THERMAL CONDUCTIVITY OF NANOPOROUS GLASS ALUMINA FILM AND COMPOSITES-Reference-Cited by-同舟云学术

THERMAL CONDUCTIVITY OF NANOPOROUS GLASS ALUMINA FILM AND COMPOSITES

Published:2014-01-23 Issue:03 Volume:28 Page:1450019
ISSN:0217-9849
Container-title:Modern Physics Letters B
language:en
Short-container-title:Mod. Phys. Lett. B

Author:

HUANG CONGLIANG¹²,FENG YANHUI²,ZHANG XINXIN²,WANG GE³

Affiliation:

1. School of Electric Power Engineering, China University of Mining and Technology, Xuzhou 221116, China

2. School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China

3. School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China

Abstract

In this paper, cross-plane thermal conductivities of the nanoporous glass alumina film (NGAF) and its composites ( Ag /NGAF, with Ag nanowires embedded in) were measured. And a model was setup to predict the thermal conductivity of the nanoporous material. Results show that the thermal conductivity of the NGAF is about 50 times smaller than that of the ceramic alumina. It is about 0.5 W ⋅ m -1⋅ K -1 and depends on both the pore radius and the porosity. The thermal conductivity of the Ag /NGAF is not larger than that of the NGAF. The contact resistance and the unfilled space between Ag nanowires and the matrix are responsible for that.

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217984914500195

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