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    • 2. 发明授权
    • Chromium-based alloy
    • 铬基合金
    • US5608174A
    • 1997-03-04
    • US440693
    • 1995-05-15
    • Ralf EckGunter KneringerWolfgang Kock
    • Ralf EckGunter KneringerWolfgang Kock
    • B22F3/10B22F3/12C22C27/06C22C32/00C22C1/04C22C1/10
    • C22C27/06C22C32/0026
    • The invention relates to a chromium-based alloy which has a chromium content of more than 65% by weight and the following composition: 0.005 to 5% by weight of one or more oxides of the rare earth elements and 0.1 to 32% by weight of one or more metals selected from the group comprising iron, nickel and cobalt, the remainder being chromium.The alloy may furthermore contain up to 30% by weight of one ore more metals selected from the group comprising Al, Ti, Zr and Hf, up to 10% by weight of one or more metals selected from the group comprising V, Nb, Mo, Ta, W and Re and up to 1% by weight of C and/or N and/or B and/or Si.Compared with pure chromium the alloy has a substantially improved oxidation resistance and improved corrosion resistance, in particular with respect to vanadium pentoxide.
    • 本发明涉及铬含量大于65重量%且以下组成的铬基合金:0.005至5重量%的一种或多种稀土元素氧化物和0.1至32重量% 一种或多种选自铁,镍和钴的金属,其余为铬。 该合金还可含有至多30重量%的一种或多种选自Al,Ti,Zr和Hf的金属,最多10重量%的选自V,Nb,Mo的一种或多种金属 ,Ta,W和Re和高达1重量%的C和/或N和/或B和/或Si。 与纯铬相比,合金具有显着改善的抗氧化性和改善的耐腐蚀性,特别是对于五氧化二钒。