超高强度船体结构钢焊接性的研究现状和趋势
雷玄威1,2,周栓宝2,黄继华2()
Current Status and Development Trend on Weldability of Ultra-high Strength Hull Structure Steel
LEI Xuanwei1,2,ZHOU Shuanbao2,HUANG Jihua2()

图7. GB和UB转变碳浓度梯度的示意图[60]

Fig.7. Carbon gradients by granular bainite and upper bainite formations