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Metals and Materials International

, Volume 23, Issue 1, pp 184–192 | Cite as

Stainless steel porous substrates produced by tape casting

  • Elisa MercadelliEmail author
  • Angela Gondolini
  • Paola Pinasco
  • Alessandra Sanson
Article

Abstract

In this work the technological issues related to the production of tape cast large-area porous stainless steel supports for Solid Oxide Fuel Cells (SOFC) applications were carefully investigated. The slurry formulation was optimized in terms of amount and nature of the organic components needed: rice starch and polymethyl metacrylate were found to be, respectively, the most suitable pore former and binder because easily eliminated during the thermal treatment in reducing atmosphere. The compatibility of the binder system chosen with the most widely used solvents for screen printing inks was also evaluated. Finally the influence of the sintering temperature and of the refractory supports to be used during the thermal treatments onto the production of porous stainless steel supports was discussed. The whole process optimization allows to produce flat, crack-free metallic substrate 900-1000 μm thick, dimensions up to 5×5 cm and with a tailored porosity of 40% suitable for SOFCs application.

Keywords

metals powder processing microstructure metal-supported solid oxide fuel cells 

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Copyright information

© The Korean Institute of Metals and Materials and Springer Science+Business Media Dordrecht 2017

Authors and Affiliations

  • Elisa Mercadelli
    • 1
    Email author
  • Angela Gondolini
    • 1
  • Paola Pinasco
    • 1
  • Alessandra Sanson
    • 1
  1. 1.Institute of Science and Technology for CeramicsNational Council of Research (ISTEC-CNR)FaenzaItaly

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