• CN：11-2187/TH
  • ISSN：0577-6686
机械工程学报

›› 2002, Vol. 38 ›› Issue (7): 1-5.

• 论文 •    下一篇

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大塑性变形制备块体纳米材料

魏伟;陈光   

  1. 南京理工大学金属纳米材料与技术联合实验室
  • 发布日期:2002-07-15

PROCESSING BULK NANOSTRUCTURED MATERIALS BY SEVERE PLASTIC DEFORMATION

Wei Wei; Chen Guang   

  1. Nanjing University of Science and Technology
  • Published:2002-07-15

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摘要： 介绍了大塑性变形(SPD)细化晶粒的发展历史、原理及细化条件，总结了大塑性变形制备块体纳米材料的4种方法及其应用，分析了纳米材料的强度和超塑性变形特征，以及当前研究中存在的问题。

关键词: 大塑性变形, 力学性能, 纳米金属

Abstract: Several methods, principles of SPD for bulk nanostructured materials are presented. Strength and superplasticity behaviors of nanostructured materials are also reviewed. Pre-sent problems, rurther improvements and applications of SPD are put forward.

Key words: Nanostructured metals Severe plastic deformation Mechanical properties

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