一种高性能航空涡轮盘用铸锻合金的研究进展
谷月峰1(
),崔传勇1,2(),袁勇1,3,钟志宏1,4
),崔传勇1,2(),袁勇1,3,钟志宏1,4
RESEARCH PROGRESS IN A HIGH PERFORMANCE CAST & WROUGHT SUPERALLOY FOR TURBINE DISC APPLICATIONS
Yuefeng GU1(),Chuanyong CUI1,2(),Yong YUAN1,3,Zhihong ZHONG1,4
),Chuanyong CUI1,2(),Yong YUAN1,3,Zhihong ZHONG1,4
图25. U720Li和TMW合金的疲劳裂纹扩展行为[8,9,46,47]
Fig.25. Fatigue crack growth behavior for U720Li and TMW alloys at 400 ℃ (a), 650 ℃ (b) and (c) 725 ℃ (c)[8,9,46,47] (ΔK—stress intensity factor range, da/dN—crack growth rate)
