首页> 外文会议>第七届国际耐火材料学术会议(ISR2016)论文集 >The Value of Additives in Refractory Castables-Part 2: Castables with Silica Fume
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The Value of Additives in Refractory Castables-Part 2: Castables with Silica Fume

机译:耐火浇注料中添加剂的价值,第2部分:硅粉浇铸料

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Part 1 of this paper covered low cement refractory castables without silica fume.These included tabular alumina and spinel based materials for the highest temperature applications.However,silica fume is widely used as a fine filler in low cement castables for intermediate and high temperature applications.The use of fine matrix fillers requires the addition of additives for homogeneous dispersion of the fine particles during wet mixing.Part 2 of this paper compares the performance of traditional and modern additive concepts in silica fume castables with regard to additive dosage, storage stability of the dry mix, flow properties, working and setting time and also the strength development during curing.
机译:本文的第1部分介绍了不含硅灰的低水泥耐火浇注料,其中包括用于高温应用的片状氧化铝和尖晶石基材料,但是,硅灰被广泛用作中高温应用的低水泥浇注料的优良填料。使用细基质填料需要添加添加剂,以使湿法混合过程中细颗粒均匀分散。本文的第二部分比较了传统和现代添加剂概念在硅粉浇铸料中的添加剂用量,贮藏稳定性。干混,流动性能,工作和固化时间以及固化过程中的强度发展。

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