Liquid phase sintering and characterization of SiC ceramics (2018)
- Authors:
- Autor USP: RIBEIRO, SEBASTIAO - EEL
- Unidade: EEL
- DOI: 10.1016/j.ceramint.2018.03.083
- Subjects: MATERIAIS; REFRATÁRIOS
- Keywords: B. Microstructure-final; C. Toughness; Flexural strength; Weibull module; D. SiC; Liquid phase sintering
- Agências de fomento:
- Language: Inglês
- Abstract: The present study focuses on the sintering of silicon carbide-based ceramics (SiC) by liquid phase sintering (LPS) followed by characterization of the produced ceramics. AlN/Re2O3 mixtures were used as additives in the LPS process. In the first step, the LPS-SiC materials were produced in a graphite resistance furnace in the form of discs at different temperatures. The conditions with the best results regarding real density and relative density were taken as reference for sintering in the form of prismatic bars. In the second step, these samples were evaluated regarding fracture toughness (KIC), by the Single Edge V Notch Beam – SEVNB – method, and flexural strength. KIC behavior was evaluated according to the depth and curvature radius of the notches. Reliable KIC values were presented when the ceramic displayed a small curvature radius at the notch tip. When the radius was large, it did not maintain the square root singularity of the notch tip. Tests were carried out to determine KIC values in atmospheric air and water. KIC results were lower in water than air, with a decrease ranging between 2.56% and 11.26%. The observations indicated a direct grain size correlation between KIC values and fracture strength of the SiC ceramics.
- Imprenta:
- Source:
- Título: Ceramics international
- ISSN: 0272-8842
- Volume/Número/Paginação/Ano: v. 44, n. 10, p.11048-11059, 2018
- Este periódico é de assinatura
- Este artigo NÃO é de acesso aberto
- Cor do Acesso Aberto: closed
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ABNT
SANTOS, Aline C e RIBEIRO, Sebastião. Liquid phase sintering and characterization of SiC ceramics. Ceramics international, v. 44, n. 10, p. 11048-11059, 2018Tradução . . Disponível em: https://doi.org/10.1016/j.ceramint.2018.03.083. Acesso em: 13 jul. 2025. -
APA
Santos, A. C., & Ribeiro, S. (2018). Liquid phase sintering and characterization of SiC ceramics. Ceramics international, 44( 10), 11048-11059. doi:10.1016/j.ceramint.2018.03.083 -
NLM
Santos AC, Ribeiro S. Liquid phase sintering and characterization of SiC ceramics [Internet]. Ceramics international. 2018 ; 44( 10): 11048-11059.[citado 2025 jul. 13 ] Available from: https://doi.org/10.1016/j.ceramint.2018.03.083 -
Vancouver
Santos AC, Ribeiro S. Liquid phase sintering and characterization of SiC ceramics [Internet]. Ceramics international. 2018 ; 44( 10): 11048-11059.[citado 2025 jul. 13 ] Available from: https://doi.org/10.1016/j.ceramint.2018.03.083 - PROPRIEDADES ÓPTICAS E MECÂNICAS DE ZrO2 ESTABILIZADA COM DIFERENTES TEORES DE Y2O3
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Informações sobre o DOI: 10.1016/j.ceramint.2018.03.083 (Fonte: oaDOI API)
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