Thermographic Study of AZ31B Magnesium Alloy under Cyclic Loading: Temperature Evolution Analysis and Fatigue Limit Estimation

In this paper, infrared thermography was employed to study the fatigue process of AZ31B magnesium alloy. In order to eliminate the interference caused by the temperature rise of the fixture, a data processing method was proposed, which is based on a special model to describe the temperature change o...

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Autores principales: Guo, Shaofei, Liu, Xuesong, Zhang, Hongxia, Yan, Zhifeng, Zhang, Zhongdian, Fang, Hongyuan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7698634/
https://www.ncbi.nlm.nih.gov/pubmed/33218031
http://dx.doi.org/10.3390/ma13225209
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author Guo, Shaofei
Liu, Xuesong
Zhang, Hongxia
Yan, Zhifeng
Zhang, Zhongdian
Fang, Hongyuan
author_facet Guo, Shaofei
Liu, Xuesong
Zhang, Hongxia
Yan, Zhifeng
Zhang, Zhongdian
Fang, Hongyuan
author_sort Guo, Shaofei
collection PubMed
description In this paper, infrared thermography was employed to study the fatigue process of AZ31B magnesium alloy. In order to eliminate the interference caused by the temperature rise of the fixture, a data processing method was proposed, which is based on a special model to describe the temperature change of the specimen. Based on the temperature data after processing, the temperature evolution indicates that AZ31B magnesium alloy has undergone cyclic hardening during fatigue. Three different temperature indicators were selected to evaluate the fatigue limit based on the evolution curve after processing. In addition, the experimental results showed that the temperature data processed by the proposed method can be used to estimate the fatigue limit of AZ31B magnesium alloy. Experiments were performed for both extrusion and transverse directions in consideration of the anisotropy of the AZ31B.
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spelling pubmed-76986342020-11-29 Thermographic Study of AZ31B Magnesium Alloy under Cyclic Loading: Temperature Evolution Analysis and Fatigue Limit Estimation Guo, Shaofei Liu, Xuesong Zhang, Hongxia Yan, Zhifeng Zhang, Zhongdian Fang, Hongyuan Materials (Basel) Article In this paper, infrared thermography was employed to study the fatigue process of AZ31B magnesium alloy. In order to eliminate the interference caused by the temperature rise of the fixture, a data processing method was proposed, which is based on a special model to describe the temperature change of the specimen. Based on the temperature data after processing, the temperature evolution indicates that AZ31B magnesium alloy has undergone cyclic hardening during fatigue. Three different temperature indicators were selected to evaluate the fatigue limit based on the evolution curve after processing. In addition, the experimental results showed that the temperature data processed by the proposed method can be used to estimate the fatigue limit of AZ31B magnesium alloy. Experiments were performed for both extrusion and transverse directions in consideration of the anisotropy of the AZ31B. MDPI 2020-11-18 /pmc/articles/PMC7698634/ /pubmed/33218031 http://dx.doi.org/10.3390/ma13225209 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Guo, Shaofei
Liu, Xuesong
Zhang, Hongxia
Yan, Zhifeng
Zhang, Zhongdian
Fang, Hongyuan
Thermographic Study of AZ31B Magnesium Alloy under Cyclic Loading: Temperature Evolution Analysis and Fatigue Limit Estimation
title Thermographic Study of AZ31B Magnesium Alloy under Cyclic Loading: Temperature Evolution Analysis and Fatigue Limit Estimation
title_full Thermographic Study of AZ31B Magnesium Alloy under Cyclic Loading: Temperature Evolution Analysis and Fatigue Limit Estimation
title_fullStr Thermographic Study of AZ31B Magnesium Alloy under Cyclic Loading: Temperature Evolution Analysis and Fatigue Limit Estimation
title_full_unstemmed Thermographic Study of AZ31B Magnesium Alloy under Cyclic Loading: Temperature Evolution Analysis and Fatigue Limit Estimation
title_short Thermographic Study of AZ31B Magnesium Alloy under Cyclic Loading: Temperature Evolution Analysis and Fatigue Limit Estimation
title_sort thermographic study of az31b magnesium alloy under cyclic loading: temperature evolution analysis and fatigue limit estimation
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7698634/
https://www.ncbi.nlm.nih.gov/pubmed/33218031
http://dx.doi.org/10.3390/ma13225209
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