On correlation between the hardness-to-strength ratio and the plastic Poisson's ratio of nanoporous gold

Ling-Zhi Liu; Ye-Yuan Zhang; Hai-Jun Jin

doi:10.1080/21663831.2023.2181717

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On correlation between the hardness-to-strength ratio and the plastic Poisson's ratio of nanoporous gold

Original Reports | 更新时间：2026-08-19

- On correlation between the hardness-to-strength ratio and the plastic Poisson's ratio of nanoporous gold
- On correlation between the hardness-to-strength ratio and the plastic Poisson's ratio of nanoporous gold
- 材料研究快报（英文） 2023年11卷第6期页码：454-461
- 作者机构：
  
  1. a Shenyang National Laboratory for Materials Science Institute of Metal Research Chinese Academy of Sciences
  2. a Shenyang National Laboratory for Materials Science Institute of Metal Research Chinese Academy of Sciences Shenyang People's Republic of China
  3. b School of Materials Science and Engineering University of Science and Technology of China
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2023.2181717
  中图分类号：
- 网络首发：2023-02-28，
  
  纸质出版：2023
- 稿件说明：
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Ling-Zhi Liu, Ye-Yuan Zhang, Hai-Jun Jin. On correlation between the hardness-to-strength ratio and the plastic Poisson's ratio of nanoporous gold[J]. 材料研究快报（英文）, 2023,11(6):454-461.

Ling-Zhi Liu, Ye-Yuan Zhang, Hai-Jun Jin. On correlation between the hardness-to-strength ratio and the plastic Poisson's ratio of nanoporous gold[J]. Materials Research Letters, 2023, 11(6): 454-461.
Ling-Zhi Liu, Ye-Yuan Zhang, Hai-Jun Jin. On correlation between the hardness-to-strength ratio and the plastic Poisson's ratio of nanoporous gold[J]. 材料研究快报（英文）, 2023,11(6):454-461. DOI： 10.1080/21663831.2023.2181717.

Ling-Zhi Liu, Ye-Yuan Zhang, Hai-Jun Jin. On correlation between the hardness-to-strength ratio and the plastic Poisson's ratio of nanoporous gold[J]. Materials Research Letters, 2023, 11(6): 454-461. DOI： 10.1080/21663831.2023.2181717.

摘要

Abstract

We report that hardness-to-strength ratio is not correlated with plastic Poisson's ratio in nanoporous gold

arguing against the Shaw–Sata relation. Instead

the hardness-to-strength ratio of nanoporous gold increases consistently with increasing rate of strain hardening. Furthermore

in samples with near-zero hardening in compression

the hardness-to-strength ratio does not deviate much from 1.0 when the plastic Poisson's ratio increases up to 0.27

echoing Miller's simulation. Current study suggests that the hardness-to-strength ratio is not a restraint factor

but an indicator of the strain hardening rate for nanoporous gold

which might apply to other porous materials with low-to-medium relative densities.

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相关机构

c Institute of Applied and Physical Chemistry University Bremen

b MAPEX Center for Materials and Processes University of Bremen Bremen Germany

b MAPEX Center for Materials and Processes University of Bremen

a Institute of Solid State Physics University of Bremen Bremen Germany

c Mechanical Behavior Division of Shenyang National Laboratory for Materials Science

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