Search for: [Affiliation = "Ashoka Varthanan, P. \: Department of Mechanical Engineering, Sri Krishna College of Engineering and Technology, Coimbatore

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Search for: [Affiliation = "Ashoka Varthanan, P. \: Department of Mechanical Engineering, Sri Krishna College of Engineering and Technology, Coimbatore – 642003, India"]

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Shot peening effects on fatigue life, corrosion behavior and surface roughness of low carbon alloy steel

C. Selva Senthil Prabhu P. Ashoka Varthanan T. Ram Kumar

Bulletin of the Polish Academy of Sciences Technical Sciences | 2021 | 69 | No. 1 | e136214 | DOI: 10.24425/bpasts.2020.136214

Keywords surface roughness shot peening fatigue life

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Abstract

In this present study, the effect of the shot peening process on fatigue life, surface hardness and corrosion properties of a low carbon alloy steel is examined at room temperature. The research article addresses the effect of shot peening by varying the process parameters such as peening distance and pressure with amachrome as shots. The experiment is designed by means of full factorial design. The experimental result reveals that the pressure and distance are the most significant factors in the shot peening process. The results illustrate that the average pressure of 7 bar and distance of 100 mm improves fatigue life by 1.5% of unpeened material under 20 Hz frequency while corrosion resistance improves by 4% with unpeening of the low carbon alloy steel by using amachrome as a shot.

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Authors and Affiliations

C. Selva Senthil Prabhu

P. Ashoka Varthanan

T. Ram Kumar

Department of Mechanical Engineering, Dr. Mahalingam College of Engineering and Technology, Pollachi – 642003, India
Department of Mechanical Engineering, Sri Krishna College of Engineering and Technology, Coimbatore – 642003, India