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Modeling Subsurface Deformation Induced by Machining of Inconel 718
(Dept of Mechancal Engineering, Lund University, Sweden)
(Dept of Mechancal Engineering, Lund University, Sweden)
(Dept of Mechancal Engineering, Lund University, Sweden)
Linköping University, Department of Management and Engineering, Engineering Materials. Linköping University, Faculty of Science & Engineering.
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2017 (English)In: Machining science and technology, ISSN 1091-0344, E-ISSN 1532-2483, Vol. 21, no 1, 103-120 p.Article in journal (Refereed) Published
Abstract [en]

Traditionally, the development and optimization of the machining process with regards to the subsurface deformation are done through experimental method which is often expensive and time consuming. This article presents the development of a finite element model based on an updated Lagrangian formulation. The numerical model is able to predict the depth of subsurface deformation induced in the high- speed machining of Inconel 718 by use of a whisker-reinforced ceramic tool. The effect that the different cutting parameters and tool microgeometries has on subsurface deformation will be investigated both numerically and experimentally. This research article also addresses the temperature distribution in the workpiece and the connection it could have on the wear of the cutting tool. The correlation of the numerical and experimental investigations for the subsurface deformation has been measured by the use of the coefficient of determination, R2. This confirms that the finite element model developed here is able to simulate this type of machining process with sufficient accuracy.

Place, publisher, year, edition, pages
Taylor & Francis Group, 2017. Vol. 21, no 1, 103-120 p.
Keyword [en]
FEM, Inconel 718, Machining, Subsurface deformation
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:liu:diva-137234DOI: 10.1080/10910344.2016.1260432OAI: oai:DiVA.org:liu-137234DiVA: diva2:1094194
Available from: 2017-05-09 Created: 2017-05-09 Last updated: 2017-05-18Bibliographically approved

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