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激光冲击改性冷轧钼带的性能

Keywords: 金属材料,钼带,激光冲击强化,冷成形

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Abstract:

?对多晶冷轧钼带进行激光冲击成形及其强化,分析了冲击试件的显微硬度和微观组织。结果表明:高应变速率激光冲击实现了脆性多晶冷轧钼带冷成形和改性双重效应;半搭接区域激光冲击强化的多晶钼带表面显微硬度符合高斯函数变化规律,具有更好的冲击强化效果,其显微硬度峰值变化范围为hv265--310;激光冲击强化可提高钼带耐高温性能。

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