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Erosive and abrasive wear performance of carbide free bainitic steels: comparison of field and laboratory experiments
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0002-9100-7982
Tampere University of Technology, Department of Materials Science, Tampere Wear Center.
Tampere University of Technology, Department of Materials Science, Tampere Wear Center.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
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2016 (English)In: Tribology International, ISSN 0301-679X, E-ISSN 1879-2464, Vol. 98, p. 108-115Article in journal (Refereed) Published
Abstract [en]

Carbide free bainitic (CFB) steels have been tested in two heat treated conditions and compared with currently used quenched and tempered (QT) steel in an industrial mining application subjected to erosive-abrasive wear. A conventional sliding abrasion and a new application oriented high-stress erosion wear tests were performed in laboratory. The results of the erosion and the field tests were compared. The microstructural changes were investigated by optical and scanning electron microscopy. The hardness and hardness profiles of the steels were measured. The results showed that in the laboratory tests, the abrasion and erosion wear rates of the CFB steels were 35 and 45% lower respectively in comparison to the QT steel. In the field test, the mass losses of the CFB steels were about 80% lower in comparison with the QT steel. The improved wear resistance of the CFB steel can be explained by its higher hardness and higher work hardening. The erosion wear test was able to simulate the work hardening effect and the wear mechanisms observed in the field test samples.

Place, publisher, year, edition, pages
2016. Vol. 98, p. 108-115
National Category
Other Materials Engineering
Research subject
Engineering Materials
Identifiers
URN: urn:nbn:se:ltu:diva-11083DOI: 10.1016/j.triboint.2016.02.015ISI: 000374426000012Scopus ID: 2-s2.0-84960111003Local ID: 9fe58f5c-6aef-4feb-99e1-516f5af93af6OAI: oai:DiVA.org:ltu-11083DiVA, id: diva2:984032
Note

Validerad; 2016; Nivå 2; 20160222 (andbra)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Vuorinen, Esa

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