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Abrasion resistance of lamellar graphite iron: Interaction between microstructure and abrasive particles
Department of Materials and Manufacturing, School of Engineering, Jönköping University, Sweden.ORCID iD: 0000-0003-2698-5445
Swerea SWECAST, Jönköping, Sweden.
Department of Materials and Manufacturing, School of Engineering, Jönköping University, Sweden.ORCID iD: 0000-0002-7527-719X
Department of Materials and Manufacturing, School of Engineering, Jönköping University, Sweden.ORCID iD: 0000-0003-0899-8939
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2018 (English)In: Tribology International, ISSN 0301-679X, E-ISSN 1879-2464, Vol. 120, p. 465-475Article in journal (Refereed) Published
Abstract [en]

This study focuses on abrasion resistance of Lamellar Graphite Iron (LGI) using microscratch test under constant and progressive load conditions. The interactions between a semi-spherical abrasive particle, cast iron matrix and graphite lamellas were physically simulated using a sphero-conical indenter. The produced scratches were analysed using LOM and SEM to scrutinise the effect of normal load on resulting scratch depth, width, frictional force, friction coefficient and deformation mechanism of matrix during scratching. Results showed a significant matrix deformation, and change both in frictional force and friction coefficient by increase of scratch load. Furthermore, it was shown how abrasive particles might produce deep scratches with severe matrix deformation which could result in graphite lamella's coverage and thereby deteriorate LGI's abrasion resistance.

Place, publisher, year, edition, pages
Elsevier, 2018. Vol. 120, p. 465-475
Keywords [en]
Lamellar graphite cast iron, Abrasion resistance, Scratch test, Microstructure, Pearlite deformation, Metallurgy and Metallic Materials
National Category
Metallurgy and Metallic Materials Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Identifiers
URN: urn:nbn:se:his:diva-19104DOI: 10.1016/j.triboint.2017.12.046ISI: 000428102900046Scopus ID: 2-s2.0-85041480396OAI: oai:DiVA.org:his-19104DiVA, id: diva2:1470368
Note

©2018 Elsevier Ltd. All rights reserved. The RightsLink Digital Licensing and Rights Management Service (including RightsLink for Open Access) is available (A) to users of copyrighted works found at the websites of participating publishers who are seeking permissions or licenses to use those works, and (B) to authors of articles and other manuscripts who are seeking to pay author publication charges in connection with the submission of their works to publishers

Available from: 2020-09-24 Created: 2020-09-24 Last updated: 2022-11-02Bibliographically approved

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Ghasemi, RohollahSalomonsson, Kent

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Ghasemi, RohollahGhassemali, EhsanSalomonsson, KentJarfors, Anders E. W.
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Tribology International
Metallurgy and Metallic MaterialsTribology (Interacting Surfaces including Friction, Lubrication and Wear)

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