Patent
US 10,781,142METHOD OF FORMING GRAPHENE/METAL-OXIDE HYBRID REINFORCED COMPOSITES AND PRODUCT THEREOF
LI, Xiaodong, ZHANG, Yunya
UNIVERSITY OF VIRGINIA PATENT FOUNDATION·23 February 2017·US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
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US 10,781,142Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1(A) shows a flow chart of the process for forming graphene/metal- oxide hybrid reinforced composites in accordance with one embodiment of the present invention.
Figure 2 shows atomic force microscopy (AFM) and transmission electron microscopy (TEM) images of graphene oxide (GO) flakes produced by Hummers method in accordance with one embodiment of the present invention. a, Height profile of GO sheets dispersed on highly oriented pyrolytic graphite (HOPG). …
Figure 3 shows the combination of aluminum flakes and reduced GO in accordance with one embodiment of the present invention. a, Scanning electron microscopy (SEM) image of Al flake after stirring with GO and heating at 550 ° C. b, Corresponding backscattered electron image c, Energy-dispersive X-ray …
Figure 4 shows a schematic diagram of the formation of Al/A 1 2 0 3/defective graphene/A 2 0 3/Al multi-layered structure.
Figure 5 shows microstructure and fracture surfaces of graphene/alumina hybrid reinforced aluminum composite and control groups. a, A nacre-like laminated structure of graphene/alumina hybrid reinforced aluminum composite, showing nanoscale asperities on interfaces. b, Fracture surface of pure …
Figure 6 shows AFM phase image of graphene/alumina hybrid reinforced aluminum composite, showing laminated structure.
Figure 7 shows Al/graphene composite produced by shear mix. a, A sketch of producing Al/graphene composite by shear mix method. Graphite flakes were shear mixed 10 m in at 4500 rpm, and then aluminum powders were added gradually to get Al/graphene powders. b, High resolution TEM (H RTEM) and SA ED …
Figure 8 shows SEM image and EDS maps of polished transverse section of graphene/alumina hybrid reinforced aluminum composite. a, Backscattered electron image. b, Corresponding EDS oxygen map. c, EDS carbon map.
Figure 9 shows dark field TEM image of the graphene/alumina hybrid reinforced aluminum composite. a, Bright field image. b, Dark field image, brighter parts are alumina nanoparticles.
Figure 10 shows SEM images and EDS maps of a peeled graphene/alumina hybrid reinforced aluminum composite layer. a, SEM image of the sample, showing nano asperities with round and rod-like morphologies. Pins indicate locations where point EDS analyses were carried out. b, Oxygen map and the range …
Figure 11 shows scanning TEM (STEM) and atomic resolution EDS maps of the graphene/alumina hybrid reinforced aluminum composite. a, STEM image of graphene/alumina hybrid reinforced aluminum composite. b, Corresponding EDS map of (a), indicating that the interfaces were rich in oxygen and carbon. c, …
Figure 12 shows fast Fourier transform (FFT) patterns of H RTEM images in Figure l1c. a, Aluminum matrix. b, A 1 2 0 3 nano asperities. c, Multilayered; raphene
Figure 13 shows mechanical properties of graphene/alumina hybrid einforced aluminum composite, Al/graphene mix, Al semi powder metallurgy, pure luminum samples, and Al/graphene composite by shear mix samples. a, Comparative tensile test curves. b, Comparative bar chart of hardness, tensile …
Figure 14 shows nano indentation of graphene/alumina hybrid reinforced luminum composite. a, The total depth-reduced modulus plot, showing an ordered oscillation of modulus. b, Schematic diagram of the nano indentation process.
Figure 15 shows in-situ three-point bending test of a graphene/alumina hybrid reinforced aluminum composite sample in SEM. a, SEM images of the crack under various degrees of deformations. (Yellow arrows indicate the status of bending and white arrows indicate the primary crack propagation …
Figure 16 shows graphene/alumina hybrid reinforced aluminum composite sample after high temperature heating. a, A piece of graphene/alumina hybrid reinforced composite was able to maintain the shape after heating at 750 ° C, while a piece of pure aluminum could not. b, After high temperature …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process for forming a graphene/metal-oxide hybrid reinforced composite, comprising: freeze drying a slurry comprising graphene oxide and flakes to form a flake-graphene oxide foam, compressing the flake-graphene oxide foam to form a flake-graphene oxide dense foam; annealing the flake-graphene oxide dense foam to form a flake-graphene dense foam; sintering the flake-graphene dense foam to form a bulk graphene/metal-oxide hybrid reinforced composite; and cold rolling the bulk graphene/metal-oxide hybrid reinforced composite to form the graphene/metal-oxide hybrid reinforced composite. Currently amended
The process for forming a graphene/metal-oxide hybrid reinforced composite according to claim 1, wherein the flakes are metal flakes. Original
The process for forming a graphene/metal-oxide hybrid reinforced composite according to claim 1, wherein the flakes are coated with a layer of polymer. Original
The process for forming a graphene/metal-oxide hybrid reinforced composite according to claim 1, wherein the slurry comprising graphene oxide and flakes is formed by a method comprising: forming a suspension comprising graphene oxide; and mixing the suspension comprising graphene oxide with flakes. Original
The graphene/metal-oxide hybrid reinforced composite according to claim 1 8, wherein the metal oxide nanoparticles are present at the interfaces between the metal layers and the graphene. Original
. Canceled
