A Novel Low-Density, High-Hardness, High-entropy Alloy with Close-packed Single-phase Nanocrystalline Structures

Khaled M. Youssef; Alexander J. Zaddach; Changning Niu; Douglas L. Irving; Carl C. Koch

doi:10.1080/21663831.2014.985855

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A Novel Low-Density, High-Hardness, High-entropy Alloy with Close-packed Single-phase Nanocrystalline Structures

Original Reports | 更新时间：2026-08-19

- A Novel Low-Density, High-Hardness, High-entropy Alloy with Close-packed Single-phase Nanocrystalline Structures
- Materials Research Letters Vol. 3, Issue 2, Pages: 95-99(2015)
- 作者机构：
  
  1. Department of Materials Science and Technology Qatar University PO Box,2713
  2. Department of Materials Science and Engineering North Carolina State University Raleigh
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2014.985855
  CLC：
- Online First：09 December 2014，
  
  Published：2015
- 稿件说明：
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Khaled M. Youssef, Alexander J. Zaddach, Changning Niu, et al. A Novel Low-Density, High-Hardness, High-entropy Alloy with Close-packed Single-phase Nanocrystalline Structures[J]. Materials Research Letters, 2015, 3(2): 95-99.
DOI：

Khaled M. Youssef, Alexander J. Zaddach, Changning Niu, et al. A Novel Low-Density, High-Hardness, High-entropy Alloy with Close-packed Single-phase Nanocrystalline Structures[J]. Materials Research Letters, 2015, 3(2): 95-99. DOI： 10.1080/21663831.2014.985855.

摘要

Abstract

low-density

nanocrystalline high-entropy alloy

was produced by mechanical alloying. It formed a single-phase fcc structure during ball milling and transformed to single-phase hcp upon annealing. The alloy has an estimated strength-to-weight ratio that is significantly higher than other nanocrystalline alloys and is comparable to ceramics. High hardness is retained after annealing.

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Related Institution

Department of Mechanical and Aerospace Engineering University of Central Florida Orlando

a Key Laboratory of Multifunctional Nanomaterials and Smart Systems Division of Advanced Materials Suzhou Institute of Nano-Tech and Nano-Bionics Chinese Academy of Sciences Suzhou People’s Republic of China

b Institute of Microstructure and Property of Advanced Materials Beijing University of Technology

c Department of Material Physics and Chemistry University of Science and Technology Beijing

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