NEXT GENERATION ALUMINA BINDER FOR CEMENT-FREE CASTABLES

被引：0

作者：

Lifton, V. A. ^{[1
]}

Tontrup, Ch. ^{[2
]}

Lipinski, T. von Rymon ^{[3
]}

机构：

[1] Evonik Corp, Parsippany, NJ 07054 USA

[2] Evonik Ind AG, Essen, Germany

[3] Inst Appl Technol, Munich, Germany

来源：

PROCEEDINGS OF THE UNIFIED INTERNATIONAL TECHNICAL CONFERENCE ON REFRACTORIES (UNITECR 2013) | 2014年

关键词：

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A binder for cement-and silica-free castables based on aqueous dispersion of nanostructured alumina powder is described. The binder, VP Disp W 450 XC, is characterized by high solids content of 50 wt. %, long-term stability at neutral to alkaline pH values and only trace amounts of sodium, which improves its use in high temperature applications. We show that Hot Crushing Strength of refractory alumina castables achieved with this binder is approx. 40 % higher than HCC of alumina castables made with the sodium-containing binder. We demonstrate that sodium-free stabilization of the binder does not lead to degradation of other mechanical properties of the castables.

引用

页码：1019 / +

页数：2

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