A process for forming a graphene/metal-oxide hybrid reinforced composite, comprising: freeze drying a slurry comprising graphene oxide and flakes to form a flake-graphene oxide foam, wherein the flakes are ceramic flakes. Currently amended
5-6.. Canceled
Canceled
8-9.. Canceled
Canceled
11-15.. Canceled
Canceled
A graphene/metal-oxide hybrid reinforced composite, comprising a) graphene; b) metal; and c) metal oxide particles, wherein the graphene is present in an amount of 0.1 to 5 percent by wei g ht based on total weight of the composite. Currently amended
The graphene/metal-oxide hybrid reinforced composite according to claim 16, wherein the metal oxide particles are metal oxide nanoparticles. Original
The graphene/metal-oxide hybrid reinforced composite according to claim 16, wherein the metal is arranged in parallel lamellar structure to form metal layers. Original
The graphene/metal-oxide hybrid reinforced composite according to claim 16, wherein the metal is selected from the group consisting of Al, Mg, Ti, Cu, Zn, Ni, Fe, Co and combination thereof. Original
The graphene/metal-oxide hybrid reinforced composite according to claim 16, wherein the metal is aluminum. Original
The graphene/metal-oxide hybrid reinforced composite according to claim 16, wherein the graphene/metal-oxide hybrid reinforced composite has a mechanical strength of 240 to 1550 MPa and a toughness of 4500 to 12000 KJ/m 3. Original
A graphene/metal-oxide hybrid reinforced composite, comprising: a) graphene; b) metal; and c) metal oxide particles;, wherein the metal oxide particles are metal oxide nanoparticles, and wherein the metal oxide nanoparticles are A 1 203 nanoparticles. Currently amended
. Canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene/metal-oxide hybrid reinforced composite
Materials described outside the worked examples.
graphene oxide
flakes
graphene
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 2 shows atomic force microscopy (AFM) and transmission electron microscopy (TEM) images of graphene oxide (GO) flakes produced by Hummers method in accordance with one embodiment of the present invention. a, Height profile of GO sheets dispersed on highly oriented pyrolytic graphite (HOPG). …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
mechanical strength | — | graphene |
toughness | — |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,781,142Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1(A) shows a flow chart of the process for forming graphene/metal- oxide hybrid reinforced composites in accordance with one embodiment of the present invention.
Figure 2 shows atomic force microscopy (AFM) and transmission electron microscopy (TEM) images of graphene oxide (GO) flakes produced by Hummers method in accordance with one embodiment of the present invention. a, Height profile of GO sheets dispersed on highly oriented pyrolytic graphite (HOPG). …
Figure 3 shows the combination of aluminum flakes and reduced GO in accordance with one embodiment of the present invention. a, Scanning electron microscopy (SEM) image of Al flake after stirring with GO and heating at 550 ° C. b, Corresponding backscattered electron image c, Energy-dispersive X-ray …
Figure 4 shows a schematic diagram of the formation of Al/A 1 2 0 3/defective graphene/A 2 0 3/Al multi-layered structure.
Figure 5 shows microstructure and fracture surfaces of graphene/alumina hybrid reinforced aluminum composite and control groups. a, A nacre-like laminated structure of graphene/alumina hybrid reinforced aluminum composite, showing nanoscale asperities on interfaces. b, Fracture surface of pure …
Figure 6 shows AFM phase image of graphene/alumina hybrid reinforced aluminum composite, showing laminated structure.
Figure 7 shows Al/graphene composite produced by shear mix. a, A sketch of producing Al/graphene composite by shear mix method. Graphite flakes were shear mixed 10 m in at 4500 rpm, and then aluminum powders were added gradually to get Al/graphene powders. b, High resolution TEM (H RTEM) and SA ED …
Figure 8 shows SEM image and EDS maps of polished transverse section of graphene/alumina hybrid reinforced aluminum composite. a, Backscattered electron image. b, Corresponding EDS oxygen map. c, EDS carbon map.
Figure 9 shows dark field TEM image of the graphene/alumina hybrid reinforced aluminum composite. a, Bright field image. b, Dark field image, brighter parts are alumina nanoparticles.
Figure 10 shows SEM images and EDS maps of a peeled graphene/alumina hybrid reinforced aluminum composite layer. a, SEM image of the sample, showing nano asperities with round and rod-like morphologies. Pins indicate locations where point EDS analyses were carried out. b, Oxygen map and the range …
Figure 11 shows scanning TEM (STEM) and atomic resolution EDS maps of the graphene/alumina hybrid reinforced aluminum composite. a, STEM image of graphene/alumina hybrid reinforced aluminum composite. b, Corresponding EDS map of (a), indicating that the interfaces were rich in oxygen and carbon. c, …
Figure 12 shows fast Fourier transform (FFT) patterns of H RTEM images in Figure l1c. a, Aluminum matrix. b, A 1 2 0 3 nano asperities. c, Multilayered; raphene
Figure 13 shows mechanical properties of graphene/alumina hybrid einforced aluminum composite, Al/graphene mix, Al semi powder metallurgy, pure luminum samples, and Al/graphene composite by shear mix samples. a, Comparative tensile test curves. b, Comparative bar chart of hardness, tensile …
Figure 14 shows nano indentation of graphene/alumina hybrid reinforced luminum composite. a, The total depth-reduced modulus plot, showing an ordered oscillation of modulus. b, Schematic diagram of the nano indentation process.
