Thermodynamic Analysis of Chemical Reactions of Oxides with Carbon and Carbon (II) Monoxide for Selecting Additives for Corundum Ceramic Reinforced with Carbon Nanotubes
{"title":"Thermodynamic Analysis of Chemical Reactions of Oxides with Carbon and Carbon (II) Monoxide for Selecting Additives for Corundum Ceramic Reinforced with Carbon Nanotubes","authors":"M. I. Komarov, N. A. Makarov","doi":"10.1007/s10717-023-00606-5","DOIUrl":null,"url":null,"abstract":"<div><div><p>The Gibbs energy is calculated for the chemical reactions of ZrO<sub>2</sub>, Al<sub>2</sub>O<sub>3</sub>, SiO<sub>2</sub>, TiO<sub>2</sub>, CaO, and MnO with carbon and carbon (II) monoxide in the temperature range 1273 – 2273 K (1000 – 2000°C) for selecting a eutectic additive for structural ceramics in the system Al<sub>2</sub>O<sub>3</sub>–ZrO<sub>2</sub> – eutectic additive – carbon nanotubes. Taking into account the multicomponent structure of the ceramic matrix composite in the Al<sub>2</sub>O<sub>3</sub>–ZrO<sub>2</sub> – eutectic additive – CNT system, it is necessary to consider the process of possible carbidization, which worsens the strength characteristics of the synthesized material. As a result of the analysis, it was found that eutectic additives containing Al<sub>2</sub>O<sub>3</sub>, SiO<sub>2</sub>, TiO<sub>2</sub>, and CaO can be recommended for use.</p></div></div>","PeriodicalId":579,"journal":{"name":"Glass and Ceramics","volume":"80 7-8","pages":"322 - 326"},"PeriodicalIF":0.6000,"publicationDate":"2023-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Glass and Ceramics","FirstCategoryId":"88","ListUrlMain":"https://link.springer.com/article/10.1007/s10717-023-00606-5","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"MATERIALS SCIENCE, CERAMICS","Score":null,"Total":0}
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Abstract
The Gibbs energy is calculated for the chemical reactions of ZrO2, Al2O3, SiO2, TiO2, CaO, and MnO with carbon and carbon (II) monoxide in the temperature range 1273 – 2273 K (1000 – 2000°C) for selecting a eutectic additive for structural ceramics in the system Al2O3–ZrO2 – eutectic additive – carbon nanotubes. Taking into account the multicomponent structure of the ceramic matrix composite in the Al2O3–ZrO2 – eutectic additive – CNT system, it is necessary to consider the process of possible carbidization, which worsens the strength characteristics of the synthesized material. As a result of the analysis, it was found that eutectic additives containing Al2O3, SiO2, TiO2, and CaO can be recommended for use.
期刊介绍：
Glass and Ceramics reports on advances in basic and applied research and plant production techniques in glass and ceramics. The journal''s broad coverage includes developments in the areas of silicate chemistry, mineralogy and metallurgy, crystal chemistry, solid state reactions, raw materials, phase equilibria, reaction kinetics, physicochemical analysis, physics of dielectrics, and refractories, among others.
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