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Microstructure, mechanical and fretting wear properties of TiC-stainless steel composites
Institute of Powder Metallurgy, School of Materials Science, University of Science and Technology Beijing, 30 Xue Yuan Road, 100083, Beijing.ORCID iD: 0000-0003-4888-6237
Institute of Powder Metallurgy, School of Materials Science, University of Science and Technology Beijing, 30 Xue Yuan Road, 100083, Beijing.
2008 (English)In: Materials Characterization, ISSN 1044-5803, E-ISSN 1873-4189, Vol. 59, no 1, p. 84-90Article in journal (Refereed) Published
Abstract [en]

This study deals with the processing, microstructure, and wear behavior of TiC-reinforced stainless steel matrix composites, containing 50 to 70 wt.% TiC. Powder technology was used to successfully fabricate the composites. The microstructure of the composite was characterized by scanning electron microscopy. The microstructural study revealed that the TiC particles were distributed uniformly in the steel matrix phase. Interface debonding and microcracks were not observed in the composite. The composite hardness increased with TiC content. The fretting wear resistance of the composites was studied against high speed steel. The wear mechanisms are discussed by means of microscopical observations on the worn surfaces. The wear was severe at higher wear loads and lower TiC content. Microplowing of the stainless steel matrix was found to be the dominant wear mechanism. Heavy microplowing and rapid removal of material from the wear surface was observed at high wear load. The variation of wear loss with volume fraction and mean free path of the binder phase is also reported

Place, publisher, year, edition, pages
2008. Vol. 59, no 1, p. 84-90
National Category
Other Materials Engineering
Research subject
Engineering Materials
Identifiers
URN: urn:nbn:se:ltu:diva-5858DOI: 10.1016/j.matchar.2006.10.021Local ID: 40c8f9ee-642e-4f82-b1f1-728391cb5ac0OAI: oai:DiVA.org:ltu-5858DiVA, id: diva2:978734
Note
Upprättat; 2008; 20150416 (farakh)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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