Figure 15 shows in-situ three-point bending test of a graphene/alumina hybrid reinforced aluminum composite sample in SEM. a, SEM images of the crack under various degrees of deformations. (Yellow arrows indicate the status of bending and white arrows indicate the primary crack propagation …
Figure 16 shows graphene/alumina hybrid reinforced aluminum composite sample after high temperature heating. a, A piece of graphene/alumina hybrid reinforced composite was able to maintain the shape after heating at 750 ° C, while a piece of pure aluminum could not. b, After high temperature …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process for forming a graphene/metal-oxide hybrid reinforced composite, comprising: freeze drying a slurry comprising graphene oxide and flakes to form a flake-graphene oxide foam, compressing the flake-graphene oxide foam to form a flake-graphene oxide dense foam; annealing the flake-graphene oxide dense foam to form a flake-graphene dense foam; sintering the flake-graphene dense foam to form a bulk graphene/metal-oxide hybrid reinforced composite; and cold rolling the bulk graphene/metal-oxide hybrid reinforced composite to form the graphene/metal-oxide hybrid reinforced composite. Currently amended
The process for forming a graphene/metal-oxide hybrid reinforced composite according to claim 1, wherein the flakes are metal flakes. Original
The process for forming a graphene/metal-oxide hybrid reinforced composite according to claim 1, wherein the flakes are coated with a layer of polymer. Original
The process for forming a graphene/metal-oxide hybrid reinforced composite according to claim 1, wherein the slurry comprising graphene oxide and flakes is formed by a method comprising: forming a suspension comprising graphene oxide; and mixing the suspension comprising graphene oxide with flakes. Original
The graphene/metal-oxide hybrid reinforced composite according to claim 1 8, wherein the metal oxide nanoparticles are present at the interfaces between the metal layers and the graphene. Original
. Canceled
A process for forming a graphene/metal-oxide hybrid reinforced composite, comprising: freeze drying a slurry comprising graphene oxide and flakes to form a flake-graphene oxide foam, wherein the flakes are ceramic flakes. Currently amended
5-6.. Canceled
Canceled
8-9.. Canceled
Canceled
11-15.. Canceled
Canceled
A graphene/metal-oxide hybrid reinforced composite, comprising a) graphene; b) metal; and c) metal oxide particles, wherein the graphene is present in an amount of 0.1 to 5 percent by wei g ht based on total weight of the composite. Currently amended
The graphene/metal-oxide hybrid reinforced composite according to claim 16, wherein the metal oxide particles are metal oxide nanoparticles. Original
The graphene/metal-oxide hybrid reinforced composite according to claim 16, wherein the metal is arranged in parallel lamellar structure to form metal layers. Original
The graphene/metal-oxide hybrid reinforced composite according to claim 16, wherein the metal is selected from the group consisting of Al, Mg, Ti, Cu, Zn, Ni, Fe, Co and combination thereof. Original
The graphene/metal-oxide hybrid reinforced composite according to claim 16, wherein the metal is aluminum. Original
The graphene/metal-oxide hybrid reinforced composite according to claim 16, wherein the graphene/metal-oxide hybrid reinforced composite has a mechanical strength of 240 to 1550 MPa and a toughness of 4500 to 12000 KJ/m 3. Original
A graphene/metal-oxide hybrid reinforced composite, comprising: a) graphene; b) metal; and c) metal oxide particles;, wherein the metal oxide particles are metal oxide nanoparticles, and wherein the metal oxide nanoparticles are A 1 203 nanoparticles. Currently amended
. Canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene/metal-oxide hybrid reinforced composite
Materials described outside the worked examples.
graphene oxide
flakes
graphene
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 2 shows atomic force microscopy (AFM) and transmission electron microscopy (TEM) images of graphene oxide (GO) flakes produced by Hummers method in accordance with one embodiment of the present invention. a, Height profile of GO sheets dispersed on highly oriented pyrolytic graphite (HOPG). …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
mechanical strength | — | graphene |
toughness | — |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,781,142Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1(A) shows a flow chart of the process for forming graphene/metal- oxide hybrid reinforced composites in accordance with one embodiment of the present invention.
Figure 2 shows atomic force microscopy (AFM) and transmission electron microscopy (TEM) images of graphene oxide (GO) flakes produced by Hummers method in accordance with one embodiment of the present invention. a, Height profile of GO sheets dispersed on highly oriented pyrolytic graphite (HOPG). …
Figure 3 shows the combination of aluminum flakes and reduced GO in accordance with one embodiment of the present invention. a, Scanning electron microscopy (SEM) image of Al flake after stirring with GO and heating at 550 ° C. b, Corresponding backscattered electron image c, Energy-dispersive X-ray …
Figure 4 shows a schematic diagram of the formation of Al/A 1 2 0 3/defective graphene/A 2 0 3/Al multi-layered structure.
