Macroscopic analysis of axisytnmetric functionally gradient materials under thermal loading

P. Kwon; C. K H Dharan; M. Ferrari

doi:10.1115/1.2906015

Macroscopic analysis of axisytnmetric functionally gradient materials under thermal loading

P. Kwon, C. K H Dharan, M. Ferrari

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19 Scopus citations

Abstract

The axisymmetric functionally gradient materials (FGMs) subject to nonuniform temperature variations were studied with the combined use of homogenization and inhomogeneous eigenstrained media analysis. The material properties and the temperature variations were assumed to depend on the radial coordinate only. The inhomogeneous material properties of the FGM cylinder can be obtained by modulating the concentration level of spherical alumina particles in an aluminum matrix. The resulting stresses due to the temperature variation are presented for numerous distribution functions of alumina particles. It is shown that the particle distribution extensively influences the intensity and profile of the thermal stresses.

Original language	English (US)
Pages (from-to)	115-120
Number of pages	6
Journal	Journal of Energy Resources Technology, Transactions of the ASME
Volume	116
Issue number	2
DOIs	https://doi.org/10.1115/1.2906015
State	Published - Jan 1 1994

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
Fuel Technology
Energy Engineering and Power Technology
Mechanical Engineering
Geochemistry and Petrology

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N2 - The axisymmetric functionally gradient materials (FGMs) subject to nonuniform temperature variations were studied with the combined use of homogenization and inhomogeneous eigenstrained media analysis. The material properties and the temperature variations were assumed to depend on the radial coordinate only. The inhomogeneous material properties of the FGM cylinder can be obtained by modulating the concentration level of spherical alumina particles in an aluminum matrix. The resulting stresses due to the temperature variation are presented for numerous distribution functions of alumina particles. It is shown that the particle distribution extensively influences the intensity and profile of the thermal stresses.

AB - The axisymmetric functionally gradient materials (FGMs) subject to nonuniform temperature variations were studied with the combined use of homogenization and inhomogeneous eigenstrained media analysis. The material properties and the temperature variations were assumed to depend on the radial coordinate only. The inhomogeneous material properties of the FGM cylinder can be obtained by modulating the concentration level of spherical alumina particles in an aluminum matrix. The resulting stresses due to the temperature variation are presented for numerous distribution functions of alumina particles. It is shown that the particle distribution extensively influences the intensity and profile of the thermal stresses.

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Macroscopic analysis of axisytnmetric functionally gradient materials under thermal loading

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