A novel model for determining tensile properties and hardness of steels by spherical indentations

Hui Chen; Li‐xun Cai; Chen Bao

doi:10.1111/str.12365

journal article Jun 03, 2020

A novel model for determining tensile properties and hardness of steels by spherical indentations

Hui Chen

Li‐xun Cai Chen Bao

Strain Vol. 56 No. 5 · Wiley

View at Publisher Save 10.1111/str.12365

Abstract

AbstractAn energy‐based spherical indentation (ESI) model according to equivalent energy principle is developed to determine the stress–strain relation, tensile strength and hardness of steels. Several parameters in the model are determined with finite element analysis (FEA). For a wide range of homogeneous and isotropic materials in power stress–strain law, a large number of FEA calculations are carried out to verify the ESI model. Results show that both the forward‐predicted load‐depth relations and the reverse‐predicted stress–strain relations from the model agree well with the results from FEA. For 12 steels, the tensile properties, Rockwell and Brinell hardness predicted by the ESI model are close to the standard testing results.

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Citations

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References

Details

Published: Jun 03, 2020
Vol/Issue: 56(5)
License: View

Authors

H

Hui Chen

School of Civil Engineering Changsha University of Science and Technology Changsha China

L

Li‐xun Cai

Applied Mechanics and Structure Safety Key Laboratory of Sichuan Province, School of Mechanics and Engineering Southwest Jiaotong University Chengdu China

C

Chen Bao

Applied Mechanics and Structure Safety Key Laboratory of Sichuan Province, School of Mechanics and Engineering Southwest Jiaotong University Chengdu China

Funding

National Natural Science Foundation of China Award: 11872320

Cite This Article

Hui Chen, Li‐xun Cai, Chen Bao (2020). A novel model for determining tensile properties and hardness of steels by spherical indentations. Strain, 56(5). https://doi.org/10.1111/str.12365

A novel model for determining tensile properties and hardness of steels by spherical indentations

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