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dc.contributor.authorWang, Yingen
dc.contributor.authorKhor, Khiam Aiken
dc.contributor.authorCheang, Philipen
dc.identifier.citationWang, Y., Khor, K. A., & Cheang, P. (1998). Thermal spraying of functionally graded calcium phosphate coatings for biomedical implants. Journal of Thermal Spray Technology, 7(1), 50-57.en
dc.description.abstractBiomedical requirements in a prosthesis are often complex and diverse in nature. Biomaterials for implants have to display a wide range of adaptability to suit the various stages of the bio-integration process of any foreign material into the human body. Often, a combination of materials is needed. The preparation of a functionally graded bioceramic coating composed of essentially calcium phosphate compounds is explored. The coating is graded in accordance to adhesive strength, bioactivity, and bioresorbability. The bond coat on the Ti-6Al-4V stub is deposited with a particle range of the hydroxyapatite (HA) that will provide a high adhesive strength and bioactivity but have poor bioresorption properties. The top coat, however, is composed of predominantly a-tricalcium phosphate (a-TCP) that is highly bioresorbable. This arrangement has the propensity of allowing accelerated bio-integration of the coating by the body tissues as the top layer is rapidly resorbed, leaving the more bioactive intermediate layer to facilitate the much needed bioactive properties for proper osteoconduction. The processing steps and problems are highlighted, as well as the results of post-spray heat treatment.en
dc.format.extent8 p.en
dc.relation.ispartofseriesJournal of Thermal Spray Technologyen
dc.rights© 1998 ASM International.This paper was published in Journal of Thermal Spray Technology and is made available as an electronic reprint (preprint) with permission of ASM International. The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.en
dc.subjectCalcium Phosphatesen
dc.subjectA-tricalcium Phosphateen
dc.subjectDRNTU::Engineering::Mechanical engineeringen
dc.titleThermal spraying of functionally graded calcium phosphate coatings for biomedical implantsen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen
dc.description.versionPublished versionen
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