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  1. No Access

    Article

    Phase Transformations in Co-Ni-Cr-W Alloys During High Temperature Exposure to Steam Environment

    Three model alloys, Co-10Ni-20Cr-15W, Co-30Ni-20Cr-15W and Ni-20Cr-15W (all in wt.%) were investigated in Ar-50%H2O at 700 and 750 °C for up to 3000 h reaction. The results showed the formation of thin chromia sc...

    J. Zhang, L. Garcia-Fresnillo, A. Jalowicka… in Journal of Phase Equilibria and Diffusion (2018)

  2. 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

    Na2SO4-Deposit-Induced Corrosion of Mo-Containing Alloys

    Disk alloys used in advanced gas turbine engines often contain significant amounts of Mo (2 wt% or greater), which is known to cause corrosion under Type I hot corrosion conditions (at temperatures around 900 ...

    B. S. Lutz, J. M. Alvarado-Orozco, L. Garcia-Fresnillo, G. H. Meier in Oxidation of Metals (2017)

  4. No Access

    Article

    Influence of Alloy Composition and Exposure Conditions on the Selective Oxidation Behavior of Ni–Al Alloys

    Ni–Al coating alloys, which are commonly used in gas turbine engines operating in marine environments, are highly susceptible to hot corrosion attack. The effect of alloy composition and exposure conditions on...

    L. Garcia-Fresnillo, J. M. Alvarado-Orozco, G. H. Meier in Oxidation of Metals (2017)

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    Article

    The Effects of Water Vapor on the Oxidation Behavior of Alumina Forming Austenitic Stainless Steels

    The isothermal oxidation behavior of three alumina forming austenitic (AFA) stainless steels with varying composition was studied at 650 and 800 °C in dry air and gases which contained water vapor. The AFA all...

    N. M. Yanar, B. S. Lutz, L. Garcia-Fresnillo, M. P. Brady… in Oxidation of Metals (2015)

  6. No Access

    Article

    The Effect of Different SO2/SO3 Catalytic Media on High-Temperature Corrosion Processes (Hot Corrosion, Fireside Corrosion, Sulfidation–Oxidation)

    In many laboratory hot corrosion (HC) experiments and other experiments involving sulfur commercial catalytic converters are used to catalyze the ...

    J. E. García-Herrera, J. M. Alvarado-Orozco, J. Muñoz-Saldaña… in Oxidation of Metals (2015)

  7. No Access

    Article

    Oxidation behaviour and microstructural stability of alloy 625 during long-term exposure in steam

    Nickel-based alloys are being considered as construction materials for various components in high-efficiency steam turbines with envisaged operating temperatures around 700 °C. In the present study, the steam ...

    L. Garcia-Fresnillo, A. Chyrkin, C. Böhme, J. Barnikel… in Journal of Materials Science (2014)