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Copyright © 2020 Dong Liang et al. This is an open access article distributed under the Creative Commons Attribution License (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. http://creativecommons.org/licenses/by/4.0/

Abstract

The fatigue strength of a gear tooth surface is affected by various factors, which subsequently impacts the transmission performance of gears. Usually, shot peening treatment is carried out during processing to improve the performance of gears. Most current studies focus on theoretical descriptions and simulation analyses of shot peening treatment. However, in this paper, the relationships among shot peening treatment, residual stress, and bending fatigue strength of a gear tooth surface are discussed, through experimental methods. Based on X-ray stress analysis, at select locations on the test samples, the residual stresses on gear tooth surfaces with and without shot peening treatment are determined and contrasted. The results show that shot peening treatment can effectively increase the residual stress on gear tooth surfaces. In addition, an electromagnetic resonance fatigue tester is used to analyze the bending fatigue strength of gear tooth surfaces. The test results indicate that the bending fatigue strength of the gear teeth with shot peening is higher than that of the gear teeth without shot peening. The obtained conclusions lay the foundation for further practical engineering applications of gears.

Details

Title
Experimental Analysis of Residual Stress and Bending Strength of Gear Tooth Surface after Shot Peening Treatment
Author
Liang, Dong 1   VIAFID ORCID Logo  ; Meng, Sheng 1 ; Chen, Yi 2 ; Chengli Hua 3 

 School of Mechatronics & Vehicle Engineering, Chongqing Jiaotong University, No. 66 Xuefu Street, Nan’an District, Chongqing 400074, China 
 College of Mechanical Engineering, Chongqing University, No. 174 Shazheng Street, Shapingba District, Chongqing 400030, China 
 City College of Science and Technology, Chongqing University, No. 368 Guangcai Street, Yongchuan District, Chongqing 402167, China 
Editor
Sundararajan Natarajan
Publication year
2020
Publication date
2020
Publisher
John Wiley & Sons, Inc.
ISSN
10709622
e-ISSN
18759203
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
2415215637
Copyright
Copyright © 2020 Dong Liang et al. This is an open access article distributed under the Creative Commons Attribution License (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. http://creativecommons.org/licenses/by/4.0/