Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/27904
Title: Finite element modelling of shear angle and cutting force variation induced by material anisotropy in ultra-precision diamond turning
Authors: Lee, WB 
Wang, H
Chan, CY
To, S 
Keywords: Crystal plasticity
Cutting force variation
Finite element modeling
Shear angle
Ultra-precision machining
Issue Date: 2013
Source: International journal of machine tools and manufacture, 2013, v. 75, p. 82-86 How to cite?
Journal: International Journal of Machine Tools and Manufacture 
Abstract: This paper addresses a key theoretical problem in the mechanics of ultra-precision machining - shear angle prediction and cutting force variation induced by crystallographic anisotropy. The constitutive equation of crystal plasticity is implemented in the finite element modelling of the chip formation at micro-scale to take into account the effect of crystallographic orientations of the work piece to be cut. The theoretical prediction of shear angle and cutting force variation reveals two distinguished phases of pre-compression and steady-state cutting in ultra-precision diamond turning. The predicted patterns of cutting force variation are in good agreement with published experimental results.
URI: http://hdl.handle.net/10397/27904
ISSN: 0890-6955
DOI: 10.1016/j.ijmachtools.2013.09.007
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