Integrated process of laser-assisted machining and laser surface heat treatment

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DOIResolve DOI: http://doi.org/10.1115/1.4025832
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TypeArticle
Journal titleJournal of Manufacturing Science and Engineering, Transactions of the ASME
ISSN1087-1357
Volume135
Issue6
Article number61021
SubjectEmpirical model; Hardenability; Hardened depth; Laser surface heat treatments; Laser-assisted machining; Micro-structure evolutions; Numerical investigations; Process parameters; Finite element method; Microstructure; Laser beam welding
AbstractA process is proposed for integrating the laser-assisted machining (LAM) and laser surface heat treatment (LSHT) in a single operation. Experimental and numerical investigations were carried out. LSHT tests were performed to investigate the effect of the process parameters on the microstructure evolution and hardenability. A methodology and an empirical model for prediction of hardened depth were proposed. A two-dimensional finite element (2D-FE) model was developed to predict the phase transformation during the LAM and LSHT processes. The optimization of the LAM process was also investigated using the developed finite element model. Copyright © 2013 by ASME.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); Aerospace (AERO-AERO)
Peer reviewedYes
NPARC number21270939
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Record identifiera1c0c6d6-b3a1-4e6d-a6f1-cb3119b33fcb
Record created2014-02-18
Record modified2016-05-09
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