Microstructure and mechanical properties of porous alumina ceramic prepared by a combination of 3-D printing and sintering

被引：27
|
作者：
Li, Xiangming [1 ]
Gao, Mingjun [1 ]
Jiang, Yun [2 ]
机构：
[1] Yantai Univ, Sch Environm & Mat Engn, Yantai 264005, Shandong, Peoples R China
[2] Northwest A&F Univ, Dept Foreign Languages, Yangling 712100, Shaanxi, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2016年 / 42卷 / 10期
基金：
中国国家自然科学基金;
关键词：
3-D printing; Alumina; Porous; Microstructure; Mechanical properties; SI3N4; CERAMICS; CRYSTALLIZATION; INFILTRATION; FABRICATION; BEHAVIOR;
D O I：
10.1016/j.ceramint.2016.05.027
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：
Porous alumina ceramic was prepared with a combined technique of three-dimensional printing and sintering. The optimal sintering temperature for porous alumina ceramic is in the range of 1300-1400 degrees C. The CaSO4-dextrin content of green body has a decisive effect on the phase composition and flexural strength but a little effect on the porosity and Vickers hardness of porous alumina ceramic. The alumina ceramic prepared from the green body with CaSO4-dextrin content in the range of 12-16 wt% possesses a flexural strength higher than 80 MPa, a porosity of about 50% and a tailored microstructure, which is a promising material for engineering applications. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：12531 / 12535
页数：5
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