Anisotropic Thermal Conductivity Characteristics of Metal Fiber Materials

Abstract

Recently, metal fiber materials with the diameter of about 30 to 300 μm are of considerable industrial interest, because these metal fiber materials are estimated to be anisotropic thermal conductivity from the various investigations of non metal fiber materials (insulating ceramic fiber materials etc. ). However, there are few experimental data on the thermal conductivity of the Aluminum fiber materials. The purpose of this study is to investigate the anisotropic thermal conductivity of some metal fiber materials (Aluminum, Zinc and Nickel fiber) experimentally and theoretically. And it is found that the anisotropic thermal conductivity of the metal fiber materials depend on the density or porosity, Young's modulus, fiber length and fiber diameter.