低压转子加热过程温度场与相变的计算机模拟  

Computer simulation on temperature field and phase transformation in low-pressure rotor during heating process

作　　者：雷雪[1] 徐薇平[1] 韩利战[1] 顾剑锋[1] 潘健生[1] 

机构地区：[1]上海交通大学材料科学与工程学院上海市激光制造与材料改性重点实验室,上海200240

出　　处：《金属热处理》2009年第9期48-51,共4页Heat Treatment of Metals

基　　金：上海市科委重大科技攻关项目(08DZ1100302)

摘　　要：利用有限元数值方法模拟了30Cr2Ni4MoV钢低压转子的典型加热工艺过程,分析了加热过程中的转子关键位置处升温曲线、奥氏体化进程以及关键截面上的温差分布。通过简略的热应力估算对加热过程中出现的温差进行了评估,为进一步优化加热工艺提供了依据。FEM numerical simulation was carried out for 30Cr2Ni4MoV steel low-pressure rotor based on a typical heating process. The heat treatment process curves,temperature difference and austenization process on some key points and sections of the rotor were analyzed. The temperature difference during heating process was evaluated based on the simplified calculation of the thermal stress, providing fundamental information for the further process optimization.

关 键 词：计算机模拟 低压转子 奥氏体化 温度场 相变 热应力 

分 类 号：O242[理学—计算数学]