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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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孪晶对多晶铜疲劳行为的影响
, PP. 1281-1284
Keywords: Cu,孪晶,疲劳
Abstract:
对含有高密度孪晶的多晶铜进行了塑性应变幅控制下的疲劳实验.结果表明,塑性应变幅小于8.14×10-4时,孪晶对疲劳行为的影响不大;塑性应变幅大于8.14×10-4时,孪晶的约束作用、孪晶界与位错的反应及孪晶中位错的特殊组态,使多晶铜的循环饱和应力提高,硬化曲线中应力饱和平台区延长.
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