Influence of the composition gradient on the propagation of heat pulses in functionally graded nanomaterials | Zendy

Bing Cao | Zendy; M. Di Domenico | Zendy; Ben-Dian Nie | Zendy; A. Sellitto | Zendy

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Influence of the composition gradient on the propagation of heat pulses in functionally graded nanomaterials

Author(s) -

Bing Cao,

M. Di Domenico,

Ben-Dian Nie,

A. Sellitto

Publication year - 2019

Publication title -

proceedings of the royal society a mathematical physical and engineering sciences

Language(s) - English

Resource type - Journals

eISSN - 1471-2946

pISSN - 1364-5021

DOI - 10.1098/rspa.2018.0499

Subject(s) - nanomaterials , composition (language) , materials science , nanotechnology , philosophy , linguistics

A theoretical model to describe heat transport in functionally graded nanomaterials is developed in the framework of extended thermodynamics. The heat-transport equation used in our theoretical model is of the Maxwell-Cattaneo type. We study the propagation of acceleration waves in functionally graded materials (FGMs). In the special case of functionally graded Si Ge thin layers, we point out the influence of the composition gradient on the propagation of heat pulses. A possible use of heat pulses as exploring tool to infer the inner composition of FGMs is suggested.

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