TiAl基合金与GH3039合金摩擦-扩散双重焊焊合区过渡相的形成、结构与原位开裂

杜随更, 王松林, 胡弘毅

Formation, Structure, and In Situ Cracking of Intermediate Phases in the Friction-Diffusion Double Welding Zone Between TiAl-Based Alloy and GH3039 Alloy

DU Suigeng, WANG Songlin, HU Hongyi

表1 实验材料化学成分 (atomic fraction / %)

Table 1 Chemical compositions of test materials

Alloy Ti Al Ni Cr V Fe Mo Nb Si Mn C TiAl 49.0 47.5 - 1.0 2.5 - - - - - - GH3039 0.6 1.1 70.2 22.6 - 2.9 1.2 0.7 0.45 0.23 0.02