Microwave assisted synthesis & properties of nano HA-TCP biphasic calcium phosphate

被引：16
作者：
Pasand, E. Ghomash [1 ]
Nemati, A. [1 ]
Solati-Hashjin, M. [2 ]
Arzani, K. [1 ]
Farzadi, A. [2 ]
机构：
[1] Islamic Azad Univ, Sci & Res Branch, Dept Mat Engn, Tehran 1477893855, Iran
[2] Amirkabir Univ Technol, Dept Biomed Engn, Tehran 158754413, Iran
来源：
INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS | 2012年 / 19卷 / 05期
关键词：
bioceramics; calcium phosphate; hydroxyapatite (HA); tricalcium phosphate; nanoparticles (TCP); mechanical properties; microwave irradiation; MEDICAL APPLICATIONS; BIOCERAMICS; COMPOSITES; CERAMICS;
D O I：
10.1007/s12613-012-0576-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Biphasic calcium phosphate (BCP) nanopowders were synthesized by using microwave and non-microwave irradiation assisted processes. The synthesized powders were pressed under a pressure of 90 MPa, and then were sintered at 1000-1200 degrees C for 1 h. The mechanical properties of the samples were investigated. The formed phases and microstructures were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The results showed that the synthesis time was shorter, along with a more homogeneous microstructure, when the microwave irradiation assisted method was applied. The compression strength and the Young's modulus of the samples synthesized with microwave irradiation were about 60 MPa and 3 GPa, but those of the samples synthesized without microwave irradiation were about 30 MPa and 2 GPa, respectively. XRD patterns of the microwave irradiation assisted and non-microwave irradiation assisted nanopowders showed the coexistence of hydroxyapatite (HA) and tricalcium phosphate (TCP) phases in the system.
引用
收藏
页码：441 / 445
页数：5
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