Effect of B2O3 on Volume Stability and Strength of Corundum-based Castables-Reference-Cited by-同舟云学术

Effect of B2O3 on Volume Stability and Strength of Corundum-based Castables

Published:2017-09-26 Issue:8 Volume:36 Page:831-834
ISSN:0334-6455
Container-title:High Temperature Materials and Processes
language:
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Author:

Zhang Chuanyin¹,Ye Guotian¹,Shang Xuejun¹,Zhai Pengtao¹,Chen Liugang¹²

Affiliation:

1. Henan Key Laboratory of High Temperature Functional Ceramics, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou450001, China

2. Department of Materials Engineering, KU Leuven, Leuven 3001, Belgium

Abstract

AbstractCalcium aluminate cements (CAC) with 0.21 wt% B2O3 and without B2O3 were used as binders of corundum-based castables. The properties of the castables with and without B2O3 after heat treatment at 110 °C, 1,100 °C and 1,450 °C were investigated, with emphasis on studying the effect of B2O3 in CAC on the volume stability and high temperature strength of the castables. It is found that a very small amount (about 0.01 wt%) of B2O3 introduced by the cement alleviates the expansion of the castables after firing at 1,450 °C and decreases the high-temperature strength of castables as the presence of B2O3 should generate liquid phase.

Publisher

Walter de Gruyter GmbH

Subject

Physical and Theoretical Chemistry,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

https://www.degruyter.com/downloadpdf/journals/htmp/36/8/article-p831.xml

Reference18 articles.

1. Effect of curing time on the properties of CAC bonded refractory castables

2. Reactive alumina production for the refractory industry

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