Grain Growth Kinetics of 0.65Ca<sub>0.61</sub>La<sub>0.26</sub>TiO<sub>3</sub>-0.35Sm(Mg<sub>0.5</sub>Ti<sub>0.5</sub>)O<sub>3</sub> Dielectric Ceramic

Grain Growth Kinetics of 0.65Ca<sub>0.61</sub>La<sub>0.26</sub>TiO<sub>3</sub>-0.35Sm(Mg<sub>0.5</sub>Ti<sub>0.5</sub>)O<sub>3</sub> Dielectric Ceramic

The 0.65Ca<sub>0.61</sub>La<sub>0.26</sub>TiO<sub>3</sub>-0.35Sm(Mg<sub>0.5</sub>Ti<sub>0.5</sub>)O<sub>3</sub>[0.65CLT-0.35SMT] ceramic was prepared by the solid-state reaction method. The effects of sintering process on its mi...

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Bibliographic Details
Main Authors: Jin Liu, Bingliang Liang, Jianjun Zhang, Wen He, Sheng Ouyang, Weihua Chen, Changhong Liu, Yunlong Ai
Format: Article
Language:English
Published: MDPI AG 2020-09-01
Series:Materials
Subjects:
CLT-SMT ceramic
growth models
nonlinear regression
dielectric materials
Online Access:https://www.mdpi.com/1996-1944/13/17/3905
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spelling doaj-bccbc01d6a604cf3b0b8ed0b25a502b12020-11-25T03:17:43ZengMDPI AGMaterials1996-19442020-09-01133905390510.3390/ma13173905Grain Growth Kinetics of 0.65Ca<sub>0.61</sub>La<sub>0.26</sub>TiO<sub>3</sub>-0.35Sm(Mg<sub>0.5</sub>Ti<sub>0.5</sub>)O<sub>3</sub> Dielectric CeramicJin Liu0Bingliang Liang1Jianjun Zhang2Wen He3Sheng Ouyang4Weihua Chen5Changhong Liu6Yunlong Ai7Key Laboratory for Microstructural Control of Metallic Materials of Jiangxi Province, Nanchang Hangkong University, Nanchang 330063, ChinaKey Laboratory for Microstructural Control of Metallic Materials of Jiangxi Province, Nanchang Hangkong University, Nanchang 330063, ChinaKey Laboratory for Microstructural Control of Metallic Materials of Jiangxi Province, Nanchang Hangkong University, Nanchang 330063, ChinaKey Laboratory for Microstructural Control of Metallic Materials of Jiangxi Province, Nanchang Hangkong University, Nanchang 330063, ChinaKey Laboratory for Microstructural Control of Metallic Materials of Jiangxi Province, Nanchang Hangkong University, Nanchang 330063, ChinaKey Laboratory for Microstructural Control of Metallic Materials of Jiangxi Province, Nanchang Hangkong University, Nanchang 330063, ChinaKey Laboratory for Microstructural Control of Metallic Materials of Jiangxi Province, Nanchang Hangkong University, Nanchang 330063, ChinaKey Laboratory for Microstructural Control of Metallic Materials of Jiangxi Province, Nanchang Hangkong University, Nanchang 330063, ChinaThe 0.65Ca<sub>0.61</sub>La<sub>0.26</sub>TiO<sub>3</sub>-0.35Sm(Mg<sub>0.5</sub>Ti<sub>0.5</sub>)O<sub>3</sub>[0.65CLT-0.35SMT] ceramic was prepared by the solid-state reaction method. The effects of sintering process on its microstructure and grain growth behavior were investigated. The Hillert model and a simplified Sellars model were established by linear regression, and the Sellars-Anelli model with a time index was established by using a nonlinear regression method. The results show that the grain size gradually increases with the increase of sintering temperature and holding time. Meanwhile, the sintering temperature has a more significant effect on the grain growth. The grain sizes of 0.65CLT-0.35SMT ceramic were predicted by the three models and compared with the experimentally measured grain size. The results indicate that for the 0.65CLT-0.35SMT ceramic, the Hillert model has the lowest prediction accuracy and the Sellars-Anelli model, the highest prediction accuracy. In this work, the Sellars-Anelli model can effectively predict the grain growth process of 0.65CLT-0.35SMT ceramic.https://www.mdpi.com/1996-1944/13/17/3905CLT-SMT ceramicgrowth modelsnonlinear regressiondielectric materials
