材料期刊网

Characteristics of Faigue Crack Initiation inTi-5Al-4Sn-2Zr-1Mo-0.7Nd-0.25Si Alloy

Jiafeng LEP , Yuyin LIU , Shaoxuan GUAN , Qingjiang WANG , Zhongguang WANG , Dong LI and Zhuangqi HU(State Key Lab. for Fatigue and Fracture of Materials , Institute of Metal Research , Chinese Academy of Sciences , Shenyan 110015 , China)

材料科学技术（英）

The characteristics of fatigue crack initiation in Ti-5AI-4Sn-2Zr1Mo-O.7Nd-O.25Si alloy wereStudied. Two modes Of fatigue crack initiation were found. The Nd-rich phase particles displaybetter resistance to fatigue crack initiation than the matrix at lower stress.

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