Corrosion resistance and microstructure of stainless steel modified by pulsed high energy density plasma |
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| Authors: | Wei Kun Wu Xingfang Fu Ying Yang Si-Ze Li Bing |
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| Affiliation: | (1) Department of Materials Physics, University of Science and Technology, Beijing, 100083 Beijing, People's Republic of China;(2) Institute of Physics, Chinese Science Academy, 100080 Beijing, People's Republic of China |
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| Abstract: | Pulsed high energy density plasma has been used to deposit aluminum nitride films on the surface of the 1Cr18Ni9Ti stainless steel ( 0.1% C, 18% Cr, 9% Ni, 0.8% Ti). The formed films are composed of nanocrystalline-structured aluminum nitride phase, whose crystal sizes are about 10 nm. Transition areas are formed across the film to the substrate and strengthen the adhesion between them. The nanocrystalline-structured aluminum nitride films contribute to the improvement of the corrosion resistance of the modified stainless steel, whose corrosion rate has been reduced by about ten times compared with that of the unmodified stainless steel. |
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