Mechano-chemical synthesis and characterization of nanostructured β-TCP powder

被引：58

作者：

Choi, Daiwon

Kumta, Prashant N. ^{[1
]}

机构：

[1] Carnegie Mellon Univ, Dept Mat Sci & Engn, Pittsburgh, PA 15213 USA

[2] Carnegie Mellon Univ, Inst Complex Engineered Syst, Pittsburgh, PA 15213 USA

[3] Carnegie Mellon Univ, Dept Biomed Engn, Pittsburgh, PA 15213 USA

来源：

MATERIALS SCIENCE & ENGINEERING C-BIOMIMETIC AND SUPRAMOLECULAR SYSTEMS | 2007年 / 27卷 / 03期

基金：

美国国家卫生研究院; 美国国家科学基金会;

关键词：

hydroxyapatite; beta-TCP; mechano-chemical; biodegradable;

D O I：

10.1016/j.msec.2006.05.035

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Tricalcium phosphates (Ca-3(PO4)(2): beta-TCP) are known for their biodegradable characteristics and are essential components of natural bone. Unlike hydroxyapatite (HAp), beta-TCP is not the stable phase at room temperature. It is normally obtained by solid-state synthesis at temperatures in excess of 600 degrees C where calcium deficient hydroxyapatite transforms to beta-TCP. Low temperature approaches for synthesizing this phase could offer unique opportunities with regards to controlling the microstructure and its degradable characteristics. In this study, the possibility of synthesizing beta-TCP directly by a mechano-chemical route has been investigated. The starting materials were mechanically milled for various time periods. The resultant calcium phosphate powder has been analyzed using XRD, FTIR, DTA/TGA and SEM. (c) 2006 Published by Elsevier B.V.

引用

页码：377 / 381

页数：5