Unravelling microstructure of novel as-cast in-situ α Ti and β Ti-Nb alloy matrix composites with NbC addition

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade Federal de São Carlos (UFSCar)-
Autor(es): dc.creatorManso Gonçalves, Vinícius Richieri-
Autor(es): dc.creatorLisboa Filho, Paulo Noronha-
Autor(es): dc.creatorMoreira Afonso, Conrado Ramos-
Data de aceite: dc.date.accessioned2025-08-21T18:50:19Z-
Data de disponibilização: dc.date.available2025-08-21T18:50:19Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2023-10-15-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.matlet.2023.134794-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/305103-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/305103-
Descrição: dc.descriptionThe NbC powder was added to commercially pure Ti and β Ti-40Nb alloy and prepared by an arc-melting process, and its effect on the as-cast samples was microstructurally investigated with electron backscattered diffraction (EBSD). The results showed that two in-situ Ti-based matrix composites (TMCs) were produced due to chemical reactions during melting. In summary, each TMC presented only two phases: α Ti matrix reinforced with TiC phase (in the case of Ti + 5 %NbC), and β Ti-Nb matrix reinforced with TiC (in the case of Ti-40Nb + 5 %NbC). Furthermore, the results showed that the composite composition affects the TiC morphology, such as a short rod shape was obtained with richer Ti content in the Ti:C fraction (Ti + 5 %NbC), whereas lowering the Ti proportion (Ti-40Nb + 5 %NbC) resulted in equiaxed granular TiC. Thus, this study provides additional microstructural information about promisors wear-resistant TMCs.-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionUNESP – São Paulo State University School of Science Dep. of Physics, SP-
Descrição: dc.descriptionUFSCar – Federal University of São Carlos Department of Materials Engineering, SP-
Descrição: dc.descriptionUNESP – São Paulo State University School of Science Dep. of Physics, SP-
Descrição: dc.descriptionFAPESP: #2018/00746-6-
Descrição: dc.descriptionFAPESP: #2018/18293-8-
Idioma: dc.languageen-
Relação: dc.relationMaterials Letters-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectArc-melting-
Palavras-chave: dc.subjectEBSD-
Palavras-chave: dc.subjectIn-situ TiC-
Palavras-chave: dc.subjectMetal matrix composites-
Palavras-chave: dc.subjectβ Ti-Nb alloys-
Título: dc.titleUnravelling microstructure of novel as-cast in-situ α Ti and β Ti-Nb alloy matrix composites with NbC addition-
Tipo de arquivo: dc.typelivro digital-
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