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Iranian Journal of Materials Science and Engineering، جلد ۱۴، شماره ۲، صفحات ۶۰-۷۰
عنوان فارسی
چکیده فارسی مقاله
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عنوان انگلیسی CHARACTERIZATION OF CO-FE MAGNETIC FILMS FABRICATED BY GALVANO-STATIC ELECTRODEPOSITION
چکیده انگلیسی مقاله In this research, nanocrystalline Co-Fe coatings were electrodeposited on copper substrate. The influence of current density on different properties of the films at two pH levels was investigated. All the coatings showed nodular structure with rougher morphology at higher current densities. Due to anomalous deposition at higher current density, the amount of iron content increased and reached its maximum value at about 50 wt.% for the coating obtained from pH 5. X-ray diffraction patterns showed hcp structure as the dominant phase. However, by increasing current density at lower pH value, a double phase structure containing fcc+hcp phases was detected. It was observed that current density has a positive effect on grain refinement. However, coarser grains would obtain at lower pH value. Microhardness measurements showed that, there is a direct relationship between grain size and microhardness. Moreover, microstructure in double phase structure films can influence microhardness more dominantly. Vibrating sample magnetometer (VSM) measurements indicated that the saturation magnetic is proportion to deposited iron content and reached its maximum value at about 1512 emu/cm3. It was cleared that grain size, phase structure and chemical composition can affect coercivity of the films effectively.
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نویسندگان مقاله z غافری | z. ghaferi
department of material science and engineering, shahid bahonar university of kerman, 7618868366, kerman, iran

سازمان اصلی تایید شده: دانشگاه شهید باهنر (Shahid bahonar university)

s شرفی | s. sharafi
department of material science and engineering, shahid bahonar university of kerman, 7618868366, kerman, iran

سازمان اصلی تایید شده: دانشگاه شهید باهنر (Shahid bahonar university)

محمداسماعیل bahrololoom | m e bahrololoom
department of material science and engineering, shiraz university, 7134851154, shiraz, iran

سازمان اصلی تایید شده: دانشگاه شیراز (Shiraz university)

نشانی اینترنتی http://ijmse.iust.ac.ir/browse.php?a_code=A-10-293-2&slc_lang=en&sid=en
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/454/article-454-449916.pdf
کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده گروه سطح پوشش و خوردگی
نوع مقاله منتشر شده Research paper
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