کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
10128751 1645147 2018 40 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Elevated corrosion in strain hardened AlMg alloy
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موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد سطوح، پوشش‌ها و فیلم‌ها
پیش نمایش صفحه اول مقاله
Elevated corrosion in strain hardened AlMg alloy
چکیده انگلیسی
Al-4.17 Mg (Al 5080) alloy was processed by multi axial forging (MAF) at room temperature up to cumulative strain of 4.2 in the present work. Mechanical properties of the alloy were investigated through Vickers hardness test and tensile test. Corrosion studies were carried on standard, forged and forged & annealed samples using 3.5% NaCl solution employing both Potentiodynamic polarization and immersion method. Microstructural evolution was studied on all the three samples using characterization techniques such as optical microscopy, electron backscattered diffraction, scanning electron microscopy and transmission electron microscopy. On a sample subjected to MAF, improvement in the strength and hardness was observed along with the significant drop in the corrosion resistance. However, when the same sample was further annealed, corrosion resistance was not only retained, but improved drastically. This odd behavior of this alloy was never reported earlier. The improved corrosion resistance of this alloy was discussed in light of surface profile along with the microstructural features.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Vacuum - Volume 157, November 2018, Pages 402-413
نویسندگان
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