Corrosion Resistance of AISI 304 Stainless Steel Modified Both Femto- and Nanosecond Lasers
نویسندگان
چکیده
This article is aimed to study the effect of laser treatment AISI 304 stainless steel on corrosion resistance and chemical composition surface layer. The samples were irradiated using two quite different sources: IPG Yb:glass fibre (? = 230 ns, ? 1062 nm) Trumpf TruMicro Series 2020 fiber 260 fs–20 ps, 1030 that is, in both long ultra-short pulse duration regime. It allowed observation completely microstructures In this study, morphology was accessed Keyence digital microscope Olympus Lext 5000 profilometer. examined 3% NaCl solution potentiodynamic measurement Electrochemical Impedance Spectroscopy. order examine change layer, X-ray photoelectron spectroscopy performed. Results show use a contributes formation thin, tight, rich chromium passive which significantly improves comparison reference sample. Different behaviour observed after irradiation with an laser.
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ژورنال
عنوان ژورنال: Coatings
سال: 2021
ISSN: ['2079-6412']
DOI: https://doi.org/10.3390/coatings11050592