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公开(公告)号:US3969111A
公开(公告)日:1976-07-13
申请号:US562439
申请日:1975-03-27
IPC分类号: C22C19/05
CPC分类号: C22C19/056
摘要: A nickel-base cast alloy is provided having high retention of ductility and high thermal stability on aging coupled with low thermal expansion and good oxidation resistance. Such alloy has a composition in weight percent within the range molybdenum 13.7 to 15.5%, chromium 14.7 to 16.5%, carbon 0.02% max., boron up to 0.02%, manganese 0.3 to 1.0%, silicon 0.2 to 0.75%, cobalt 2.0% max., iron 3.0% max., tungsten 1.0% max., aluminum 0.1 to 0.5% and the balance nickel, said alloy having an N.sub.v number between 2.23 and 2.31.
摘要翻译: 提供了一种镍基铸造合金,其具有高延展性保持性和高老化热稳定性以及低热膨胀和良好的抗氧化性。 这种合金的重量百分比在13.7至15.5%的钼,14.7至16.5%的铬,0.02%的最高,0.02%的硼,0.3%至1.0%的硅,0.2%至0.75%的硅,2.0%的钴, 最大为3.0%,钨最大为1.0%,铝为0.1至0.5%,余量为镍,所述合金的Nv数为2.23至2.31。
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公开(公告)号:US4118223A
公开(公告)日:1978-10-03
申请号:US772321
申请日:1977-02-25
IPC分类号: C22C19/05
CPC分类号: C22C19/056
摘要: A thermally stable, oxidation-resistant nickel-base alloy having good engineering properties for use in mechanical equipment operated at temperatures of up to 1600.degree. F. or higher is provided by maintaining the nickel content above 50% by weight and including as essential elements from about 12 to about 18% chromium, from about 8 to about 18% molybdenum and from about 0.005 to about 0.2% lanthanum by weight. Additional elements may be included in limited amounts provided that the average N.sub.v number of the alloy as defined herein is not substantially above about 2.5 and preferably is below about 2.4.
摘要翻译: 通过将镍含量保持在50重量%以上,并且包括作为必要元素的含量,提供了具有良好工程性能的热稳定,抗氧化的镍基合金,其用于在高达1600°F或更高的温度下操作的机械设备 约12至约18%的铬,约8至约18%的钼和约0.005至约0.2%的镧。 额外的元素可以以有限的量包括,只要本文所定义的合金的平均Nv数基本上不超过约2.5,优选低于约2.4。
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公开(公告)号:US3980468A
公开(公告)日:1976-09-14
申请号:US411721
申请日:1973-11-01
摘要: A method is provided for producing ductile superalloys containing rare-earth metals, lanthanum and yttrium by melting the desired alloy composition by conventional melt practices, adding the rare-earth metals, lanthanum or yttrium to the molten composition, forming the alloy composition into solid electrodes, remelting the solid electrode by electroslag remelting techniques and casting the remelted alloy.
摘要翻译: 提供一种用于通过常规熔融法熔化所需合金组成,将稀土金属,镧或钇添加到熔融组合物中,将合金组合物形成固体电极的方法,用于生产含有稀土金属,镧和钇的延性超合金 ,通过电渣重熔技术重熔固体电极,铸造重熔合金。
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