W含量对Ti-42Al-5Mn-xW合金相转变行为的影响

李小兵, 潜坤, 舒磊, 张孟殊, 张金虎, 陈波, 刘奎

Effect of W Content on the Phase Transformation Behavior in Ti-42Al-5Mn- xW Alloy

LI Xiaobing, QIAN Kun, SHU Lei, ZHANG Mengshu, ZHANG Jinhu, CHEN Bo, LIU Kui

表3 Ti-42Al-5Mn-xW合金1300℃处理1 h后不同冷却方式下的显微组织定量统计结果 (volume fraction / %)

Table 3 Quantitative statistical results of microstructures for Ti-42Al-5Mn-xW alloys treated at 1300oC for 1 h and then cooled with different methods

x WC AC FC α2 βo α2 βo + γp region α2/γ region γg βo 0 76.1 ± 0.3 23.9 ± 0.3 83.4 ± 0.3 16.6 ± 0.3 71.3 ± 0.4 20.5 ± 0.3 8.2 ± 0.2 0.5 60.1 ± 0.5 39.9 ± 0.5 64.6 ± 0.5 35.4 ± 0.5 55.0 ± 1.5 29.5 ± 2.5 15.5 ± 0.5 0.8 49.2 ± 1.0 50.8 ± 1.0 77.5 ± 0.6 22.5 ± 0.6 39.0 ± 0.5 41.8 ± 0.4 19.2 ± 0.3 1.0 36.8 ± 0.4 63.2 ± 0.4 80.8 ± 1.1 19.2 ± 1.1 45.8 ± 0.5 31.5 ± 0.7 22.7 ± 0.9