Nickel alloy and articles
    1.
    发明授权
    Nickel alloy and articles 有权
    镍合金和制品

    公开(公告)号:US09562276B2

    公开(公告)日:2017-02-07

    申请号:US14105550

    申请日:2013-12-13

    CPC classification number: C22C19/056 C22C19/03 C22C19/05 C22C19/07 C22F1/10

    Abstract: Articles suitable for use in high temperature applications, such as turbomachinery components, and methods for making such articles, are provided. One embodiment is an article. The article comprises a material comprising a plurality of L12-structured gamma-prime phase precipitates distributed within a matrix phase at a concentration of at least 20% by volume, wherein the gamma-prime phase precipitates are less than 1 micrometer in size, and a plurality of A3-structured eta phase precipitates distributed within the matrix phase at a concentration in the range from about 1% to about 25% by volume. The solvus temperature of the eta phase is higher than the solvus temperature of the gamma-prime phase. Moreover, the material has a median grain size less than 10 micrometers.

    Abstract translation: 提供适用于高温应用的制品,例如涡轮机械部件,以及制造这种制品的方法。 一个实施例是一篇文章。 该制品包括一种材料,其包含分布在基质相中的至少20体积%浓度的多个L12-结构的γ-初相相析出物,其中γ'相析出物的尺寸小于1微米, 分布在基质相中的多个A3结构的η相析出物以约1体积%至约25体积%的浓度。 eta相的solvus温度高于γ-phase相的solvus温度。 此外,材料的中值粒径小于10微米。

    CORROSION RESISTANT STEEL COMPOSITION
    3.
    发明申请
    CORROSION RESISTANT STEEL COMPOSITION 审中-公开
    耐腐蚀钢组合物

    公开(公告)号:US20140170015A1

    公开(公告)日:2014-06-19

    申请号:US13716334

    申请日:2012-12-17

    CPC classification number: C22C38/02

    Abstract: A steel composition resistant to sulfidic corrosion has been discovered. The newly discovered steel composition comprises the elements Fe, C, Si, Cu, and Mn wherein the composition comprises from about 96.80 to about 99.00 percent by weight iron, from about 0.10 to about 0.30 percent by weight carbon, from about 0.20 to about 1.40 percent by weight silicon, from about 0.50 to about 1.50 percent by weight copper, and from about 0.20 to about 1.00 percent by weight manganese, wherein the composition is substantially free of chromium, and wherein the composition contains less than 0.1 percent by weight nickel, molybdenum, or tungsten.

    Abstract translation: 已经发现了耐硫化物腐蚀的钢组合物。 新发现的钢组合物包含元素Fe,C,Si,Cu和Mn,其中组合物包含约96.80至约99.00重量%的铁,约0.10至约0.30重量%的碳,约0.20至约1.40 重量百分比的硅,约0.50至约1.50重量%的铜和约0.20至约1.00重量%的锰,其中所述组合物基本上不含铬,并且其中所述组合物含有小于0.1重量%的镍, 钼或钨。

    METHOD FOR JOINING HIGH TEMPERATURE MATERIALS AND ARTICLES MADE THEREWITH
    10.
    发明申请
    METHOD FOR JOINING HIGH TEMPERATURE MATERIALS AND ARTICLES MADE THEREWITH 审中-公开
    接合高温材料及其制品的方法

    公开(公告)号:US20160023439A1

    公开(公告)日:2016-01-28

    申请号:US14337850

    申请日:2014-07-22

    Abstract: Methods for joining dissimilar high-temperature alloys are provided, along with articles, such as turbine airfoils, formed by the method. The method comprises interposing a barrier material between a first segment and a second segment to form a segment assembly. The first segment comprises a titanium aluminide material, and the second segment comprises a nickel alloy. The barrier material comprises a primary constituent element present in the barrier material at a concentration of at least about 30 weight percent of the barrier material, and the primary constituent element is a transition metal element of Group 1B, Group 4B (excluding titanium and zirconium), Group 5B, Group 6B, Group 7B, or Group 8B (excluding nickel). The segment assembly is bonded in the solid state at a combination of temperature, pressure, and time effective to produce a metallurgical joint between the first and second segments, thereby forming an intermediate article; and the intermediate article is heat treated to form a bonded article.

    Abstract translation: 提供了连接不同的高温合金的方法,以及通过该方法形成的诸如涡轮机翼的制品。 该方法包括在第一段和第二段之间插入阻挡材料以形成段组件。 第一段包括铝化钛材料,第二段包括镍合金。 阻挡材料包含以阻挡材料的至少约30重量%的浓度存在于阻隔材料中的主要构成元素,并且主要构成元素是1B族,第4B族(不包括钛和锆)的过渡金属元素, ,5B组,6B组,7B组或8B组(不含镍)。 段组件以固体状态结合,温度,压力和时间的组合有效地在第一和第二段之间产生冶金接头,从而形成中间制品; 并且中间制品被热处理以形成粘合制品。

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