Patent application number | Description | Published |
20080260570 | Heat-Resistant Superalloy - Disclosed is a novel heat-resistant superalloy for turbine disks having a chemical composition consisting of, in mass %, 19.5-55% of cobalt, 2-25% of chromium, 0.2-7% of aluminum, 3-15% of titanium and the balance of nickel and inevitable impurities. | 10-23-2008 |
20090274928 | Heat-resistant member - A heat-resistant member is provided that includes a Ni-base superalloy substrate coated with at least one substance. The substrate and the substance are formed of materials that are substantially in a state of thermodynamic equilibrium, or in a state similar to a state of thermodynamic equilibrium, so that interdiffusion is suppressed. The heat-resistant member therefore inhibits interdiffusion of elements at the substrate/coating interface even at elevated temperatures of 1,100° C. and higher. | 11-05-2009 |
20100143182 | Ni-BASED SINGLE CRYSTAL SUPERALLOY - A Ni-based single crystal superalloy according to the invention has, for example, a composition including: 5.0 to 7.0 wt % of Al, 4.0 to 10.0 wt % of Ta, 1.1 to 4.5 wt % of Mo, 4.0 to 10.0 wt % of W, 3.1 to 8.0 wt % of Re, 0.0 to 2.0 wt % of Hf, 2.5 to 8.5 wt % of Cr, 0.0 to 9.9 wt % of Co, 0.0 to 4.0 wt % of Nb, and 1.0 to 14.0 wt % of Ru in terms of weight ratio; and the remainder including Ni and incidental impurities. In addition, the contents of Cr, Hf and Al are preferably set so as to satisfy the equation OP≧108. According to the Ni-based single crystal superalloy of the invention, high creep strength can be maintained and the oxidation resistance can be improved. | 06-10-2010 |
20110142714 | Ni-BASED SINGLE CRYSTAL SUPERALLOY AND COMPONENT OBTAINED FROM THE SAME - Provided is an Ni-based single crystal superalloy wherein the ingredients have a composition containing, as ratio by mass, from 5.0% by mass to 7.0% by mass of Al, from 4.0% by mass to 8.0% by mass of Ta, from 0% by mass to 2.0% by mass of Mo, from 3.0% by mass to 8.0% by mass of W, from 3.0% by mass to 8.0% by mass of Re, from 0% by mass to 0.50% by mass of Hf, from 3.0% by mass to 7.0% by mass of Cr, from 0% by mass to 9.9% by mass of Co and from 1.0% by mass to 10.0% by mass of Ru, with the balance of Ni and inevitable impurities. The alloy prevents TCP phase precipitation at high temperatures, therefore having improved strength at high temperatures and having oxidation resistance at high temperatures. | 06-16-2011 |
20110194971 | HEAT-RESISTANT SUPERALLOY - Disclosed is a novel heat-resistant superalloy for turbine disks having a chemical composition consisting of, in mass %, 19.5-55% of cobalt, 2-25% of chromium, 0.2-7% of aluminum, 3-15% of titanium and the balance of nickel and inevitable impurities. | 08-11-2011 |
20110262299 | Ni-BASED SINGLE CRYSTAL SUPERALLOY AND COMPONENT USING THE SAME AS SUBSTRATE - Provided is an Ni-based single crystal superalloy wherein the ingredients have a composition containing, as ratio by mass, from 5.0% by mass to 7.0% by mass of Al, from 4.0% by mass to 8.0% by mass of Ta, from 0% by mass to 2.0% by mass of Mo, from 3.0% by mass to 8.0% by mass of W, from 3.0% by mass to 8.0% by mass of Re, from 0% by mass to 0.50% by mass of Hf, from 3.0% by mass to 6.0% by mass of Cr, from 0% by mass to 9.9% by mass of Co, from 1.0% by mass to 14.0% by mass of Ru, and from 0.1% by mass to 4.0% by mass of Nb, with the balance of Ni and inevitable impurities. The alloy prevents TCP phase precipitation at high temperatures, therefore having improved strength at high temperatures and having oxidation resistance at high temperatures. | 10-27-2011 |
20120014832 | Ni-BASED SINGLE CRYSTAL SUPERALLOY - The Ni-based single crystal alloy disclosed here is a single crystal and has a chemical composition containing, as % by mass,
| 01-19-2012 |
20120242000 | FPC CONNECTOR MANUFACTURING METHOD - An FPC connector is manufactured by pouring a resin material into a cavity defined by a mold through a gate formed to the mold so as to fill the cavity to thereby perform an injection molding of the FPC connector. In the manufacture, a mold to which a single gate is formed is used, and the gate is formed at a position between one end portion of the cavity and a portion apart inside by 15/100 of a full length of the cavity from one end in a longitudinal direction thereof. A liquid crystalline polyester may be preferable used as the resin material. | 09-27-2012 |
20120279351 | HEAT-RESISTANT SUPERALLOY - A heat-resistant superalloy having chromium, aluminum, cobalt, titanium, and ruthenium added thereto as main components, and having a subcomponent(s) optionally added thereto, the remainder, excluding the main components and the subcomponent(s), comprising nickel and an impurity inevitably contained,
