APPLICATION OF NUMERICAL METHODS IN THE TECHNOLOGY OF HYDROXYAPATITE

Journal article

Authors / Editors

Agachi, Paul

Research Areas

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Publication Details

Author list: Dejeu VR, Toader S, Reka B, Agachi PS

Publisher: UNIV ATHENS FIRST DEPT OBSTETR

Place: CLUJ-NAPOCA

Publication year: 2010

Journal acronym: STUD U BABES-BOL CHE

Volume number: 55

Issue number: 4

Start page: 161

End page: 165

Number of pages: 5

ISSN: 1224-7154

Languages: English-Great Britain (EN-GB)

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Abstract

Hydroxyapatite precipitation process involves the formation in the first phase of a solid-phase with amorphous structure (amorphous calcium phosphate), which in time turns into hydroxyapatite. Polynomial spline interpolation is a numerical method useful in mathematical modeling of this phase transformation process. By this method, experimental data are interpolated to obtain cubic spline polynomial function which can approximate reasonably well the experimental values of the degree of conversion at any pH between 8.5 divided by 12. A very good agreement between the experimental and numerical results confirms the validity of the numerical procedure.

Keywords

cubic spline function, hydroxyapatite, numerical methods, phase transformation

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