Thermo-Magneto-Elastic-Plastic Analysis of functionally magnetoelastic pressurized thick cylindrical structure
محورهای موضوعی : Mechanics of Solids
Sahar Sohrabi
1
(Department of Mechanical Engineering, Urmia University, Urmia, Iran )
S Rash Ahmadi
2
()
کلید واژه: Functionally graded magnetoelastic cylinder, Thermal analysis, Semi-analytical method, Elastic-Plastic, Tresca&rsquo, s criterion.,
چکیده مقاله :
Magneto elastic materials are widely used in various application such as lasers, microwave and ultrasonic devices. In addition, the increasing need for materials that have high thermal and frictional resistance has led to the development of functionally graded materials (FGM). In this article, a semi-analytical method for Thermo-Magneto-Elastic-Plastic analysis of functionally magneto elastic (FM) thick cylinder is studied. FM cylinder placed in a uniform magnetic field and under combined pressure and temperature loads. The material properties vary radially according to power-law distribution. The elastic and elastic-plastic distribution of stresses and radial displacement through the radius are obtained. Also, Tresca’s yield criterion is used to describe material behavior in plastic zone. Effects of grading index (β), pressure, temperature and magnetic intensity vector are discussed. The results shown that by increasing the value of β, internal pressure, external temperature and magnetic intensity vector expands the yield point from inner to outer surface.
Magneto elastic materials are widely used in various application such as lasers, microwave and ultrasonic devices. In addition, the increasing need for materials that have high thermal and frictional resistance has led to the development of functionally graded materials (FGM). In this article, a semi-analytical method for Thermo-Magneto-Elastic-Plastic analysis of functionally magneto elastic (FM) thick cylinder is studied. FM cylinder placed in a uniform magnetic field and under combined pressure and temperature loads. The material properties vary radially according to power-law distribution. The elastic and elastic-plastic distribution of stresses and radial displacement through the radius are obtained. Also, Tresca’s yield criterion is used to describe material behavior in plastic zone. Effects of grading index (β), pressure, temperature and magnetic intensity vector are discussed. The results shown that by increasing the value of β, internal pressure, external temperature and magnetic intensity vector expands the yield point from inner to outer surface.
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