A Study on the Effect of Shot Peening Parameters on the Wear Behaviour of AISI 4135 Steel

Neeraj Kumar; Vipin; Ashish Agarwal

doi:10.5750/ijme.v168iA4(S).1932

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Published: Oct 10, 2026

DOI: https://doi.org/10.5750/ijme.v168iA4(S).1932

Keywords:

Shot peening intensity Abrasive wear Linear regression equation Factorial design approach Interaction effects

Neeraj Kumar

Department of Mechanical, Production, Industrial and Automobile Engineering, Delhi Technological University, Delhi 110042, India

Vipin

Department of Mechanical, Production, Industrial and Automobile Engineering, Delhi Technological University, Delhi 110042, India

Ashish Agarwal

Department of Mechanical Engineering, School of Engineering & Technology, IGNOU, Delhi 110068, India

Abstract

This research investigates the wear resistance behavior of AISI 4135 steel surface subjected to shot peening- a mechanical surface treatment known for its ability to enhance surface hardness and thus material durability.Employing a two-level factorial design, we investigated how varying load levels, abrasive sizes, and shot peening intensities influence wear. By using parameters such as 7N vs. 1N load, 90μm vs. 30μm abrasive sizes, and Almen intensities of 0.487 vs. 0.118 mm, we developed a regression model to predict wear rate behavior. Our findings indicate that wear increases significantly with load and abrasive size, whereas higher peening intensity mitigates wear, highlighting its potential for improving the lifespan of steel components used in abrasive environments.

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Vol. 168 No. A4(S) (2026): Special Issue: International Conference of Advance Research and Innovation

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