Mn / N比对22%Cr节Ni型双相不锈钢多道次焊接热影响区组织和力学性能的影响

郭孟雨, 杨银辉, 高梓豪, 曹建春, 吴诗裕, 陈晓雨

Effect of Mn / N Ratio on the Microstructure and Mechanical Properties of Multi-Pass Welding HAZ of 22%Cr Low Nickel Type Duplex Stainless Steel

GUO Mengyu, YANG Yinhui, GAO Zihao, CAO Jianchun, WU Shiyu, CHEN Xiaoyu

图10 DSS1~DSS4试样多道次焊接HAZ拉伸断口的SEM像

Fig.10 SEM images of tensile fractures of multi-pass welding HAZ for DSS1 (a-c), DSS2 (d-f), DSS3 (g-i), and DSS4 (j-l) samples (a, d, g, j) marcrophologies (b, e, h, k) radial regions (c, f, i, l) shear lips