Influence of solution conditions on deposition of calcium phosphate on titanium by NaOH-treatment

被引：34

作者：

Feng, QL ^{[1
]}

Cui, FZ

Wang, H

Kim, TN

Kim, JO

机构：

[1] Tsing Hua Univ, Dept Mat Sci & Engn, Adv Mat Lab, Beijing 100084, Peoples R China

[2] Paichai Univ, Div Adv Mat Engn, Taejon 302735, South Korea

来源：

JOURNAL OF CRYSTAL GROWTH | 2000年 / 210卷 / 04期

基金：

中国国家自然科学基金;

关键词：

calcium phosphate; NaOH-treatment; precipitation process; solution conditions; titanium;

D O I：

10.1016/S0022-0248(99)00502-3

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The present paper demonstrated a biomimetic method to coat calcium phosphate (Ca-P) on the surface of titanium induced by NaOH-treatment from a simple supersaturated hydroxyapatite solution (SHS). The influence of pH value and calcium ions concentration on the precipitation process was investigated. It is necessary for the solution to be supersaturated than the critical concentration of octacalcium phosphate (OCP) to get Ca-P coatings on titanium surface. In the precipitating process, it seems that amorphous calcium phosphate (AC-P) precipitated first, then OCP, and finally hydroxyapatite (HA). The system was in continuous evolution and the phase transitions occurred in sequence. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：735 / 740

页数：6

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