Figure 5 shows microstructure and fracture surfaces of graphene/alumina hybrid reinforced aluminum composite and control groups. a, A nacre-like laminated structure of graphene/alumina hybrid reinforced aluminum composite, showing nanoscale asperities on interfaces. b, Fracture surface of pure …
Figure 6 shows AFM phase image of graphene/alumina hybrid reinforced aluminum composite, showing laminated structure.
Figure 7 shows Al/graphene composite produced by shear mix. a, A sketch of producing Al/graphene composite by shear mix method. Graphite flakes were shear mixed 10 m in at 4500 rpm, and then aluminum powders were added gradually to get Al/graphene powders. b, High resolution TEM (H RTEM) and SA ED …
Figure 8 shows SEM image and EDS maps of polished transverse section of graphene/alumina hybrid reinforced aluminum composite. a, Backscattered electron image. b, Corresponding EDS oxygen map. c, EDS carbon map.
Figure 9 shows dark field TEM image of the graphene/alumina hybrid reinforced aluminum composite. a, Bright field image. b, Dark field image, brighter parts are alumina nanoparticles.
Figure 10 shows SEM images and EDS maps of a peeled graphene/alumina hybrid reinforced aluminum composite layer. a, SEM image of the sample, showing nano asperities with round and rod-like morphologies. Pins indicate locations where point EDS analyses were carried out. b, Oxygen map and the range …
Figure 11 shows scanning TEM (STEM) and atomic resolution EDS maps of the graphene/alumina hybrid reinforced aluminum composite. a, STEM image of graphene/alumina hybrid reinforced aluminum composite. b, Corresponding EDS map of (a), indicating that the interfaces were rich in oxygen and carbon. c, …
Figure 12 shows fast Fourier transform (FFT) patterns of H RTEM images in Figure l1c. a, Aluminum matrix. b, A 1 2 0 3 nano asperities. c, Multilayered; raphene
Figure 13 shows mechanical properties of graphene/alumina hybrid einforced aluminum composite, Al/graphene mix, Al semi powder metallurgy, pure luminum samples, and Al/graphene composite by shear mix samples. a, Comparative tensile test curves. b, Comparative bar chart of hardness, tensile …
Figure 14 shows nano indentation of graphene/alumina hybrid reinforced luminum composite. a, The total depth-reduced modulus plot, showing an ordered oscillation of modulus. b, Schematic diagram of the nano indentation process.
Figure 15 shows in-situ three-point bending test of a graphene/alumina hybrid reinforced aluminum composite sample in SEM. a, SEM images of the crack under various degrees of deformations. (Yellow arrows indicate the status of bending and white arrows indicate the primary crack propagation …
Figure 16 shows graphene/alumina hybrid reinforced aluminum composite sample after high temperature heating. a, A piece of graphene/alumina hybrid reinforced composite was able to maintain the shape after heating at 750 ° C, while a piece of pure aluminum could not. b, After high temperature …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process for forming a graphene/metal-oxide hybrid reinforced composite, comprising: freeze drying a slurry comprising graphene oxide and flakes to form a flake-graphene oxide foam, compressing the flake-graphene oxide foam to form a flake-graphene oxide dense foam; annealing the flake-graphene oxide dense foam to form a flake-graphene dense foam; sintering the flake-graphene dense foam to form a bulk graphene/metal-oxide hybrid reinforced composite; and cold rolling the bulk graphene/metal-oxide hybrid reinforced composite to form the graphene/metal-oxide hybrid reinforced composite. Currently amended
The process for forming a graphene/metal-oxide hybrid reinforced composite according to claim 1, wherein the flakes are metal flakes. Original
The process for forming a graphene/metal-oxide hybrid reinforced composite according to claim 1, wherein the flakes are coated with a layer of polymer. Original
The process for forming a graphene/metal-oxide hybrid reinforced composite according to claim 1, wherein the slurry comprising graphene oxide and flakes is formed by a method comprising: forming a suspension comprising graphene oxide; and mixing the suspension comprising graphene oxide with flakes. Original
The graphene/metal-oxide hybrid reinforced composite according to claim 1 8, wherein the metal oxide nanoparticles are present at the interfaces between the metal layers and the graphene. Original
. Canceled
A process for forming a graphene/metal-oxide hybrid reinforced composite, comprising: freeze drying a slurry comprising graphene oxide and flakes to form a flake-graphene oxide foam, wherein the flakes are ceramic flakes. Currently amended
5-6.. Canceled
Canceled
8-9.. Canceled
Canceled
11-15.. Canceled
Canceled
A graphene/metal-oxide hybrid reinforced composite, comprising a) graphene; b) metal; and c) metal oxide particles, wherein the graphene is present in an amount of 0.1 to 5 percent by wei g ht based on total weight of the composite. Currently amended
The graphene/metal-oxide hybrid reinforced composite according to claim 16, wherein the metal oxide particles are metal oxide nanoparticles. Original
The graphene/metal-oxide hybrid reinforced composite according to claim 16, wherein the metal is arranged in parallel lamellar structure to form metal layers. Original
The graphene/metal-oxide hybrid reinforced composite according to claim 16, wherein the metal is selected from the group consisting of Al, Mg, Ti, Cu, Zn, Ni, Fe, Co and combination thereof. Original
The graphene/metal-oxide hybrid reinforced composite according to claim 16, wherein the metal is aluminum. Original
The graphene/metal-oxide hybrid reinforced composite according to claim 16, wherein the graphene/metal-oxide hybrid reinforced composite has a mechanical strength of 240 to 1550 MPa and a toughness of 4500 to 12000 KJ/m 3. Original
A graphene/metal-oxide hybrid reinforced composite, comprising: a) graphene; b) metal; and c) metal oxide particles;, wherein the metal oxide particles are metal oxide nanoparticles, and wherein the metal oxide nanoparticles are A 1 203 nanoparticles. Currently amended
. Canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene/metal-oxide hybrid reinforced composite
Materials described outside the worked examples.
