Porous stainless steel hollow fibers with shrinkage-controlled small radial dimensions


Luiten-Olieman, Mieke W.J. and Raaijmakers, Michiel J.T. and Winnubst, Louis and Wessling, Matthias and Nijmeijer, Arian and Benes, Nieck E. (2011) Porous stainless steel hollow fibers with shrinkage-controlled small radial dimensions. Scripta Materialia, 65 (1). pp. 25-28. ISSN 1359-6462

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Abstract:A method is presented for the preparation of thin (∼250 μm) porous stainless steel hollow fiber membranes based on dry–wet spinning of a particle-loaded polymer solution followed by heat treatment. Extraordinarily small radial dimensions were achieved by controlled shrinkage during thermal treatment. Above the glass transition temperature of the polymer, the dynamics of surface energy-driven viscous flow allow regulated reduction of the macrovoid volume, resulting in a substantial decrease in the final fiber diameter.
Item Type:Article
Additional information:Porous stainless steel; Hollow fiber; Metal membrane; Phase separation; Controlled shrinkage
Copyright:© 2011 Elsevier
Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/80661
Official URL:http://dx.doi.org/10.1016/j.scriptamat.2011.03.023
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