| 剧烈塑性变形制备微纳米材料的变形细化机理 |
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| 引用本文： | 汪程鹏,李付国,陆红亚,王磊,乔慧娟.剧烈塑性变形制备微纳米材料的变形细化机理[J].金属热处理,2012(2):14-19. |
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| 作者姓名： | 汪程鹏 李付国 陆红亚 王磊 乔慧娟 |
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| 作者单位： | 西北工业大学凝固技术国家重点实验室;西北工业大学材料科学与工程学院;清华大学机械工程系 |
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| 基金项目： | 航空科学基金(2011ZE53059);西北工业大学研究生创业种子基金(Z2011006) |
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| 摘 要： | 对剧烈塑性变形法(SPD)制备微纳米材料变形细化机理进行了总结归纳,着重介绍了位错变形和热机械变形两种机制,详细论述了材料在剧烈塑性变形加工过程中的组织转变特点,同时给出了SPD变形细化机制等研究方向的个人见解。
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| 关 键 词： | 剧烈塑性变形 微纳米材料 细化 晶界 位错 |
Refinement and deformation mechanism of severe plastic deformation for micron-nanometer materials |
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| WANG Cheng-peng,LI Fu-guo,LU Hong-ya,WANG Lei,QIAO Hui-juan.Refinement and deformation mechanism of severe plastic deformation for micron-nanometer materials[J].Heat Treatment of Metals,2012(2):14-19. |
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| Authors: | WANG Cheng-peng LI Fu-guo LU Hong-ya WANG Lei QIAO Hui-juan |
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| Affiliation: | 1.State Key Laboratory of Solidification Processing,Northwestern Polytechnical University,Xi’an Shaanxi 710072,China;2.School of Materials Science and Engineering,Northwestern Polytechnical University,Xi’an Shaanxi 710072,China;3.Department of Mechanical Engineering,Tsinghua University,Beijing 100084,China) |
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| Abstract: | The current refinement and deformation mechanism of severe plastic deformation(SPD) for micro-nanometer materials fabrication were summarized,the two mechanisms of dislocation deformation and thermal refinement were introduced,and microstructure transformation characteristics of materials in SPD and ongoing research were discussed in detail.Personal views on the future research directions of refinement using SPD were also proposed. |
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| Keywords: | severe plastic deformation micron-nanometer material refinement grain boundaries dislocation |
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