氧化物-碳和一氧化碳化学反应的热力学分析，以便为碳纳米管增强刚玉陶瓷选择添加剂

Steklo i Keramika Pub Date : 2023-08-01 DOI:10.14489/glc.2023.08.pp.026-032

M. I. Komarov, N. A. Makarov

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引用次数: 0

摘要

计算了ZrO2、Al2O3、SiO2、TiO2、CaO和MnO在1273 - 2273 К (1000 - 2000 С)温度范围内与碳和一氧化碳相互作用的吉布斯能，以选择Al2O3-ZrO2-共晶添加剂-碳纳米管体系中结构陶瓷的共晶添加剂。考虑到 Al2O3-ZrO2-共晶添加剂-碳纳米管体系中陶瓷基复合材料的多组分结构，有必要考虑可能出现的碳化过程，从而恶化合成材料的强度特性。分析结果表明，含有 Al2O3、SiO2、TiO2 和 CaO 的共晶添加剂在碳纳米管体系中会产生碳化现象。

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THERMODYNAMIC ANALYSIS OF OXIDE-CARBON AND CARBON MONOXIDE CHEMICAL REACTIONS IN ORDER TO SELECT ADDITIVES FOR CARBON NANOTUBE REINFORCED CORUNDUM CERAMICS

The calculation of Gibbs energy for reactions of interaction of ZrO2, Al2O3, SiO2, TiO2, CaO and MnO with carbon and carbon monoxide in temperature range 1273 – 2273 К (1000 – 2000 ?С) is made to select eutectic additive for structural ceramics in Al2O3–ZrO2–eutectic additive–carbon nanotube system. Considering the multi-component structure of the ceramic matrix composite in the system Al2O3–ZrO2–eutectic additive–carbon nanotube system, it is necessary to consider the process of possible carbidization, worsening the strength characteristics of the synthesized material. As a result of the analysis, it was found that eutectic additives containing Al2O3, SiO2, TiO2, CaO.

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Steklo i Keramika

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