Transient temperature fields in functionally graded materials with different shapes under convective boundary conditions |
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Authors: | J Zhao X Ai Y Z Li |
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Institution: | (1) School of Mechanical Engineering, Shandong University, 73 Jingshi Road, Jinan, 250061, People’s Republic of China |
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Abstract: | This paper presents analyses of the transient temperature fields in an infinite plate, an infinite solid cylinder and a solid
sphere made of functionally graded materials (FGMs) under convective boundary conditions. The composition and the thermo-physical
properties of the infinite FGM plate, the infinite FGM solid cylinder and the FGM solid sphere are of planar symmetric, axially
symmetric and spherically symmetric distributions, respectively. The analytical formulae of the one-dimensional transient
temperature fields for the three FGM solids are obtained respectively by using the separation-of-variables method and the
variable substitution method. Numerical results reveal that the transient temperature fields of the FGM components exhibit
similar shape effect to that of homogeneous components. The present work provides valuable basis for the investigation of
the thermal shock resistance of FGMs with various shapes. |
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Keywords: | |
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