V和B元素对Ti-44Al-5Nb-1Mo合金显微组织及热变形机制的影响

李天瑞, 许瑜倩, 吴文平, 甘文萱, 杨永, 刘国怀, 王昭东

Effects of V and B on the Microstructure Evolution and Deformation Mechanisms of Ti-44Al-5Nb-1Mo Alloys

LI Tianrui, XU Yuqian, WU Wenping, GAN Wenxuan, YANG Yong, LIU Guohuai, WANG Zhaodong

图3 均匀化处理后Ti-44Al-5Nb-1Mo-2V-0.2B合金中硼化物的TEM像及SAED花样

Fig.3 TEM images and SAED pattern of the borides in as-homogenized Ti-44Al-5Nb-1Mo-2V-0.2B alloy (a) morphology of a boride (b) local bright field (BF) image of the boride in Fig.3a (c) SAED pattern of the boride (d, e) dark field (DF) images of the boride