高温时效对T23钢粗晶热影响区显微组织及再热裂纹敏感性的影响

王学, 李勇, 王家庆, 胡磊

Effect of High Temperature Ageing on Microstructure and Stress-Relief Cracking Susceptibility of Coarse Grain Heat Affected Zone in T23 steel

WANG Xue, LI Yong, WANG Jiaqing, HU Lei

表1 在650℃时效不同时间的T23钢试样CGHAZ的等效时效条件 (h)

Table 1 Equivalent heat exposure conditions of CGHAZs of T23 steels aged at 650oC for different time

T / oC 6 h 24 h 48 h 550 611 2444 4889 500 9659 38635 77269