Publisher DOI: 10.1007/s11242-014-0426-0
Title: Fabrication and characterization of deformable porous matrices with controlled pore characteristics
Language: English
Authors: Munro, Benjamin 
Becker, Sid M. 
Uth, Marc-Florian 
Preußer, Niklas 
Herwig, Heinz 
Keywords: 3D Printing;Deformable Porous Media;Manufacture
Issue Date: 9-Dec-2014
Publisher: Springer Science + Business Media B.V.
Journal or Series Name: Transport in porous media 
Abstract (english): The subject of this study concerns a method of manufacture of porous media for which the solid matrix is capable of experiencing deformation under the influence of the flow field. Conventionally, the matrix design parameters, elasticity and pore geometry, cannot be precisely controlled and the choice of parameters is limited to existing available media. Here a solution is provided that uses an indirect solid-free form fabrication process that combines 3D Printing with an infused Polydimethylsiloxane elastomer to provide a highly deformable matrix with controlled pore architecture. The manufacturing method is presented in detail. Local microscopy analysis of the manufactured matrix shows that the method has a high capability to accurately create pore structures at length scales as low as 0.75 mm. Experimental flow measurements further validate that the intended pore geometry is able to be reproduced in highly deformable matrices. The experimentally determined permeability of the deformable matrix is determined to agree with the intended within 95 %.
ISSN: 1573-1634
Institute: Technische Thermodynamik M-21 
Thermofluiddynamik (M-21H) 
Type: (wissenschaftlicher) Artikel
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