Investigation on parametric representation of proportional and nonproportional multiaxial fatigue responses

This study aims to investigate fatigue damage resulting from multiaxial fatigue, proportional and/or nonproportional, loading by analyzing stresses and strains over a full domain around a representative stress-strain element. Plain stress-strain transformation of multiaxial hysteresis was performed...

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Main Author: J. Albinmousa
Format: Article
Language:English
Published: Gruppo Italiano Frattura 2016-06-01
Series:Fracture and Structural Integrity
Subjects:
Online Access:https://www.fracturae.com/index.php/fis/article/view/1724
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author J. Albinmousa
author_facet J. Albinmousa
author_sort J. Albinmousa
collection DOAJ
description This study aims to investigate fatigue damage resulting from multiaxial fatigue, proportional and/or nonproportional, loading by analyzing stresses and strains over a full domain around a representative stress-strain element. Plain stress-strain transformation of multiaxial hysteresis was performed by varying orientation of plane for 0?fi?2?. Parametric representations for both normal and shear stresses and strains were obtained by plotting them in polar figures. These figures show that depending on the applied loading stresses and strains represent definitive known parametric curves. Parametric representation of fatigue damage parameter such as Fatemi-Socie suggests that fatigue damage shall be calculated as the sum of the damage values on all planes. The proposed technique has been shown to improve fatigue life prediction compared to that obtained from the critical plane method.
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institution Kabale University
issn 1971-8993
language English
publishDate 2016-06-01
publisher Gruppo Italiano Frattura
record_format Article
series Fracture and Structural Integrity
spelling doaj-art-040b80aa3a7d4dce93d4625584d76d9d2025-01-03T00:40:22ZengGruppo Italiano FratturaFracture and Structural Integrity1971-89932016-06-011037Investigation on parametric representation of proportional and nonproportional multiaxial fatigue responsesJ. Albinmousa0King Fahd University of Petroleum & MineralsThis study aims to investigate fatigue damage resulting from multiaxial fatigue, proportional and/or nonproportional, loading by analyzing stresses and strains over a full domain around a representative stress-strain element. Plain stress-strain transformation of multiaxial hysteresis was performed by varying orientation of plane for 0?fi?2?. Parametric representations for both normal and shear stresses and strains were obtained by plotting them in polar figures. These figures show that depending on the applied loading stresses and strains represent definitive known parametric curves. Parametric representation of fatigue damage parameter such as Fatemi-Socie suggests that fatigue damage shall be calculated as the sum of the damage values on all planes. The proposed technique has been shown to improve fatigue life prediction compared to that obtained from the critical plane method.https://www.fracturae.com/index.php/fis/article/view/1724Critical planeFatigue damageMultiaxial fatigueParametric representation
spellingShingle J. Albinmousa
Investigation on parametric representation of proportional and nonproportional multiaxial fatigue responses
Fracture and Structural Integrity
Critical plane
Fatigue damage
Multiaxial fatigue
Parametric representation
title Investigation on parametric representation of proportional and nonproportional multiaxial fatigue responses
title_full Investigation on parametric representation of proportional and nonproportional multiaxial fatigue responses
title_fullStr Investigation on parametric representation of proportional and nonproportional multiaxial fatigue responses
title_full_unstemmed Investigation on parametric representation of proportional and nonproportional multiaxial fatigue responses
title_short Investigation on parametric representation of proportional and nonproportional multiaxial fatigue responses
title_sort investigation on parametric representation of proportional and nonproportional multiaxial fatigue responses
topic Critical plane
Fatigue damage
Multiaxial fatigue
Parametric representation
url https://www.fracturae.com/index.php/fis/article/view/1724
work_keys_str_mv AT jalbinmousa investigationonparametricrepresentationofproportionalandnonproportionalmultiaxialfatigueresponses