Fabrication and characterization of bioactive glass coatings produced by the ion beam sputter deposition technique

Changxiang Wang, ZQ Chen, M Wang

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Ion beam sputtering and ion beam sputtering/mixing deposition techniques were used to produce thin bioactive glass coatings on titanium substrate. It was found that as-deposited coatings were amorphous. Scanning electron microscopical examination showed that the coatings had a uniform and dense structure and that fabrication parameters affected the surface morphology of the coatings. The surface Ca/P ratio of the coatings, which varied from 5.9 to 8.6 according to semi-quantitative EDX analyses, was correlated with the fabrication condition. Depth profiling of the coatings revealed four distinct zones: the top surface, the thin coating zone, the intermixed zone of coating and substrate, and the substrate. Scratch tests showed that the coatings adhered well to the substrate.
Original languageEnglish
Pages (from-to)247-251
Number of pages5
JournalJournal of materials science. Materials in medicine
Volume13
Issue number3
DOIs
Publication statusPublished - 1 Jan 2002

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