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1. 不同抽拉速率下定向凝固Ti-47Al-2Cr-2Nb合金的宏观组织
Fig.1. Macrostructures of directionally solidified Ti-47Al-2Cr-2Nb alloy ingots at withdrawal rates of 1.0 mm/min (a), 1.2 mm/min (b) and 1.4 mm/min (c) (S/L—solid/liquid)
