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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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8090Al-Li合金的低周疲劳行为
, PP. 702-708
Keywords: Al－Li合金,低周疲劳,循环硬化,循环软化
Abstract:
研究了不同热处理状态8090Al－Li合金的循环疲劳与断裂行为．结果表明，相同时效状态合金的循环应力随应变幅的增加而提高．低应变幅下时效状态影响较小；随应变幅的提高，时效状态的影响增强合金表现出的循环硬化、软化以及低周疲劳性能与位错组态、沉淀相的尺寸、晶界PFZ的形成和断口形貌密切相关
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