高强韧钛合金组成相成分和形态的精细调控

杨锐, 马英杰, 雷家峰, 胡青苗, 黄森森

Toughening High Strength Titanium Alloys Through Fine Tuning Phase Composition and Refining Microstructure

YANG Rui, MA Yingjie, LEI Jiafeng, HU Qingmiao, HUANG Sensen

图12 Ti64合金在两相区920℃保温不同时间条件下的显微组织和Al、V元素浓度分布[44]

Fig.12 Microstructures and Al, V distributions under 920oC for 2 min (a), 5 min (b), 8 h (c), and 32 h (d) (The αp grains or βt is delineated on BSE images and the element distribution pointed by arrows indicate the occurrence of αp/βt phase transformation before the elements reach their equilibrium concentration)[44]