OPTIMIZATION OF JOHNSON-COOK PARAMETERS IN FINITE ELEMENT SIMULATION OF HIGH-SPEED CUTTING TI-6AL-4 V ALLOY: Fid-Bau Portal

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OPTIMIZATION OF JOHNSON-COOK PARAMETERS IN FINITE ELEMENT SIMULATION OF HIGH-SPEED CUTTING TI-6AL-4 V ALLOY

LI XinJian / YE GuiGen / WANG ZhiMin / XUE ShiFeng / ZHANG Yi

In order to obtain the Johnson-Cook（J-C） constitutive parameters that can exactly reflect the plastic flow behavior of the workpiece material under the coupling effect of high temperature, high strain rate and large deformation occurred in high-speed cutting, and make it to suitable for the high-speed cutting simulation. The J-C parameters of Ti-6 Al-4 V was optimized with using the response surface approximation and multi-objective optimization methods to apply it to high-speed cutting simulation. Results show that the optimized constitutive parameters could describe the plastic flow behavior of the workpiece material accurately in a wide range of cutting speeds, and the simulated chip morphologies and the average cutting forces are in good agreement with the experimental results.

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OPTIMIZATION OF JOHNSON-COOK PARAMETERS IN FINITE ELEMENT SIMULATION OF HIGH-SPEED CUTTING TI-6AL-4 V ALLOY

LI XinJian / YE GuiGen / WANG ZhiMin / XUE ShiFeng / ZHANG Yi

In order to obtain the Johnson-Cook（J-C） constitutive parameters that can exactly reflect the plastic flow behavior of the workpiece material under the coupling effect of high temperature, high strain rate and large deformation occurred in high-speed cutting, and make it to suitable for the high-speed cutting simulation. The J-C parameters of Ti-6 Al-4 V was optimized with using the response surface approximation and multi-objective optimization methods to apply it to high-speed cutting simulation. Results show that the optimized constitutive parameters could describe the plastic flow behavior of the workpiece material accurately in a wide range of cutting speeds, and the simulated chip morphologies and the average cutting forces are in good agreement with the experimental results.

OPTIMIZATION OF JOHNSON-COOK PARAMETERS IN FINITE ELEMENT SIMULATION OF HIGH-SPEED CUTTING TI-6AL-4 V ALLOY

LI XinJian / YE GuiGen / WANG ZhiMin / XUE ShiFeng / ZHANG Yi

In order to obtain the Johnson-Cook（J-C） constitutive parameters that can exactly reflect the plastic flow behavior of the workpiece material under the coupling effect of high temperature, high strain rate and large deformation occurred in high-speed cutting, and make it to suitable for the high-speed cutting simulation. The J-C parameters of Ti-6 Al-4 V was optimized with using the response surface approximation and multi-objective optimization methods to apply it to high-speed cutting simulation. Results show that the optimized constitutive parameters could describe the plastic flow behavior of the workpiece material accurately in a wide range of cutting speeds, and the simulated chip morphologies and the average cutting forces are in good agreement with the experimental results.

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Title:

OPTIMIZATION OF JOHNSON-COOK PARAMETERS IN FINITE ELEMENT SIMULATION OF HIGH-SPEED CUTTING TI-6AL-4 V ALLOY

Contributors:

LI XinJian (author) / YE GuiGen (author) / WANG ZhiMin (author) / XUE ShiFeng (author) / ZHANG Yi (author)

Published in:

Jixie qiangdu, Vol 44, Pp 474-479 (2022)

Publication date:

2022

ISSN:

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

Unknown

Keywords:

High-speed cutting , Ti-6Al-4V alloy , Johnson-Cook constitutive model , Response surface method , Mechanical engineering and machinery , TJ1-1570 , Materials of engineering and construction. Mechanics of materials , TA401-492

Metadata by DOAJ is licensed under CC BY-SA 1.0

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