graphene oxide
flakes
graphene
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 2 shows atomic force microscopy (AFM) and transmission electron microscopy (TEM) images of graphene oxide (GO) flakes produced by Hummers method in accordance with one embodiment of the present invention. a, Height profile of GO sheets dispersed on highly oriented pyrolytic graphite (HOPG). …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
mechanical strength | — | graphene |
toughness | — |
Related documents with shared materials, methods, properties, or citations.
Patent
Atlas literature
Patent
US 10,781,142Patent drawings and their descriptions. Click a drawing to enlarge it.
Figure 1(A) shows a flow chart of the process for forming graphene/metal- oxide hybrid reinforced composites in accordance with one embodiment of the present invention.
Figure 2 shows atomic force microscopy (AFM) and transmission electron microscopy (TEM) images of graphene oxide (GO) flakes produced by Hummers method in accordance with one embodiment of the present invention. a, Height profile of GO sheets dispersed on highly oriented pyrolytic graphite (HOPG). …
Figure 3 shows the combination of aluminum flakes and reduced GO in accordance with one embodiment of the present invention. a, Scanning electron microscopy (SEM) image of Al flake after stirring with GO and heating at 550 ° C. b, Corresponding backscattered electron image c, Energy-dispersive X-ray …
Figure 4 shows a schematic diagram of the formation of Al/A 1 2 0 3/defective graphene/A 2 0 3/Al multi-layered structure.
Figure 5 shows microstructure and fracture surfaces of graphene/alumina hybrid reinforced aluminum composite and control groups. a, A nacre-like laminated structure of graphene/alumina hybrid reinforced aluminum composite, showing nanoscale asperities on interfaces. b, Fracture surface of pure …
Figure 6 shows AFM phase image of graphene/alumina hybrid reinforced aluminum composite, showing laminated structure.
Figure 7 shows Al/graphene composite produced by shear mix. a, A sketch of producing Al/graphene composite by shear mix method. Graphite flakes were shear mixed 10 m in at 4500 rpm, and then aluminum powders were added gradually to get Al/graphene powders. b, High resolution TEM (H RTEM) and SA ED …
Figure 8 shows SEM image and EDS maps of polished transverse section of graphene/alumina hybrid reinforced aluminum composite. a, Backscattered electron image. b, Corresponding EDS oxygen map. c, EDS carbon map.
Figure 9 shows dark field TEM image of the graphene/alumina hybrid reinforced aluminum composite. a, Bright field image. b, Dark field image, brighter parts are alumina nanoparticles.
Figure 10 shows SEM images and EDS maps of a peeled graphene/alumina hybrid reinforced aluminum composite layer. a, SEM image of the sample, showing nano asperities with round and rod-like morphologies. Pins indicate locations where point EDS analyses were carried out. b, Oxygen map and the range …
Figure 11 shows scanning TEM (STEM) and atomic resolution EDS maps of the graphene/alumina hybrid reinforced aluminum composite. a, STEM image of graphene/alumina hybrid reinforced aluminum composite. b, Corresponding EDS map of (a), indicating that the interfaces were rich in oxygen and carbon. c, …
Figure 12 shows fast Fourier transform (FFT) patterns of H RTEM images in Figure l1c. a, Aluminum matrix. b, A 1 2 0 3 nano asperities. c, Multilayered; raphene
Figure 13 shows mechanical properties of graphene/alumina hybrid einforced aluminum composite, Al/graphene mix, Al semi powder metallurgy, pure luminum samples, and Al/graphene composite by shear mix samples. a, Comparative tensile test curves. b, Comparative bar chart of hardness, tensile …
Figure 14 shows nano indentation of graphene/alumina hybrid reinforced luminum composite. a, The total depth-reduced modulus plot, showing an ordered oscillation of modulus. b, Schematic diagram of the nano indentation process.
