| 结构钢的形变位错结构和强度 |
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| 引用本文： | 刘禹门. 结构钢的形变位错结构和强度[J]. 钢铁研究学报, 2007, 19(4): 1-0 |
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| 作者姓名： | 刘禹门 |
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| 作者单位： | 西安交通大学金属材料强度国家重点实验室,陕西,西安,710049 |
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| 摘 要： | 介绍了各种合金结构钢(铁素体钢、铁素体 珠光体钢和淬火回火钢)的形变位错结构及循环形变位错结构的研究情况，阐述了沉淀硬化合金强化过程的位错缠结机制、静载和动载竞争机制以及循环微裂纹的萌生机制。
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| 关 键 词： | 结构钢 塑性变形 疲劳 位错 |
| 文章编号： | 1001-0963(2007)04-0001-05 |
| 收稿时间： | 1900-01-01; |
| 修稿时间： | 2006-10-24 |
Deformation Dislocation Structure and Strength of Structural Steels |
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| LIU Yu-men. Deformation Dislocation Structure and Strength of Structural Steels[J]. Journal of Iron and Steel Research, 2007, 19(4): 1-0 |
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| Authors: | LIU Yu-men |
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| Affiliation: | State Key Laboratory for Mechanical Behavior of Materials, Xi??an Jiaotong University, Xi??an 710049, Shanxi, China |
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| Abstract: | The deformation dislocation structures and cyclic deformation dislocation structures of several alloy structural steels(ferritic steel,ferrite-pearlite steel and quench-tempered steel) were studied.The dislocation tangle mechanism of strengthening process for the precipitation-hardening steel,competitive mechanisms of static and cyclic loading,and nucleation mechanism of cyclic microcrack were expounded. |
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| Keywords: | structural steel plastic deformation fatigue dislocation |
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