Cutting Force Model for Heat Assisted Titanium Alloy Milling

Chang Yi Liu

doi:10.4028/www.scientific.net/AMR.887-888.1191

Paper Titles

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Cutting Performance of TiB₂/WC/h-BN Micro/nano Composite Gradient Self-Lubricating Ceramic Tool when Machining Carbon Steel
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 887-888Cutting Force Model for Heat Assisted Titanium...

Cutting Force Model for Heat Assisted Titanium Alloy Milling

Abstract:

Thermal energy sources have been applied for softening the difficult-to-machine material when it is combined with conventional machining processes. Cutting forces has been reduced during the process. To investigate the plastic deformation property of workpiece materials heated by thermal sources, and its influence to the cutting forces, the analytical model of orthogonal cutting is established. The impact of cutting speed and initial temperature of the shear banding to the cutting forces are taken account of, based on adiabatic shear banding model and Johnson-Cook material constitutive law. The shear banding average shear stress failure criteria has been proposed to decide the fracture between workpiece and chip. Simulation has been carried out and compared with experimental data of laser-heat assisted titanium alloy milling, showing good agreement.

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Periodical:

Advanced Materials Research (Volumes 887-888)

Pages:

1191-1194

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.887-888.1191

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Online since:

February 2014

Authors:

Chang Yi Liu*

Keywords:

Cutting Force, Failure Criteria, Heat Assisted Cutting, Milling, Titanium

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