TC4钛合金跨相区连续热压缩 α 相组织演变规律及织构形成机理

TC4钛合金跨相区连续热压缩 α 相组织演变规律及织构形成机理

赵焯雅, 孟令健, 林鹏, 曹晓卿

Microstructure Evolution and Texture Formation Mechanism of α Phase During Continuous Through-Transus Thermal Compression of TC4 Titanium Alloy

ZHAO Zhuoya, MENG Lingjian, LIN Peng, CAO Xiaoqing

图5 TC4钛合金在α + β相区压缩后α相的{0001}< $11 \bar{2} 0$ >基面滑移系、{ $10 \bar{1} 0$ }< $11 \bar{2} 0$ >柱面滑移系和{ $10 \bar{1} 1$ }< $11 \bar{2} 0$ >锥面滑移系的Schmid因子(SF)分布图

Fig.5 Schmid factor (SF) distributions of {0001}< $11 \bar{2} 0$ > basal slip system, { $10 \bar{1} 0$ }< $11 \bar{2} 0$ > prismatic slip system, and { $10 \bar{1} 1$ }< $11 \bar{2} 0$ > pyramidal slip system of α phase in TC4 titanium alloys compressed in α + β phase field
(a) sample No.1 (b) sample No.2 (c) sample No.3 (d) sample No.4