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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1991, Vol. 12 ›› Issue (2): 34-38.

• 论文 • Previous Articles     Next Articles

THE INFLUENCE OF LASER RADIATION ON THE FATIGUE LIFE OF STEEL SPECIMENS

Li Xiping1, Li Guangxia1, Li Changchun1, Guo Zhide2   

  1. 1. Huazhong University of Science and Technology;2. Aircraft Structure Strength Research Institute
  • Received:1990-06-25 Revised:1990-08-15 Online:1991-02-25 Published:1991-02-25

Abstract: It is discussed in this paper that the fatigue life of bar steel specimens is related to the laser radiation parameters, hardness and surface layer deepness. Furthermore, the mechanism of microstructure of No. 45 steel is analysed.

Key words: laser, steel specimen, fatigue life