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Влияние механической и термической обработки реакционных смесей 2ZnO -2Al2O3]-5SiO2 на фазовый состав, свойства и кинетику процессов образования керамических материалов

Влияние механической и термической обработки реакционных смесей 2ZnO -2Al2O3]-5SiO2 на фазовый состав, свойства и кинетику процессов образования керамических материалов

Abstract

Изучена кинетика процессов фазообразования алюмината цинка ZnAl2O4 в реакционных смесях состава 2ZnO · 2Al2O3 · 5SiO2 и в реакционных смесях того же состава, предварительно термически и механически обработанных. Рассчитаны значения констант кинетических уравнений и энергий активации данных процессов. Установлено, что предварительная обработка реакционных смесей 2ZnO · 2Al2O3 · 5SiO2 приводит к увеличению скорости превращения в ходе процессов фазообразования без изменения качественного состава продуктов взаимодействия. Активизация процессов фазообразования в реакционных смесях, подвергнутых предварительной обработке, способствует получению керамики с требуемыми физико-химическими, тепло и электрофизическими свойствами при температурах синтеза на 250–300°С ниже по сравнению с материалом, полученным из предварительно не обработанных реакционных смесей.

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Keywords

фазообразование, алюминат цинка, керамические материалы, термостойкие материалы, модифицирующие добавки, электроизоляционные материалы

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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