Liwen Feng, Xiangyan Ding, Yinghui Zhang, Ning Hu, Xiaoyang Bi
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Furthermore, the findings serve as a foundational basis for nondestructive and in situ wear detection methodologies, such as nonlinear ultrasonic detection, known for its sensitivity to σ<em><sub>RS</sub></em> and <em>ε<sub>PEEQ</sub></em>.</p><!--/ Abstract__block -->\n<h3>Design/methodology/approach</h3>\n<p>This paper elucidates the wear mechanism through the lens of residual stress (σ<em><sub>RS</sub></em>) and plastic deformation within distinct fretting regimes, using a two-dimensional cylindrical/flat contact model. It specifically explores the impact of the displacement amplitude and cycles on the distribution of residual stress and equivalent plastic strain (<em>ε<sub>PEEQ</sub></em>) in both gross slip regime and partial slip regimes.</p><!--/ Abstract__block -->\n<h3>Findings</h3>\n<p>Therefore, when surface observation of wear is challenging, detecting the σ<em><sub>RS</sub></em> trend at the center/edge, region width and <em>ε<sub>PEEQ</sub></em> distribution, as well as the maximum σ<em><sub>RS</sub></em> distribution along the depth, proves effective in distinguishing wear situations (partial or gross slip regimes). However, discerning wear situations based on <em>ε<sub>PEEQ</sub></em> along the depth direction remains challenging. Moreover, in the gross slip regime, using σ<em><sub>RS</sub></em> distribution or <em>ε<sub>PEEQ</sub></em> along the width direction rather than the depth direction can effectively provide feedback on cycles and wear range.</p><!--/ Abstract__block -->\n<h3>Originality/value</h3>\n<p>This work introduces a novel perspective for investigating wear theory through the distribution of residual stress (σ<em><sub>RS</sub></em>) and equivalent plastic strain (<em>ε<sub>PEEQ</sub></em>). It presents a feasible detection theory for wear situations using nondestructive and in situ methods, such as nonlinear ultrasonic detection, which is sensitive to σ<em><sub>RS</sub></em> and <em>ε<sub>PEEQ</sub></em>.</p><!--/ Abstract__block -->\n<h3>Peer review</h3>\n<p>The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-01-2024-0005/</p><!--/ Abstract__block -->","PeriodicalId":13523,"journal":{"name":"Industrial Lubrication and Tribology","volume":"28 1","pages":""},"PeriodicalIF":1.5000,"publicationDate":"2024-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Investigating fretting wear mechanisms in Ti-6Al-4V: insights from residual stress and equivalent plastic strain analysis\",\"authors\":\"Liwen Feng, Xiangyan Ding, Yinghui Zhang, Ning Hu, Xiaoyang Bi\",\"doi\":\"10.1108/ilt-01-2024-0005\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<h3>Purpose</h3>\\n<p>The study delves into the influence of wear cycles on these parameters. The purpose of this paper is to identify characteristic patterns of σ<em><sub>RS</sub></em> and <em>ε<sub>PEEQ</sub></em> that discern varying wear situations, thereby contributing to the enrichment of wear theory. Furthermore, the findings serve as a foundational basis for nondestructive and in situ wear detection methodologies, such as nonlinear ultrasonic detection, known for its sensitivity to σ<em><sub>RS</sub></em> and <em>ε<sub>PEEQ</sub></em>.</p><!--/ Abstract__block -->\\n<h3>Design/methodology/approach</h3>\\n<p>This paper elucidates the wear mechanism through the lens of residual stress (σ<em><sub>RS</sub></em>) and plastic deformation within distinct fretting regimes, using a two-dimensional cylindrical/flat contact model. 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Investigating fretting wear mechanisms in Ti-6Al-4V: insights from residual stress and equivalent plastic strain analysis
Purpose
The study delves into the influence of wear cycles on these parameters. The purpose of this paper is to identify characteristic patterns of σRS and εPEEQ that discern varying wear situations, thereby contributing to the enrichment of wear theory. Furthermore, the findings serve as a foundational basis for nondestructive and in situ wear detection methodologies, such as nonlinear ultrasonic detection, known for its sensitivity to σRS and εPEEQ.
Design/methodology/approach
This paper elucidates the wear mechanism through the lens of residual stress (σRS) and plastic deformation within distinct fretting regimes, using a two-dimensional cylindrical/flat contact model. It specifically explores the impact of the displacement amplitude and cycles on the distribution of residual stress and equivalent plastic strain (εPEEQ) in both gross slip regime and partial slip regimes.
Findings
Therefore, when surface observation of wear is challenging, detecting the σRS trend at the center/edge, region width and εPEEQ distribution, as well as the maximum σRS distribution along the depth, proves effective in distinguishing wear situations (partial or gross slip regimes). However, discerning wear situations based on εPEEQ along the depth direction remains challenging. Moreover, in the gross slip regime, using σRS distribution or εPEEQ along the width direction rather than the depth direction can effectively provide feedback on cycles and wear range.
Originality/value
This work introduces a novel perspective for investigating wear theory through the distribution of residual stress (σRS) and equivalent plastic strain (εPEEQ). It presents a feasible detection theory for wear situations using nondestructive and in situ methods, such as nonlinear ultrasonic detection, which is sensitive to σRS and εPEEQ.
Peer review
The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-01-2024-0005/
期刊介绍：
Industrial Lubrication and Tribology provides a broad coverage of the materials and techniques employed in tribology. It contains a firm technical news element which brings together and promotes best practice in the three disciplines of tribology, which comprise lubrication, wear and friction. ILT also follows the progress of research into advanced lubricants, bearings, seals, gears and related machinery parts, as well as materials selection. A double-blind peer review process involving the editor and other subject experts ensures the content''s validity and relevance.
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