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以核反应堆压力容器 (RPV)大型锻件常用钢为对象 ,研究了应力对贝氏体相变的相变动力学及相变塑性的影响 ,得到定量描述应力诱导相变及相变塑性的模型 ,为下一步利用数值模拟优化该钢的热处理工艺打下了基础
Taking the steel used in the large forgings of nuclear reactor pressure vessel (RPV) as an example, the influence of stress on the phase transformation kinetics and phase transformation plasticity of bainite transformation was studied. The model describing quantitatively stress-induced transformation and plastic deformation was obtained. One step by using numerical simulation to optimize the heat treatment of the steel laid the foundation