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Flank wear characteristics of WC-Co tools when turning Alloy 718 with high-pressure coolant supply
Chalmers University of Technology, Department of Industrial and Materials Science,Gothenburg, Sweden.
Chalmers University of Technology, Department of Industrial and Materials Science,Gothenburg, Sweden.
University West, Department of Engineering Science, Division of Subtractive and Additive Manufacturing. (PTW)ORCID iD: 0000-0002-0895-3303
University West, Department of Engineering Science, Division of Subtractive and Additive Manufacturing. (PTW)
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2017 (English)In: Journal of Manufacturing Processes, ISSN 1526-6125, Vol. 30, no Supplement C, 116-123 p.Article in journal (Refereed) Published
Abstract [en]

In the present study, the tool wear mechanisms of uncoated cemented tungsten carbide (WC-Co) tools during machining Alloy 718 with high-pressure coolant supply are investigated. Worn flank faces are analyzed by scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDX). With increasing spiral cutting length, larger areas on the tool surface are subjected to erosion of Co-binder by the coolant jet impact. Moreover, the amount and morphology of workpiece-precipitates adhered on worn flank surfaces are influenced significantly by the extent of flank wear land (due to increasing spiral cutting length). The reasons for the obtained results are addressed with respect to the underlying mechanisms. Possible implications for the tool wear behavior are discussed.

Place, publisher, year, edition, pages
2017. Vol. 30, no Supplement C, 116-123 p.
Keyword [en]
Wear mechanisms, High-pressure jet assisted machining, Cemented tungsten carbide, Alloy 718, Erosion, Co-capping
National Category
Manufacturing, Surface and Joining Technology
Research subject
ENGINEERING, Manufacturing and materials engineering; Production Technology
Identifiers
URN: urn:nbn:se:hv:diva-11802DOI: 10.1016/j.jmapro.2017.09.017Scopus ID: 2-s2.0-85029704988OAI: oai:DiVA.org:hv-11802DiVA: diva2:1159667
Note

Available online 22 September 2017.

Available from: 2017-11-23 Created: 2017-11-23 Last updated: 2017-12-05Bibliographically approved

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Tamil Alagan, NageswaranBeno, Tomas

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