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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1990, Vol. 11 ›› Issue (8): 383-386.

• 论文 • Previous Articles     Next Articles

ON SMALL FATIGUE CRACKS

Guo Wanlin, Fu Xiangjiong   

  1. Northwestern Poly technical University
  • Received:1988-11-24 Revised:1989-05-05 Online:1990-08-25 Published:1990-08-25

Abstract: The characteristics of fatigue small cracks are described and the possibility of their application to structural design of damage tolerance and durability are studied. The behaviour of various stages of crack growth and the size effects of small cracks are analysed. Then the life of crack initiation is redefined according to the short crack philosophy.

Key words: small crack, crack initiation, size effects of small crack