形变时效;
The experimental results show that the material has significant rate sensitivity and dynamic strain ageing from 400 ℃ to 550 ℃, and the inelastic cyclic deformation behavior is obviously dependent on temperature, temperature history and strain amplitude history during loading.
在400℃至550℃范围内,材料循环加载时出现动力应变时效;该材料的循环变形行为对温度有明显的依赖性,且具有温度历史依赖性,以及应变幅值历史效应。
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