The use of a modified critical plane model to assess multiaxial fatigue of steels with nonmetallic inclusions

The goal of this research is to investigate the detrimental effect of non-metallic inclusions on the fatigue strength of the AISI 4140 steel under multiaxial loading conditions. In order to do so, a multiaxial fatigue model based on the critical plane approach is coupled with Murakami’s √area model....

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Main Authors: Machado Pedro Vinícius Sousa, Araújo Lucas Carneiro, Soares Marcos Venicius, Araújo José Alexander
Format: Article
Language:English
Published: EDP Sciences 2019-01-01
Series:MATEC Web of Conferences
Online Access:https://www.matec-conferences.org/articles/matecconf/pdf/2019/49/matecconf_icmff1218_16005.pdf
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author Machado Pedro Vinícius Sousa
Araújo Lucas Carneiro
Soares Marcos Venicius
Araújo José Alexander
author_facet Machado Pedro Vinícius Sousa
Araújo Lucas Carneiro
Soares Marcos Venicius
Araújo José Alexander
author_sort Machado Pedro Vinícius Sousa
collection DOAJ
description The goal of this research is to investigate the detrimental effect of non-metallic inclusions on the fatigue strength of the AISI 4140 steel under multiaxial loading conditions. In order to do so, a multiaxial fatigue model based on the critical plane approach is coupled with Murakami’s √area model. The proposed adaptation is very easy to calibrate and can also account for the higher probability of existing a fatal small defect as the volume of stresses material increases. Experimental multiaxial fatigue data were generated and compared with the estimates provided by the adapted multiaxial fatigue model and with its original version. The errors found are not higher than 10%.
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spelling doaj.art-9759014e50ae46b680c6ed8164a975922022-12-21T22:29:05ZengEDP SciencesMATEC Web of Conferences2261-236X2019-01-013001600510.1051/matecconf/201930016005matecconf_icmff1218_16005The use of a modified critical plane model to assess multiaxial fatigue of steels with nonmetallic inclusionsMachado Pedro Vinícius Sousa0Araújo Lucas Carneiro1Soares Marcos Venicius2Araújo José Alexander3University of Brasília, Department of Mechanical EngineeringUniversity of Brasília, Department of Mechanical EngineeringCatholic University of Rio de Janeiro, Department of Chemical and Material EngineeringUniversity of Brasília, Department of Mechanical EngineeringThe goal of this research is to investigate the detrimental effect of non-metallic inclusions on the fatigue strength of the AISI 4140 steel under multiaxial loading conditions. In order to do so, a multiaxial fatigue model based on the critical plane approach is coupled with Murakami’s √area model. The proposed adaptation is very easy to calibrate and can also account for the higher probability of existing a fatal small defect as the volume of stresses material increases. Experimental multiaxial fatigue data were generated and compared with the estimates provided by the adapted multiaxial fatigue model and with its original version. The errors found are not higher than 10%.https://www.matec-conferences.org/articles/matecconf/pdf/2019/49/matecconf_icmff1218_16005.pdf
spellingShingle Machado Pedro Vinícius Sousa
Araújo Lucas Carneiro
Soares Marcos Venicius
Araújo José Alexander
The use of a modified critical plane model to assess multiaxial fatigue of steels with nonmetallic inclusions
MATEC Web of Conferences
title The use of a modified critical plane model to assess multiaxial fatigue of steels with nonmetallic inclusions
title_full The use of a modified critical plane model to assess multiaxial fatigue of steels with nonmetallic inclusions
title_fullStr The use of a modified critical plane model to assess multiaxial fatigue of steels with nonmetallic inclusions
title_full_unstemmed The use of a modified critical plane model to assess multiaxial fatigue of steels with nonmetallic inclusions
title_short The use of a modified critical plane model to assess multiaxial fatigue of steels with nonmetallic inclusions
title_sort use of a modified critical plane model to assess multiaxial fatigue of steels with nonmetallic inclusions
url https://www.matec-conferences.org/articles/matecconf/pdf/2019/49/matecconf_icmff1218_16005.pdf
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