According to the report of the American Physicist Organization Network on April 21st, scientists at the University of Technology, Sydney, Australia, announced that they have developed a graphene composite material with a thickness equal to that of paper and a higher strength than steel. This kind of nanostructured graphite The retest test results of the olefin material are good, and it is expected that revolutionary changes will be triggered in the fields of automobile manufacturing, aerospace industry, electronics and optics. Related papers were published in the latest issue of Applied Physics.
The team led by Professor Wang Xiuxi of the University of Technology, Sydney, purified and filtered the graphite by synthesis and thermal processing to produce thin sheets of paper. This graphene paper (GP) microscopically presents a single hexagonal carbon lattice structure with unique thermal, electrical and mechanical properties. Comparison experiments show that compared with ordinary steel, graphene paper is 6 times lighter in weight, 5-6 times smaller in density, 2 times larger in strength, 10 times larger in tensile strength, and 13 times larger in bending rigidity.
Ali Lisa Randy Bartok, who is in charge of the study, said that no one has produced graphene paper with such properties in a similar way. This material is not only lighter, stronger and more Flexible, but also recyclable and recyclable, it is an environmentally friendly product that is expected to find its first application in the automotive and aerospace industries. Compared with traditional steel and aluminum, cars and airplanes made of new materials will not only be more fuel efficient, but also produce less emissions, and at the same time, their operating costs will be even lower.
It is understood that many aircraft and automobile manufacturers have begun to replace metal materials with carbon fiber materials. Airbus A350 carbon fiber composites account for 40% of the total weight; the Boeing 787 uses more than 50% carbon fiber composite materials on the wings and fuselage. Passenger aircraft using this material has low fuel consumption, significant emission reduction effects, and easy maintenance. It can save airlines money on fuel and maintenance costs, and it has immediately attracted the attention of countries around the world. The Mercedes-Benz SLR McLaren sports car, nicknamed "F1 on the road," also uses high-strength carbon composite materials, with a top speed of 334 km/h and an acceleration of only 3.8 seconds within 100 km. Compared to carbon fiber composites, the performance of graphene paper is undoubtedly even better.
Randy Bartok said that more and more metal materials have been replaced by carbon-based materials in the past 10 years. In Australia, for example, the use of carbon-based materials is becoming increasingly widespread in its mining, materials processing, and manufacturing industries. Australia is rich in graphite resources, which facilitates the large-scale production and development of graphene materials.
The team led by Professor Wang Xiuxi of the University of Technology, Sydney, purified and filtered the graphite by synthesis and thermal processing to produce thin sheets of paper. This graphene paper (GP) microscopically presents a single hexagonal carbon lattice structure with unique thermal, electrical and mechanical properties. Comparison experiments show that compared with ordinary steel, graphene paper is 6 times lighter in weight, 5-6 times smaller in density, 2 times larger in strength, 10 times larger in tensile strength, and 13 times larger in bending rigidity.
Ali Lisa Randy Bartok, who is in charge of the study, said that no one has produced graphene paper with such properties in a similar way. This material is not only lighter, stronger and more Flexible, but also recyclable and recyclable, it is an environmentally friendly product that is expected to find its first application in the automotive and aerospace industries. Compared with traditional steel and aluminum, cars and airplanes made of new materials will not only be more fuel efficient, but also produce less emissions, and at the same time, their operating costs will be even lower.
It is understood that many aircraft and automobile manufacturers have begun to replace metal materials with carbon fiber materials. Airbus A350 carbon fiber composites account for 40% of the total weight; the Boeing 787 uses more than 50% carbon fiber composite materials on the wings and fuselage. Passenger aircraft using this material has low fuel consumption, significant emission reduction effects, and easy maintenance. It can save airlines money on fuel and maintenance costs, and it has immediately attracted the attention of countries around the world. The Mercedes-Benz SLR McLaren sports car, nicknamed "F1 on the road," also uses high-strength carbon composite materials, with a top speed of 334 km/h and an acceleration of only 3.8 seconds within 100 km. Compared to carbon fiber composites, the performance of graphene paper is undoubtedly even better.
Randy Bartok said that more and more metal materials have been replaced by carbon-based materials in the past 10 years. In Australia, for example, the use of carbon-based materials is becoming increasingly widespread in its mining, materials processing, and manufacturing industries. Australia is rich in graphite resources, which facilitates the large-scale production and development of graphene materials.
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