V添加对Ti2AlNb合金组织演变及硬度的影响

V添加对Ti₂AlNb合金组织演变及硬度的影响

刘子儒, 郭乾应, 张虹雨, 刘永长

Effects of V on the Microstructure Evolution and Hardness Enhancement of Ti₂AlNb Alloy

LIU Ziru, GUO Qianying, ZHANG Hongyu, LIU Yongchang

图9 Ti-22Al-25Nb-1V合金在900 ℃时效后的SEM背散射电子(BSE)像以及相应的EDS线扫描结果

Fig.9 SEM backscattered electron (BSE) image (a) and corresponding linear scan analyses alone the line in Fig.9a (b) of the Ti-22Al-25Nb-1V alloy after solution treatment at 1300 ºC and aging at 900 ºC