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| Number | Title | Issue Date |
| 8187532 | Ring-shaped disk for gas turbine This ring-shaped disk for a gas turbine includes a ring-shaped disk material consisting of a Ni-based alloy, wherein the Ni-based alloy has a composition that includes, in terms of percent by mass, Ni: 50.00 to 55.00%, Cr: 17.0 to 21.0%, Nb: 4.75 to 5.60%, Mo: 2.8 t... | 05/29/2012 |
| 8187531 | Wire for welding nickel based heat resistant alloy A wire for welding Ni-based heat resistant alloy, comprising: a composition containing, in mass %, Cr: 14.0 to 21.5%, Co: 6.5 to 14.5%, Mo: 6.5 to 10.0%, W: 1.5 to 3.5%, Al: 1.2 to 2.4%, Ti: 1.1 to 2.1%; Fe: 7.0% or less, B: 0.0001 to 0.020%, C: 0.03 to 0.15%, and a... | 05/29/2012 |
| 8147749 | Superalloy compositions, articles, and methods of manufacture A composition of matter comprises, in combination, in weight percent: a largest content of nickel; at least 16.0 percent cobalt; and at least 3.0 percent tantalum. The composition may be used in power metallurgical processes to form turbine engine turbine disks.... | 04/03/2012 |
| 8101122 | NiCrMoCb alloy with improved mechanical properties The invention includes a turbine cover bucket of an alloy including carbon at less than approximately 0.04 weight percent, manganese at approximately 0.0-0.2 weight percent, silicon at approximately 0.0-0.25 weight percent, phosphorus at approximately 0.0-0.015 weig... | 01/24/2012 |
| 8066938 | Ni-Cr-Co alloy for advanced gas turbine engines A wrought age-hardenable nickel-chromium-cobalt based alloy suitable for use in high temperature gas turbine transition ducts possessing a combination of three specific key properties, namely resistance to strain age cracking, good thermal stability, and good creep-... | 11/29/2011 |
| 7922969 | Corrosion-resistant nickel-base alloy The corrosion-resistant nickel-base alloy combines thermal stability with corrosion resistance and mechanical strength. The alloy contains balanced proportions of nickel, molybdenum, chromium, and iron with an effective amount of yttrium to stabilize grain boundarie... | 04/12/2011 |
| 7887748 | Solder material for soldering components The invention relates to a method for repairing components that consist of superalloys, in particular for repairing components that consist of a superalloy with an aligned microstructure in such a way that the repaired site likewise has an aligned microstructure. Th... | 02/15/2011 |
| 7799271 | Ni-base wear and corrosion resistant alloy Nickel base alloys for use in applications for highly corrosive and abrasive environments. The alloys contain a large volume fraction of metallic carbide particles that provide wear and abrasion resistance. The alloys are produced by induction melting and gas atomiz... | 09/21/2010 |
| H2245 | Age-hardenable, nickel-base superalloy with improved notch ductility A precipitation hardenable nickel base alloy that provides a novel combination of elevated temperature strength, ductility, and reduced notch sensitivity at temperatures up to about 1300° F. is described. The alloy contains, in weight percent, about | 08/03/2010 |
| 7597843 | Nickel based superalloys with excellent mechanical strength, corrosion resistance and oxidation resistance Nickel based superalloys with excellent mechanical strength, corrosion resistance and oxidation resistance, which consist essentially of chromium in an amount of 3 to 7% by weight, cobalt in an amount of 3 to 15% by weight, tungsten in an amount of 4.5 to 8% by weig... | 10/06/2009 |
| 7481970 | Heat resistant alloy for use as material of engine valve A low cost, economical and less resource-consuming heat resistant alloy for use as material of engine valve is disclosed, while the alloy has excellent mechanical properties at high temperature and excellent toughness after heated for a long time that conventional h... | 01/27/2009 |
| RE40501 | Nickel-base superalloys and articles formed therefrom An article, such as a turbine engine component, formed from a nickel-base superalloy, the nickel-base superalloy containing a γ″ tetragonal phase and comprising aluminum, titanium, tantalum, niobium, chromium, molybdenum, and the balance nickel, wherein the artic... | 09/16/2008 |
| 7416618 | High strength corrosion resistant alloy for oil patch applications A Ni—Fe—Cr alloy having high strength, ductility and corrosion resistance especially for use in deep-drilled, corrosive oil and gas well environments, as well as for marine environments. The alloy comprises in weight %: 35-55% Ni, 12-25% Cr, 0.5-5% Mo, up to 3% ... | 08/26/2008 |
