Polycrystalline diamond obtained in the diamond-Mo system with enhanced thermal stability sintered by HPHT

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Autor(es): dc.contributorUniversidade Estadual do Norte Fluminense Darcy Ribeiro-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorCentro Brasileiro de Pesquisas Físicas-
Autor(es): dc.contributorUniversidade Fluminense Federal-
Autor(es): dc.creatorLaurindo, Quézia Manuela Gonçalves-
Autor(es): dc.creatorRosa, Joice Medeiros Borges-
Autor(es): dc.creatorda Silva Guimarães, Renan-
Autor(es): dc.creatorTeixeira, Silvio Rainho-
Autor(es): dc.creatorLima, Ludiane Silva-
Autor(es): dc.creatorXing, Yutao-
Autor(es): dc.creatorFilgueira, Marcello-
Data de aceite: dc.date.accessioned2025-08-21T22:13:18Z-
Data de disponibilização: dc.date.available2025-08-21T22:13:18Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2023-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.ijrmhm.2023.106464-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/299889-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/299889-
Descrição: dc.descriptionThis study provides thermoanalytical data on polycrystalline diamond (PCD) sintered in the diamond-Mo system at high pressure-high temperatures (HPHT). PCD is a key material for the abrasive tool industry, given its unprecedented hardness and wear resistance, as well as its excellent thermal conductivity. These characteristics make it highly effective in drilling into rock formations and machining non-ferrous materials, such as titanium alloys. A critical issue in the performance and lifetime of polycrystalline diamond, however, is its low thermal stability, which limits its potential applications. Accordingly, PCD with enhanced thermostability was obtained in the diamond-Mo system, with resistance graphitization and oxidation around 200 °C higher than conventional PCD. The superior thermal performance seen for PCD-Mo may be due to the formation of in situ carbides (MoC and Mo2C), which inhibit the evolution of graphitization and oxidative processes.-
Descrição: dc.descriptionUniversidade Estadual do Norte Fluminense Darcy Ribeiro, Alberto Lamego, 2000, Parque Califórnia, State of Rio de Janeiro-
Descrição: dc.descriptionSão Paulo State University, Roberto Simonsen, 305, Centro Educacional, State of São Paulo-
Descrição: dc.descriptionCentro Brasileiro de Pesquisas Físicas, Xavier Sigaud, 150, Urca, State of Rio de Janeiro-
Descrição: dc.descriptionUniversidade Fluminense Federal, Passo da Pátria., 152-470, São Domingos, State of Rio de Janeiro-
Descrição: dc.descriptionSão Paulo State University, Roberto Simonsen, 305, Centro Educacional, State of São Paulo-
Idioma: dc.languageen-
Relação: dc.relationInternational Journal of Refractory Metals and Hard Materials-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectCarbides-
Palavras-chave: dc.subjectHigh pressure–high temperature (HPHT) sintering-
Palavras-chave: dc.subjectHybrid matrix-
Palavras-chave: dc.subjectMolybdenum binder-
Palavras-chave: dc.subjectPolycrystalline diamond (PCD)-
Palavras-chave: dc.subjectThermal stability-
Título: dc.titlePolycrystalline diamond obtained in the diamond-Mo system with enhanced thermal stability sintered by HPHT-
Tipo de arquivo: dc.typelivro digital-
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