Effect of sintering parameters using the central composite design method, electronic structure and physical properties of yttria-partially stabilized ZrO2 commercial ceramics

In this work, the effect of sintering parameters on electronic structure and physical properties of yttria-partially stabilized ZrO2 (YPSZ) commercial ceramics has been studied using the central composite design (CCD) method. The CCD method allows using empirical modelling with better fitting, by co...

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Principais autores: Paskocimas, Carlos Alberto, Mendes, A. M., Nascimento, Maria Carolina Burgos Costa do, Araújo, V. D., Motta, Fabiana Villela da, Acchar, Wilson, Silva, Elson Longo da, Delmonte, Maurício Roberto Bomio, Cavalcante, L. S.
Formato: article
Idioma:English
Publicado em: Sciendo
Assuntos:
YPSZ ceramics
Electronic structure
Central composite design
Hardness
Shrinkage
Endereço do item:https://repositorio.ufrn.br/handle/123456789/32268
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spelling ri-123456789-322682021-08-11T18:01:40Z Effect of sintering parameters using the central composite design method, electronic structure and physical properties of yttria-partially stabilized ZrO2 commercial ceramics Paskocimas, Carlos Alberto Mendes, A. M. Nascimento, Maria Carolina Burgos Costa do Araújo, V. D. Motta, Fabiana Villela da Acchar, Wilson Silva, Elson Longo da Delmonte, Maurício Roberto Bomio Cavalcante, L. S. YPSZ ceramics Electronic structure Central composite design Hardness Shrinkage In this work, the effect of sintering parameters on electronic structure and physical properties of yttria-partially stabilized ZrO2 (YPSZ) commercial ceramics has been studied using the central composite design (CCD) method. The CCD method allows using empirical modelling with better fitting, by considering the interaction between both factors. Different temperature ranges and sintering times for processing of YPSZ ceramics have been used in order to evaluate the grain growth, hardness and volumetric shrinkage by the CCD method. X-ray diffraction patterns and Rietveld refinement data indicate that non-sintered YPSZ ceramics exhibits two phases related to tetragonal and monoclinic structures, while the sintered YPSZ ceramics exhibits a single phase related to a tetragonal structure. Moreover, the monoclinic structure presents zirconium (Zr) atoms coordinated to seven oxygen (O) atoms, while in the tetragonal structure Zr atoms are coordinated to eight O atoms. Field emission scanning electron microscopy images were employed to monitor the sintering and growth process. In addition, the response surfaces obtained from calculations presented the effect of thermal and kinetic variables on the physical properties such as average grain size, volumetric shrinkage and hardness of YPSZ ceramics 2021-04-19T13:43:15Z 2021-04-19T13:43:15Z 2017-02-24 article MENDES, A.M.; COSTA, M.C.B.; ARAðJO, V.D.; MOTTA, F.V.; PASKOCIMAS, C.A.; ACCHAR, W.; LONGO, E.; BOMIO, M.R.D.; CAVALCANTE, L.s.. Effect of sintering parameters using the central composite design method, electronic structure and physical properties of yttria-partially stabilized ZrO2 commercial ceramics. Materials Science-Poland, [S.L.], v. 35, n. 1, p. 225-238, 24 fev. 2017. Disponível em: https://sciendo.com/article/10.1515/msp-2017-0035. Acesso em: 11 dez. 2020. http://dx.doi.org/10.1515/msp-2017-0035. 2083-134X https://repositorio.ufrn.br/handle/123456789/32268 10.1515/msp-2017-0035 en Attribution-NonCommercial-NoDerivs 3.0 Brazil http://creativecommons.org/licenses/by-nc-nd/3.0/br/ application/pdf Sciendo
institution Repositório Institucional
collection RI - UFRN
language English
topic YPSZ ceramics
Electronic structure
Central composite design
Hardness
Shrinkage
spellingShingle YPSZ ceramics
Electronic structure
Central composite design
Hardness
Shrinkage
Paskocimas, Carlos Alberto
Mendes, A. M.
Nascimento, Maria Carolina Burgos Costa do
Araújo, V. D.
Motta, Fabiana Villela da
Acchar, Wilson
Silva, Elson Longo da
Delmonte, Maurício Roberto Bomio
Cavalcante, L. S.
Effect of sintering parameters using the central composite design method, electronic structure and physical properties of yttria-partially stabilized ZrO2 commercial ceramics
description In this work, the effect of sintering parameters on electronic structure and physical properties of yttria-partially stabilized ZrO2 (YPSZ) commercial ceramics has been studied using the central composite design (CCD) method. The CCD method allows using empirical modelling with better fitting, by considering the interaction between both factors. Different temperature ranges and sintering times for processing of YPSZ ceramics have been used in order to evaluate the grain growth, hardness and volumetric shrinkage by the CCD method. X-ray diffraction patterns and Rietveld refinement data indicate that non-sintered YPSZ ceramics exhibits two phases related to tetragonal and monoclinic structures, while the sintered YPSZ ceramics exhibits a single phase related to a tetragonal structure. Moreover, the monoclinic structure presents zirconium (Zr) atoms coordinated to seven oxygen (O) atoms, while in the tetragonal structure Zr atoms are coordinated to eight O atoms. Field emission scanning electron microscopy images were employed to monitor the sintering and growth process. In addition, the response surfaces obtained from calculations presented the effect of thermal and kinetic variables on the physical properties such as average grain size, volumetric shrinkage and hardness of YPSZ ceramics
format article
author Paskocimas, Carlos Alberto
Mendes, A. M.
Nascimento, Maria Carolina Burgos Costa do
Araújo, V. D.
Motta, Fabiana Villela da
Acchar, Wilson
Silva, Elson Longo da
Delmonte, Maurício Roberto Bomio
Cavalcante, L. S.
author_facet Paskocimas, Carlos Alberto
Mendes, A. M.
Nascimento, Maria Carolina Burgos Costa do
Araújo, V. D.
Motta, Fabiana Villela da
Acchar, Wilson
Silva, Elson Longo da
Delmonte, Maurício Roberto Bomio
Cavalcante, L. S.
author_sort Paskocimas, Carlos Alberto
title Effect of sintering parameters using the central composite design method, electronic structure and physical properties of yttria-partially stabilized ZrO2 commercial ceramics
title_short Effect of sintering parameters using the central composite design method, electronic structure and physical properties of yttria-partially stabilized ZrO2 commercial ceramics
title_full Effect of sintering parameters using the central composite design method, electronic structure and physical properties of yttria-partially stabilized ZrO2 commercial ceramics
title_fullStr Effect of sintering parameters using the central composite design method, electronic structure and physical properties of yttria-partially stabilized ZrO2 commercial ceramics
title_full_unstemmed Effect of sintering parameters using the central composite design method, electronic structure and physical properties of yttria-partially stabilized ZrO2 commercial ceramics
title_sort effect of sintering parameters using the central composite design method, electronic structure and physical properties of yttria-partially stabilized zro2 commercial ceramics
publisher Sciendo
publishDate 2021
url https://repositorio.ufrn.br/handle/123456789/32268
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