增材制造与铸造钛铝合金的微观组织及高温氧化行为对比研究

祝丁丁, 赵希雅, 张晓美, 梅子期, 逯文君, 王帅

Comparative Characterization of Microstructure and High-temperature Oxidation Behavior of Additive Manufacturing and Casting TiAl Alloy

ZHU Dingding, ZHAO Xiya, ZHANG Xiaomei, MEI Ziqi, LU Wenjun, WANG Shuai

图7 铸造和增材制造TNM合金氧化24和48 h后氧化层/基体界面的SEM-BSE图像

Fig.7 SEM-BSE images of the oxide scale/matrix interfaces for cast (a, b) and AM (c, d) TNM alloy after 24 (a, c) and 48 h (b, d) oxidation (the inset in Fig.b displays the electron diffraction pattern of the Z-phase along the [001] zone axis)