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  1. No Access

    Article

    Influence of Alloying Elements on the Behavior of Different Ferritic Steels as Candidate Materials for SOFC Interconnect

    The efficiency of a solid oxide fuel cell (SOFC) can be improved by using a Ni-mesh between the ferritic steel interconnect and the Ni/YSZ anode. However, interdiffusion processes can lead to internal oxidatio...

    L. Garcia-Fresnillo, L. Niewolak, W. J. Quadakkers, G. H. Meier in Oxidation of Metals (2018)

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    Article

    Temperature Dependence of Laves Phase Composition in Nb, W and Si-Alloyed High Chromium Ferritic Steels for SOFC Interconnect Applications

    The Laves phase strengthened ferritic steel Crofer 22 H has been proposed as construction material for interconnects in solid oxide fuel cells. The background of the present study relates to the further qualif...

    L. Niewolak, A. Savenko, D. Grüner… in Journal of Phase Equilibria and Diffusion (2015)

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    Article

    Mechanisms of Oxide Scale Formation on Ferritic Interconnect Steel in Simulated Low and High pO2 Service Environments of Solid Oxide Fuel Cells

    The Laves phase strengthened ferritic steel Crofer 22 H has recently been proposed as construction material for interconnects in solid oxide fuel cells (SOFCs). In the present study, the oxidation kinetics of ...

    L. Niewolak, D. J. Young, H. Hattendorf, L. Singheiser… in Oxidation of Metals (2014)

  4. Article

    Erratum to: Analysis of the Reactive Element Effect on the Oxidation of Ceria Doped Nickel

    R. W. Jackson, J. P. Leonard, L. Niewolak, W. J. Quadakkers… in Oxidation of Metals (2013)

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    Article

    Analysis of the Reactive Element Effect on the Oxidation of Ceria Doped Nickel

    The effects of external do** with CeO2 on the oxidation of nickel have been evaluated. The materials studied were pure Ni and Ni with the surface doped with CeO2 by pulsed laser deposition. The oxidation kineti...

    R. W. Jackson, J. P. Leonard, L. Niewolak, W. J. Quadakkers… in Oxidation of Metals (2012)

  6. No Access

    Article

    Modification of alumina scale formation on FeCrAlY alloys by minor additions of group IVa elements

    The effect of Ti, Zr and Hf minor additions on the alumina scale formation on a high-purity, FeCrAlY model alloy has been studied. Thermogravimetry at 1,200–1,300 °C in Ar–20%O2 and two-stage oxidation using 18O-...

    D. Naumenko, V. Kochubey, L. Niewolak, A. Dymiati, J. Mayer… in Journal of Materials Science (2008)

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    Article

    Fundamental considerations for the development of oxidation-resistant alloys and coatings based on γ-TiAl

    Alloys based on γ-TiAl are promising high-temperature materials that may replace conventional heat-resistant steels and superalloys in applications where high strength in combination with low density is required....

    L. Singheiser, L. Niewolak, V. Shemet… in Metallurgical and Materials Transactions A (2003)