Study on plasma sprayed HA/Ti composite coatings I. Microstructure, phase composition and mechanical properties

被引：0
|
作者：
Zheng, XB [1 ]
Ding, CX [1 ]
机构：
[1] Acad Sinica, Shanghai Inst Ceram, Shanghai 200050, Peoples R China
来源：
JOURNAL OF INORGANIC MATERIALS | 2000年 / 15卷 / 05期
关键词：
hydroxyapatite coating; HA/Ti composite coating; plasma spray; bonding strength;
D O I：
暂无
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：
HA/Ti composite coatings on Ti-6Al-4V substrate were successfully deposited via plasma spraying, and then the microstructure, phase composition and mechanical properties were investigated. The results obtained indicate that the phases of HA and Ti are well-distributed in the composite coatings. The bonding strengthes of HA/Ti composite coatings are much higher than that of HA coating, that is explained in terms of the reduction of the mismatch of thermal expansion coefficients between coating and substrate. The value of bonding strength of RA/Ti composite coating does not obviously vary with the immersion time in simulated body fluid. Fracture toughness and hardness of HA/Ti composite coatings are higher than that of RA coating.
引用
收藏
页码：897 / 902
页数：6
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