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(
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Current Status and Development Trend on Weldability of Ultra-high Strength Hull Structure Steel
LEI Xuanwei1,2,ZHOU Shuanbao2,HUANG Jihua2()
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图4. 超高强度船体结构钢热影响区粗晶区的韧性
Fig.4. Impact toughness in CGHAZs of UHSHS steels (test temperature for F460 and F550 is -60℃, for HY85 is -50℃ and for E690 is -40℃) (a) with relatively large volume fractions of M-A and/or GB, (b) with relatively small volume fractions of M-A and/or GB
