礬土 : 珪酸系耐火物のマトリツクスの研究

概要

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The performance of alumino-silica refractories for steel ingot making depends upon the nature of their matrix part which is changed by the minerals used as the raw materials as well as by the composition of the refractories.In this study, various tests were carried out on several bricks having different matrix part which were prepared under definite moisture content of raw materials, fixed moulding pressure and burning temperature, using definite kinds of clay, pyrophyllite and grogs calcined at different temperatures.It has found that the porosity of the brick was larger when the grog calcined at higher temperature was used.Higher corrosion resistance was obtained for pyrophyllite matrix than precalcined clay matrix, whereas the spalling tendency was improved by the latter, in spite of its higher modulus of elasticity, due probably to its lower thermal expansion.
社団法人日本セラミックス協会の論文
1956-02-01