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Production of Highly Adherent Hydroxylapatite Coatings by Ion Beam and Plasma Techniques

Published online by Cambridge University Press:  26 February 2011

James R. Stevenson ,
Hillary Solnick-Legg  and
Keith O. Legg
James R. Stevenson
Affiliation:
Ionic Atlanta Inc., Atlanta, GA, 30309
Hillary Solnick-Legg
Affiliation:
Ionic Atlanta Inc., Atlanta, GA, 30309
Keith O. Legg
Affiliation:
Ionic Atlanta Inc., Atlanta, GA, 30309
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Abstract

Starting with a pure hydroxylapatite sputter target, highly adherent coatings have been produced on metals and polymers by combining rf sputter deposition and ion implantation techniques. Reflection high energy electron diffraction (RHEED) scratch and adhesion tests have been done and more analysis is planned. Comparison of the RHEED data with HA and tricalcium phosphate standards shows the material to be polycrystalline hydroxylapatite rather than the amorphous, hydroxyl-free material usually produced by similar methods. Because of its structure this coating is expected to be nonresorbable. The coating is non-porous, hard and scratch-resistant. Data on the crystallography and mechanical properties of the coating will be presented.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 110: Symposium M – Biomedical Materials and Devices , 1987 , 715
Copyright
Copyright © Materials Research Society 1988

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