Thermal conductivity of cellular metals measured by the transient plane source method

被引：15
|
作者：
Solorzano, E. [1 ]
Rodriguez-Perez, M. A. [1 ]
de Saja, J. A. [1 ]
机构：
[1] Univ Valladolid, Fac Sci, Dept Condensed Matter Phys, Cellular Mat Grp CELLMAT, E-47011 Valladolid, Spain
来源：
ADVANCED ENGINEERING MATERIALS | 2008年 / 10卷 / 06期
关键词：
D O I：
10.1002/adem.200800182
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An experimental analysis of the thermal conductivity of diverse types of metal foams in a wide porosity range was carried out. Al-7Si foams with 0.5wt-% TiH2 as blowing agent and Zn foams with 1 wt-% TiH2 was produced. Consolidation to a foamable precursor material was reached by means of cold isostatic pressing and subsequent hot extrusion. On the other hand, open cell aluminum melt infiltration of polymer granulates using a high pressure die-casting process. The thermal conductivity of PM zinc foams was measured on the original 60 × 60 × 60 × mm3 PM zinc foams. The infiltrated open cell aluminum foams presented slight density differences between the two bases of the cylinders. No differences were found between open and closed cell foams in the range of relative density.
引用
收藏
页码：596 / 602
页数：7
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