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Iranian Journal of Materials Science and Engineering، جلد ۱، شماره ۲، صفحات ۹-۱۵
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چکیده فارسی مقاله
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عنوان انگلیسی PREPARATION OF CATALYTIC COATING OF TITANIUM OXIDE BY MEANS OF ELECTROLYTIC DEPOSITION
چکیده انگلیسی مقاله In the current research, the optimum conditions for the electrolytic deposition of TiO2 coatings on titanium pieces were experimentally investigated. Flat pieces of commercially available titanium with dimensions of 50 x20 x3 mm were used as the anode and cathode electrodes. The coatings were applied on the cathode in an electrolyte solution essentially from water and methanol, containing different amounts of TiCI4, and H202. Coatings of sufficient thickness and adequate adhesion to the substrate were obtained at the optimum conditions of theELD process. The latter conditions were electrode gap distance of 3 cm, TiCl4 concentration of 0.005M, H202 concentration of 0.1 M, current density of 35 mA/cm2, methanol/water volume ratio of 9, and pH of the electrolyte in the vicinity of 1.40. Results of XRD analysis revealed the presence of anatase crystals of titanium oxide in the coated layers, where the deposited coating was treated at some temperatures in the range of 400 to 600°C for a period of at least 2 hours. Scanning electron microscopy (SEM) pictures also confirmed the formation of a uniform coating layer with cracked suiface area. At the optimum conditions of the process coatings with thicknesses of up to 10 flm were easily obtained through the application of one to three deposited layers.
کلیدواژه‌های انگلیسی مقاله
نویسندگان مقاله برزگر alamdarit b | barzegar alamdarit b


اشرفی زاده s n | ashrafi zadeh s n


اشرفی زاده f | ashrafi zadeh f


نشانی اینترنتی http://ijmse.iust.ac.ir/browse.php?a_code=A-10-1-28&slc_lang=fa&sid=en
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زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده گروه سرامیک
نوع مقاله منتشر شده Research paper
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