2023
DOI: 10.3390/met13121992
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Modification of Johnson–Cook Constitutive Parameters in Ball Burnish Simulation of 7075-T651 Aluminum Alloy

Danqing Yin,
Haoqi Zhao,
Yunfeng Chen
et al.

Abstract: The Johnson–Cook model is widely used because of its ability to meet the simulation material requirements in various situations. However, under different working conditions, the accuracy of the model may have errors. In this work, based on Abaqus (Abaqus R2022 Education Edition, Dassault Systèmes, Paris, France) simulation software, Johnson–Cook (JC) constitutive model parameters and compression parameters were selected to simulate the improvement of surface roughness during the ball milling of a 7075-T651 alu… Show more

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Cited by 6 publications
(1 citation statement)
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“…The constants for the J-C constitutive equation were determined through experimental testing, including uniaxial tensile test and Split-Hopkinson pressure bar (SHPB) tests. The J-C constitutive equation can describe the flow stress under the deferent conditions of large deformation, high strain rate, and elevated temperatures [26]. The flow stress model is expressed as follows [27]:…”
Section: Fem Simulationmentioning
confidence: 99%
“…The constants for the J-C constitutive equation were determined through experimental testing, including uniaxial tensile test and Split-Hopkinson pressure bar (SHPB) tests. The J-C constitutive equation can describe the flow stress under the deferent conditions of large deformation, high strain rate, and elevated temperatures [26]. The flow stress model is expressed as follows [27]:…”
Section: Fem Simulationmentioning
confidence: 99%