Fabrication and properties of porous anorthite ceramics with modelling pore structure

被引：29
|
作者：
Li, Cuiwei [1 ]
Han, Yao [1 ]
Wu, Linghao [1 ]
Chen, Kepi [2 ]
An, Li-nan [3 ]
机构：
[1] Beijing Jiaotong Univ, Sch Mech Elect & Control Engn, Beijing 100044, Peoples R China
[2] North China Elect Power Univ, Sch Energy Power & Mech Engn, Beijing 102206, Peoples R China
[3] Univ Cent Florida, Dept Mat Sci & Engn, Orlando, FL 32816 USA
来源：
MATERIALS LETTERS | 2017年 / 190卷
基金：
中国国家自然科学基金;
关键词：
Porous materials; Ceramics; Microstructure; Thermal properties; Compressive strength; LOW THERMAL-CONDUCTIVITY;
D O I：
10.1016/j.matlet.2016.12.131
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A single-phased anorthite porous ceramics was fabricated by foam-gelcasting technique using alpha-Al2O3, CaCO3 and SiO2 as starting material. Through adjusting foaming agent concentration and solid content in the slurry, tailored porosity (62-91%), pore size (7-350 mu m), thermal conductivity (0.04-0.27 W/m.K) and compressive strength (0.27-13.39 MPa) were obtained. The experimental thermal conductivity was in good agreement with the universal model. The dependence of compressive strength on porosity can be described by the Gibson model. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：95 / 98
页数：4
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