The influence of induction hardening on the impact wear resistance of compacted graphite iron (CGI)

SLATTER, T., LEWIS, R and JONES, A. H. (2011). The influence of induction hardening on the impact wear resistance of compacted graphite iron (CGI). Wear, 270 (3-4), p. 302.

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Link to published version:: 10.1016/j.wear.2010.11.003

Abstract

The aim of this work was to study the impact wear resistance of untreated and induction hardened compacted graphite iron (CGI). Testing was carried out on a bespoke impact wear test rig to look at the effect of the material properties, before and after hardening, on the level of wear. Three different types of specimen were tested; untreated CGI, CGI induction hardened to a nominal depth of 2 mm and CGI induction hardened to a nominal depth of 3 mm. Worn specimens were measured, optically and directly, and then analysed to characterise the likely wear mechanisms and wear debris. The induction hardening improved the impact wear resistance of the compacted graphite iron and when compared to the laser hardened cast iron it performed much better. Considering the proportion of wear in the valve and valve seat contact that is due to impact wear, it is likely that locally induction hardening a compacted graphite iron cylinder head could be a method of controlling the level of valve recession. © 2010 Elsevier B.V.

Item Type: Article
Research Institute, Centre or Group: Materials and Engineering Research Institute > Thin Films Research Centre > Nanotechnology Centre for PVD Research
Identification Number: 10.1016/j.wear.2010.11.003
Depositing User: Ann Betterton
Date Deposited: 17 Jan 2011 15:04
Last Modified: 28 Jun 2013 13:43
URI: http://shura.shu.ac.uk/id/eprint/2977

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