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    • 2. 发明授权
    • Apparatus for producing predominately iron alloy containing magnesium
    • 主要生产含镁铁合金的设备
    • US4592538A
    • 1986-06-03
    • US649949
    • 1984-10-23
    • James E. Wells, III
    • James E. Wells, III
    • C21C1/10C21C7/00C22C1/02
    • C21C1/105C21C7/0081C22C1/02
    • Apparatus and process are described for producing predominately iron alloys that contain magnesium which alloys have particular utility for treating cast iron to form ductile and compacted graphite irons.The alloys are produced under pressure of an inert gas maintained above the vapor pressure of the magnesium at the melt temperature. The alloy melt is rapidly solidified in a chill mold which imparts a certain amount of constraint to the melt to provide a high magnesium recovery in the alloy and a clean, safe, economical operation. As a result of rapid solidification, the magnesium is retained in the alloy as a fine dispersion or separate phase which is of advantage for high magnesium recovery in the alloy and for a high magnesium recovery in the cast iron when treated with the alloys of the present invention.Any desired composition of alloy may be produced. Best results are obtained when the alloys contain by weight from about 0.5 to 4.0% magnesium and optionally from about 0.1 to 10% silicon, from about 0.5 to 6.5% carbon, from about 0.05 to about 2.0% cerium and/or other rare earth elements and from about 0.1 to about 10% nickel. One or more of the optional ingredients may be employed in the alloy of the present invention.
    • 描述了用于主要生产含有镁的铁合金的装置和方法,该合金特别用于处理铸铁以形成延性和压实的石墨铁。 在惰性气体的压力下,在熔体温度下保持高于镁蒸气压的合金。 合金熔体在冷却模具中快速固化,其对熔体赋予一定的约束,以在合金中提供高镁回收率和清洁,安全,经济的操作。 作为快速固化的结果,镁作为精细分散体或分离相保留在合金中,这对于合金中的高镁回收率和用于当前处理的铸铁中的高镁回收率是有利的 发明。 可以生产任何期望的合金组成。 当合金含有约0.5-4.0%的镁和任选的约0.1-10%的硅,约0.5-6.5%的碳,约0.05-约2.0%的铈和/或其它稀土元素时,获得最佳结果 和约0.1至约10%的镍。 可以在本发明的合金中使用一种或多种任选成分。
    • 4. 发明授权
    • Apparatus and process for producing predominately iron alloy containing
magnesium
    • 主要生产含镁铁合金的装置和工艺
    • US4519838A
    • 1985-05-28
    • US418238
    • 1982-09-15
    • James E. Wells, III
    • James E. Wells, III
    • C21C1/10C21C7/00C22C1/02C22C33/00
    • C21C7/0081C21C1/105C22C1/02
    • Apparatus and process are described for producing predominately iron alloys that contain magnesium which alloys have particular utility for treating cast iron to form ductile and compacted graphite irons.The alloys are produced under pressure of an inert gas maintained above the vapor pressure of the magnesium at the melt temperature. The alloy melt is rapidly solidified in a chill mold which imparts a certain amount of constraint to the melt to provide a high magnesium recovery in the alloy and a clean, safe, economical operation. As a result of rapid solidification, the magnesium is retained in the alloy as a fine dispersion or separate phase which is of advantage for high magnesium recovery in the alloy and for a high magnesium recovery in the cast iron when treated with the alloys of the present invention.Any desired composition of alloy may be produced. Best results are obtained when the alloys contain by weight from about 0.5 to 4.0% magnesium and optionally from about 0.1 to 10% silicon, from about 0.5 to 6.5% carbon, from about 0.05 to about 2.0% cerium and/or other rare earth elements and from about 0.1 to about 10% nickel. One or more of the optional ingredients may be employed in the alloy of the present invention.
    • 描述了用于主要生产含有镁的铁合金的装置和方法,该合金特别用于处理铸铁以形成延性和压实的石墨铁。 在惰性气体的压力下,在熔体温度下保持高于镁蒸气压的合金。 合金熔体在冷却模具中快速固化,其对熔体赋予一定的约束,以在合金中提供高镁回收率和清洁,安全,经济的操作。 作为快速固化的结果,镁作为精细分散体或分离相保留在合金中,这对于合金中的高镁回收率和用于当前处理的铸铁中的高镁回收率是有利的 发明。 可以生产任何期望的合金组成。 当合金含有约0.5-4.0%的镁和任选的约0.1-10%的硅,约0.5-6.5%的碳,约0.05-约2.0%的铈和/或其它稀土元素时,获得最佳结果 和约0.1至约10%的镍。 可以在本发明的合金中使用一种或多种任选成分。
    • 5. 发明授权
    • Alloy and process for producing and casting ductile and compacted
graphite cast irons
    • 用于生产和铸造延性和压实石墨铸铁的合金和工艺
    • US4459154A
    • 1984-07-10
    • US418237
    • 1982-09-15
    • James E. Wells, IIIHenry F. LinebargerThomas K. McCluhan
    • James E. Wells, IIIHenry F. LinebargerThomas K. McCluhan
    • C22C33/10C22C33/08
    • C22C33/10
    • This invention relates to a new and unique alloy composition and to the method of treating molten cast iron with such alloy to produce ductile and compacted graphite cast irons. The alloy is a predominately iron alloy having the essential elements by weight of from about 0.1 to about 10% silicon, from about 0.5 to about 4.0% magnesium, from about 0.1 to about 10.0% nickel and optionally from about 0.1 to about 2.0% cerium, and/or other rare earth elements. The alloy may comprise from about 0.1 to about 10.0% silicon, from about 0.5 to about 4.0% magnesium, from about 0.1 to about 10.0% nickel, optionally from about 0.1 to about 2.0% cerium and/or other rare earth elements, from about 0.5 to about 6.5% carbon and the balance iron. Small amounts of calcium, barium or stronium and trace elements customarily found in conventional raw materials used in producing the alloy may also be present. The characteristics of the alloy make it possible to establish a ready supply of treated molten iron in the foundry in holding vessels with a selected chemical composition at a given temperature. It also makes possible semicontinuous and continuous casting of ductile and compacted graphite cast irons.
    • 本发明涉及一种新型且独特的合金组合物以及用这种合金处理熔融铸铁的方法,以生产延性和压实的石墨铸铁。 该合金主要是铁合金,其重量含量为约0.1至约10%的硅,约0.5至约4.0%的镁,约0.1至约10.0%的镍和任选的约0.1至约2.0%的铈 ,和/或其他稀土元素。 该合金可以包含约0.1至约10.0%的硅,约0.5至约4.0%的镁,约0.1至约10.0%的镍,任选的约0.1至约2.0%的铈和/或其它稀土元素,约为 0.5至约6.5%的碳和余量的铁。 也可能存在少量的用于制造合金的常规原料中通常发现的钙,钡或锶和微量元素。 该合金的特征使得可以在铸造厂中在给定温度下在具有选定化学成分的容器中立即供应经处理的铁水。 这也使得延性和压实石墨铸铁的半连续和连续铸造成为可能。