Effects of h-BN addition on microstructures and mechanical properties of β-CaSiO3 bioceramics

被引：3
|
作者：
Pan, Ying [1 ,2 ]
Yao, Dongxu [1 ]
Zuo, Kaihui [1 ]
Xia, Yongfeng [1 ]
Yin, Jinwei [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] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
来源：
JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS | 2016年 / 62卷
基金：
中国国家自然科学基金;
关键词：
beta-CaSiO3; h-BN; Glassy phase; Mechanical properties; Bioceramic; LOW-TEMPERATURE; DIELECTRIC-PROPERTIES; CAO-B2O3-SIO2; GLASS; MAGNETIC-PROPERTIES; CERAMICS; SYSTEM; NANOCOMPOSITE; BIOACTIVITY;
D O I：
10.1016/j.jmbbm.2016.05.014
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
The main purpose of this study consists in investigating the effects of h-BN addition on the sinterability of beta-CaSiO3 (beta-CS) bioceramics. beta-CS bioceramics with different contents of h-BN were prepared at the sintering temperature ranging from 800 degrees C to 1100 degrees C. The results showed that h-EN can be successfully used as sintering additive by being oxidized to form low melting point B2O3 related glassy phase and enhanced the flexural strength by the formation of rod-like beta-CS grains. beta-CS bioceramics with 1 we% h-BN sintered at 1000 degrees C revealed flexural strength and fracture toughness of 182.2 MPa and 2.4 MPa m(1/2) respectively, which were much higher than that of pure beta-CS bioceramics (30.2 MPa, 0.53 MPa m(1/2)) fabricated in the same processing condition. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：275 / 281
页数：7
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