冷坩埚定向凝固Ti-47Al-2Cr-2Nb合金的拉伸与高周疲劳性能研究*
丁宏升(),尚子博,王永喆,陈瑞润,郭景杰,傅恒志
TENSILE AND HIGH CYCLE FATIGUE PROPERTIES OF Ti-47Al-2Cr-2Nb DIRECTIONALLY SOLIDIFIED BY COLD CRUCIBLE METHOD
Hongsheng DING(),Zibo SHANG,Yongzhe WANG,Ruirun CHEN,Jingjie GUO,Hengzhi FU

图10. 定向凝固Ti-47Al-2Cr-2Nb合金的应力-循环次数(S-N)曲线

Fig.10. Stress-number of cycle to failure (S-N) curves of directionally solidified Ti-47Al-2Cr-2Nb alloy at withdrawal rates of 1.0 and 1.2 mm/min, respectively (σmax—the max of stress, σUTS—ultimate tensile strength)