Mullite ceramics derived from coal fly ash

被引：81

作者：

Jung, JS ^{[1
]}

Park, HC

Stevens, R

机构：

[1] Pusan Natl Univ, Div Engn & Mat Sci, Pusan 609735, South Korea

[2] Univ Bath, Dept Appl Sci & Engn, Bath BA2 9JT, Avon, England

来源：

JOURNAL OF MATERIALS SCIENCE LETTERS | 2001年 / 20卷 / 12期

关键词：

D O I：

10.1023/A:1010934728570

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Low density (63% of theoretical) mullite ceramics with low porosity were fabricated by the reaction sintering at ~1500°C, of appropriate mixtures of coal fly ash and Al2O3 powders. The fracture strength of mullite materials appeared to be controlled by the mullite grain shape and size, and the void size. An addition of 3Y-PSZ powders inhibited grain growth of the mullite and enhanced the fracture strength.

引用

页码：1089 / 1091

页数：3

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