TRANSFORMATION BEHAVIOR OF CALCIUM-PHOSPHATE .1. THEORY AND MODELING

被引：22

作者：

WONG, ATC ^{[1
]}

CZERNUSZKA, JT ^{[1
]}

机构：

[1] UNIV OXFORD, DEPT MAT, PARKS RD, OXFORD, ENGLAND

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 1993年 / 78卷

关键词：

AVRAMI EQUATION; CALCIUM PHOSPHATE; IN-VITRO MINERALIZATION; NUCLEATION AND GROWTH; PHASE TRANSFORMATION;

D O I：

10.1016/0927-7757(93)80330-H

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A model has been derived to predict the in vitro precipitation behaviour of calcium phosphate from supersaturated aqueous solutions. This model, which makes use of the Avrami-Johnson-Mehl formulae, takes into consideration thermodynamic and kinetic factors and relates them to the preferential formation of precursor phases and their subsequent stage-wise transformation to hydroxyapatite. Predictions using the modified expressions have been found to be consistent with experimental data obtained over a wide range of conditions. In particular, the transformation reaction of calcium phosphate under physiological conditions is discussed.

引用

页码：245 / 253

页数：9

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[1] THE INITIAL PHASES OF CALCIUM AND MAGNESIUM PHOSPHATES PRECIPITATED FROM SOLUTIONS OF HIGH TO MEDIUM CONCENTRATIONS [J].