Development of Hydroxyapatite Coating by Microplasma Spraying

Autor:	Debabrata Basu, S Gangadharan, Anoop Kumar Mukhopadhyay, Mithlesh Kumar Sinha, Arjun Dey
Rok vydání:	2009
Předmět:	Materials science Microplasma Mechanical Engineering engineering.material Indentation hardness Industrial and Manufacturing Engineering Crystallinity stomatognathic system Coating Mechanics of Materials visual_art engineering visual_art.visual_art_medium General Materials Science Ceramic Fourier transform infrared spectroscopy Composite material Porosity Plasmatron
Zdroj:	Materials and Manufacturing Processes. 24:1321-1330
ISSN:	1532-2475 1042-6914
DOI:	10.1080/10426910902997035
Popis:	Bioactive hydroxyapatite (HAP) coating (Ca/P-1.67) was developed on surgical grade SS316L substrate using the microplasma spraying (MIPS) process with low (1.5kW) plasmatron power. The MIPS-HAP coating showed both crystallinity and volume percent open porosity much higher than those usually reported for HAP coating deposited by the conventional macroplasma spraying (MAPS) process with high plasmatron power. The X-ray diffraction (XRD) data identified the coating to be nearly phase pure. The Fourier transformed infrared (FTIR) data suggested that a process of dehydroxylation and rehydroxylation might have occurred in the as-sprayed and post-heat treated coatings, respectively. The coating had a highly heterogeneous microstructure comprising of splats, completely and/or partially molten and unmelted splats retaining a nonflattened core, micropres, macropres, inter-, and intrasplat cracks.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::66129a8a7ee76023976d2abedc652454 https://doi.org/10.1080/10426910902997035 Zobrazit plný text záznamu Plný text ve formátu PDF Plný text ve formátu HTML
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