Figure 15 shows in-situ three-point bending test of a graphene/alumina hybrid reinforced aluminum composite sample in SEM. a, SEM images of the crack under various degrees of deformations. (Yellow arrows indicate the status of bending and white arrows indicate the primary crack propagation …
Figure 16 shows graphene/alumina hybrid reinforced aluminum composite sample after high temperature heating. a, A piece of graphene/alumina hybrid reinforced composite was able to maintain the shape after heating at 750 ° C, while a piece of pure aluminum could not. b, After high temperature …
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process for forming a graphene/metal-oxide hybrid reinforced composite, comprising: freeze drying a slurry comprising graphene oxide and flakes to form a flake-graphene oxide foam, compressing the flake-graphene oxide foam to form a flake-graphene oxide dense foam; annealing the flake-graphene oxide dense foam to form a flake-graphene dense foam; sintering the flake-graphene dense foam to form a bulk graphene/metal-oxide hybrid reinforced composite; and cold rolling the bulk graphene/metal-oxide hybrid reinforced composite to form the graphene/metal-oxide hybrid reinforced composite. Currently amended
The process for forming a graphene/metal-oxide hybrid reinforced composite according to claim 1, wherein the flakes are metal flakes. Original
The process for forming a graphene/metal-oxide hybrid reinforced composite according to claim 1, wherein the flakes are coated with a layer of polymer. Original
The process for forming a graphene/metal-oxide hybrid reinforced composite according to claim 1, wherein the slurry comprising graphene oxide and flakes is formed by a method comprising: forming a suspension comprising graphene oxide; and mixing the suspension comprising graphene oxide with flakes. Original
The graphene/metal-oxide hybrid reinforced composite according to claim 1 8, wherein the metal oxide nanoparticles are present at the interfaces between the metal layers and the graphene. Original
. Canceled
A process for forming a graphene/metal-oxide hybrid reinforced composite, comprising: freeze drying a slurry comprising graphene oxide and flakes to form a flake-graphene oxide foam, wherein the flakes are ceramic flakes. Currently amended
5-6.. Canceled
Canceled
8-9.. Canceled
Canceled
11-15.. Canceled
Canceled
A graphene/metal-oxide hybrid reinforced composite, comprising a) graphene; b) metal; and c) metal oxide particles, wherein the graphene is present in an amount of 0.1 to 5 percent by wei g ht based on total weight of the composite. Currently amended
The graphene/metal-oxide hybrid reinforced composite according to claim 16, wherein the metal oxide particles are metal oxide nanoparticles. Original
The graphene/metal-oxide hybrid reinforced composite according to claim 16, wherein the metal is arranged in parallel lamellar structure to form metal layers. Original
The graphene/metal-oxide hybrid reinforced composite according to claim 16, wherein the metal is selected from the group consisting of Al, Mg, Ti, Cu, Zn, Ni, Fe, Co and combination thereof. Original
The graphene/metal-oxide hybrid reinforced composite according to claim 16, wherein the metal is aluminum. Original
The graphene/metal-oxide hybrid reinforced composite according to claim 16, wherein the graphene/metal-oxide hybrid reinforced composite has a mechanical strength of 240 to 1550 MPa and a toughness of 4500 to 12000 KJ/m 3. Original
A graphene/metal-oxide hybrid reinforced composite, comprising: a) graphene; b) metal; and c) metal oxide particles;, wherein the metal oxide particles are metal oxide nanoparticles, and wherein the metal oxide nanoparticles are A 1 203 nanoparticles. Currently amended
. Canceled
Layer stacks claimed or described, ordered top of device to substrate.
graphene/metal-oxide hybrid reinforced composite
Materials described outside the worked examples.
graphene oxide
flakes
graphene
Additional fabrication and treatment steps described in the patent.
Measurements and analyses referenced in the patent, with their drawing references.
Figure 2 shows atomic force microscopy (AFM) and transmission electron microscopy (TEM) images of graphene oxide (GO) flakes produced by Hummers method in accordance with one embodiment of the present invention. a, Height profile of GO sheets dispersed on highly oriented pyrolytic graphite (HOPG). …
Performance values and ranges asserted in the specification or claims.
| Property | Value | Material |
|---|---|---|
mechanical strength | — | graphene |
toughness | — |
Related documents with shared materials, methods, properties, or citations.
metal flakes
ceramic flakes
polymer
metal
metal oxide particles
metal oxide nanoparticles
aluminum
Al
Al₂O₃ nanoparticles
Al₂O₃
PVA
Figure 2 shows atomic force microscopy (AFM) and transmission electron microscopy (TEM) images of graphene oxide (GO) flakes produced by Hummers method in accordance with one embodiment of the present invention. a, Height profile of GO sheets dispersed on highly oriented pyrolytic graphite (HOPG). …
Figure 3 shows the combination of aluminum flakes and reduced GO in accordance with one embodiment of the present invention. a, Scanning electron microscopy (SEM) image of Al flake after stirring with GO and heating at 550 ° C. b, Corresponding backscattered electron image c, Energy-dispersive X-ray …
Figure 6 shows AFM phase image of graphene/alumina hybrid reinforced aluminum composite, showing laminated structure.
