Ta含量对DZ411合金疲劳裂纹扩展的影响

吴望月, 刘心刚, 姜祥伟, 董加胜

Effect of Ta Content on Fatigue Crack Extension Behavior of DZ411 Alloy

WU Wangyue, LIU Xingang, JIANG Xiangwei, DONG Jiasheng

图3 三种不同Ta含量合金的组织

Fig.3 Microstructure characteristics of alloys (a-c) morphology of γ′phase, (d-f) MC carbide, (a, d) 3Ta alloy, (b, e) 3.5Ta alloy, (c, f) 4Ta alloy