Densification and mechanical behavior of β-tricalcium phosphate bioceramics

• Autorzy: Mehdikhani B. , Borhani G. H.
• Języki publikacji: EN

Abstrakty

EN

Nano-size β-tricalcium phosphate powders with average grain size of 80 nm were prepared by the wet chemical precipitation method with calcium nitrate and di-ammonium hydrogen phosphate as calcium and phosphorus precursors, respectively. The precipitation process employed was also found to be suitable for the production of sub-micrometre β-TCP powder in situ. The sinterability of the nano-size powders, and the microstructure, mechanical strength of the prepared β-TCP bioceramics were investigated. Bioceramic sample characterization was achieved by powder X-ray diffraction (XRD), scanning electron microscopy (SEM), fourier transform infrared spectroscopy (FTIR), and density measurements. Powders compacted and sintered at 800, 900, 1000 and 1100 °C showed an increase in relative density from 70 % to 93 %. The results revealed that the maximum hardness of 240 HV was obtained for β-TCP sintered at 1100 °C.

Słowa kluczowe

EN

beta-tricalcium phosphate; bioceramic; sintering; mechanical properties

• Wydawca: Przedsiębiorstwo Wydawnictw Naukowych "DARWIN"
• Czasopismo: International Letters of Chemistry, Physics and Astronomy
• Rocznik: 2014
• Tom: Vol. 17, iss. 1
• Strony: 37--49
• Opis fizyczny: Bibliogr. 33 poz., rys., wykr., wz.

Twórcy

autor

Mehdikhani B.

• Construction and Mining Department, Standard Research Institute, Karaj, Iran
• Department of Materials Engineering, Malek-e-ashtar University of Technology, Isfahan, Iran

autor

Borhani G. H.

• Department of Materials Engineering, Malek-e-ashtar University of Technology, Isfahan, Iran

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