DD407/IN718高温合金异质焊接接头的组织及高温变形行为
刘杨,王磊(),宋秀,梁涛沙
Microstructure and High-Temperature Deformation Behavior of Dissimilar Superalloy Welded Joint of DD407/IN718
LIU Yang,WANG Lei(),SONG Xiu,LIANG Taosha

图8. DD407/IN718接头和母材拉伸后的截面形貌及断口SEM像

Fig.8. SEM images showing tensile failure location and fracture morphology of laser welded joint of DD407/IN718 and corresponding base metals(a) tensile failure location (b) tensile fracture morphology of the laser welded joint of DD407/IN718 alloys(c) tensile fracture morphology of the BMIN718 (d) dimple fracture morphology of the welded joint(e) intergranular fracture morphlolgy of the welded joint (f) intergranular fracture morphlolgy of the BMIN718