Finite Element Investigation of the Influence of Thermophysical Parameters on Segmented Chip Formation during High Speed Cutting

You Xi Lin; Cong Ming Yan

doi:10.4028/www.scientific.net/AMM.130-134.2817

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 130-134Finite Element Investigation of the Influence of...

Finite Element Investigation of the Influence of Thermophysical Parameters on Segmented Chip Formation during High Speed Cutting

Abstract:

A 2D fully thermal mechanical coupled finite element model is applied to study the influence of material parameters on serrate chip formation during high speed cutting process. The serrated chip formation during high speed machining was predicted. Of interests are the effects of thermal conductivity, specific heat and density. Results showed significant influence of these thermophysical parameters on the serrated chip phenomena, especially in the case of the density. Increasing thermal conductivity specific heat and density lead to a decreasing degree of segmentation. The influence of the thermal conductivity on the cutting force and the specific heat on maximum temperatures in the shear band is also discussed.

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Periodical:

Applied Mechanics and Materials (Volumes 130-134)

Pages:

2817-2821

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.130-134.2817

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Online since:

October 2011

Authors:

You Xi Lin, Cong Ming Yan

Keywords:

Finite Element, High-Speed Cutting, Segmented Chip, Thermophysical Parameters

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