Fatigue life analysis for 6061-T6 aluminum alloy based on surface roughness.

Surface condition is one of the dominant factors affecting fatigue life. Considering the complexity of surface condition, a relatively efficient and economic approach based on surface reconstruction and interpolation method was proposed. The effect of surface roughness on the fatigue life of 6061-T6...

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Autores principales:	Yali Yang, Hao Chen, Wang Feng, Sha Xu, Yongfang Li, Ruoping Zhang
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/66837a797f9347a28c1591b6c2247483
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id	oai:doaj.org-article:66837a797f9347a28c1591b6c2247483
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spelling	oai:doaj.org-article:66837a797f9347a28c1591b6c22474832021-12-02T20:07:03ZFatigue life analysis for 6061-T6 aluminum alloy based on surface roughness.1932-620310.1371/journal.pone.0252772https://doaj.org/article/66837a797f9347a28c1591b6c22474832021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0252772https://doaj.org/toc/1932-6203Surface condition is one of the dominant factors affecting fatigue life. Considering the complexity of surface condition, a relatively efficient and economic approach based on surface reconstruction and interpolation method was proposed. The effect of surface roughness on the fatigue life of 6061-T6 aluminum alloy is studied to analyze the fatigue life by surface roughness parameters. Surface topography was simplified into a series of elliptic micro notches, and empirical formula for stress concentration factor is established based on simulation work. Then the extraction method of surface curve is proposed to effectively represent the real surface roughness through 3D model reconstruction. Experiment of surface roughness verified the correctness of the model. The relationship between surface roughness and fatigue life is established and the calculated value of the fatigue life is compared with the test results. The maximum error is 15.65%, indicating that the formula established is reasonable and effective.Yali YangHao ChenWang FengSha XuYongfang LiRuoping ZhangPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 6, p e0252772 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yali Yang Hao Chen Wang Feng Sha Xu Yongfang Li Ruoping Zhang Fatigue life analysis for 6061-T6 aluminum alloy based on surface roughness.
description	Surface condition is one of the dominant factors affecting fatigue life. Considering the complexity of surface condition, a relatively efficient and economic approach based on surface reconstruction and interpolation method was proposed. The effect of surface roughness on the fatigue life of 6061-T6 aluminum alloy is studied to analyze the fatigue life by surface roughness parameters. Surface topography was simplified into a series of elliptic micro notches, and empirical formula for stress concentration factor is established based on simulation work. Then the extraction method of surface curve is proposed to effectively represent the real surface roughness through 3D model reconstruction. Experiment of surface roughness verified the correctness of the model. The relationship between surface roughness and fatigue life is established and the calculated value of the fatigue life is compared with the test results. The maximum error is 15.65%, indicating that the formula established is reasonable and effective.
format	article
author	Yali Yang Hao Chen Wang Feng Sha Xu Yongfang Li Ruoping Zhang
author_facet	Yali Yang Hao Chen Wang Feng Sha Xu Yongfang Li Ruoping Zhang
author_sort	Yali Yang
title	Fatigue life analysis for 6061-T6 aluminum alloy based on surface roughness.
title_short	Fatigue life analysis for 6061-T6 aluminum alloy based on surface roughness.
title_full	Fatigue life analysis for 6061-T6 aluminum alloy based on surface roughness.
title_fullStr	Fatigue life analysis for 6061-T6 aluminum alloy based on surface roughness.
title_full_unstemmed	Fatigue life analysis for 6061-T6 aluminum alloy based on surface roughness.
title_sort	fatigue life analysis for 6061-t6 aluminum alloy based on surface roughness.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/66837a797f9347a28c1591b6c2247483
work_keys_str_mv	AT yaliyang fatiguelifeanalysisfor6061t6aluminumalloybasedonsurfaceroughness AT haochen fatiguelifeanalysisfor6061t6aluminumalloybasedonsurfaceroughness AT wangfeng fatiguelifeanalysisfor6061t6aluminumalloybasedonsurfaceroughness AT shaxu fatiguelifeanalysisfor6061t6aluminumalloybasedonsurfaceroughness AT yongfangli fatiguelifeanalysisfor6061t6aluminumalloybasedonsurfaceroughness AT ruopingzhang fatiguelifeanalysisfor6061t6aluminumalloybasedonsurfaceroughness
_version_	1718375306243342336

Fatigue life analysis for 6061-T6 aluminum alloy based on surface roughness.

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