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1 落管无容器条件下Ti_{75 -}_x Al _x Nb₂₅合金的冷却速率及过冷度

Fig.1 Calculated cooling rate (R_c) (a) and undercooling (ΔT) (b) of rapidly solidified Ti_{75 -}_x Al _x Nb₂₅ alloy via drop-tube technique (D—drop diameter)