Figure 7 shows Al/graphene composite produced by shear mix. a, A sketch of producing Al/graphene composite by shear mix method. Graphite flakes were shear mixed 10 m in at 4500 rpm, and then aluminum powders were added gradually to get Al/graphene powders. b, High resolution TEM (H RTEM) and SA ED …
Figure 8 shows SEM image and EDS maps of polished transverse section of graphene/alumina hybrid reinforced aluminum composite. a, Backscattered electron image. b, Corresponding EDS oxygen map. c, EDS carbon map.
Figure 9 shows dark field TEM image of the graphene/alumina hybrid reinforced aluminum composite. a, Bright field image. b, Dark field image, brighter parts are alumina nanoparticles.
Figure 10 shows SEM images and EDS maps of a peeled graphene/alumina hybrid reinforced aluminum composite layer. a, SEM image of the sample, showing nano asperities with round and rod-like morphologies. Pins indicate locations where point EDS analyses were carried out. b, Oxygen map and the range …
Figure 11 shows scanning TEM (STEM) and atomic resolution EDS maps of the graphene/alumina hybrid reinforced aluminum composite. a, STEM image of graphene/alumina hybrid reinforced aluminum composite. b, Corresponding EDS map of (a), indicating that the interfaces were rich in oxygen and carbon. c, …
Figure 15 shows in-situ three-point bending test of a graphene/alumina hybrid reinforced aluminum composite sample in SEM. a, SEM images of the crack under various degrees of deformations. (Yellow arrows indicate the status of bending and white arrows indicate the primary crack propagation …
Pressure | 303–332 MPa | — |
Thickness | 5–13 nm | — |
Thickness | 1–100 nm | — |
Temperature | 500–600 °C | — |
Temperature | 630–660 °C | — |
Thickness | 50–300 nm | — |
Pressure | 297–332 MPa | — |
Pressure | 300–320 MPa | — |
Duration | ≥ 12 hours | — |
Pressure | 240–1550 MPa | — |
metal flakes
ceramic flakes
polymer
metal
metal oxide particles
metal oxide nanoparticles
aluminum
Al
Al₂O₃ nanoparticles
Al₂O₃
PVA
Figure 2 shows atomic force microscopy (AFM) and transmission electron microscopy (TEM) images of graphene oxide (GO) flakes produced by Hummers method in accordance with one embodiment of the present invention. a, Height profile of GO sheets dispersed on highly oriented pyrolytic graphite (HOPG). …
Figure 3 shows the combination of aluminum flakes and reduced GO in accordance with one embodiment of the present invention. a, Scanning electron microscopy (SEM) image of Al flake after stirring with GO and heating at 550 ° C. b, Corresponding backscattered electron image c, Energy-dispersive X-ray …
Figure 6 shows AFM phase image of graphene/alumina hybrid reinforced aluminum composite, showing laminated structure.
Figure 7 shows Al/graphene composite produced by shear mix. a, A sketch of producing Al/graphene composite by shear mix method. Graphite flakes were shear mixed 10 m in at 4500 rpm, and then aluminum powders were added gradually to get Al/graphene powders. b, High resolution TEM (H RTEM) and SA ED …
Figure 8 shows SEM image and EDS maps of polished transverse section of graphene/alumina hybrid reinforced aluminum composite. a, Backscattered electron image. b, Corresponding EDS oxygen map. c, EDS carbon map.
Figure 9 shows dark field TEM image of the graphene/alumina hybrid reinforced aluminum composite. a, Bright field image. b, Dark field image, brighter parts are alumina nanoparticles.
Figure 10 shows SEM images and EDS maps of a peeled graphene/alumina hybrid reinforced aluminum composite layer. a, SEM image of the sample, showing nano asperities with round and rod-like morphologies. Pins indicate locations where point EDS analyses were carried out. b, Oxygen map and the range …
Figure 11 shows scanning TEM (STEM) and atomic resolution EDS maps of the graphene/alumina hybrid reinforced aluminum composite. a, STEM image of graphene/alumina hybrid reinforced aluminum composite. b, Corresponding EDS map of (a), indicating that the interfaces were rich in oxygen and carbon. c, …
Figure 15 shows in-situ three-point bending test of a graphene/alumina hybrid reinforced aluminum composite sample in SEM. a, SEM images of the crack under various degrees of deformations. (Yellow arrows indicate the status of bending and white arrows indicate the primary crack propagation …
Pressure | 303–332 MPa | — |
Thickness | 5–13 nm | — |
Thickness | 1–100 nm | — |
Temperature | 500–600 °C | — |
Temperature | 630–660 °C | — |
Thickness | 50–300 nm | — |
Pressure | 297–332 MPa | — |
Pressure | 300–320 MPa | — |
Duration | ≥ 12 hours | — |
Pressure | 240–1550 MPa | — |
metal flakes
ceramic flakes
polymer
metal
metal oxide particles
metal oxide nanoparticles
aluminum
Al
Al₂O₃ nanoparticles
Al₂O₃
PVA
Figure 2 shows atomic force microscopy (AFM) and transmission electron microscopy (TEM) images of graphene oxide (GO) flakes produced by Hummers method in accordance with one embodiment of the present invention. a, Height profile of GO sheets dispersed on highly oriented pyrolytic graphite (HOPG). …
Figure 3 shows the combination of aluminum flakes and reduced GO in accordance with one embodiment of the present invention. a, Scanning electron microscopy (SEM) image of Al flake after stirring with GO and heating at 550 ° C. b, Corresponding backscattered electron image c, Energy-dispersive X-ray …
Figure 6 shows AFM phase image of graphene/alumina hybrid reinforced aluminum composite, showing laminated structure.
