Extrusion of hydroxyapatite to clinically significant shapes

Synthetic hydroxyapatite (HAP) particles were incorporated into ethylene vinyl acetate (EVA) co-polymer and then shaped into various forms by simple plastic-forming techniques. Composites with HAP volume of fraction from 10–60% were prepared and shaped. The shapes thus formed were subjected to therm...

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Veröffentlicht in:	Materials letters 2000-11, Vol.46 (2), p.142-146
Hauptverfasser:	Velayudhan, Shiny, Ramesh, P, Sunny, M.C, Varma, H.K
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Biological and medical sciences Building materials. Ceramics. Glasses Ceramic industries Chemical industry and chemicals Clinical (medical) implants Exact sciences and technology Extrusion Hydroxyapatite Injection moulding Medical sciences Miscellaneous Sintering Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases Technical ceramics Technology. Biomaterials. Equipments
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Beschreibung
Zusammenfassung:	Synthetic hydroxyapatite (HAP) particles were incorporated into ethylene vinyl acetate (EVA) co-polymer and then shaped into various forms by simple plastic-forming techniques. Composites with HAP volume of fraction from 10–60% were prepared and shaped. The shapes thus formed were subjected to thermal debinding and subsequent sintering to 1150°C. Retention of shapes was found after thermal debinding and sintering of composites above 30 vol.% of HAP.
ISSN:	0167-577X 1873-4979
DOI:	10.1016/S0167-577X(00)00157-9