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TEMPERATURE DEPENDENCE OF THERMODYNAMIC PROPERTIES OF Zn5Al AND Zn55Al ALLOYS WITH BERYLLIUM

Publish place: 3rd International Conference on Materials Heat Treatment
Publish Year: 1391
Type: Conference paper
Language: English
View: 1,873

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Link to this Paper:
https://civilica.com/doc/153035

Document National Code:

ICMH03_082

Index date: 11 July 2012

TEMPERATURE DEPENDENCE OF THERMODYNAMIC PROPERTIES OF Zn5Al AND Zn55Al ALLOYS WITH BERYLLIUM 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

TEMPERATURE DEPENDENCE OF THERMODYNAMIC PROPERTIES OF Zn5Al AND Zn55Al ALLOYS WITH BERYLLIUM Keywords:

Zn5Al , Zn55Al , Beryllium , thermodynamic properties , enthalpy , entropy , energy of Gibbs , Special heat capacity

TEMPERATURE DEPENDENCE OF THERMODYNAMIC PROPERTIES OF Zn5Al AND Zn55Al ALLOYS WITH BERYLLIUM 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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