赛德利基高岭土相变及热行为表征

E. Kurovics, O. Kotova, J. F. Ibrahim, M. Tihtih, Shiyong Sun, Péter Pala, L. Gömze
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引用次数: 4

摘要

研究了不同烧结温度对高岭土性能的影响。制备了高岭土粉末和高岭土与10 m%氧化铝的混合物,并测定了它们的烧结性能(TG、DTG、DTA、高度)。将粉末压实球团,在450℃、575℃、775℃、870℃、1100℃的温度下烧结。研究了烧结试样的体积收缩率、烧结失重、显微组织和相组成。在450℃烧结时,试样体积增大;随着温度的进一步升高,可以观察到体积的连续减小。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Characterization of phase transformation and thermal behavior of Sedlecky Kaolin
The authors have examined how the properties are changing using different sintering temperature based on the kaolin. Kaolin powder and a mixture of kaolin and 10 m% alumina was made and measured their sintering properties (TG, DTG, DTA, height). Pellets were compacted from the powders and sintered at 450 °C, 575 °C, 775 °C, 870 °C, 1100 °C temperature. The volume shrinkage, sintering weight losses, microstructure and phase composition of sintered specimens were investigated. In the case of sintering at 450 °C the volume of the samples increased; with a further increase of the temperature a continuous volume decrease can be observed.
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