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Oxidation resistance of the nanostructured YSZ coating on the IN-738 superalloy
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نویسنده
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Keyvani Ahmad ,Saremi Mohsen ,Heydarzadeh Sohi Mahmoud
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منبع
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journal of ultrafine grained and nanostructured materials - 2014 - دوره : 47 - شماره : 2 - صفحه:89 -96
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چکیده
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Conventional and nanostructured ysz coatings were deposited on the in-738 ni super alloy by theatmospheric plasma spray technique. the oxidation was measured at 1100°c in an atmosphericelectrical furnace. according to the experimental results the nanostructured coatings showed a betteroxidation resistance than the conventional ones. the improved oxidation resistance of the nanocoatingcould be explained by the change in structure to a dense and more packed structure in this coating. themechanical properties of the coatings were tested using the thermal cyclic, nanoindentation and bondstrength tests, during which the nanostructured ysz coating showed a better performance by structuralstability.
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کلیدواژه
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Plasma spray ,Nanostructure ,Oxidation ,Nanoindentation
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آدرس
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shahrekord university, Department of Metallurgy and Materials Engineering, Faculty of Technology and Engineering, Shahrekord University, Iran, ایران, university of tehran, School of Metallurgy and Materials, College of Engineering, University of Tehran, Iran, ایران, university of tehran, School of Metallurgy and Materials, College of Engineering, University of Tehran, Iran, ایران
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Authors
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