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Volume 22 Issue 6
Sep.  2013
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Article Navigation >  LASER TECHNOLOGY  > 1998 >  22(6): 382-386

Citation:
shu

Pre-loaded LY12 aluminum alloy irradiated by high-power laser beam

  • 1.

    National Lab.of Laser Technology, HUST, Wuhan, 430074;

  • 2.

    Southwest Institution of Fluid Physics, Chengdu, 610003

  • Received Date: 1997-07-18
    Accepted Date: 1997-07-18
  • Thermal and mechanical response,stress statute,deformation and damage of pre-pulled,pre-pressed and pre twisted LY12 aluminum alloy specimens caused by irradiation of high-power CW CO2 laser beam were studied in this paper.The parameters of laser irradiation and the microstructure of laser irradiated area were analyzed for different types of pre loading and different shapes of specimens. Under the combined laser beam irradiation and mechnical pre-loading,the laser beam irradiated area on the specimen was melt and depressed,causing fracture on the border area,and finally being damaged.
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  • [1] 周益春,段祝平.强激光与粒子束,1993;5(2):221
    [2] 陈裕泽,李思忠,张光军et al.强激光与粒子束,1995;7(2):246
    [3] 宋武林,朱蓓蒂,罗慧倩et al.应用激光,1996;16(2):63
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  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Pre-loaded LY12 aluminum alloy irradiated by high-power laser beam

  • 1. National Lab.of Laser Technology, HUST, Wuhan, 430074;
  • 2. Southwest Institution of Fluid Physics, Chengdu, 610003
  • Received Date: 1997-07-18
  • Accepted Date: 1997-07-18
  • Available Online: 1998-11-25

Abstract: Thermal and mechanical response,stress statute,deformation and damage of pre-pulled,pre-pressed and pre twisted LY12 aluminum alloy specimens caused by irradiation of high-power CW CO2 laser beam were studied in this paper.The parameters of laser irradiation and the microstructure of laser irradiated area were analyzed for different types of pre loading and different shapes of specimens. Under the combined laser beam irradiation and mechnical pre-loading,the laser beam irradiated area on the specimen was melt and depressed,causing fracture on the border area,and finally being damaged.

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