Journal
APPLIED SURFACE SCIENCE
Volume 286, Issue -, Pages 83-90Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2013.09.023
Keywords
316L stainless steel; High energy low current DC electron beam; (HELCDEB); Surface treatment; SEM; Polarisation; EIS
Categories
Funding
- Department of Science and Technology (DST) [SR/FTP/ETA-04/2009, DST/TSG/NTS/2011/73, SB/EMEQ-185/2013]
- Indian Council of Medical Research (ICMR, IRIS ID) [2010-08660, 5/20/11(Bio)/10-NCD-I]
- Council for Scientific and Industrial Research (CSIR), New Delhi [01(2547)/11/EMR-II]
- DST [SR/WOS-A/PS-26/2012 (G)]
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The surface of 316L stainless steel (316L SS) is irradiated by high energy low current DC electron beam (HELCDEB) with energy of 500 keV and beam current of 1.5 mA followed by the electrodeposition of strontium hydroxyapatite (Sr-HAp) to enhance its corrosion resistance in physiological fluid. The coatings were characterised by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR) and High resolution scanning electron microscopy (HRSEM). The Sr-HAp coating on HELCDEB treated 316L SS exhibits micro-flower structure. Electrochemical results show that the Sr-HAp coating on HELCDEB treated 316L SS possesses maximum corrosion resistance in Ringer's solution. (C) 2013 Elsevier B.V. All rights reserved.
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