An iron-chromium-aluminum alloy with improved heat resistance, low chromium vaporization rate and good processability, comprising (in % by mass), 2.0 to 4.5% Al, 12 to 25% Cr, 1.0 to 4% W, 0.25 to 2.0% Nb, 0.05 to 1.2% Si, 0.001 to 0.70% Mn, 0.001 to 0.030% C, 0.0001 to 0.05% Mg, 0.0001 to 0.03% Ca,
An iron-chromium-aluminum alloy with improved heat resistance, low chromium vaporization rate and good processability, comprising (in % by mass), 2.0 to 4.5% Al, 12 to 25% Cr, 1.0 to 4% W, 0.25 to 2.0% Nb, 0.05 to 1.2% Si, 0.001 to 0.70% Mn, 0.001 to 0.030% C, 0.0001 to 0.05% Mg, 0.0001 to 0.03% Ca, 0.001 to 0.030% P, max. 0.03% N, max. 0.01% S, remainder iron and the usual melting-related impurities.
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1. A solid oxide fuel cell comprising an interconnector plate, the interconnector plate comprising a nonconductive part,the nonconductive part comprising a part of said interconnector plate of said solid oxide fuel cell and being an iron-chromium-aluminum alloy,with (in mass %) 3.0 to 4.5% Al, 16 to
1. A solid oxide fuel cell comprising an interconnector plate, the interconnector plate comprising a nonconductive part,the nonconductive part comprising a part of said interconnector plate of said solid oxide fuel cell and being an iron-chromium-aluminum alloy,with (in mass %) 3.0 to 4.5% Al, 16 to 23% Cr, 1.0 to 4% W, 0.25 to 2.0% Nb, 0.05 to 1.2% Si, 0.001 to 0.70% Mn, 0.001 to 0.030% C, 0.0001 to 0.05% Mg, 0.0001 to 0.03% Ca, 0.001 to 0.030% P, max. 0.03% N, max. 0.01% S, additionally containing 0.01 to 0.10% yttrium, 0.01 to 0.10% hafnium; 0.01 to 0.10% zirconium, wherein W can be replaced by 1 to 4% Mo, wherein Y can be replaced completely or partly by 0.01 to 0.10% of at least one of the elements Sc and/or La and/or cerium and wherein Hf or Zr can be replaced completely or partly by 0.01 to 0.1% of the element Ti, optionally further containing at most 1.0% nickel, at most 1.0% Co, at most 0.5% copper, at most 0.1% vanadium, 0.001 to 0.010% oxygen and/or 0.0001-0.008% boron, the rest iron and, wherein the alloy satisfies the following formulas:36%
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이 특허에 인용된 특허 (7)
Hattendorf, Heike, Durable iron-chromium-aluminum alloy showing minor changes in heat resistance.
Quadakkers Willem,NLX ; Baumanns Ferdinand,DEX ; Nickel Hubertus,DEX, Metallic bipolar plate for high-temperature fuel cells and method of making same.
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