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

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

图8 图7中位置A处AlNi₂Ti相内三角晶界的HRTEM微结构表征

Fig.8 TEM microstructure characteristics of the triangular grain boundary AlNi₂Ti phase at position A in Fig.7
(a) HRTEM image (b) HRTEM image at triangular grain boundary (c) SAED pattern at triangular grain boundary
(d) Moire stripe on (01

\bar{1}

) crystal plane at grain boundary at position B in Fig.8a