Journal of Advanced Mechanical Design, Systems, and Manufacturing Vol. 11(2017) No. 3

Papers

MTS model based force prediction for machining of Ti-6Al-4V

Zhipeng PAN, Donald S. SHIH, Hamid GARMESTANI, Anthony D. ROLLETT, Steven Y. LIANG

Released: July 26, 2017

JAMDSM0033

The high temperature and severe plastic deformation could promote workpiece material microstructure evolution in the machining process. The material mechanical properties are functions of the material microstructure attributes. Traditional material flow stress model approximates the material mechanical behavior at a continuum level by ignoring the microstructure effects. In the current study, a microstructure based mechanical threshold stress (MTS) model is proposed for the machining process application. The MTS model takes the material grain boundary and dislocation resistance into account. Within both the analytical and FEA machining process modeling framework, the MTS model is implemented for the machining forces prediction. The validation of the MTS application into machining forces prediction are conducted by comparison with experimental results. Good agreement is found between the experiment and prediction. Additionally, slight force prediction improvement is observed by comparing with the traditional Johnson-cook flow stress model.

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Journal of Advanced Mechanical Design, Systems, and Manufacturing

Journal of Advanced Mechanical Design, Systems, and Manufacturing Vol. 11(2017) No. 3

Papers

MTS model based force prediction for machining of Ti-6Al-4V

System Maintenance

Announcement From J-STAGE

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Volume And Issue List Journal of Advanced Mechanical Design, Systems, and Manufacturing

Journal of Advanced Mechanical Design, Systems, and Manufacturing Vol. 11(2017) No. 3

Papers

MTS model based force prediction for machining of Ti-6Al-4V

System Maintenance

Announcement From J-STAGE

Journal Tools

Share this Title

Volume And Issue List
Journal of Advanced Mechanical Design, Systems, and Manufacturing