The influence of hot deformation on diffusional transformation kinetics of aust- enite was studied for 40Cr steel. The deformation of austenite above its recrystalli- zation temperature may accelerate the subsequent diffusional transformation.

• 本文在40Cr 钢上研究了热变形奥氏体状态对珠光体转变运力学的影响,所得结论如下:1)在本文的试验条件下,高温形变有促使珠光体转变的作用;