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Iranian Journal of Materials Forming، جلد ۹، شماره ۱، صفحات ۴۱-۴۶
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عنوان انگلیسی Thermo-Mechanical Treatment of AlCoCrFeNi2.1 High-Entropy Alloy
چکیده انگلیسی مقاله In this study, the microstructural evolutions, formed phases, micro- and macro-hardness changes and shear properties were evaluated in the as-cast, homogenized, cold-rolled and annealed AlCoCrFeNi2.1 eutectic high-entropy alloy (EHEA). These studies were carried out using X-ray fluorescence (XRF), scanning electron microscopy (SEM), Rockwell C and Vickers hardness testing as well as shear punch testing (SPT). The microstructure after cold rolling followed by annealing was consisted of an elongated phases/grains in the direction of cold rolling and in almost equiaxed phases/grains. The homogenized specimen has the minimum amounts of hardness and yield/ultimate shear strength. Due to the presence of both elongated and equiaxed structures in the cold-rolled and annealed sample, the hardness and yield/ultimate shear strength of this specimen is between that of as-cast and homogenized cases.
کلیدواژه‌های انگلیسی مقاله Eutectic high-entropy alloy (EHEA), Cold rolling, Annealing, hardness, Shear punch test (SPT)
نویسندگان مقاله Seyed Ali Erfani Mobarakeh |
Department of Materials and Metallurgical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Hafez Ave., P.O. Box 15875-4413, Tehran, Iran

Kamran Dehghani |
Department of Materials and Metallurgical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Hafez Ave., P.O. Box 15875-4413, Tehran, Iran

نشانی اینترنتی https://ijmf.shirazu.ac.ir/article_6544_ef7ca4a91f432ddd54f2a5bfc3f0439d.pdf
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