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Volume 29 Issue 1
Apr 2015
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Chinese Journal of High Pressure Physics  > 2015  >  29(1): 52-58.
XI Xiao-Bo, MIAO Hong, ZHAO Li, ZHU He-Lin, ZHANG Rui-Hong, JIN Yi-Fu. Study on Residual Stress of Big Tilling Depth Rotary Blade for Laser Shock Peening[J]. Chinese Journal of High Pressure Physics, 2015, 29(1): 52-58. doi: 10.11858/gywlxb.2015.01.009
Citation: XI Xiao-Bo, MIAO Hong, ZHAO Li, ZHU He-Lin, ZHANG Rui-Hong, JIN Yi-Fu. Study on Residual Stress of Big Tilling Depth Rotary Blade for Laser Shock Peening[J]. Chinese Journal of High Pressure Physics, 2015, 29(1): 52-58. doi: 10.11858/gywlxb.2015.01.009
shu

Study on Residual Stress of Big Tilling Depth Rotary Blade for Laser Shock Peening

doi: 10.11858/gywlxb.2015.01.009

  • College of Mechanical Engineering, Yangzhou University, Yangzhou 225127, China

  • Received Date: 17 Sep 2013
  • Rev Recd Date: 03 Dec 2013
    Abstract
  • The effect of residual stress of big tilling depth rotary blade with 350 mm turning radius for laser shock peening (LSP) was researched, and the theoretical stress of rotary blade were analyzed by ANSYS.The stress concentration region was at the outer corner of tool shank.The LSP process was also simulated by ANSYS and the theoretical introduced value of the residual stress was obtained.Value of residual stress before and after LSP were tested by X-ray stress meter.The results show that the simulation value fits well with the experimental value, and the residual stress after LSP changes effectively with the maximum reaches 412.25 MPa and a amplification of 166%.The introduced residual compressive stress could eliminate the stress concentration of the working rotary blade, and raise its using life.It provides a new basis for further improvement and optimization of big tilling depth rotary blade's manufacture technique.

     

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