Mo含量对1000 MPa级高强钢焊缝金属组织和力学性能的影响

刘洋, 孙健, 陆善平

Effect of Mo Content on the Microstructure and Mechanical Properties of 1000 MPa Grade High-Strength Steel Weld Metal

LIU Yang, SUN Jian, LU Shanping

图11 不同Mo含量焊缝金属室温拉伸断口形貌的SEM像

Fig.11 Low (a-c) and locally high (a1-c1, a2-c2) magnified SEM images showing the tensile fracture morphologies of weld metals with different Mo contents at room temperature (Areas enclosed by dashed lines show the fiber regions. Arrows show the secondary cracks) (a, a1, a2) Mo00 (b, b1, b2) Mo03 (c, c1, c2) Mo07