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Multi-scale study of initial tool wear on textured alumina coating, and the effect of inclusions in low-alloyed steel
Sandvik Coromant Västberga.
Sandvik Coromant Västberga.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Applied Materials Sciences.ORCID iD: 0000-0002-0999-3569
Sandvik Coromant Västberga.
2016 (English)In: Tribology International, ISSN 0301-679X, E-ISSN 1879-2464, Vol. 100, 204-212 p.Article in journal (Refereed) Published
Abstract [en]

When turning low-alloyed steel with hard inclusions, scores and grooves have been observed in the wear of the alumina coating in CVD coated cutting tools. This study focuses on detailed understanding of flank wear in the textured alumina coating and the relation to the workpiece's inclusions. For chip formation studies, a quick stop device has been used. A topography analysis for the worn coating was performed in the micro scale. Studies at lower scales were performed using TEM. This allowed the study of wear on the coating crystalline structure and the embedment of workpiece material on its surface. Based on the results, the mechanism behind the initial wear was analyzed and an abrasion wear model is proposed.

Place, publisher, year, edition, pages
2016. Vol. 100, 204-212 p.
Keyword [en]
Coating, Particles, Abrasive, Machining, TEM
National Category
Research subject
Engineering Science with specialization in Tribo Materials
URN: urn:nbn:se:uu:diva-285904DOI: 10.1016/j.triboint.2016.01.021ISI: 000379279600024OAI: oai:DiVA.org:uu-285904DiVA: diva2:921319
Available from: 2016-04-20 Created: 2016-04-20 Last updated: 2016-08-09Bibliographically approved

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