TiAl合金板材轧制研究现状
陈玉勇, 叶园, 孙剑飞

Present Status for Rolling TiAl Alloy Sheet
CHEN Yuyong, YE Yuan, SUN Jianfei
图5 Ti-44Al-8Nb-0.2W-0.2B-Y合金板材及轧制Ti-45Al-8.5Nb-(W, B, Y)合金显微组织[19,24]
Fig.5 Microstructures of Ti-44Al-8Nb-0.2W-0.2B-Y alloy sheet (a-c)[19] and Ti-45Al-8.5Nb-(W, B, Y) alloy sheet (d, e)[24] (RD—rolling direction)
(a) low magnification (b) residual lamellar region (c) duplex microstructure region
(d) normal direction section (e) RD section