Influence of bone porcelain scraps on the physical characteristics and phase composition of a hard porcelain body

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Abstract

Hard porcelain is constituted in the alkali oxides-alumina-silica ternary system, and produced by a mixture of clay-feldspar and silica. The most important properties of this porcelain are high mechanical strength, translucency and whiteness. These properties depend on quality of raw material, firing temperature and soaking time. In bone porcelain bone ash was added to body composition up to 50 wt.%. Generally hard porcelain and bone porcelain scrap cannot be reused in body composition. Whereas using these scrap could help natural resources. In this research using bon porcelain scraps in hard porcelain body have been investigated. Results show, this substitution decrease firing temperature, linear expansion and increase glass, probability of deformation and total shrinkage. Using 6 wt.% bone porcelain scraps to hard porcelain body composition besides improving some properties, increases 1340 °C firing mechanical strength two times and helps natural resources.

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Nodeh, A. A. (2017). Influence of bone porcelain scraps on the physical characteristics and phase composition of a hard porcelain body. Boletin de La Sociedad Espanola de Ceramica y Vidrio, 56(3), 113–118. https://doi.org/10.1016/j.bsecv.2017.04.003

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