Category: Transient Plane Source
Author(s): A. Fernandez, D. Lehmhus, J. A. de Saja, J. A. Reglero, M. A. RodriB-guez-Perez, M. Wichmann, Miguel-Cngel RodrC-guez-PC)rez
Keywords: density, Detection of In-Homogeneties, In-Homogeneities, Powder Metallurgical Route, quality control, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, Thermal Conductivity, TPS Technique, Transient Plane Source, Transient plane source (TPS) method
Abstract: The present study used the transient plane source (TPS) technique to measure the thermal conductivity of a series of AlSi7 metal foams prepared by the powder metallurgical route. The main difference between the different foam samples was their density, which led to a change in thermal conductivity. In addition to measuring thermal conductivity, the TPS sensor was used to detect in-homogeneities by placing it on each face of a cube sample and using the same power and time settings. If the material was not homogeneous, then for the same power and time measurement settings there should be different temperature increases, which is what the researchers found experimentally. This technique was used to determine which samples were homogeneous.
Reference: International Conference: Advanced Metallic Materials, November 5 - 7, 2003, Smolenice, Slovakia