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    Oxidation, electrical and mechanical properties of Crofer®22 solid oxide fuel cell metallic interconnects manufactured through powder metallurgy
    (Pergamon-Elsevier Science Ltd, 2018) Ozturk, Bulent; Topcu, Alparslan; Ozturk, Sultan; Cora, Omer Necati
    This study aimed to investigate oxidation, electrical and mechanical properties of solid oxide fuel cell interconnects. To this goal, two different Crofer (R) 22 interconnects samples were produced via different manufacturing routes (machining from bulk material, and powder metallurgy approach). The samples were characterized by scanning electron microscopy with energy dispersive spectroscopy (SEM-EDS), X-ray diffractions. Four-probe area specific resistance (ASR), bonding strength, leakage tests were also performed. The results indicated that interconnect sample manufactured through powder metallurgy approach can be a reliable alternative to the one manufactured from commercially available Crofer (R) 22 alloy in bulk form. (C) 2018 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.