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Fluoridation of hydroxyapatite with addition of TiF4 and developing the mechanical properties by pressureless sintering

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Abstract

Hydroxyapatite [Ca10(PO4)6(OH)2] powder was sintered with addition of aluminumisoproxide (C9H21AlO3) 4 wt % and various wt % of titanium fluoride TiF4. The prepared pellets were sintered at 1250°C temperature. The various wt % of TiF4 were used for fluoridation and densification of hydroxyapatite. For studying the phase compositions, microstructure and elemental analysis, the sintered specimens were characterized by X-ray diffraction XRD, Scanning electron microscopy SEM, and energy dispersive electron spectroscopy EDAX respectively. After sintering highest relative density was found to be 96.42 % with Vickers hardness and bending strength 1.22–1.62 GPa and 13.39–35.88 MPa respectively. As a result of sintering fluoridated apatite composite material was obtained.

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Correspondence to Muhammad Asif.

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Asif, M., Fu, Z., Anjum, M.N. et al. Fluoridation of hydroxyapatite with addition of TiF4 and developing the mechanical properties by pressureless sintering. Russ. J. Non-ferrous Metals 56, 555–560 (2015). https://doi.org/10.3103/S1067821215050028

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