The effects of corundum, magnesia and spinel additions on theological properties of matrix of bauxite- based castables were studied using bauxite, fused white corundum, magnesia, spinel, microsilica, ultra-fine α-Al2...The effects of corundum, magnesia and spinel additions on theological properties of matrix of bauxite- based castables were studied using bauxite, fused white corundum, magnesia, spinel, microsilica, ultra-fine α-Al2O3 and cement as starting materials and trimeric sodium phosphate as dispersant. The results show： （1） the matrix slurry of bauxite-based castables belongs to Bingham fluid and shows thixotropy behaior ; （2） appropriate corundum addition improves theological properties the matrix; （ 3 ） magnesia addition is detrimental to matrix theological properties; （4） spinel addition has slightly negative effects on matrix theological properties.展开更多
基金supported by Science Fund for Distinguished Young Scholars of Henan Province ( No.124100510019)Henan Scientific and Technological Research Projects ( 112102210095 )the Education Department of Henan Province Natural Science Foundation ( 2011A430024)
文摘The effects of corundum, magnesia and spinel additions on theological properties of matrix of bauxite- based castables were studied using bauxite, fused white corundum, magnesia, spinel, microsilica, ultra-fine α-Al2O3 and cement as starting materials and trimeric sodium phosphate as dispersant. The results show： （1） the matrix slurry of bauxite-based castables belongs to Bingham fluid and shows thixotropy behaior ; （2） appropriate corundum addition improves theological properties the matrix; （ 3 ） magnesia addition is detrimental to matrix theological properties; （4） spinel addition has slightly negative effects on matrix theological properties.
