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题名: Fabrication of a gradient nano-micro-structured surface layer on bulk copper by means of a surface mechanical grinding treatment
作者: W. L. Li;  N. R. Tao;  K. Lu
发表日期: 2008
摘要: By using a novel surface nanocrystallization technique, surface mechanical grinding treatment at cryogenic temperatures, we synthesized a gradient nano-micro-structure in the surface layer of bulk pure copper. The average grain sizes vary from about 22 nm in the topmost surface to sub-micrometers at about 200 mu m deep, corresponding to a gradient change in hardness from 2.1 to 1.1 GPa in the coarse-grained matrix. (c) 2008 Published by Elsevier Ltd. on behalf of Acta Materialia Inc.
KOS主题词: Nanocrystals;  Nanostructured materials;  Copper;  EVOLUTION;  strain;  Microstructure;  refinement
刊名: Scripta Materialia
相关网址: <Go to ISI>://WOS:000258165100018
Appears in Collections:中国科学院金属研究所_期刊论文

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Recommended Citation:
W. L. Li,N. R. Tao,K. Lu. Fabrication Of A Gradient Nano-micro-structured Surface Layer On Bulk Copper By Means Of A Surface Mechanical Grinding Treatment[J]. Scripta Materialia,2008,59(5):546-549.

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