Hydroxyapatite reinforced with Ti-Fe particle: correlation between composition, microstructure and mechanical properties

被引：3

作者：

Chang, Q. ^{[1
,2
]}

Zhang, C. P. ^{[2
]}

Ru, H. Q. ^{[2
]}

Yang, J. L. ^{[1
]}

Chen, D. L. ^{[3
]}

机构：

[1] North Univ China, Sch Mat Sci & Engn, Taiyuan 030051, Peoples R China

[2] Northeastern Univ, Sch Met & Mat, Dept Mat Sci & Engn, Shenyang 110089, Peoples R China

[3] Ryerson Univ, Dept Mech & Ind Engn, Toronto, ON M5B 2K3, Canada

来源：

ADVANCES IN APPLIED CERAMICS | 2014年 / 113卷 / 02期

基金：

加拿大创新基金会; 加拿大自然科学与工程研究理事会; 中国国家自然科学基金;

关键词：

Hydroxyapatite; Ti-Fe particles; Composition; Microstructure; Mechanical properties; TITANIUM; BIOCERAMICS; TOUGHNESS; POWDER;

D O I：

10.1179/1743676113Y.0000000123

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：

Composites of hydroxyapatite (HA) with 5 wt-% Ti-Fe reinforcing particles were pressureless sintered in vacuum at a temperature range between 950 and 1100 degrees C. It was found that although the decomposition of HA and interaction between HA and Ti occurred, the desirable Ti phase still remained in the composites sintered at all temperatures. The outer Ti shell thickness of the distinctive core-shell Ti-Fe particles was observed to become larger as the sintering temperature increased. It was also found that minor pores appearing near the interface were beneficial to obtain appropriate interfacial bonding between HA matrix and Ti-Fe particles. The composite sintered at 1050 degrees C exhibited superior flexural strength, fracture toughness, and fatigue resistance owing to the remained Ti phase and dense microstructure as well as good interfacial bonding.

引用

页码：108 / 113

页数：6

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