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激光冲击强化2024-T3铝合金的数值模拟与试验

, PP. 181-184

Keywords: 激光冲击,数值模拟,冲击坑,表面残余应力,试验

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Abstract:

表面冲击坑深度和残余应力大小是评价激光冲击强化效果的两个重要指标。采用数值模拟软件对激光冲击强化2024-T3铝合金进行了数值模拟,对模拟过程中的关键技术问题进行了处理,建立了有限元分析模型,并进行了试验验证。数值模拟的冲击坑深度和试验值相差为5.78%,模拟的表面残余压应力的最大值与试验所得的数值偏差为

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