Low-temperature fabrication of anorthite ceramics from kaolinite and calcium carbonate with boron oxide addition

被引：60

作者：

Mergen, A

Aslanoglu, VZ

机构：

[1] Eti Holdings AS, ARGE Dairesi Baskanligi, Ankara, Turkey

[2] Sakarya Univ, Adapazari, Turkey

来源：

CERAMICS INTERNATIONAL | 2003年 / 29卷 / 06期

关键词：

sintering; anorthite; kaolinite; calcite; boron oxide;

D O I：

10.1016/S0272-8842(02)00215-8

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Anorthite ceramics were fabricated by using groleg kaolinite, calcite and quartz with addition of boron oxide and without the need of very fine particles. Single phase anorthite ceramic with a density of 87% of the therotical was obtained at a sintering temperature of 950 degreesC. Moreover. no single anorthite phase could be obtained from boron free specimens even at a sintering temperature of 1100 degreesC. SEM investigation revealed that although boron free samples contain very small crystals together with some larger grains, boron containing samples generally had a fine grained matrix of crystals. (C) 2003 Elsevier Ltd and Techna S.r.l. All rights reserved.

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页码：667 / 670

页数：4

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