A numerical study of the normal loading–unloading contact behaviors considering yield plateau and strain hardening

Juncheng Luo; Jianhua Liu; Huanxiong Xia; Xiaohui Ao; Jian Zhang; Xuerui Zhang; Hui Zhang; Xin Liu

doi:10.1007/s00419-025-02761-3

A numerical study of the normal loading–unloading contact behaviors considering yield plateau and strain hardening

Juncheng Luo, Jianhua Liu, Huanxiong Xia^*, Xiaohui Ao, Jian Zhang, Xuerui Zhang, Hui Zhang, Xin Liu

^*Corresponding author for this work

School of Mechanical Engineering

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

Abstract

Loading–unloading is a ubiquitous phenomenon in engineering applications and an enduring topic in contact mechanics. Yield plateau and strain hardening are essential for material behaviors, but they have not been well considered in contact mechanics. This work developed a three-phase constitutive model to accurately describe the elastoplastic contact behaviors considering both yield plateau and strain hardening, merging the elastic-perfectly plastic and power-law hardening behaviors. The significance of the yield plateau and strain hardening was emphasized, and new empirical formulations of dimensionless contact load, area, and residual interference were presented, expanding the present knowledge of the elastoplastic contact problem.

Original language	English
Article number	52
Journal	Archive of Applied Mechanics
Volume	95
Issue number	2
DOIs	https://doi.org/10.1007/s00419-025-02761-3
Publication status	Published - Feb 2025

Keywords

Finite element modeling
Loading–unloading
Strain hardening
Yield plateau

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10.1007/s00419-025-02761-3

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abstract = "Loading–unloading is a ubiquitous phenomenon in engineering applications and an enduring topic in contact mechanics. Yield plateau and strain hardening are essential for material behaviors, but they have not been well considered in contact mechanics. This work developed a three-phase constitutive model to accurately describe the elastoplastic contact behaviors considering both yield plateau and strain hardening, merging the elastic-perfectly plastic and power-law hardening behaviors. The significance of the yield plateau and strain hardening was emphasized, and new empirical formulations of dimensionless contact load, area, and residual interference were presented, expanding the present knowledge of the elastoplastic contact problem.",

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AU - Luo, Juncheng

AU - Liu, Jianhua

AU - Xia, Huanxiong

AU - Ao, Xiaohui

AU - Zhang, Jian

AU - Zhang, Xuerui

AU - Zhang, Hui

AU - Liu, Xin

N1 - Publisher Copyright: © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2025.

PY - 2025/2

Y1 - 2025/2

N2 - Loading–unloading is a ubiquitous phenomenon in engineering applications and an enduring topic in contact mechanics. Yield plateau and strain hardening are essential for material behaviors, but they have not been well considered in contact mechanics. This work developed a three-phase constitutive model to accurately describe the elastoplastic contact behaviors considering both yield plateau and strain hardening, merging the elastic-perfectly plastic and power-law hardening behaviors. The significance of the yield plateau and strain hardening was emphasized, and new empirical formulations of dimensionless contact load, area, and residual interference were presented, expanding the present knowledge of the elastoplastic contact problem.

AB - Loading–unloading is a ubiquitous phenomenon in engineering applications and an enduring topic in contact mechanics. Yield plateau and strain hardening are essential for material behaviors, but they have not been well considered in contact mechanics. This work developed a three-phase constitutive model to accurately describe the elastoplastic contact behaviors considering both yield plateau and strain hardening, merging the elastic-perfectly plastic and power-law hardening behaviors. The significance of the yield plateau and strain hardening was emphasized, and new empirical formulations of dimensionless contact load, area, and residual interference were presented, expanding the present knowledge of the elastoplastic contact problem.

KW - Finite element modeling

KW - Loading–unloading

KW - Strain hardening

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JO - Archive of Applied Mechanics

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A numerical study of the normal loading–unloading contact behaviors considering yield plateau and strain hardening

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