Patent application number | Description | Published |
20090214376 | CREEP-RESISTANT STEEL - The disclosure relates to a creep-resistant steel which having a chemical composition (values in % by weight) of: about 0.10 to 0.15 C, 8 to 13 Cr, 0.1 to 0.5 Mn, 2 to 3 Ni; at least one or both elements from the group Mo, W in a range in each case of about 0.5 to 2.0 or, if both elements are present, a maximum total of about 3.0; about 0.02 to 0.2 Nb, 0.05 to 2 Ta, 0.1 to 0.4 V, 0.005 to 2 Pd, 0.02 to 0.08 N, 0.03 to 0.15 Si; and about 80 to 120 ppm B, maximum about 100 ppm Al, maximum about 150 ppm P, maximum about 250 ppm As, maximum about 120 ppm Sn, maximum about 30 ppm Sb, maximum 50 ppm S, a remainder of the composition being iron and impurities. | 08-27-2009 |
20100020848 | PROTECTIVE TUBES FOR THERMOCOUPLES - Protective tubes for thermocouples exposed to oxidizing atmospheres at temperatures in the region of approximately 1100° C. are produced from a single-crystal nickel-based superalloy, preferably from an alloy having the following chemical composition (in % by weight): 7.7-8.3 Cr, 5.0-5.25 Co, 2.0-2.1 Mo, 7.8-8.3 W, 5.8-6.1 Ta, 4.9-5.1 Al, 1.3-1.4 Ti, 0.11-0.15 Si, 0.11-0.15 Hf, 200-750 ppm C, 50-400 ppm B, remainder nickel and unavoidable impurities. Protective tubes of this type exhibit good strength and good oxidation resistance under severe stress conditions. | 01-28-2010 |
20100021338 | HIGH-TEMPERATURE ALLOY - An iron-based high-temperature alloy is disclosed which contains the following chemical composition: 20% by weight Cr; 5 to 6% by weight Al; 4% by weight Ta; 4% by weight Mo; 3 to 4% by weight Re; 0.2% by weight Zr; 0.05% by weight B; 0.1% by weight Y; 0.1% by weight Hf; 0 to 0.05% by weight C; and remainder Fe and unavoidable impurities. The alloy can be produced at low cost and can possess outstanding oxidation resistance and good mechanical properties at temperatures up to 1200° C. | 01-28-2010 |
20100040502 | CREEP-RESISTANT STEEL - A creep-resistant steel is characterized by the following chemical composition (values in % by weight): 9.0 to 12.0 Cr, 0.1 to 0.5 Mn, 2.3 to 3 Ni, 1.5 to 2.0 Mo, 0.1 to 0.4 V, 0.01 to 0.06 Nb, 0.08 to 0.16 C, 0.02 to 0.08 N, 0.004 to 0.012 B, 0.001 to 2 Ta, 0.001 to 0.5 La, 0.0001 to 1 Pd, maximum 0.005 P, maximum 0.005 S, maximum 0.05 Si, maximum 0.005 Sn, the remainder iron and unavoidable impurities. This steel is distinguished, as compared with commercial steels, by a greatly improved creep behavior at temperatures of 550° C. and above. Moreover, it has an improved resistance to embrittlement during long-term aging and comparatively high toughness. The steel is advantageously used as a material for gas turbine rotors which are exposed to high inlet temperatures in order to increase the efficiency of the gas turbine, but is also used for steam turbines. | 02-18-2010 |
20100061883 | HIGH-TEMPERATURE-RESISTANT COBALT-BASE SUPERALLOY - A cobalt-base superalloy chemical composition is disclosed which includes, in % by weight: 25-28 W; 3-8 Al; 0.5-6 Ta; 0-3 Mo; 0.01-0.2 C; 0.01-0.1 Hf; 0.001-0.05 B; 0.01-0.1 Si; and remainder Co and unavoidable impurities. This superalloy can be strengthened by γ′ dispersions and further dispersion mechanisms. Exemplary compositions can provide good oxidation properties and improved strength values at high temperatures. | 03-11-2010 |
20100206937 | WELDING ADDITIVE MATERIAL - A steel has the following chemical composition (amounts in % by weight):
| 08-19-2010 |
20110194972 | NICKEL-BASE SUPERALLOY WITH IMPROVED DEGRADATION BEHAVIOR - A nickel-base superalloy with improved degradation behavior consists essentially of the following chemical composition (details in % by weight): 7.7-8.3 Cr, 5.0-5.25 Co, 2.0-2.1 Mo, 7.8-8.3 W, 5.8-6.1 Ta, 4.9-5.1 Al, 1.3-1.4 Ti, 0.1-0.6 Pt, 0.1-0.5 Nb, 0.11-0.15 Si, 0.11-0.15 Hf, 200-750 ppm C, 50-400 ppm B, and the remainder Ni and production-related impurities. | 08-11-2011 |
20120000577 | PROCESS FOR PRODUCING A SINGLE-CRYSTAL COMPONENT MADE OF A NICKEL-BASED SUPERALLOY - In a process for producing a large single-crystal component or directionally solidified component made of a nickel-based superalloy, the component is first cast into shape in a known manner to form a microstructure comprising dendrites, and then solution annealing for homogenizing the cast microstructure of the component and two-stage precipitation heat treatment are carried out. In order to avoid chemical inhomogeneities and internal stresses caused thereby, a HIP process with a pressure of higher than 160 MPa is carried out following the solution annealing. | 01-05-2012 |
Patent application number | Description | Published |
20080241560 | Ceramic Thermal Barrier Coating - A ceramic thermal barrier coating ( | 10-02-2008 |
20090060774 | HIGH-TEMPERATURE ALLOY - An iron-based high-temperature alloy has the following chemical composition (values given being in % by weight):
| 03-05-2009 |
20100104764 | METHOD OF FORMING A CERAMIC THERMAL BARRIER COATING - A ceramic thermal barrier coating ( | 04-29-2010 |
20100129256 | HIGH TEMPERATURE AND OXIDATION RESISTANT MATERIAL - High-temperature materials, based on alloyed intermetallic NiAl, have the following chemical composition (values in % by weight):
| 05-27-2010 |
20120128527 | NICKEL-BASED SUPERALLOY - A nickel-base superalloy is characterized by the following chemical composition (details in % by weight): 7.7-8.3 Cr, 5.0-5.25 Co, 2.0-2.1 Mo, 7.8-8.3 W, 5.8-6.1 Ta, 4.9-5.1 Al, 1.0-1.5 Ti, 1.0-2.0 Re, 0.11-0.15 Si, 0.1-0.7 Hf, 0-0.5 Nb, 0.02-0.17 C, 50-400 ppm B, remainder Ni and production-related impurities. The alloy is distinguished by a very high resistance to oxidation, resistance to corrosion and good creep properties at high temperatures. | 05-24-2012 |
20120187093 | FILLER MATERIAL FOR WELDING - A filler material for welding is characterized by the following chemical composition (amounts in % by weight):
| 07-26-2012 |
20140050609 | OXIDATION RESISTANT NICKEL ALLOY - The present invention relates to an oxidation resistant Nickel alloy, characterized in the following chemical composition (in % by weight): 4-7 Cr, 4-5 Si, 0.1-0.2 Y, 0.1-0.2 Mg, 0.1-0.2 Hf, remainder Ni and unavoidable impurities. A preferred embodiment has the following chemical composition (in % by weight): 6 Cr, 4.4 Si, 0.1 Y, 0.15 Mg, 0.1 Hf, remainder Ni and unavoidable impurities. This alloy has an improved oxidation resistance, good creep properties at high temperatures and. | 02-20-2014 |