Constitutive modeling of deformation behavior of high-entropy alloys with face-centered cubic crystal structure

Min Ji Jang; Dong-Hyun Ahn; Jongun Moon; Jae Wung Bae; Dami Yim; Jien-Wei Yeh; Yuri Estrin; Hyoung Seop Kim

doi:10.1080/21663831.2017.1292325

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Constitutive modeling of deformation behavior of high-entropy alloys with face-centered cubic crystal structure

Original Report | 更新时间：2026-08-19

- Constitutive modeling of deformation behavior of high-entropy alloys with face-centered cubic crystal structure
- Constitutive modeling of deformation behavior of high-entropy alloys with face-centered cubic crystal structure
- 材料研究快报（英文） 2017年5卷第5期页码：350-356
- 作者机构：
  
  1. Department of Materials Science and Engineering Pohang University of Science and Technology (POSTECH),Pohang,Korea
  2. Center for High Entropy Alloys Pohang University of Science and Technology (POSTECH)
  3. Nuclear Materials Safety Research Division Korea Atomic Energy Research Institute (KAERI)
  4. Department of Materials Science and Engineering National Tsing Hua University
  5. Department of Materials Science & Engineering Monash University Clayton Australia
  6. Laboratory of Nanostructured Hybrid Materials NUST MISIS
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2017.1292325
  中图分类号：
- 网络首发：2017-02-21，
  
  纸质出版：2017
- 稿件说明：
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Min Ji Jang, Dong-Hyun Ahn, Jongun Moon, 等. Constitutive modeling of deformation behavior of high-entropy alloys with face-centered cubic crystal structure[J]. 材料研究快报（英文）, 2017,5(5):350-356.

Min Ji Jang, Dong-Hyun Ahn, Jongun Moon, et al. Constitutive modeling of deformation behavior of high-entropy alloys with face-centered cubic crystal structure[J]. Materials Research Letters, 2017, 5(5): 350-356.
Min Ji Jang, Dong-Hyun Ahn, Jongun Moon, 等. Constitutive modeling of deformation behavior of high-entropy alloys with face-centered cubic crystal structure[J]. 材料研究快报（英文）, 2017,5(5):350-356. DOI： 10.1080/21663831.2017.1292325.

Min Ji Jang, Dong-Hyun Ahn, Jongun Moon, et al. Constitutive modeling of deformation behavior of high-entropy alloys with face-centered cubic crystal structure[J]. Materials Research Letters, 2017, 5(5): 350-356. DOI： 10.1080/21663831.2017.1292325.

摘要

Abstract

BSTRACTA constitutive model based on the dislocation glide and deformation twinning is adapted to face-centered cubic high-entropy alloys (HEAs) as exemplified by the CrMnFeCoNi system. In this model

the total dislocation density is considered as the only internal variable

while the evolution equation describing its variation during plastic deformation is governed by the volume fraction of twinned material. The suitability of the model for describing the strain hardening behavior of HEAs was verified experimentally through compression tests on alloy CrMnFeCoNi and its microstructure characterization by electron backscatter diffraction and X-ray diffraction using synchrotron radiation.

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