1988
DOI: 10.1007/bf00679770
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Effect of structure and degree of dispersion of alumina on properties of porcelain

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Cited by 4 publications
(6 citation statements)
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“…It is widely discussed in the literature that the particle size of alumina has a large influence on the mechanical strength of aluminous porcelains. It has been shown that the size and shape of alumina crystals have a significant effect on the properties of porcelain and suggested that the size of the alumina particles should not exceed 3 mm and the particles must be quite well dispersed in the matrix [40]. In this study, the average particle size of alumina used is about 0.9 mm, and a tendency to agglomerate was observed by SEM.…”
Section: Temperature (ºC) Apparent Porosity (%)mentioning
confidence: 53%
“…It is widely discussed in the literature that the particle size of alumina has a large influence on the mechanical strength of aluminous porcelains. It has been shown that the size and shape of alumina crystals have a significant effect on the properties of porcelain and suggested that the size of the alumina particles should not exceed 3 mm and the particles must be quite well dispersed in the matrix [40]. In this study, the average particle size of alumina used is about 0.9 mm, and a tendency to agglomerate was observed by SEM.…”
Section: Temperature (ºC) Apparent Porosity (%)mentioning
confidence: 53%
“…al. [37] que mostraram que o tamanho e a forma dos cristais de alumina tem significante efeito nas propriedades das porcelanas e sugerem que para se obter porcelanas com bom desempenho mecânico, o tamanho dos grãos de alumina não deve exceder 3 µm e devem estar completamente dispersos.…”
Section: Hipótese De Reforço Por Dispersão De Partículasunclassified
“…al. [37]. Liebermann [40] sugeriu vários procedimentos para aumentar a resistência de porcelanas aluminosas.…”
Section: Hipótese De Reforço Por Dispersão De Partículasunclassified
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“…As porcelanas formadas por alumina, feldspato e caulim são chamadas de porcelanas aluminosas e são utilizadas na fabricação de isoladores elétricos de alta tensão, por possuírem propriedades dielétricas adequadas e propriedades mecânicas superiores às das porcelanas que utilizam o quartzo [4,5]. Em porcelanas contendo alumina, a resistência mecânica é dependente do tamanho e forma das partículas de alumina dispersas na microestrutura [6]. Além disso, o módulo elástico da alumina é maior do que o do quartzo, o que também induz um aumento de resistência mecânica [7].…”
Section: Introductionunclassified