TC4钛合金激光表面重熔层内拉伸变形$\{10\bar{1}2\}$孪晶形成机制及马氏体变体选择规律

杨朋飞, 孙磊, 孙奇, 杨志远, 赵元, 高英, 张嘉振

Formation Mechanism of $\{10\bar{1}2\}$ Twins and Selection Rule of Martensitic Variants During Tensile Deformation in TC4 Titanium Alloy Laser Surface Remelting Layer

YANG Pengfei, SUN Lei, SUN Qi, YANG Zhiyuan, ZHAO Yuan, GAO Ying, ZHANG Jiazhen

图6 WQ和WQ-LSR试样的初始β晶粒重构及α变体取向

Fig.6 Prior β grains and α variant orientations reconstructed from WQ (a) and WQ-LSR (b) samples