Paper Title:

Structural Characterisation of Diffusion-Bonded Hollow Sphere Structures

Periodical Defect and Diffusion Forum (Volumes 280 - 281)
Main Theme Defects and Diffusion in Ceramics X
Edited by David J. Fisher
Pages 105-112
DOI 10.4028/www.scientific.net/DDF.280-281.105
Citation Christoph Veyhl et al., 2008, Defect and Diffusion Forum, 280-281, 105
Online since November 2008
Authors Christoph Veyhl, Rolf Winkler, Markus Merkel, Andreas Öchsner
Keywords Cellular Metals, Hollow Sphere Structures, Mass Density, Neck Region, Packing Density, Pore Fraction
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This paper investigates the structural properties of sintered hollow sphere struc- tures. First of all, the packing density is analysed using three different methods: namely, liquid infiltration, Archimedes' principle, and image processing of micrographs. In addition, the pore fraction in the metallic sphere shells is characterised based on micrographs and the density of the structure and the base material is determined. In the final part, the geometrical characteristics of the sphere structure and the material composition of the base material are analysed.