کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8027945 | 1517633 | 2014 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Coloring ferritic stainless steel by an electrochemical-photochemical process under visible light illumination
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فناوری نانو (نانو تکنولوژی)
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Colored oxide films have been grown at room temperature on ferritic 430 stainless steel samples by a two-step photocatalytic coloring method. This coloration process consists of treating a stainless steel sample in a sulphochromic electrolyte solution during a series of cyclic (triangular wave) galvanodynamic polarization scans (electrochemical step), followed by a period of further chemical reaction in the same electrolyte solution at open-circuit potential and under visible light illumination (photochemical step). The electrochemical step produces thin, passive oxide films that are translucent to light interference, whereas the photochemical step produces interference-colored chromium-rich oxide films whose thicknesses depend on the immersion time in the electrolyte solution. SEM-EDS and Raman spectroscopy analyses revealed that both the composition and the structure of the colored films also change with the duration of the immersion time.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Surface and Coatings Technology - Volume 245, 25 April 2014, Pages 125-132
Journal: Surface and Coatings Technology - Volume 245, 25 April 2014, Pages 125-132
نویسندگان
J. Corredor, C.P. Bergmann, M. Pereira, L.F.P. Dick,