| 7361302 | Oxidation and fatigue resistant metallic coating The present invention relates to a metallic coating to be deposited on gas turbine engine components. The metallic coating comprises up to 18 wt % cobalt, 3.0 to 18 wt % chromium, 5.0 to 15 wt % aluminum, 0.1 to 1.0 wt % yttrium, up to 0.6 wt % hafnium, up to 0.3 wt... | 04/22/2008 |
| 7338259 | High modulus metallic component for high vibratory operation A high modulus component, such as an aircraft engine turbine blade, is formed from a base metal that has a high modulus crystallographic orientation that is aligned with the primary, i.e. radial, direction of the turbine blade. The base metal is Ni, Fe, Ti, Co, Al, ... | 03/04/2008 |
| 7306682 | Single-crystal Ni-based superalloy with high temperature strength, oxidation resistance and hot corrosion resistance An object of this invention is to provide a single-crystal nickel-based superalloy having high creep rupture strength at high temperatures and excel at corrosion resistance and oxidation resistance at high temperatures. Single-crystal nickel-based superalloys... | 12/11/2007 |
| 7268474 | Alloy, electrode with the alloy, and ignition device with the alloy A nickel alloy has 10-20 weight percent of chromium, and 1-4 weight percent of an element selected from the group consisting of aluminum, silicium and both, and can be used in an electrode, for example in an ignition device. ... | 09/11/2007 |
| 7261783 | Low density, high creep resistant single crystal superalloy for turbine airfoils A nickel-base superalloy article for use in turbines has increased creep resistance and lower density. The superalloy article includes, as measured in % by weight, 6.0-12.0% Mo, 5.5-6.5% Al, 3.0-7.0% Ta, 0-15% Co, 2.0-6.0% Cr, 1.0-4.0% Re, 0-1.5% W, 0-1.5% Ru, 0-2.0... | 08/28/2007 |
| 7220326 | Nickel-base alloy A family of castable and weldable nickel-base alloys that exhibit a desirable balance of strength and resistance to corrosion and oxidation suitable for gas turbine engine applications. A first alloy consists essentially of, by weight, 1 8% to 20% cobalt, 22.2% to 2... | 05/22/2007 |
| 7186304 | Carbo-nitrided case hardened martensitic stainless steels A carbo-nitriding process for forming a martensitic stainless steel, which is case hardened and superior corrosion resistance over carburized process, is provided. A process for forming a martensitic stainless steel which is case hardened is provided. The process co... | 03/06/2007 |
| 7169241 | Ni-based superalloy having high oxidation resistance and gas turbine part A Ni-based alloy hardened with the γ′ phase, which is able to exhibit not only superior strength at high temperatures, but also excellent hot corrosion resistance and oxidation resistance at high temperatures in spite of containing no Re or reducing the amount of... | 01/30/2007 |
| 7165325 | Welding material, gas turbine blade or nozzle and a method of repairing a gas turbine blade or nozzle A welding material composition, which is a nickel based super alloy having γ′ phase and chromium carbides precipitated. The composition comprising 18 to 25% by weight of Co, 15 to 20% by weight of Cr, 1.5 to 5.5% by weight of Al, 5 to 14% by weight of W, 0.05 to ... | 01/23/2007 |
| 7160400 | Low thermal expansion Ni-base superalloy A low thermal expansion Ni-base superalloy contains, by weight % (hereinafter the same as long as not particularly defined) C: 0.15% or less; Si: 1% or less; Mn: 1% or less; Cr: 5 to 20%; at least one of Mo, W and Re of Mo+½(W+Re) of 17 (exclusive) to 25%; Al: 0.2 ... | 01/09/2007 |
| 7156932 | Nickel-base alloys and methods of heat treating nickel-base alloys Embodiments of the present invention relate to nickel-base alloys, and in particular 718-type nickel-base alloys, having a desired microstructure that is predominantly strengthened by γ′-phase precipitates and comprises an amount of at least one grain boundary pr... | 01/02/2007 |
| 7141128 | Intermetallic material and use of this material The invention discloses an intermetallic material consisting of the following composition by weight percent: 10% Al, 22% Cr, 36% Co, 0.2% Y, 0.2% Hf, 2% Ta, 3% Fe, remainder Ni and inevitable impurities. The invention also describes its use as a layer protecting aga... | 11/28/2006 |
| 7141223 | Fuel reformer A fuel reformer for reforming hydrocarbon base fuel into hydrogen rich gas, with one embodiment comprised of material containing at least 15 to 25% by mass Cr, 8 to 35% by mass Ni, 2 to 4% by mass Si and the remainder Fe and inevitable impurities (C, Mn, P, S or oth... | 11/28/2006 |
| 7115175 | Modified advanced high strength single crystal superalloy composition The present invention relates to an improved single crystal nickel base superalloy and a process for making same. The single crystal nickel base superalloy has a composition comprising 3 to 12 wt % chromium, up to 3 wt % molybdenum, 3 to 10 wt % tungsten, up to 5 wt... | 10/03/2006 |
