Journal
CIRP ANNALS-MANUFACTURING TECHNOLOGY
Volume 64, Issue 1, Pages 53-56Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cirp.2015.04.080
Keywords
Machining; Deformation; Finite element method (FEM)
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Strain distributions in the machined surface and subsurface of OFHC copper workpieces were determined experimentally and through numerical simulations. An experimental setup, comprising a double frame camera and a pulsed laser, was developed to measure the displacement fields using the digital image correlation (DIC) technique; strain distributions were then calculated. A numerical orthogonal cutting model was also developed and applied in order to predict such distributions. Comparison between simulated and measured results enabled an understanding of the fundamental mechanisms of plastic deformation of the machined surface of OFHC copper. (C) 2015 CIRP.
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