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Indian Journal of
Science and Technology

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Issue No:11 Vol.4

November-2011

ISSN: 0974-5645

RESEARCH ARTICLES

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16. XRD analysis of calcium silicate coating on titanium alloy. Manoranjan Kumar Singh.
Abstract Application of calcium silicate gel is an effective and simple method in forming a well-defined apatite layer over a metallic surface. This paper describes a method to produce bioactive coatings on the surface of titanium alloy substrate. It is a biomimetic approach for coating hydroxyapatite on titanium alloy at ambient temperature. In the present study, coating is obtained by the use of CaO–SiO2 based glass as a possible source of nucleating agent of apatite formation. Ca-P is known to be one of the precursors during the bone mineralization process thereby it is of promising approach of biomimetic coatings for orthopaedic surgery. XRD results confirm the different phases are present in the coating. Scratch test results reveal the required adhesion strength of coating on titanium alloy. Keywords: Calcium silicate gel, titanium alloy, XRD tests, biomimetic coatings.