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    • 5. 发明公开
    • Alloys for high temperature applications, articles made therefrom, and method for repair of articles
    • 由其制成的合金在高温下使用,文章和修理物品的方法
    • EP1505165A1
    • 2005-02-09
    • EP04254572.3
    • 2004-07-30
    • GENERAL ELECTRIC COMPANY
    • Zhao, Ji-ChengJackson, Melvin RobertJiang, Liang
    • C22C5/04
    • C22C5/04
    • An alloy for use in high temperature applications is presented. The alloy comprises, in atom percent, at least about 50% rhodium (Rh); at least about 5% of a metal selected from the group consisting of platinum (Pt), palladium (Pd), and combinations thereof; from about 5% to about 24% ruthenium (Ru); and from about 1% to about 40% chromium (Cr); wherein the alloy comprises less than about 50% by volume of an A3-structured phase, and wherein the quantity defined by the expression ([Cr] + 2[Ru]) is in the range from about 25% to about 50%, where [Ru] and [Cr] are the atom percentages of ruthenium and chromium in the alloy, respectively. Articles comprising the alloy and methods employing the alloy for repairing articles are also presented.
    • 用于在高温应用中使用的合金呈现。 该合金包含,以原子百分数计,至少约50%的铑(Rh); 至少选自铂(Pt),钯(Pd),以及它们的组合中选择的金属的约5%; 从约5%至钌(Ru)的约24%; 和从约1%至约40%的铬(Cr); worin合金由A3结构相的体积包含小于约50%,和worin由表达式(ACRU +2ÄRuÜ)限定在上述范围内的量从约25%至约50%,其中ÄRuÜ和ACRU是 分别百分比钌和铬的原子在合金中。 因此文章包含的合金和方法采用用于修复文章合金介绍。
    • 7. 发明公开
    • Apparatus and method for introducing small amounts of refractory elements into a vapor deposition coating
    • 装置和方法用于在气相淀积镀层引入少量Refractärelementen的
    • EP1197577A3
    • 2004-01-02
    • EP01308421.5
    • 2001-10-02
    • GENERAL ELECTRIC COMPANY
    • Corderman, Reed RoederJackson, Melvin RobertNardi, Richard Arthur, Jr.
    • C23C14/30C23C14/16
    • C23C14/30C23C14/16Y02T50/67
    • A method of introducing small amounts of a refractory element into a vapor deposition coating wherein a second material (30), containing at least two elements which are desired to be deposited as a coating on a base material, has placed over it a first material (20) substantially comprising such two elements and a refractory element. The first material (20) is adapted to permit transport of the at least two elements in the second material (30) through the first material (20) when the first (20) and second (30) material are in a molten state and in touching contact so as to permit evaporation of the two elements and the refractory element from an exposed surface. Heat is supplied to the first (20) and second (30) materials to permit evaporation of the at least two elements of second material (30) and the refractory element in the first material (20), and the resulting vapors are condensed as a deposit on a base material (50). A particular method of heating is further disclosed to assist in maintaining adequate rates of evaporation for the aforesaid method, wherein the supplied heat is supplied to an inner heated area (91) and a surrounding outer heated area (92) and at least a portion of the inner heated area (91) is heated to a greater temperature than the outer heated area (92).
    • 引入耐火元件的少量成气相沉积涂覆worin含有期望被沉积作为在基材上的涂层的至少两个元件,第二材料(30)已放置在它的第一材料的方法( 20)基本上包含检查两个元件和耐火元件。 第一材料(20)是angepasst通过第一材料(20)当第一(20)和第二(30)的材料,以允许在所述第二材料(30)的所述至少两个元件的传输是在熔融状态下并在 触碰接触,从而允许所述两个元件并从露出的表面的耐火元件的蒸发。 热量被供给到第一(20)和第二(30)的材料,以允许第二材料(30)和在所述第一材料(20)的耐火元件,所述至少两个元件并且将所得蒸汽的蒸发被冷凝作为 沉积物在基材(50)。 加热的具体方法是游离缺失以帮助维持蒸发的充足率的上述方法,worin附带的热被供给到内加热区域(91)和一个包围外加热区(92)Furtherwirt盘和至少一部分 内加热区域(91)被加热到比外加热区(92)的温度。
    • 10. 发明公开
    • Method for forming an article extension by melting of a mandrel in a ceramic mold
    • 一种用于通过在一个陶瓷铸型熔化心轴产生附着过程
    • EP0815991A1
    • 1998-01-07
    • EP97304565.1
    • 1997-06-26
    • GENERAL ELECTRIC COMPANY
    • Bewlay, Bernard PatrickJackson, Melvin RobertRitter, Ann Melinda
    • B22D27/04B22D19/10C30B11/00C30B29/52
    • B22D23/06B22D19/10B23P6/007C30B11/00C30B29/52Y10T29/49318
    • A method for forming integral extensions on the end (4) of directionally oriented, superalloy articles (2), such as airfoil blading members or other components used in gas turbine or other turbine engines. An extension is formed directly on an article by melting a portion or end of the article having an attached integral mandrel (12) within a ceramic mold (16), followed by cooling of the end under controlled conditions sufficient to cause an integral extension to solidify on the article. A ceramic mold is attached on the end of the article over the integral mandrel with a mold cavity that generally defines the shape of the extension to be formed. The mold may be formed in situ on the mandrel, or preformed and attached to the subject article over the mandrel. Extensions formed by the method of this invention have a microstructure that is continuous and compatible with that of the article. Such microstructures may include epitaxial growth of the extension from the microstructure of the article. The method establishes a temperature gradient within the article during solidification that may be further controlled by auxiliary heating and/or cooling of the article and/or extension during the practice of the method.
    • 一种用于在整体延伸上提供至制品的方法包括:选择第(100)包括延伸端的分机键合表面和由所述横截面形状定义的外表面。 所述延伸端部,从而具有超级合金组合物和定向取向的晶体结构。 的心轴(200)附连到延伸接合面。 所述心轴具有一个横截面形状所做的是与延伸端部的横截面形状和兼容于外表面确实连通与延伸部的外表面。 因此,该心轴具有与合金组合物所做的是与超级合金组合物相容。 陶瓷模具(300)被形成在所述芯轴的外表面和延伸端部的外表面的一部分。 模具具有空腔的形状并通过心轴定义和限定所述整体延伸的形状。 心轴通过应用外部加热手段,文章,心轴和模具在受控条件下熔融之前或在熔融过程中被定向所以没有熔融心轴接触所述扩展键合表面,足够长的时间,以允许延伸部接合 表面由被加热并与熔融心轴作为显微组织生长种子相互作用。 所述延伸端部(700)控制的热条件下冷却,以使熔融的心轴以固化上生长种子,在它们之间界面没有从延伸接合表面移动到熔融心轴,如在整体延伸那样个符合 所述模腔的形状,并具有微观结构确实是与延伸端的微观结构相兼容。 受控热条件包括维持检查的物品内的温度梯度所做的温度最高处的界面和物品从界面的距离增加的函数内减小。 所以声称是到文章提供有关整体扩展的第二种方法。