Superplastic extensibility of nanocrystalline copper at room temperature

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	Superplastic extensibility of nanocrystalline copper at room temperature
	L. Lu ; M. L. Sui ; K. Lu
刊名	Science
	2000
卷号	287 期号:5457 页码:1463-1466
关键词	behavior creep
ISSN号	0036-8075
中文摘要	A bulk nanocrystalline (nc) pure copper with high purity and high density was synthesized by electrodeposition, An extreme extensibility (elongation exceeds 5000%) without a strain hardening effect was observed when the ne copper specimen was rolled at room temperature. Microstructure analysis suggests that the superplastic extensibility of the ne copper originates from a deformation mechanism dominated by grain boundary activities rather than Lattice dislocation, which is also supported by tensile creep studies at room temperature. This behavior demonstrates new possibilities for scientific and technological advancements with ne materials.
原文出处	://WOS:000085531600043
公开日期	2012-04-14
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/37118]
专题	金属研究所_中国科学院金属研究所
推荐引用方式 GB/T 7714	L. Lu,M. L. Sui,K. Lu. Superplastic extensibility of nanocrystalline copper at room temperature[J]. Science,2000,287(5457):1463-1466.
APA	L. Lu,M. L. Sui,&K. Lu.(2000).Superplastic extensibility of nanocrystalline copper at room temperature.Science,287(5457),1463-1466.
MLA	L. Lu,et al."Superplastic extensibility of nanocrystalline copper at room temperature".Science 287.5457(2000):1463-1466.