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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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镍基单晶高温合金CMSX-2持久拉伸的显微组织形态及力学行为
, PP. 265-270
Keywords: 镍基,高温合金,持久拉伸,显微组织形态
Abstract:
在７６０－１０５０℃和７８０－１１５ＭＰａ范围内.选择不同温度应力配合进行了持久拉伸实验.研究了温度和应力的变化对试件断裂寿命的影响.以及温度、应力和断裂寿命与共格相特征尺寸（基体相γ水平通道宽度、筏形析出相γ′厚度）和试件延伸率及断面收缩率的关系,结果表明,在各实验条件下,γ′除了进行定向粗化以外,相邻数裂γ′不可沿外应力轴方向发生不同程度的纵向合并.
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