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    • 4. 发明授权
    • Process for electroslag remelting of manganese-base alloys
    • 锰基合金电渣重熔工艺
    • US4450007A
    • 1984-05-22
    • US449323
    • 1982-12-13
    • Robert B. HerchenroederBoyd A. Heath
    • Robert B. HerchenroederBoyd A. Heath
    • C22B9/18C22B4/06
    • C22B9/18
    • An electroslag remelting process for manganese-base alloys. The process includes the steps of: partially immersing a consumable electrode of a manganese-base alloy in a layer of molten slag and passing current between the consumable electrode and a second electrode. The current is passed through the slag layer under conditions which gradually melt the consumable electrode so that drops of molten metal from the consumable electrode move downwardly through the slag layer and resolidify as an ingot thereunder. The slag is characterized by a fusion temperature of more than 300.degree. F. (149.degree. C.), and often more than 350.degree. F. (177.degree. C.), above the melting point of the consumable electrode. It is preferably comprised of Al.sub.2 O.sub.3, CaO and CaF.sub.2.
    • 锰基合金的电渣重熔工艺。 该方法包括以下步骤:将锰基合金的可消耗电极部分地浸入熔渣中并在可消耗电极和第二电极之间通过电流。 在逐渐熔化可消耗电极的条件下使电流通过炉渣层,使得来自可消耗电极的熔融金属液滴向下移动通过炉渣层,并将其重新固化成锭。 炉渣的特征在于熔点超过300°F(149℃),并且通常大于350℃(177℃),高于消耗电极的熔点。 它优选由Al 2 O 3,CaO和CaF 2组成。
    • 8. 发明授权
    • Iron-bearing nickel-chromium-aluminum-yttrium alloy
    • 含铁镍铬铝钇合金
    • US4460542A
    • 1984-07-17
    • US381477
    • 1982-05-24
    • Robert B. Herchenroeder
    • Robert B. Herchenroeder
    • C22C19/05
    • C22C19/058
    • A high temperature oxidation resistant alloy. The alloy consists essentially of, by weight, from 14 to 18% chromium, from 4 to 6% aluminum, from 1.5 to 8% iron, a small but effective yttrium content not exceeding 0.04%, up to 12% cobalt, up to 1% manganese, up to 1% molybdenum, up to 1% silicon, up to 0.25% carbon, up to 0.03% boron, up to 1% tungsten, up to 1% tantalum, up to 0.5% titanium, up to 0.5% hafnium, up to 0.5% rhenium, up to 0.04% of elements from the group consisting of elements 57 through 71 of the periodic table of the elements, balance essentially nickel. The nickel plus the cobalt content is at least 66%. The iron content is in accordance with the relationship, Fe .gtoreq.3+4 (%Al-5), when the aluminum content is at least 5%.
    • 耐高温氧化合金。 该合金基本上由重量计为14至18%的铬,4至6%的铝,1.5至8%的铁,小但有效的钇含量不超过0.04%,高达12%的钴,最多1 %锰,高达1%的钼,高达1%的硅,至多0.25%的碳,至多0.03%的硼,至多1%的钨,至多1%的钽,至多0.5%的钛,至多0.5%的铪 ,高达0.5%的铼,高达0.04%的元素来自元素周期表的元素57至71的元素,基本上平衡为镍。 镍与钴的含量至少为66%。 当铝含量至少为5%时,铁含量符合Fe> / = 3 + 4(%Al-5)的关系。