Effects of silica sol on the microstructure and mechanical properties of CaSiO3 bioceramics

被引：9

作者：

Pan, Ying ^{[1
,2
]}

Yin, Jinwei ^{[1
]}

Yao, Dongxu ^{[1
]}

Zuo, Kaihui ^{[1
]}

Xia, Yongfeng ^{[1
]}

Liang, Hanqin ^{[1
]}

Zeng, YuPing ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China

[2] Grad Sch Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

MATERIALS SCIENCE AND ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS | 2016年 / 64卷

基金：

中国国家自然科学基金;

关键词：

CaSiO3; Silica sol; Sintering additive; Mechanical properties; BIOLOGICAL-PROPERTIES; MAGNETIC-PROPERTIES; GRAIN-GROWTH; HYDROXYAPATITE; WOLLASTONITE; BIOACTIVITY; COMPOSITE; B2O3; ADDITIVES; SCAFFOLDS;

D O I：

10.1016/j.msec.2016.03.109

中图分类号：

TB3 [工程材料学]; R318.08 [生物材料学];

学科分类号：

0805 ; 080501 ; 080502 ;

摘要：

CaSiO3 ceramics were fabricated with silica sol addition by pressureless sintering. The effects of silica sol on phase composition, microstructure and mechanical properties of CaSiO3 ceramics were investigated. The silica sol additive was found to be effective in speeding up pore elimination, improving the grain growth, decreasing the sintering temperature and shortening the sintering time. When the amount of SiO2 was 5 wt%, a flexural strength of 186.2 MPa was achieved with an open porosity of 3.9%. The main crystal phase was beta-CaSiO3 below sintering temperature of 1150 degrees C. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：336 / 340

页数：5

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