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1,2(
), 赵庆凯3, 刘登辉3, 王天琪1,2, 柴希阳1,2, 罗小兵1,2, 柴锋1,2
), 赵庆凯3, 刘登辉3, 王天琪1,2, 柴希阳1,2, 罗小兵1,2, 柴锋1,2
Study on Microstructure and Toughness of Simulated Coarse Grain Heated Zone in Normalized V-N-Ti and Nb-V-Ti Marine Steel
SHI Zhongran1,2(), ZHAO Qingkai3, LIU Denghui3, WANG Tianqi1,2, CHAI Xiyang1,2, LUO Xiaobing1,2, CHAI Feng1,2
), ZHAO Qingkai3, LIU Denghui3, WANG Tianqi1,2, CHAI Xiyang1,2, LUO Xiaobing1,2, CHAI Feng1,2
图10. 实验用钢模拟粗晶热影响区的二次裂纹
Fig.10. SEM analysis of cross-sectional area beneath fracture surface for the impact specimen of experimental steels fractured at -60℃. (a) V-N-Ti steel; (b, c) Nb-V-Ti steel
