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13. CHDG-A在1050℃, 0.01 s^-1变形条件下的带衬度图和反极图

Fig.13. Microstructural of CHDG-A at T=1050℃, $ε ˙ =$ 0.01 s^-1 (a) BC of CHDG-A, (b) IPF of CHDG-A (the white, yellow, black and red lines represent grain boundaries with θ<10°, 10°≤θ≤15°, θ>15° and twin boundaries, respectively; arrows in Fig.13a indicate the nucleation sites)