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Volume 24 Issue 2
Sep.  2013
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Citation:
shu

Study on laser shock strengthening of carbon steel

  • 1.

    Jiangsu University of Science and Technology, Zhenjiang, 212013

  • Received Date: 1999-03-08
    Accepted Date: 1999-06-10
  • High power density(GW/cm2)short pulse(ns) laser was used for laser shock processing(LSP)45 carbon steel.The effect of LSP on the microstructure and structural changes of 45 carbon steel was studied.The fatigue fracture shapes of unshocked section and shocked section of the sample were examined with the scanning electron microscope(SEM).The experimental results show that laser shock processing can make the fatigue crack of 45 carbon steel not easy to initiate and propagate.The fatigue life of 45 carbon steel was significantly increased.
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    Vaccari J A.American Machinist,1992;(7):62~64
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    William F B.Laser shock processing of aluminum alloys.Applications of Laser in Materials Processing.American Society for Metals,1979:254~267
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    Fairand B P,Wilcox B A,G allagher W J et al.Appl Phys,1972;43(9):3893~3895
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    Peyre P,Fabbro R,Merrien P et al.Materials Science and Engineering,1996;A210:102~113
    [5] 张永康,张淑仪,唐亚新et al.中国科学(E辑),1997;27(1):28~34
    [6] 任乃飞,杨继昌,蔡兰et al.激光技术,1998;22(4):235~238
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通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Study on laser shock strengthening of carbon steel

  • 1. Jiangsu University of Science and Technology, Zhenjiang, 212013
  • Received Date: 1999-03-08
  • Accepted Date: 1999-06-10
  • Available Online: 2000-03-25

Abstract: High power density(GW/cm2)short pulse(ns) laser was used for laser shock processing(LSP)45 carbon steel.The effect of LSP on the microstructure and structural changes of 45 carbon steel was studied.The fatigue fracture shapes of unshocked section and shocked section of the sample were examined with the scanning electron microscope(SEM).The experimental results show that laser shock processing can make the fatigue crack of 45 carbon steel not easy to initiate and propagate.The fatigue life of 45 carbon steel was significantly increased.

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