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12 图11中R2-1区域裂纹尖端HRTEM像及裂纹尖端B、C区对应的快速Fourier变换(FFT)像

Fig.12 HRTEM image of crack tip in R2-1 area in Fig.11 (a), and the fast Fourier transforms (FFT) of zone B (b) and zone C (c) near the crack tip