J Mater Sci Technol ›› 1997, Vol. 13 ›› Issue (3): 238-240.

• Articles • Previous Articles    

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)   

  • Received:1997-05-28 Revised:1997-05-28 Online:1997-05-28 Published:2009-10-10

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Abstract: 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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