奥氏体化温度对900 MPa级HSLA钢显微组织和晶体学演变的影响

高野, 任家宽, 李志峰, 崔聪, 陈俊, 刘振宇

Effect of Austenitizing Temperature on Microstructure and Crystallographic Evolution of 900 MPa Grade HSLA Steel

GAO Ye, REN Jiakuan, LI Zhifeng, CUI Cong, CHEN Jun, LIU Zhenyu

图1 不同奥氏体化温度下原始奥氏体晶粒的形貌

Fig.1 Morphologies of prior austenite grains at different austenitizing temperatures (a) 850℃; (b) 900℃; (c) 950℃