• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 28 Issue 4
Jul.  2015
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Article Contents
QIANG Bin, LI Yadong, GU Ying, YANG Yuanlu. Numerical Simulation of Residual Stress Field and Surface Roughness for Steel Plate Subjected to Shot Peening[J]. Journal of Southwest Jiaotong University, 2015, 28(4): 691-697. doi: 10.3969/j.issn.0258-2724.2015.04.018
Citation: QIANG Bin, LI Yadong, GU Ying, YANG Yuanlu. Numerical Simulation of Residual Stress Field and Surface Roughness for Steel Plate Subjected to Shot Peening[J]. Journal of Southwest Jiaotong University, 2015, 28(4): 691-697. doi: 10.3969/j.issn.0258-2724.2015.04.018

Numerical Simulation of Residual Stress Field and Surface Roughness for Steel Plate Subjected to Shot Peening

doi: 10.3969/j.issn.0258-2724.2015.04.018
  • Received Date: 15 Sep 2014
  • Publish Date: 25 Aug 2015
  • In order to study the distribution of residual stress field and surface roughness of a steel plate after shot peening treatment, finite element models of shot peening with multiple shots are established using ABAQUS. Through the models, the dynamic process of cast shot peening of Q345 steel plates used for bridge is simulated. Moreover, the effect of impact velocity, impact times, and shot diameter on the horizontal residual stress along the depth and on the surface roughness are analyzed. The results show that as the impact velocity, impact times, and shot diameter increase, the residual compressive stress has a trend of homogenization, the stress distribution range develops gradually in the direction of thickness, and the surface roughness increases gradually. According to the law of surface roughness changing with the impact times, a logarithmic function is proposed to represent the relationship between surface roughness and impact times. In addition, given a shot diameter of 1.4 mm, the relationship between surface roughness, impact velocity and impact times is presented.

     

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