• 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 29 Issue 6
Nov.  2016
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Article Contents
QIANG Bin, LI Yadong, GU Ying, NI Jinrong. Calculation Method of Surface Coverage Based on Shot Peening Random Model[J]. Journal of Southwest Jiaotong University, 2016, 29(6): 1177-1182. doi: 10.3969/j.issn.0258-2724.2016.06.018
Citation: QIANG Bin, LI Yadong, GU Ying, NI Jinrong. Calculation Method of Surface Coverage Based on Shot Peening Random Model[J]. Journal of Southwest Jiaotong University, 2016, 29(6): 1177-1182. doi: 10.3969/j.issn.0258-2724.2016.06.018

Calculation Method of Surface Coverage Based on Shot Peening Random Model

doi: 10.3969/j.issn.0258-2724.2016.06.018
  • Received Date: 13 Jul 2015
  • Publish Date: 25 Dec 2016
  • To reveal the coverage variation in shot peening process for metal structure, a MATLAB program was designed to calculate the coverage by analyzing the modeling process of shot peening random model and target morphology after shot peening. Also, the developed method was compared with the traditional coverage calculation methods. The comparison shows that, with shot diameter of 1 mm and velocity of 50 m/s, when the shot number N is less than 20, the results from the developed coverage calculation (MATLAB method) are approximate to those from the traditional methods (PEEQ method and theoretical formula method). With the increase of shot number, it shows CPEEQ Cth CMATLAB before reaching full coverage. When there is full coverage, the shot numbers corresponding to three methods are 100, 140 and 190, respectively.

     

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