New graphene material is paper-thin 10 x stronger than steel

GarethW · Apr 22, 2011

UTS Scientists have reported remarkable results in developing a composite material based on graphite that is a thin as paper and ten times stronger than steel.

In work recently published in the Journal of Applied Physics, a UTS research team supervised by Professor Guoxiu Wang has developed reproducible test results and nanostructural samples of graphene paper, a material with the potential to revolutionise the automotive, aviation, electrical and optical industries.

Graphene paper (GP) is a material that can be processed, reshaped and reformed from its original raw material state - graphite. Researchers at UTS have successfully milled the raw graphite by purifying and filtering it with chemicals to reshape and reform it into nano-structured configurations which are then processed into sheets as thin as paper......

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Amazing stuff!

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xmechanic · Apr 23, 2011

Re: New graphene material is paper-thin 10 x stronger than s

Cool, I might be able to use that

GarethW · Apr 23, 2011

Re: New graphene material is paper-thin 10 x stronger than s

More info folks:

Here's the press release from the Univerity of Technology, Sydney.
http://newsroom.uts.edu.au/news/2011/04/a-breakthrough-on-paper-thats-stronger-than-steel

Here's a link to a scientific paper on the material by its originators:
http://jap.aip.org/resource/1/japiau/v109/i1/p014306_s1?isAuthorized=no

The paper costs US$28. Here's the abstract of the paper:

Graphene paper (GP) has been prepared by flow-directed assembly of graphene nanosheets. The mechanical properties of as-prepared GPs were investigated by tensile, indentation, and bending tests. Heat treated GPs demonstrate superior hardness, ten times that of synthetic graphite, and two times that of carbon steel; besides, their yielding strength is significantly higher than that of carbon steel. GPs show extremely high modulus of elasticity during bending test; in the range of a few terapascal. The high strength and stiffness of GP is ascribed to the interlocking-tile microstructure of individual graphene nanosheets in the paper. These outstanding mechanical properties of GPs could lead to a wide range of engineering applications.
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New graphene material is paper-thin 10 x stronger than steel

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