| 11-08-2012 |
20130095346 | HEAT-RESISTANT COMPONENT - A Ni-based superalloy component includes a bond coat layer having a chemical composition not allowing interdiffusion to occur on a Ni-base superalloy substrate, and by allowing the bond coat layer to have Pt and/or Ir content equal to or higher than 0.2% but not exceeding 15% by mass, generation of an SRZ, which occurs at an interface between the Ni-base superalloy substrate and the bond coat layer in a high-temperature oxidizing atmosphere, can be suppressed, and at the same time adhesion at the interface between a ceramic thermal barrier coat layer and the bond coat layer is improved. Thus, a long-life Ni-based superalloy component with suppressed elemental interdiffusion between the Ni-base superalloy substrate and the bond coat layer even at temperatures exceeding 1100° C. is provided. | 04-18-2013 |
20130167687 | NICKEL ALLOY - There is provided a nickel alloy having an excellent creep strength as well as high-temperature oxidation resistance. The nickel alloy of the present invention comprises, by mass percent, Cr in a range of 11.5 to 11.9%, Co in a range of 25 to 29%, Mo in a range of 3.4 to 3.7%, W in a range of 1.9 to 2.1%, Ti in a range of 3.9 to 4.4%, Al in a range of 2.9 to 3.2%, C in a range of 0.02 to 0.03%, B in a range of 0.01 to 0.03%, Zr in a range of 0.04 to 0.06%, Ta in a range of 2.1 to 2.2%, Hf in a range of 0.3 to 0.4%, and Nb in a range of 0.5 to 0.8%, the balance being Ni and unavoidable impurities, and contains carbides and borides precipitating in crystal grains and at grain boundaries. | 07-04-2013 |
20130202913 | Ni-BASED SUPERALLOY COMPONENT HAVING HEAT-RESISTANT BOND COAT LAYER FORMED THEREIN - Provided is an Ni-based superalloy component having a three-layer configuration of an Ni-based superalloy substrate, a bond coat layer and a top coat layer, wherein the alloy material of the bond coat layer has a composition including Co of at most 15.0% by mass, Cr of from 0.1% by mass to 7.5% by mass, Mo of at most 3.0% by mass, W of from 4.1% by mass to 10.0% by mass, Al of from 6.0% by mass to 10.0% by mass, Ti of at most 2.0% by mass, Ta of from 5.0% by mass to 15.0% by mass, Hf of at most 1.5% by mass, Y of at most 1.0% by mass, Nb of at most 2.0% by mass and Si of at most 2.0% by mass with a balance of Ni and inevitable impurities, and the Ni-based superalloy substrate has a composition including Al of from 1.0% by mass to 10.0% by mass, Ta of from 0% by mass to 14.0% by mass, Mo of from 0% by mass to 10.0% by mass, W of from 0% by mass to 15.0% by mass, Re of from 0% by mass to 10.0% by mass, Hf of from 0% by mass to 3.0% by mass, Cr of from 0% by mass to 20.0% by mass, Co of from 0% by mass to 20% by mass, Ru of from 0% by mass to 14.0% by mass, Nb of from 0% by mass to 4.0% by mass, Ti of from 0% by mass to 4.0% by mass and Si of from 0% by mass to 2.0% by mass with a balance of Ni and inevitable impurities. The Ni-based superalloy component has the heat-resistant bond coat layer formed therein and is extremely excellent in environmental characteristics such as oxidation resistance and high-temperature corrosion resistance, especially having a long heat cycle life, and is favorable for turbine blades and vanes. | 08-08-2013 |
20130316891 | OXIDE MATRIX COMPOSITE MATERIAL - The oxide matrix composite material is obtained by subjecting a fiber composed of at least one oxide or complex oxide and a matrix composed of at least one oxide or complex oxide to composite formation. For the fiber and the matrix, a component composition is selected such that the fiber and the matrix keep thermodynamic equilibrium to each other in a temperature range not exceeding the melting temperature, and a fiber diameter of the fiber at the time of equilibrium keeps ½ or more of a fiber diameter of the fiber at the start of the composite formation. | 11-28-2013 |
20140373979 | NICKEL-BASED HEAT-RESISTANT SUPERALLOY - Disclosed herein is a nickel-based heat-resistant superalloy produced by a casting and forging method, the nickel-based heat-resistant superalloy comprising 2.0 mass % or more but 25 mass % or less of chromium, 0.2 mass % or more but 7.0 mass % or less of aluminum, 19.5 mass % or more but 55.0 mass % or less of cobalt, [0.17×(mass % of cobalt content−23)+3] mass % or more but [0.17×(mass % of cobalt content−20)+7] mass % or less and 5.1 mass % or more of titanium, and the balance being nickel and inevitable impurities, and being subjected to solution heat treatment at 93% or more but less than 100% of a γ′ solvus temperature. | 12-25-2014 |