期刊
SCRIPTA MATERIALIA
卷 63, 期 1, 页码 136-139出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2010.03.034
关键词
Superplasticity; Nanocrystalline; Nickel Electrodeposition
类别
资金
- Department of Science and Technology (DST), India
Superplastic materials exhibit very large elongations to failure, typically >500%, and this enables commercial forming of complex shaped components at slow strain rates of similar to 10(-4) s(-1). We report extraordinary record superplastic elongations to failure of up to 5300% at both high strain rates and low temperature in electrodeposited nanocrystalline Ni and some Ni alloys. Superplasticity is not related to the presence of sulfur or a low melting phase at grain boundaries. (C) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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