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
),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
),Zibo SHANG,Yongzhe WANG,Ruirun CHEN,Jingjie GUO,Hengzhi FU
图3. 不同抽拉速率下定向凝固Ti-47Al-2Cr-2Nb合金稳定生长区横截面的宏观组织
Fig.3. Macrostructures of cross-section at DS growth parts of directionally solidified Ti-47Al-2Cr-2Nb ingots at withdrawal rates of 1.0 mm/min (a), 1.2 mm/min (b) and 1.4 mm/min (c)