Figure 7 shows Al/graphene composite produced by shear mix. a, A sketch of producing Al/graphene composite by shear mix method. Graphite flakes were shear mixed 10 m in at 4500 rpm, and then aluminum powders were added gradually to get Al/graphene powders. b, High resolution TEM (H RTEM) and SA ED …
Figure 8 shows SEM image and EDS maps of polished transverse section of graphene/alumina hybrid reinforced aluminum composite. a, Backscattered electron image. b, Corresponding EDS oxygen map. c, EDS carbon map.
Figure 9 shows dark field TEM image of the graphene/alumina hybrid reinforced aluminum composite. a, Bright field image. b, Dark field image, brighter parts are alumina nanoparticles.
Figure 10 shows SEM images and EDS maps of a peeled graphene/alumina hybrid reinforced aluminum composite layer. a, SEM image of the sample, showing nano asperities with round and rod-like morphologies. Pins indicate locations where point EDS analyses were carried out. b, Oxygen map and the range …
Figure 11 shows scanning TEM (STEM) and atomic resolution EDS maps of the graphene/alumina hybrid reinforced aluminum composite. a, STEM image of graphene/alumina hybrid reinforced aluminum composite. b, Corresponding EDS map of (a), indicating that the interfaces were rich in oxygen and carbon. c, …
Figure 15 shows in-situ three-point bending test of a graphene/alumina hybrid reinforced aluminum composite sample in SEM. a, SEM images of the crack under various degrees of deformations. (Yellow arrows indicate the status of bending and white arrows indicate the primary crack propagation …
Pressure | 303–332 MPa | — |
Thickness | 5–13 nm | — |
Thickness | 1–100 nm | — |
Temperature | 500–600 °C | — |
Temperature | 630–660 °C | — |
Thickness | 50–300 nm | — |
Pressure | 297–332 MPa | — |
Pressure | 300–320 MPa | — |
Duration | ≥ 12 hours | — |
Pressure | 240–1550 MPa | — |
metal flakes
ceramic flakes
polymer
metal
metal oxide particles
metal oxide nanoparticles
aluminum
Al
Al₂O₃ nanoparticles
Al₂O₃
PVA
Figure 2 shows atomic force microscopy (AFM) and transmission electron microscopy (TEM) images of graphene oxide (GO) flakes produced by Hummers method in accordance with one embodiment of the present invention. a, Height profile of GO sheets dispersed on highly oriented pyrolytic graphite (HOPG). …
Figure 3 shows the combination of aluminum flakes and reduced GO in accordance with one embodiment of the present invention. a, Scanning electron microscopy (SEM) image of Al flake after stirring with GO and heating at 550 ° C. b, Corresponding backscattered electron image c, Energy-dispersive X-ray …
Figure 6 shows AFM phase image of graphene/alumina hybrid reinforced aluminum composite, showing laminated structure.
Figure 7 shows Al/graphene composite produced by shear mix. a, A sketch of producing Al/graphene composite by shear mix method. Graphite flakes were shear mixed 10 m in at 4500 rpm, and then aluminum powders were added gradually to get Al/graphene powders. b, High resolution TEM (H RTEM) and SA ED …
Figure 8 shows SEM image and EDS maps of polished transverse section of graphene/alumina hybrid reinforced aluminum composite. a, Backscattered electron image. b, Corresponding EDS oxygen map. c, EDS carbon map.
Figure 9 shows dark field TEM image of the graphene/alumina hybrid reinforced aluminum composite. a, Bright field image. b, Dark field image, brighter parts are alumina nanoparticles.
Figure 10 shows SEM images and EDS maps of a peeled graphene/alumina hybrid reinforced aluminum composite layer. a, SEM image of the sample, showing nano asperities with round and rod-like morphologies. Pins indicate locations where point EDS analyses were carried out. b, Oxygen map and the range …
Figure 11 shows scanning TEM (STEM) and atomic resolution EDS maps of the graphene/alumina hybrid reinforced aluminum composite. a, STEM image of graphene/alumina hybrid reinforced aluminum composite. b, Corresponding EDS map of (a), indicating that the interfaces were rich in oxygen and carbon. c, …
Figure 15 shows in-situ three-point bending test of a graphene/alumina hybrid reinforced aluminum composite sample in SEM. a, SEM images of the crack under various degrees of deformations. (Yellow arrows indicate the status of bending and white arrows indicate the primary crack propagation …
Pressure | 303–332 MPa | — |
Thickness | 5–13 nm | — |
Thickness | 1–100 nm | — |
Temperature | 500–600 °C | — |
Temperature | 630–660 °C | — |
Thickness | 50–300 nm | — |
Pressure | 297–332 MPa | — |
Pressure | 300–320 MPa | — |
Duration | ≥ 12 hours | — |
Pressure | 240–1550 MPa | — |