Effect of Fe2O3 Addition and Sintering Temperature on mechanical Properties and Translucence of Zirconia Dental Ceramics with Different Y2O3 Content (2021)
- Authors:
- USP affiliated authors: RIBEIRO, SEBASTIAO - EEL ; SUZUKI, PAULO ATSUSHI - EEL ; ALVES, MANUEL FELLIPE RODRIGUES PAIS - EEL
- Unidade: EEL
- DOI: 10.1590/1980-5373-mr-2020-0402
- Subjects: MATERIAIS CERÂMICOS; ZIRCÔNIA; MATERIAIS DENTÁRIOS
- Keywords: dental materials; yttria-stabilized zirconia ceramics; Fe2O3; optical properties; flexural strength
- Agências de fomento:
- Language: Inglês
- Abstract: The influence of Fe2O3 additions on the microstructure, mechanical properties and translucence of zirconia with 3 mol-% or 5 mol-% Y2O3 was evaluated. Samples were pressed with different thickness and sintered at 1475, 1500, 1550 and 1600°C for 2 h. Density, phases, microstructure, roughness, strength and translucency were analyzed. All samples showed densification greater than 99%. After sintering at 1600°C, the phase analysis revealed only tetragonal ZrO2 in samples with 3% Y2O3, while in samples with 5% Y2O3 the cubic ZrO2 phase was identified. Significant increase in the grain size was noted, when increasing the Y2O3 content from 3% to 5% from 0.8 µm to 2.3 µm for sintered samples at 1600°C. The strength was affected with Y2O3 content and no relevant influence of the Fe2O3 on density, microstructure or mechanical properties. Visible reflectance spectroscopy analyses, related to the CIELab scale, indicate variation in the contrast ratio as function of thickness of samples and coloring agent Fe2O3 content.
- Imprenta:
- Publisher: UFSCar
- Publisher place: São Carlos, SP
- Date published: 2021
- Source:
- Título: Materials Research
- ISSN: 1980-5373
- Volume/Número/Paginação/Ano: v.24, n.2, p.1-12, art. n. e20200402, 2021
- Este periódico é de acesso aberto
- Este artigo é de acesso aberto
- URL de acesso aberto
- Cor do Acesso Aberto: gold
- Licença: cc-by
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ABNT
ALVES, Manuel Fellipe Rodrigues Pais et al. Effect of Fe2O3 Addition and Sintering Temperature on mechanical Properties and Translucence of Zirconia Dental Ceramics with Different Y2O3 Content. Materials Research, v. 24, n. art. e20200402, p. 1-12, 2021Tradução . . Disponível em: https://doi.org/10.1590/1980-5373-mr-2020-0402. Acesso em: 30 dez. 2025. -
APA
Alves, M. F. R. P., Ribeiro, S., Suzuki, P. A., Strecker, K., & Santos, C. dos. (2021). Effect of Fe2O3 Addition and Sintering Temperature on mechanical Properties and Translucence of Zirconia Dental Ceramics with Different Y2O3 Content. Materials Research, 24( art. e20200402), 1-12. doi:10.1590/1980-5373-mr-2020-0402 -
NLM
Alves MFRP, Ribeiro S, Suzuki PA, Strecker K, Santos C dos. Effect of Fe2O3 Addition and Sintering Temperature on mechanical Properties and Translucence of Zirconia Dental Ceramics with Different Y2O3 Content [Internet]. Materials Research. 2021 ;24( art. e20200402): 1-12.[citado 2025 dez. 30 ] Available from: https://doi.org/10.1590/1980-5373-mr-2020-0402 -
Vancouver
Alves MFRP, Ribeiro S, Suzuki PA, Strecker K, Santos C dos. Effect of Fe2O3 Addition and Sintering Temperature on mechanical Properties and Translucence of Zirconia Dental Ceramics with Different Y2O3 Content [Internet]. Materials Research. 2021 ;24( art. e20200402): 1-12.[citado 2025 dez. 30 ] Available from: https://doi.org/10.1590/1980-5373-mr-2020-0402 - Effect of surface finishing and thickness on the translucency of zirconia dental ceramis
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Informações sobre o DOI: 10.1590/1980-5373-mr-2020-0402 (Fonte: oaDOI API)
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