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- Title
以微孔刚玉-尖晶石骨料替代刚玉骨料 制备刚玉-尖晶石浇注料.
- Authors
刘学新; 张锦化; 陈鑫铭; 王景然; 杨宗源; 韩兵强; 柯昌明
- Abstract
To improve the thermal insulation properties of corundum-spinel castables for the steel ladle working lining, the castables were prepared using microporous corundum-spinel aggregates to partially or totally replace sintered corundum aggregates with the same grain size. Effects of the aggregates on the bulk density, porosity, mechanical strength, thermal conductivity and slag resistance were investigated. The results indicate that, when the sintered corundum aggregates were substituted by microporous corundum- spinel aggregates partially or totally with the same grain size, the bulk density and thermal conductivity decrease remarkably, and the slag resistance is similar. As the working lining, the developed castables are beneficial to reducing the ladle mass and improving ladle insulation performance.
- Publication
Refractories / Naihuo Cailiao, 2023, Vol 57, Issue 6, p514
- ISSN
1001-1935
- Publication type
Article
- DOI
10.3969/j.issn.1001-1935.2023.06.011