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Hybrid carbon layers for medical application

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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Carbon layers thanks to their advantages (high biocompatibility, good wear resistance, high corrosion resistance) found the application in medicine. The authors of presented work have obtained improvement of above-mentioned properties (high hardness) with use of hybrid RF PACVD method. Carburizing of the AISI 316L stainless steel is connected with risk of decrease of corrosion resistance which is caused by Cr23C6 formation on the grain boundaries. In the presented work corrosion parameters of the modified elements was investigated. The substrate material used in this work was AISI 316L stainless steel. The hybrid process was performed by RF PACVD method and consisted in carburizing of the sample at the beginning and afterwards carbon film synthesis. The corrosion resistance investigation was conducted using saline solution at similar to human body temperature (37oC), the duration of the investigation was two weeks. Corrosion investigation of modified elements proved that suitable choice of carburizing parameters during the hybrid process doesn’t cause lowering of corrosion resistance of AISI 316L steel. Moreover microscope observations of the modified materials’ structures didn’t show any track of carbide disengagements on the grain boundaries.
Rocznik
Strony
20--23
Opis fizyczny
Bibliogr. 7 poz., tab., zdj.
Twórcy
autor
  • Technical University of Lodz, Institute of Materials Science and Engineering 1/15 Stefanowskiego St., 90-924 Lodz, Poland
  • Technical University of Lodz, Institute of Materials Science and Engineering 1/15 Stefanowskiego St., 90-924 Lodz, Poland
Bibliografia
  • [1] Geoffrey Dearnaley, James H. Arps: “Biomedical applications of diamond-like carbon (DLC) coatings: A review”, Surface and Coatings Technology, No. 200, 2005, pp 2518-2524.
  • [2] Jun Qu, Peter J. Blau, Brian C. Jolly: “Tribological properties of stainless steels treated by colossal carbon super-saturation”, Wears, No. 263, 2007, pp 719-726.
  • [3] N. Ueda, N. Yamauchi, T. Sone, A. Okamoto, M. Tsjuikawa: “DLC coating on plasma – carburized austenitic stainless steel”, Surface and Coatings Technology, No. 201, 2007, pp 5487-5492.
  • [4] Bong-Seok Suh, Won-Jong Lee: “Surface hardening of AISI 316L stainless steel using plasma carburizing”, Thin Solid Films, No. 295, 997, pp 185-192.
  • [5] Y. Cao, F. Erns, G.M. Michal: “Colossal carbon supersaturation in austenitic stainless steels carburized at low temperature”, Acta Materialia, No. 51, 2003, pp 4171-4181.
  • [6] F. Ernst, Y. Cao, G.M. Michal: “Carbides in low-temperature-carburized stainless steel”, Acta Materialia, No. 52, 2004, pp 1469-1477.
  • [7] G.M. Michal, F. Ernst, H. Kahn, Y. Cao, F. Oba, N. Agarwal, A.H. Heuer: “Carbon supersaturation due to paraequilibrium carburization: Stainless steels with greatly improved mechanical properties”, Acta Materialia, No. 54, 2006, pp 1597-1606.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-d2505a5e-620a-464f-aa98-a5b5f6ac6aee
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