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Abrasive Wear of Compacted Graphite Cast Iron with Added Tin
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.). (Systems and Component Design)ORCID iD: 0000-0001-7560-6232
2019 (English)In: Metallography, Microstructure, and Analysis, ISSN 2192-9262, Vol. 8, no 1, p. 67-71Article in journal (Refereed) Published
Abstract [en]

The abrasive wear behavior of traditional compacted graphite cast iron (CGI) and compacted graphite cast iron with 0.1% tin addition (CGI-Sn) is studied using a pin-on-disk tribometer. The microstructures of these two CGIs were observed by optical microscopy and scanning electron microscopy. The results show that Sn reduces the average size of vermicular graphite and promotes the generation of pearlite. Sn narrows the average lamellar spacing of pearlite. In the wear tests, CGI-Sn yields a decreased wear loss by 16.5% compared with CGI. Both CGI and CGI-Sn show typical abrasive worn morphology, while CGI presents a more severe wear condition in which large fragmentations can be seen. Under the current test condition, Sn is likely to improve the abrasive wear resistance of compacted graphite iron. Further studies of the specific working conditions are needed, such as testing against frictional material in braking systems, to check the validity of the findings.

Place, publisher, year, edition, pages
Springer, 2019. Vol. 8, no 1, p. 67-71
Keywords [en]
Cast iron, Wear, Microstructure, Sn, Vermicular graphite, Brake disk
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:kth:diva-245928DOI: 10.1007/s13632-018-0504-8ISI: 000459432100007Scopus ID: 2-s2.0-85061994808OAI: oai:DiVA.org:kth-245928DiVA, id: diva2:1295265
Note

QC 20190311

Available from: 2019-03-11 Created: 2019-03-11 Last updated: 2019-03-11Bibliographically approved

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Lyu, Yezhe

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