Determination of the Flow Stress of Ti6Al4V Based on Cutting Experiment and Optimization

Yue Feng Yuan; Wu Yi Chen; Dong Liu

doi:10.4028/www.scientific.net/KEM.407-408.533

Paper Titles

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 407-408Determination of the Flow Stress of Ti6Al4V Based...

Determination of the Flow Stress of Ti6Al4V Based on Cutting Experiment and Optimization

Abstract:

A methodology to determine the flow stress of material was presented and Johnson–Cook (JC) constitutive model of titanium alloy Ti6Al4V was obtained based on cutting experiment and optimization. This JC model was verified by comparison between simulations with different JC models respectively and experiment. It showed that the accuracy of simulation of cutting force has an increase and the new model is more suitable for cutting simulations. This simple method could improve the accuracy and reliability of the cutting simulation, and could be used to establish the constitutive model of workpiece with more accuracy.

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Key Engineering Materials (Volumes 407-408)

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533-537

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.407-408.533

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Online since:

February 2009

Authors:

Yue Feng Yuan, Wu Yi Chen, Dong Liu

Keywords:

Cutting Simulation, Flow Stress, Optimization

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