高Nb-TiAl合金的高温变形行为及其板材的性能

周海涛, 侯湘武, 汪彦博, 肖旅, 袁勇, 孙京丽

High-temperature Deformation Behavior and Properties of High Nb Containing TiAl Alloy

ZHOU Haitao, HOU Xiangwu, WANG Yanbo, XIAO Lv, YUAN Yong, SUN Jingli

图8 总变形量为80%的Ti-44Al-8Nb-0.2W-0.2B-Y合金板材的形貌

Fig.8 Appearance of Ti-44Al-8Nb-0.2W-0.2B-Y alloy sheet with a total reduction of 80% (a) low magnification and (b) high magnification