Study on the effects of the shot peening intensity on the microstructure, friction and wear properties of high-strength steel
2024
Effects of Shot Peening on High-Strength Steel
publication
Evidence: high
Author Information
Author(s): Guan Huashen, Zhang Junjie, Zhang Xiaoguang, Sun Guofu, Duan Chenfeng
Primary Institution: Jiangmen Power Supply Bureau of Guangdong Power Grid Co. Ltd.
Hypothesis
How does shot peening intensity affect the microstructure and wear properties of high-strength steel?
Conclusion
Shot peening significantly improves the mechanical properties and wear resistance of high-strength steel, increasing its service life.
Supporting Evidence
- Shot peening created a grain refinement layer on the steel surface.
- The maximum surface hardness achieved was 592 HV0.2.
- Residual compressive stress on the surface reached 725 MPa.
- Wear resistance significantly improved after shot peening.
- Finite element modeling accurately predicted residual stresses with errors of 1.4–7.9%.
Takeaway
This study shows that using shot peening can make strong steel even stronger and help it last longer by changing its surface.
Methodology
The study involved shot peening experiments on 25CrNi2MoV steel and performance tests to evaluate microstructure and wear resistance.
Digital Object Identifier (DOI)
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