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Biphasic composite of Tricalcium phosphate reinforced with Hydroxyapatite Whiskers

Viswanath, B and Narayanan, Ravishankar (2011) Biphasic composite of Tricalcium phosphate reinforced with Hydroxyapatite Whiskers. In: MRS Proceedings, 898 . pp. 5-20.

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Abstract

Biphasic calcium phosphates have received considerable attention due to their optimum dissolution rate in the human body after implantation. These materials are composed of hydroxyapatite (HA) and resorbable tricalcium phosphate (TCP). In the present investigation, HA whiskers are reinforced into TCP to enhance the mechanical properties of this biphasic composite. Various amounts (30-50 wt%) HA whiskers are reinforced in TCP matrix. Microstructural characterization has been carried out using field-emission scanning electron microscope. Mechanical properties have been investigated by microindentation in a universal testing machine (UTM). As TCP is resorbable, it will dissolve in body fluid and there is a strong possibility for the faceted HA whiskers to interact with functional groups present in the body fluid surroundings.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Cambridge University Press.
Keywords: biomedical;ceramic;composite
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Depositing User: Ms V Mangala
Date Deposited: 08 Aug 2011 06:27
Last Modified: 08 Aug 2011 06:27
URI: http://eprints.iisc.ac.in/id/eprint/39801

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