A molecular dynamics study on the Mie-Grüneisen equation-of-state and high strain-rate behavior of equiatomic CoCrFeMnNi

James A. Stewart; Jacob K. Startt; Remi Dingreville

doi:10.1080/21663831.2023.2280635

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A molecular dynamics study on the Mie-Grüneisen equation-of-state and high strain-rate behavior of equiatomic CoCrFeMnNi

Original Reports | 更新时间：2026-08-19

- A molecular dynamics study on the Mie-Grüneisen equation-of-state and high strain-rate behavior of equiatomic CoCrFeMnNi
- A molecular dynamics study on the Mie-Grüneisen equation-of-state and high strain-rate behavior of equiatomic CoCrFeMnNi
- 材料研究快报（英文） 2023年11卷第12期页码：1055-1062
- 作者机构：
  
  1. a Explosives Research and Development Sandia National Laboratories Albuquerque
  2. b Center for Integrated Nanotechnologies Sandia National Laboratories Albuquerque
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2023.2280635
  中图分类号：
- 网络首发：2023-11-14，
  
  纸质出版：2023
- 稿件说明：
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James A. Stewart, Jacob K. Startt, Remi Dingreville. A molecular dynamics study on the Mie-Grüneisen equation-of-state and high strain-rate behavior of equiatomic CoCrFeMnNi[J]. 材料研究快报（英文）, 2023,11(12):1055-1062.

James A. Stewart, Jacob K. Startt, Remi Dingreville. A molecular dynamics study on the Mie-Grüneisen equation-of-state and high strain-rate behavior of equiatomic CoCrFeMnNi[J]. Materials Research Letters, 2023, 11(12): 1055-1062.
James A. Stewart, Jacob K. Startt, Remi Dingreville. A molecular dynamics study on the Mie-Grüneisen equation-of-state and high strain-rate behavior of equiatomic CoCrFeMnNi[J]. 材料研究快报（英文）, 2023,11(12):1055-1062. DOI： 10.1080/21663831.2023.2280635.

James A. Stewart, Jacob K. Startt, Remi Dingreville. A molecular dynamics study on the Mie-Grüneisen equation-of-state and high strain-rate behavior of equiatomic CoCrFeMnNi[J]. Materials Research Letters, 2023, 11(12): 1055-1062. DOI： 10.1080/21663831.2023.2280635.

摘要

Abstract

Through atomistic simulations

we uncover the dynamic properties of the Cantor alloy under shock-loading conditions and characterize its equation-of-state over a wide range of densities and pressures along with spall strength at ultra-high strain rates. Simulation results reveal the role of local phase transformations during the development of the shock wave on the alloy's high spall strength. The simulated shock Hugoniot results are in remarkable agreement with experimental data

validating the predictability of the model. These mechanistic insights along with the quantification of dynamical properties can drive further advancements in various applications of this class of alloys under extreme environments.

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相关机构

a Department of Material Science and Engineering University of North Texas Denton

b Department of Mechanical Engineering University of North Texas Denton

Beijing Advanced Innovation Center for Materials Genome Engineering State Key Laboratory for Advanced Metals and Materials University of Science and Technology Beijing

School of Materials Science and Engineering Beijing Institute of Technology

ray Science Division Argonne National Laboratory Argonne

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