| 单晶铝在拉压循环过程中形成的两种位错组态与成因 |
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| 引用本文： | 王静,朱震刚,刘国东.单晶铝在拉压循环过程中形成的两种位错组态与成因[J].物理学报,1996,45(11):1782-1787. |
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| 作者姓名： | 王静 朱震刚 刘国东 |
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| 作者单位： | (1)中国科学院固体物理研究所内耗与固体缺陷开放研究实验室; (2)中国科学院物理研究所 |
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| 摘 要： | 研究了［１１０］和［１００］取向高纯铝单晶在６×１０－4拉压疲劳应变振幅条件下的应力σm和内耗Ｑ－１的变化，对不同阶段的位错组态作了详细的透射电子显微镜观察，并利用滑移几何的观点予以解释
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| 关 键 词： | 单晶铝 位错组态 拉压循环 |
| 收稿时间： | 1995-11-20 |
TWO KINDS OF DISLOCATION PATTERNS AND THE FORMING REASONS DURING THE PUSH-PULL FATIGUE PROCESS FOR Al SINGLE CRYSTALS |
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| WANG JING,ZHU ZHEN-GANG and LIU GUO-DONG.TWO KINDS OF DISLOCATION PATTERNS AND THE FORMING REASONS DURING THE PUSH-PULL FATIGUE PROCESS FOR Al SINGLE CRYSTALS[J].Acta Physica Sinica,1996,45(11):1782-1787. |
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| Authors: | WANG JING ZHU ZHEN-GANG and LIU GUO-DONG |
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| Abstract: | Variations of the stress σm and internal friction Ｑ－１ versus cyclic number N under push-pull fatigue strain εt=６×１０－4 for 100] Al single crystals were measured. The dislocation configuration at different stages of fatigue was observed by TEM. A elucidation was given with the view of dislocation slip geometry. |
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