快速凝固<strong>Ti-Al-Nb</strong>合金<strong>B2</strong>相形成机制与显微力学性能

快速凝固Ti-Al-Nb合金B2相形成机制与显微力学性能

梁琛, 王小娟, 王海鹏

Formation Mechanism of B2 Phase and Micro-Mechanical Property of Rapidly Solidified Ti-Al-Nb Alloy

LIANG Chen, WANG Xiaojuan, WANG Haipeng

图8 电弧熔炼与吸铸条件下Ti_{75 -}_x Al _x Nb₂₅合金的凝固组织演变

Fig.8 Microstructure evolutions of rapidly solidified Ti_{75 -}_x Al _x Nb₂₅ alloys processed by VAM (a, b, d, e) and VSC (c, f)
(a-c) Ti₅₃Al₂₂Nb₂₅ (d-f) Ti₃₀Al₄₅Nb₂₅