Thermal fatigue analysis of hot forging closed dies

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dc.creatorPedro Ivovianello
dc.creatorAnderson Júnior Dos Santos
dc.creatorAlexandre Mendes Abrão
dc.creatorFrederico de Castro Magalhães
dc.date.accessioned2023-07-25T17:34:59Z
dc.date.accessioned2025-09-08T23:43:48Z
dc.date.available2023-07-25T17:34:59Z
dc.date.issued2020
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.1590/1980-5373-MR-2019-0697
dc.identifier.issn1516-1439
dc.identifier.urihttps://hdl.handle.net/1843/56965
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofMaterials Research
dc.rightsAcesso Aberto
dc.subjectFadiga
dc.subjectEngenharia mecânica
dc.subject.otherHot Forging
dc.subject.otherThermal fatigue
dc.subject.otherFinite element method
dc.subject.otherAISI H13 steel
dc.titleThermal fatigue analysis of hot forging closed dies
dc.typeArtigo de periódico
local.citation.epage6
local.citation.issue4
local.citation.spagee20190697
local.citation.volume23
local.description.resumoThe aim of this work is to develop a numerical subroutine for the commercial finite element method software QFORM VX 8.1.4 capable of predicting, simultaneously, regions of closed dies which are prone to thermal fatigue as well as the number of cycles required for thermal fatigue cracking. The numerical subroutine was based on Manson (thermal fatigue) and Coffin-Manson (number of cycles) equations. Hot forging of AISI 1045 grinding balls using AISI H13 closed dies was performed and the numerical and experimental results were compared. The findings indicated that after forging 66 grinding balls, the numerical model achieved steady state for the temperature inside the die. After forging 600 grinding balls, both the experimental and numerical results showed that the regions of the dies subjected to the highest thermal gradient were prone to thermal fatigue. In addition to that, the numerically predicted values for the onset of thermal cracking were consistent with the experimental results: 517 and 600 cycles, respectively.
local.identifier.orcidhttp://orcid.org/0000-0002-0216-5162
local.identifier.orcidhttps://orcid.org/0000-0003-2015-4077
local.publisher.countryBrasil
local.publisher.departmentENG - DEPARTAMENTO DE ENGENHARIA MECÂNICA
local.publisher.departmentENGENHARIA - ESCOLA DE ENGENHARIA
local.publisher.initialsUFMG
local.url.externahttps://www.scielo.br/j/mr/a/ZWkV4nSXp86XVRPcmZkWgrF/?lang=en

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