Improvement of tensile properties by controlling the microstructure and crystallographic data in commercial pearlitic carbon-silicon steel via quenching and partitioning (Q&P) process

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Autor(es): dc.contributorUniversity of Bonab-
Autor(es): dc.contributorUniversidad Tecnologica de Pereira-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorFederal University of Ceará-
Autor(es): dc.contributorInstitute for Technological Research-
Autor(es): dc.contributorUniversitat Politècnica de Catalunya-
Autor(es): dc.contributorUniversidade Federal do ABC (UFABC)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorMohtadi-Bonab, M. A.-
Autor(es): dc.creatorAriza, Edwan A.-
Autor(es): dc.creatorLoureiro, Rodrigo C.P.-
Autor(es): dc.creatorCenteno, Dany-
Autor(es): dc.creatorCarvalho, Felipe M.-
Autor(es): dc.creatorAvila, Julian A.-
Autor(es): dc.creatorMasoumi, Mohammad-
Data de aceite: dc.date.accessioned2025-08-21T18:09:53Z-
Data de disponibilização: dc.date.available2025-08-21T18:09:53Z-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-03-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.jmrt.2023.01.066-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/246960-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/246960-
Descrição: dc.descriptionIn the current research, a complex microstructure and crystallographic data were developed through quenching and partitioning (Q&P) process to improve tensile properties of commercial pearlitic carbon-silicon steel. Two-stage Q&P process, including full austenitization, quenching at 220 °C, followed by two different partitioning temperatures, was applied to the as-received specimen to generate a complex microstructure composed of tempered martensite, bainite, ultrafine carbides/martensite-austenite/retained austenite particles. Microstructure and crystallographic data were investigated by scanning electron microscopy, electron backscattered diffraction (EBSD), and X-ray diffraction techniques. Then, hardness and tensile properties were evaluated to confirm the improvement of mechanical properties. Dilatation-temperature curves exhibited the kinetics of martensitic and bainitic transformation during quenching and isothermal partitioning stages. The presence of nano-carbide particles inside athermal martensite was confirmed by electron microscopy due to the pre-formed martensite carbon depletion during the partitioning stage coupled with bainitic transformation. The formation of preferential atomic-compact <111> direction in BCC (martensite/bainite) plates characterized by EBSD, could enhance ductility by providing adequate slip systems. Point-to-point misorientation analyses demonstrated a slight dominance of low angle boundaries proportion in bainitic dominance structure in Q&P-220-375 specimen, which could be used in phase characterization. Results revealed that the development of nanoscale carbide dispersed in refined bainite/martensite matrix boosted the yield and ultimate tensile strength by over 100% and 110% compared to the initial pearlitic microstructure. However, ductility reduced to half value in Q&P-220-325 and Q&P-220-375 specimens.-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionFinanciadora de Estudos e Projetos-
Descrição: dc.descriptionFundação Cearense de Apoio ao Desenvolvimento Científico e Tecnológico-
Descrição: dc.descriptionUniversité de Franche-Comté-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionMinistério da Ciência, Tecnologia e Inovação-
Descrição: dc.descriptionDepartment of Mechanical Engineering University of Bonab-
Descrição: dc.descriptionEscuela de Tecnologıa Mecanica Universidad Tecnologica de Pereira, Carrera 27 #10-02 Alamos-
Descrição: dc.descriptionMetallurgical and Materials Engineering Department University of São Paulo, Av. Prof. Mello Moraes-
Descrição: dc.descriptionMaterials Characterization Laboratory (LACAM) Department of Metallurgical and Materials Engineering Federal University of Ceará Campus Do Pici-
Descrição: dc.descriptionMetallurgical Processes Laboratory Institute for Technological Research, Av. Prof. Almeida Prado, 532 São Paulo-
Descrição: dc.descriptionDepartment of Strength of Materials and Structural Engineering Barcelona School of Engineering (ETSEIB) Universitat Politècnica de Catalunya-
Descrição: dc.descriptionCentro de Engenharia Modelagem e Ciências Sociais Aplicadas Universidade Federal Do ABC, Santo André-
Descrição: dc.descriptionDepartment of Aeronautical Engineering School of Engineering of São João (FESJ) São Paulo State University, São João da Boa Vista-
Descrição: dc.descriptionDepartment of Aeronautical Engineering School of Engineering of São João (FESJ) São Paulo State University, São João da Boa Vista-
Descrição: dc.descriptionFAPESP: 2021/02926-4-
Descrição: dc.descriptionCNPq: 304157/2020-1-
Descrição: dc.descriptionMinistério da Ciência, Tecnologia e Inovação: 442577/2019-2-
Formato: dc.format845-858-
Idioma: dc.languageen-
Relação: dc.relationJournal of Materials Research and Technology-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectCarbon saturated martensite-
Palavras-chave: dc.subjectKernel average misorientation-
Palavras-chave: dc.subjectSlip systems-
Título: dc.titleImprovement of tensile properties by controlling the microstructure and crystallographic data in commercial pearlitic carbon-silicon steel via quenching and partitioning (Q&P) process-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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