Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Leszek Niewolak"'
Autor:
Sonja M. Groß-Barsnick, Leszek Niewolak, Willem J. Quadakkers, Qingping Fang, Ludger Blum, P. Batfalsky
Publikováno v:
Fuel Cells. 19:84-95
Publikováno v:
Journal of Alloys and Compounds. 717:240-253
Tungsten alloyed high-chromium ferritic steels such as the commercially available alloy Crofer 22 H have been proposed as construction materials for interconnects in Solid Oxide Fuel Cells. The background of the present study relates to the qualifica
Publikováno v:
Oxidation of Metals. 89:61-80
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 oxidation within the Ni-mesh and some microstruct
Autor:
M. Hua, Gerald H. Meier, R. Patel, Q. Wang, W. J. Quadakkers, L. Garcia-Fresnillo, Leszek Niewolak
Publikováno v:
Materials at High Temperatures. 34:61-77
The oxidation behaviour and the phase transformations associated with high temperature exposure of a commercial ferritic interconnect steel, Crofer 22 H, was studied in a simulated solid oxide fuel...
Publikováno v:
Fuel Cells. 16:600-610
In the present study the behavior of the ferritic interconnect steel Crofer 22 APU and the nickel contacting material during exposure in anode gas of a solid oxide fuel cell (SOFC) stack was investigated. The stack had been operating for 4,000 h and
Autor:
Wojciech J. Nowak, Leszek Niewolak, Gerald H. Meier, Robert Vaßen, Martin Schiek, Willem J. Quadakkers
Publikováno v:
Oxidation of Metals. 84:661-694
The oxidation behavior of the nickel base Alloy 602 CA in atmospheres, relevant to gas separation units in fossil fired power plants, was investigated in the temperature range 800 to 1100 °C. Isothermal oxidation kinetics were determined in Ar–7 %
Publikováno v:
Journal of Phase Equilibria and Diffusion. 36:471-484
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 qualification of this steel, especially with re
Publikováno v:
Journal of Alloys and Compounds. 638:405-418
A binary Fe–30 wt.%Cr alloy and corresponding ternary alloys containing manganese, molybdenum or tungsten were studied with respect to σ-phase formation at 650 °C. Although even after 3000 h exposure complete equilibration was not attained, the p
Publikováno v:
Materials at High Temperatures. 32:81-91
The background of the present studies relates to the development of a novel high temperature energy storage system based on a solid oxide cell. The energy is stored in a metal/metal oxide system which is part of the fuel side of the cell. The aim of
Publikováno v:
Oxidation of Metals. 82:123-143
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 Crofer 22 H at 800 °C was compared with