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Interconnects for solid oxide fuel cells and ferritic stainless steels adapted for use with solid oxide fuel cells
Interconnects for solid oxide fuel cells and ferritic stainless steels adapted for use with solid oxide fuel cells
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机译：固体氧化物燃料电池和适用于固体氧化物燃料电池的铁素体不锈钢的互连
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摘要
Embodiments of the present invention provide a ferritic stainless steel comprising, in weight percent, from 0 to less than 0.1 aluminium, from 0 to less than 0.1 silicon, from 21 to 35 chromium, greater than 1 to 2 manganese, from 0.002 to 0.1 carbon, from 0 to 0.04 nitrogen, from 0 to 1 molybdenum, from 0 to 0.5 nickel, from 0 to 0.05 lanthanum, from 0 to 0.1 cerium, from 0 to 0.1 zirconium, from 0 to 0.5 titanium, from 0 to 0.1 tantalum, from 0 to 0.2 niobium, balance iron and impurities. The invention further comprises a ferritic stainless steel comprising, in weight percent, from 0 to 0.05 aluminium, from 0 to 0.05 silicon, from 23 to 27 chromium, greater than 1 to 2 manganese, from 0.002 to 0.1 carbon, from 0 to 0.04 nitrogen, from 0.75 to 1 molybdenum, from 0 to 0.3 nickel, from 0 to 0.05 lanthanum, from 0 to 0.1 cerium, from 0 to 0.05 zirconium, an amount of at least one of titanium, tantalum and niobium, wherein the amounts of titanium, tantalum and niobium satisfy the equation: 0.4 weight percent ≤ [%Nb + %Ti + ½ (%Ta)] ≤ 1 weight percent, iron and impurities.
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