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J. Korean Ceram. Soc. > Volume 27(7); 1990 > Article
Journal of the Korean Ceramic Society 1990;27(7): 877.
금속 Al분말 첨가 Castable 내화물의 특성
김효준, 김인술, 이상완
산업과학기술연구소 내화물연구실
Properties of Castable REfractories Containing Metallic Al Powder
Effects of metallic Al powder addition on basic and thermal properties of castable refractories were investigated. Generally, low grade prooperties were obtained by metallic Al powder addition with the increase of temperature, comparing with those of non-addition of Al powder. Especially, Al addtion showed severe shrinkage, corrosiion and low strength above 1000$^{circ}C$. As a result of Al addition, lower strength of and higher corrosion resistance were shown for 2% addition, but it was reversed for above 4% addition. It was found that Al addition was excellent in the explosive spalling test regardless of Al quantity.
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