| 门槛区疲劳性能与材料微结构损伤 |
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| 摘 要： | 本文提出的某种材料微结构疲劳损伤模型对材料显微组织对门槛区疲劳性能影响进行了分析和讨论,从而解释了晶粒尺度、屈服极限,多相合金中显微组成对门槛区疲劳性能的影响机理。
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| 关 键 词： | 门槛值 微结构 晶粒尺度 屈服极限 疲劳持久极限 |
FATIGUE BEHAVIOR OF MATERIAL NEAR THRESHOLD REGION AND MICROSTRUCTURE-DAMAGE |
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| Authors: | Bai Jianan Yin Erxi Cheng Qishan Zhu Qixin |
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| Institution: | Bai Jianan Yin Erxi Cheng Qishan Zhu Qixin |
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| Abstract: | On the basis Of the fatigue damage models achieved in Paper(1),(2), this paper proposed a new mechanism about the effect of miro Structure on fatigue behavior near threshold region and explained the effect of grain size, yielding strength and substructure on Akth and Jr. |
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| Keywords: | fatigue threshold microstructure grain size yielding strength fatigue strength |
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