Parylene coatings on stainless steel 316L surface for medical applications — Mechanical and protective properties |
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| Authors: | Monika Cie?lik Marcin KotWitold Reczyński Klas EngvallWies?aw Rakowski Andrzej Kotarba |
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| Affiliation: | a Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Polandb Institute of Metallurgy and Materials Science, PAS, W. Reymonta 25, 30-059 Kraków, Polandc AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Kraków, Polandd Swerea KIMAB AB, P.O. Box 55970 SE-10216 Stockholm, Sweden |
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| Abstract: | The mechanical and protective properties of parylene N and C coatings (2-20 μm) on stainless steel 316L implant materials were investigated. The coatings were characterized by scanning electron and confocal microscopes, microindentation and scratch tests, whereas their protective properties were evaluated in terms of quenching metal ion release from stainless steel to simulated body fluid (Hanks solution). The obtained results revealed that for parylene C coatings, the critical load for initial cracks is 3-5 times higher and the total metal ions release is reduced 3 times more efficiently compared to parylene N. It was thus concluded that parylene C exhibits superior mechanical and protective properties for application as a micrometer coating material for stainless steel implants. |
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| Keywords: | Parylene Stainless steel Implant Coating Mechanical properties |
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