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3 铸造和增材制造TNM合金的微观组织表征

Fig.3 Microstructural characterization of cast (a-e) and AM (f-j) TNM sample: (a) HAADF-STEM image of cast TNM, (b) HRTEM image, (c, d) FFTs images, (e) SAED image, (f) BF-STEM image of AM TNM, (g) high-magnification HAADF-STEM image, (h) HRTEM image, (i, j) FFTs images