Temperature Dependence of Density and Thermal Expansion of Wrought Aluminum Alloys 7041, 7075 and 7095 by Gamma Ray Attenuation Method

Kethireddy Narender, Ammiraju Sowbhagya Madhusudhan Rao, Kalvala Gopal Kishan Rao, Nallacheruvu Gopi Krishna

CIC, Kakatiya University, Warangal, India.
Department of Physics, Kakatiya University, Warangal, India.
Varadha Reddy College of Engineering, Warangal, India.

DOI: 10.4236/jmp.2013.43045                

Abstract

The gamma quanta attenuation studies have been carried out to determine mass attenuation coefficients of 7041, 7075 and 7095 wrought aluminum alloys. The temperature dependence of linear attenuation coefficient, density and thermal expansion of these wrought aluminum alloys in the temperature range 300 K - 850 K have been reported. The measurements were done by using a gamma ray densitometer designed and fabricated in our laboratory. The data on variation of density and linear thermal expansion with temperature have been represented by linear equations. Volume thermal expansion coefficients have been reported.

Keywords

Density; Thermal Expansion; Linear Attenuation Coefficient; Mass Attenuation Coefficient

Conflicts of Interest

The authors declare no conflicts of interest.

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