collection DOAJ
language English
format Article
sources DOAJ
author Jin Liu
Bingliang Liang
Jianjun Zhang
Wen He
Sheng Ouyang
Weihua Chen
Changhong Liu
Yunlong Ai
spellingShingle Jin Liu
Bingliang Liang
Jianjun Zhang
Wen He
Sheng Ouyang
Weihua Chen
Changhong Liu
Yunlong Ai
Grain Growth Kinetics of 0.65Ca<sub>0.61</sub>La<sub>0.26</sub>TiO<sub>3</sub>-0.35Sm(Mg<sub>0.5</sub>Ti<sub>0.5</sub>)O<sub>3</sub> Dielectric Ceramic
Materials
CLT-SMT ceramic
growth models
nonlinear regression
dielectric materials
author_facet Jin Liu
Bingliang Liang
Jianjun Zhang
Wen He
Sheng Ouyang
Weihua Chen
Changhong Liu
Yunlong Ai
author_sort Jin Liu
title Grain Growth Kinetics of 0.65Ca<sub>0.61</sub>La<sub>0.26</sub>TiO<sub>3</sub>-0.35Sm(Mg<sub>0.5</sub>Ti<sub>0.5</sub>)O<sub>3</sub> Dielectric Ceramic
title_short Grain Growth Kinetics of 0.65Ca<sub>0.61</sub>La<sub>0.26</sub>TiO<sub>3</sub>-0.35Sm(Mg<sub>0.5</sub>Ti<sub>0.5</sub>)O<sub>3</sub> Dielectric Ceramic
title_full Grain Growth Kinetics of 0.65Ca<sub>0.61</sub>La<sub>0.26</sub>TiO<sub>3</sub>-0.35Sm(Mg<sub>0.5</sub>Ti<sub>0.5</sub>)O<sub>3</sub> Dielectric Ceramic
title_fullStr Grain Growth Kinetics of 0.65Ca<sub>0.61</sub>La<sub>0.26</sub>TiO<sub>3</sub>-0.35Sm(Mg<sub>0.5</sub>Ti<sub>0.5</sub>)O<sub>3</sub> Dielectric Ceramic
title_full_unstemmed Grain Growth Kinetics of 0.65Ca<sub>0.61</sub>La<sub>0.26</sub>TiO<sub>3</sub>-0.35Sm(Mg<sub>0.5</sub>Ti<sub>0.5</sub>)O<sub>3</sub> Dielectric Ceramic
title_sort grain growth kinetics of 0.65ca<sub>0.61</sub>la<sub>0.26</sub>tio<sub>3</sub>-0.35sm(mg<sub>0.5</sub>ti<sub>0.5</sub>)o<sub>3</sub> dielectric ceramic
publisher MDPI AG
series Materials
issn 1996-1944
publishDate 2020-09-01
description The 0.65Ca<sub>0.61</sub>La<sub>0.26</sub>TiO<sub>3</sub>-0.35Sm(Mg<sub>0.5</sub>Ti<sub>0.5</sub>)O<sub>3</sub>[0.65CLT-0.35SMT] ceramic was prepared by the solid-state reaction method. The effects of sintering process on its microstructure and grain growth behavior were investigated. The Hillert model and a simplified Sellars model were established by linear regression, and the Sellars-Anelli model with a time index was established by using a nonlinear regression method. The results show that the grain size gradually increases with the increase of sintering temperature and holding time. Meanwhile, the sintering temperature has a more significant effect on the grain growth. The grain sizes of 0.65CLT-0.35SMT ceramic were predicted by the three models and compared with the experimentally measured grain size. The results indicate that for the 0.65CLT-0.35SMT ceramic, the Hillert model has the lowest prediction accuracy and the Sellars-Anelli model, the highest prediction accuracy. In this work, the Sellars-Anelli model can effectively predict the grain growth process of 0.65CLT-0.35SMT ceramic.
topic CLT-SMT ceramic
growth models
nonlinear regression
dielectric materials
url https://www.mdpi.com/1996-1944/13/17/3905
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