TEMPERATURE DEPENDENCE OF THERMODYNAMIC PROPERTIES OF Zn5Al AND Zn55Al ALLOYS WITH BERYLLIUM
Publish place: 3rd International Conference on Materials Heat Treatment
Publish Year: 1391
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICMH03_082
تاریخ نمایه سازی: 21 تیر 1391
Abstract:
According to cooling law of Newton and studied experimental results , enthalpy , entropy and energy of Gibbs of Zn5Al and Zn55Al alloys were achieved and Special heat capacity of the alloys with Be were studied. Experimental research showed that increasing temperature due to increase enthalpy and entropy of Zn5Al and Zn55Al original alloys but energy of Gibbs decreases. After 500 °K, increasing temperature due to soft increasing entropy. After adding small amounts of Beryllium to the original alloy, it is observed that increasing temperature due to increase the Special heat capacity of them, but about 520-530 °K , a transition is observed which is explained by recrystallization of grains
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Authors
Reza Amini
Department of material science and engineering , isalmic azad university , majlesi branch, Isfahan , Iran
z Nizomov
Physics department ,Tajikestan national university, Dushanbe
M Razazi
Department of material science and engineering , isalmic azad university , majlesi branch, Isfahan , Iran
I. N. Ganiev
Chemistry Institute, Tajikistan Academy of Sciences, Dushanbe
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