Study on possibility for the improvement of corrosion resistance of metals using laser-formed oxide surface structure

International Conference of Young Scientists and Specialists "Optics-2015"

Ruzankina, J.S.^1 ; Vasiliev, O.S.^1

ITMO University, 49 Kronverksky Pr., Saint-Petersburg, Russia^1

关键词: Chemical treatments;    Irradiated surface;    Laser oxidation;    Laser process;    Laser treatment;    Low temperatures;    Materials degradation;    Surface oxide films;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/735/1/012050/pdf
DOI  :  10.1088/1742-6596/735/1/012050

来源: IOP

【 摘 要 】

The laser processes of oxidation are currently known and used extensively, in particular, to improve corrosion resistance of metals possessing certain properties and composition. In this regard, actuality is the methods of laser oxidation of metals and the determination of their modes of treatment in each specific case. Increase of corrosion resistance ST20 can carried out with the formation on the surface oxide films, as well as by reducing surface roughness. Studied various modes of processing of the steel surface. Corrosion resistance investigated for protecting a metal. Defocusing the beam to allow the surface treatment of a wide beam in the low temperature mode of processing. For further study of the irradiated surface on the corrosion resistance was conducted by chemical treatment in acid. Estimated phase composition of films formed under laser treatment simulated in the program astics. The study to increase the corrosion resistance of steel and titanium, have shown that under the chosen methods of processing of materials degradation observed.