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

Yang LIU,Lei WANG,Xiu SONG,Taosha LIANG

表1 DD407单晶合金、IN718多晶合金的化学成分

Table 1 Chemical compositions of DD407 and IN718 alloys

Material C Cr Co W Mo Al Ti Nb Ta Fe Ni DD407 0.007 8.050 5.500 5.000 2.250 5.950 2.000 - 3.500 - Bal. IN718 0.040 19.000 - - 3.050 0.500 0.900 5.250 - Bal. 52.500