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8 Ti-44Al-5Nb-1Mo合金中片层组织演化的TEM分析

Fig.8 TEM analyses of the lamellar evolution for Ti-44Al-5Nb-1Mo alloy (a) 1050oC, 1 s-1 (Insets show the SAED patterns of B2 and γ phase) (b) high magnified image of square area in Fig.8a (Inset shows the SAED pattern of two-beam image) (c) 1050oC, 0.01 s-1 (d) 1050oC, 0.001 s-1 (Inset shows the DRX grains)