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Abrasion resistance of lamellar graphite iron: Interaction between microstructure and abrasive particles
Högskolan i Jönköping, Tekniska Högskolan, JTH, Material och tillverkning.ORCID-id: 0000-0003-2698-5445
Swerea SWECAST, Jönköping, Sweden.
Högskolan i Jönköping, Tekniska Högskolan, JTH, Material och tillverkning.ORCID-id: 0000-0002-7527-719X
Högskolan i Jönköping, Tekniska Högskolan, JTH, Material och tillverkning.ORCID-id: 0000-0003-0899-8939
Vise andre og tillknytning
2018 (engelsk)Inngår i: Tribology International, ISSN 0301-679X, E-ISSN 1879-2464, Vol. 120, s. 465-475Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
Elsevier, 2018. Vol. 120, s. 465-475
Emneord [en]
Lamellar graphite cast iron; Abrasion resistance; Scratch test; Microstructure; Pearlite deformation
HSV kategori
Identifikatorer
URN: urn:nbn:se:hj:diva-38473DOI: 10.1016/j.triboint.2017.12.046ISI: 000428102900046Scopus ID: 2-s2.0-85041480396OAI: oai:DiVA.org:hj-38473DiVA, id: diva2:1173419
Tilgjengelig fra: 2018-01-12 Laget: 2018-01-12 Sist oppdatert: 2019-02-15bibliografisk kontrollert

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Ghasemi, RohollahGhassemali, EhsanSalomonsson, KentJarfors, Anders E.W.

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