增材制造TiAl合金的研究进展
陈玉勇, 时国浩, 杜之明, 张宇, 常帅

Research Progress on Additive Manufacturing TiAl Alloy
CHEN Yuyong, SHI Guohao, DU Zhiming, ZHANG Yu, CHANG Shuai
表4 EBM Ti-48Al-2Cr-2Nb合金的缺口韧性和疲劳裂纹扩展结果汇总[67]
Table 4 Summaries of notch toughness and fatigue crack growth results for EBM Ti-48Al-2Cr-2Nb alloy[67]
Specimen condition

Kq

MPa·m1/2

R

ΔKth

MPa·m1/2

Kmax

MPa·m1/2

As-built24.1 ± 6.50.38-913.2-13.9
HIP27.8 ± 0.40.11318.2
As-cast24-250.38-918.3-20.4