Study on the Effect of Shot Peening Process on the Surface Integrity of DC53 Steel
[1]Zhang Yinxia,Yang Xin,Yuan young handsome,et al.Study on the Effect of Shot Peening Process on the Surface Integrity of DC53 Steel[J].Journal of Zhengzhou University (Engineering Science),2021,42(03):76-.[doi:10.13705/j.issn.1671-6833.2021.03.013]
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Journal of Zhengzhou University (Engineering Science)[ISSN
1671-6833/CN
41-1339/T] Volume:
42卷
Number of periods:
2021 03
Page number:
76-
Column:
Public date:
2021-05-10
- Title:
- Study on the Effect of Shot Peening Process on the Surface Integrity of DC53 Steel
- Keywords:
- shot peening pressure; shot peening angle; residual stress; hardness; roughness
- CLC:
- -
- DOI:
- 10.13705/j.issn.1671-6833.2021.03.013
- Abstract:
- In order to explore the influence of shot peening angle and shot peening pressure on the surface integrity of DC53 steel, the effects of different shot peening angles and shot pressures on the residual stress distribution and hardness distribution on the surface of DC53 steel are studied by experiment, and the morphology after shot peening and the effect of shot peening on roughness are analyzed. The results show that after shot peening, DC53 steel introduces a residual compressive stress layer with a certain depth. The stress shows a “U”-shaped distribution with depth increasing. When the shot peening pressure is 0.5 MPa, and the shot peening angle is 90°, the maximum stress tends to stabilize about 1 075 MPa, and the stress layer depth is about 410 μm. The surface hardness value and hardened layer depth of DC53 steel after shot peening are obviously increased. When the shot peening angle is 90° and the shot peening pressure is 0.55 MPa, the surface hardness increases from 58.3 HRC to 62.4 HRC,and a hardened layer of about 330 μm is formed. The surface morphology changes significantly after shot peening, compared with the original specimens, the surface roughness value decreases first and then increases with the increasing of the shot peening angle and shot peening pressure. The research results can provide a reference for the reasonable selection of shot peening parameters of DC53 steel.
- References:
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Last Update:
2021-06-24