Ti30Ni50Hf20 高温形状记忆合金的热变形行为

Ti₃₀Ni₅₀Hf₂₀ 高温形状记忆合金的热变形行为

姜沐池, 宫继双, 杨兴远, 任德春, 蔡雨升, 李秉洋, 吉海宾, 雷家峰

Hot Deformation Behavior of Ti₃₀Ni₅₀Hf₂₀ High-Temperature Shape Memory Alloy

JIANG Muchi, GONG Jishuang, YANG Xingyuan, REN Dechun, CAI Yusheng, LI Bingyang, JI Haibin, LEI Jiafeng

图2 不同温度和应变速率下Ti₃₀Ni₅₀Hf₂₀高温形状记忆合金应力-应变曲线

Fig.2 Stress-strain curves of Ti₃₀Ni₅₀Hf₂₀ high-temperature shape memory alloy at different temperatures and strain rates ( $\dot{ε}$ )
(a) 700 ^oC (b) 800 ^oC (c) 900 ^oC