新型奥氏体耐热钢<strong>CHDG-A</strong>的动态再结晶行为及其动力学模型

新型奥氏体耐热钢CHDG-A的动态再结晶行为及其动力学模型

程晓农¹, 桂香¹, 罗锐¹(

), 徐桂芳¹, 袁志钟¹, 周宇森¹, 高佩¹^,²

Dynamic Recrystallization Behavior and Kinetics Model of a New Developed Austenitic Heat Resistant Steel CHDG-A

CHENG Xiaonong¹, GUI Xiang¹, LUO Rui¹(

), XU Guifang¹, YUAN Zhizhong¹, ZHOU Yuseng¹, GAO Pei¹^,²

图12. CHDG-A在900℃、1 s^-1变形条件下的微观组织演变

Fig.12. Microstructural of CHDG-A at T=900℃, $? ε ˙ =$ 1 s^-1 (a) Kikuchi pattern quality maps (BC) of CHDG-A, (b) inverse pole figure (IPF) of CHDG-A (the white, yellow, black and red lines represent grain boundaries with misorientation angles (θ): <10°, 10~15° (subboundaries), >15° and twin boundaries, respectively)