正火型V-N-Ti和Nb-V-Ti海工钢焊接粗晶热影响组织和韧性研究

师仲然, 赵庆凯, 刘登辉, 王天琪, 柴希阳, 罗小兵, 柴锋

Study on Microstructure and Toughness of Simulated Coarse Grain Heated Zone in Normalized V-N-Ti and Nb-V-Ti Marine Steel

SHI Zhongran, ZHAO Qingkai, LIU Denghui, WANG Tianqi, CHAI Xiyang, LUO Xiaobing, CHAI Feng

表3 实验用钢模拟粗晶热影响区M-A岛的统计结果

Table 3 Results of M-A quantitative statistics

Ssteels M-A/% Stripy M-A/% Massive M-A/% The size of Stripy M-A/μm The size of massive M-A/μm V-N-Ti 3.89 1.45 2.44 4.51 0.78 Nb-V-Ti 4.31 1.44 2.87 4.02 0.42