第一代单晶高温合金中温高应力幅下的疲劳裂纹萌生行为

黄亚奇, 王栋, 卢玉章, 熊英, 申健

Fatigue Crack Initiation Behavior at Intermediate Temperature under High Stress Amplitude for Single Crystal Superalloy DD413

HUANG Yaqi, WANG Dong, LU Yuzhang, XIONG Ying, SHEN Jian

图5 磨抛样品在760℃热暴露30 min后样品表面碳化物的形貌

Fig.5 Morphology of the carbides on the surface of polished sample explored at 760℃ for 30 min without loading