Effect of surface roughness on the fretting fatigue behaviour of EN45A spring steel-Reference-Cited by-同舟云学术

Effect of surface roughness on the fretting fatigue behaviour of EN45A spring steel

Published:2006-08-01 Issue:8 Volume:220 Page:1325-1331
ISSN:0954-4054
Container-title:Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture
language:en
Short-container-title:Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture

Author:

Aggarwal M L¹,Khan R A²,Agrawal V P³

Affiliation:

1. Mechancial Engineering Department, YMCA Institute of Engineering, Faridabad, India

2. Mechanical Engineering Department, Jamia Millia Islamia, New Delhi, India

3. Mechanical Engineering Department, BITS-Pilani, Goa, India

Abstract

Much research has been carried out to improve the fatigue strength of materials in general and leaf springs in particular by creating a compressive residual stress field of their surface layers through shot peening. The phenomenon of surface roughness is important when considering contact between metallic bodies. The effect of shot flowrate on surface roughness was identified. Full-scale laboratory testing of EN45A spring steel leaf springs was carried out using an electrohydraulic testing system to show the extent of improvement in fatigue life due to shot peening. Double shot peening was performed on leaf springs and its effects on surface roughness, compressive residual stress field, and fretting fatigue were noted. The surface roughness model is in accordance with the experimental results.

Publisher

SAGE Publications

Subject

Industrial and Manufacturing Engineering,Mechanical Engineering

Link

http://journals.sagepub.com/doi/pdf/10.1243/09544054JEM299

Reference10 articles.

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