作者：ZHOU Ningsheng;LIU Min;ZHANG Sanhua;
作者單位：High Temperature Materials Institute, Henan University of Science and Technology, Luoyang 471003, China;ri.kyoto-u.ac.jp;ri.kyoto-u.ac.jp
刊名：China's Refractories
ISSN：1004-4493
出版年：2006-01-05
卷：15
期：4
起頁：3
止頁：6
分類號：TQ175
語種：英文
關鍵詞：Binding;Flowability;Thermal behavior;Alumina based castables;
內容簡介Thermal behavior and physical properties of castables during curing and drying-out are associated with their binding system. In this work, five alumina based (Al_2O_3 >87 percent) castables with different combinations of binding materials, i. e., (1) CA cement (CA) + Reactive alumina (RA) +H_2O; (2) high level addition of CA + Microsilica (MS) + H_2O; (3) low level addition of CA + MS + H_2O; (4) MS + Hydratable alumina + H_2O and (5) MS + Magnesia + H_2O, respectively, have been investigated on the flowability and thermal behavior during curing at room temperature, drying at 110 deg C and heating from 200 deg C to 1000 deg C at an interval of 100 deg C , in terms of water addition, vibration flow value, porosity, dehydration, explosion resistance, cold and hot bending strengths. Differences in dehydrating behavior and the mentioned properties have been revealed and correlated to the binding system.
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