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Amorphous Steel: Three Times Stronger and Non-magnetic

Thứ tư, 16 Tháng năm 2007

Scientists at the University of Virginia have announced the discovery of a non-magnetic amorphous material that is three times stronger than conventional steel and has superior anti-corrosion properties. A future variation of the new material, called DARVA-Glass 101, could be used for making ship hulls, lighter automobiles, tall buildings, corrosion-resistant coatings, surgical instruments and recreational equipment. The scientists say commercial use of the material could be available within three to five years.

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New Computational Method Developed By CMU Physicist Could Speed Design and Testing of Metallic Glass

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Thứ năm, 19 Tháng tư 2007

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Physical properties of glass

Thứ hai, 16 Tháng tư 2007

Crystalline materials have a definite structure, whereas amorphous ones do not, and therefore only rather general statements can be made about a material which, when hot, is ductile but when cold is brittle, and fractures if there is a sudden change of temperature.
The thermal history of glass is of particular importance, because glass that has been cooled quickly retains an imprint or ‘memory’ of its state at the moment before it was cooled.