| 7074284 | Heat treatment method for bodies that comprise a nickel based superalloy In a heat treatment process for a single-crystal or directionally solidified material body comprising a nickel-based superalloy, the material body is solution-annealed and then at a first temperature γ′ particles of greater than 1 μm are precipitated in a propor... | 07/11/2006 |
| 7052782 | High-temperature protection layer A high-temperature protection layer contains (% by weight) 23 to 27% Cr, 4 to 7% Al, 0.1 to 3% Si, 0.1 to 3% Ta, 0.2 to 2% Y, 0.001 to 0.01% B, 0.001 to 0.01% Mg and 0.001 to 0.01% Ca, remainder Ni and inevitable impurities. Optionally, the Al content is in a range ... | 05/30/2006 |
| 7017793 | Repair process In accordance with the present invention, a process for repairing metal workpieces, such as turbine engine components, is provided. The process comprises the steps of forming a braze paste containing a first nickel base alloy material containing boron and chromium a... | 03/28/2006 |
| 7014723 | Nickel-base alloy Castable and weldable nickel-base alloys that exhibit a desirable balance of strength and resistance to corrosion and oxidation suitable for gas turbine engine applications. The alloy contains, by weight, about 10% to about 25% cobalt, about 20% to about 28% chromiu... | 03/21/2006 |
| 7011721 | Superalloy for single crystal turbine vanes A nickel-base superalloy that is useful for making single crystal castings exhibiting outstanding stress-rupture properties, creep-rupture properties, and an increased tolerance for grain defects contains, in percentages by weight, from about 4.7% to about 4.9% chro... | 03/14/2006 |
| 7008553 | Method for removing aluminide coating from metal substrate and turbine engine part so treated A method for selectively removing an aluminide coating from at least one surface of a metal-based substrate by: (a) contacting the surface of the substrate with at least one stripping composition comprising nitric acid at a temperature less than about 20° C. to deg... | 03/07/2006 |
| 7005015 | High-temperature-resistant component and process for producing the high-temperature-resistant component A high-temperature component made of a nickel super-alloy has the following composition in wt %: 11–13% of Cr, 3–5% of W, 0.5–2.5% of Mo, 3–5% of Al, 3–5% of Ti, 3–7% of Ta, 1–5% of Re and a remainder formed of nickel. A corresponding component which i... | 02/28/2006 |
| 6997994 | Ni based alloy, method for producing the same, and forging die A solution treatment is firstly performed for a non-heat-treated Ni based alloy having a composition equivalent to that of Inconel 718 (registered trademark). Subsequently, a primary aging treatment is applied by holding the Ni based alloy at 610 to 660° C. for 5 t... | 02/14/2006 |
| 6974508 | Nickel base superalloy turbine disk A low solvus, high refractory alloy having unusually versatile processing mechanical property capabilities for advanced disks and rotors in gas turbine engines. The nickel base superalloy has a composition consisting essentially of, in weight percent, 3.0–4.0 Al, ... | 12/13/2005 |
| 6969240 | Integral turbine composed of a cast single crystal blade ring diffusion bonded to a high strength disk A lightweight high temperature bladed turbine disk intended for use in gas turbine engines. The bladed disk comprises a cast integral ring of single crystal airfoils with the primary and secondary crystallographic orientation being the same for each airfoil. Low-ang... | 11/29/2005 |
| 6969431 | High temperature powder metallurgy superalloy with enhanced fatigue and creep resistance A nickel based superalloy composition comprising 16.0 to 20.0 weight % Co, 9.5 to 11.5 weight % Cr, 1.8 to 3.0 weight % Mo, 4.3 to 6.0 weight % W, 3.0 to 4.2 weight % Al, 3.0 to 4.4 weight % Ti, 1.0 to 2.0 weight % Ta, 0.5 to 1.5 weight % Nb, 0.01 to 0.05 weight % C... | 11/29/2005 |
| 6968991 | Diffusion bond mixture for healing single crystal alloys A diffusion bond mixture paint and method for repairing a single-crystal superalloy article that minimizes the amount of braze alloy applied to the article. The amount of boron and eutectic brittle borides of the wide gap brazing processes is minimized, resulting in... | 11/29/2005 |
| 6936116 | Nickel-based alloy for producing components solidified in single crystal form A nickel-based alloy for producing, by casting, components which have solidified in single crystal form, contains rhenium and tungsten, as well as aluminium, chromium and cobalt. The rhenium content is at least 2.3% by weight, and the weight ratio of the tungsten co... | 08/30/2005 |
