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Identification and Validation of Marusich’s Constitutive Law for Finite Element Modeling of High Speed Machining

[+] Author Affiliations
Walid Jomaa, Monzer Daoud, Victor Songmene, Philippe Bocher, Jean-François Châtelain

École de Technologie Supérieure, Montréal, QC, Canada

Paper No. IMECE2014-39503, pp. V02AT02A057; 6 pages
doi:10.1115/IMECE2014-39503
From:
  • ASME 2014 International Mechanical Engineering Congress and Exposition
  • Volume 2A: Advanced Manufacturing
  • Montreal, Quebec, Canada, November 14–20, 2014
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4643-8
  • Copyright © 2014 by ASME

abstract

This study aims to identify the coefficients of Marusich’s constitutive equation (MCE) for the aluminum AA7075-T651. Material constants were identified inversely form orthogonal machining tests and from dynamic tests. The proposed material model was successfully implemented in a finite element model (FEM) to simulate the high speed machining of the aluminum AA7075-T6. Deform 2D® software was used. A reasonable agreement between predictions and experiments was obtained. The comparison was based on cutting forces, chip morphology, and tool/chip contact length.

Copyright © 2014 by ASME

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