Ti-43.5Al-4Nb-1Mo-0.1B合金的包套热挤压组织与拉伸性能

刘先锋, 刘冬, 刘仁慈, 崔玉友, 杨锐

Microstructure and Tensile Properties of Ti-43.5Al-4Nb-1Mo-0.1B Alloy Processed by Hot Canned Extrusion

LIU Xianfeng, LIU Dong, LIU Renci, CUI Yuyou, YANG Rui

表1 Ti-43.5Al-4Nb-1Mo-0.1B (TNM)合金铸锭的化学成分 (atomic fraction / %)

Table 1 Chemical compositions of the Ti-43.5Al-4Nb-1Mo-0.1B (TNM) alloy

Cast ingot Ti Al Nb Mo B Fe Si C N H O Nominal Bal. 43.5 4.00 1.00 0.100 - - - - - - Actual Bal. 43.2 3.94 1.03 0.076 ≤0.051 ≤0.15 ≤0.0068 0.02 0.057 0.013