کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8044319 | 1518918 | 2018 | 15 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
A study on corrosion resistance of Al magnetron sputtering coated AZ31 magnesium alloy
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سطوح، پوششها و فیلمها
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
In this study, Al magnetron sputtering was used to enhance the corrosion resistance of AZ31 Mg alloy. Samples were cut and prepared with no treatment, ground up to #600 and ground up to #5000 abrasive paper. Then samples were coated at temperatures of 400â¯Â°C, 350â¯Â°C and 25â¯Â°C. Then, samples were heat treated in an argon atmosphere at temperatures of 500â¯Â°C and 400â¯Â°C. OCP, impedance and Tafel tests were applied on the samples. The sputtered sample with no surface treatment showed an impedance of 28.51â¯Î©.cm2 and corrosion current density of 1250â¯Î¼A.cm-2 in comparison to the non-coated sample with an impedance of 40.66â¯Î©.cm2 and current density of 78.5â¯Î¼A.cm-2. The sample ground up to #5000 abrasive paper showed an impedance of 1000â¯Î©.cm2 and current density of 16.9â¯Î¼A.cm-2. Impedance of this sample was approximately 20 times higher than others.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Vacuum - Volume 152, June 2018, Pages 231-238
Journal: Vacuum - Volume 152, June 2018, Pages 231-238
نویسندگان
Ehsan Goli, Hossein Aghajani,