News and Views
Nature Materials 2, 7 - 8 (2003)
doi:10.1038/nmat797
Nanocrystalline materials: Controlling plastic instability
En Ma1
- En Ma is at the Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, Maryland 21218, USA. e-mail: ema@jhu.edu
Abstract
Nanocrystalline alloys with grain sizes less than 100 nanometres are very strong, but tend to fail rapidly during plastic deformation. A new composite alloy with an unusual microstructure is able to achieve high plasticity by controlling the instabilities responsible for early failure.
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