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Patent Searching and Data


Matches 401 - 450 out of 11,468

Document Document Title
WO/2005/123973A1
Metallurgical powder compositions are provided that include calcium aluminate additives, i.e., calcium aluminate or calcium aluminate containing powders, to enhance the machinability and durability of compacted and sintered parts made th...  
WO/2005/123306A1
A method for manufacturing powder metallurgical composite material and a material manufactured with said method, whereby in said method at least one steel powder including alloying materials forming nitrides and carbides is used, and in ...  
WO/2005/121382A1
A composition for use with alloys including extra-fine nickel powder dispersed with a hydrophobic inorganic dispersant which is preferably high-purity fumed silica treated with hexamethyldisilazane. The composition prevents the agglomera...  
WO/2005/121383A1
The invention relates to a heavy-duty engine component that is tribologically and dynamically highly stressed, in particular that is subjected to sliding wear, such as for example a cam follower, cam, valve actuation lever, valve-clearan...  
WO/2005/120749A1
The invention relates to a method consisting of the steps of providing a pre-alloyed iron-based metal powder comprising at least 1.3-3.5% chromium, 0.15-0.7% molybdenum, manganese and unavoidable impurities, mixing said powder with 0.1-1...  
WO/2005/113178A2
A powder metal toothed part and a method of producing a toothed sintered metal part by uniaxially compacting an iron or iron- based powder having coarse particles in a single compaction step, subjecting the part to sintering, and subject...  
WO/2005/105343A1
Disclosed is a method for producing a raw material alloy for R-T-Q rare earth magnets. In this method, there is firstly prepared a melt of an R-T-Q rare earth alloy (with R representing a rare earth element, T representing a transition m...  
WO/2005/102564A1
Disclosed is a mixed powder for powder metallurgy which is obtained by diffusing and adhering 0.05-1.0 mass% of Mo over the surface of an iron base powder which contains, as a prealloy, not more than 0.5 mass% of Mn and 0.2-1.5 mass% of ...  
WO/2005/103315A1
Disclosed is an iron-based sintered alloy which is obtained by sintering a powder compact formed by pressing a raw material powder mainly containing Fe. When the total of this iron-based sintered alloy is 100 mass%, it contains 0.1-1.0 m...  
WO/2005/102567A1
The invention concerns an iron-based powder composition comprising, in addition to the iron-based powder, 0.02% and 1.0%, weight of a machinability improving additive, comprising calcium fluoride and hexagonal boron nitride. The inventio...  
WO2005053882A3
A process is provided wherein a metal powder of iron or low alloy steel is mixed with a lubricant having a characteristic of becoming liquid under pressure and of evaporating under a sintering temperature and at least one liquid phase fo...  
WO/2005/102566A1
The invention concerns a method for producing products and a coarse iron-based powder comprising a lubricant having a crystalline melting point below 25 °C, a viscosity (&eegr ) at 40 °C above 15 mPas and wherein said viscosity is temp...  
WO/2005/102565A1
The invention concerns a sintered metal part which has a densified surface and sintered density of at least 7.35 g/cm3 and a core structure distinguished by a pore structure obtained by single pressing to at least 7.35 g/cm3 and single s...  
WO/2005/099937A2
Metallurgical powder compositions of the present invention include an iron based powder combined with a master alloy powder, as a mechanical property enhancing powder. The addition of master alloy powders has been found to enhance the me...  
WO/2005/096326A1
Disclosed are a rare earth magnet having sufficient corrosion resistance and a method for manufacturing such a rare earth magnet. A rare earth magnet of a preferred embodiment of the present invention comprises a magnet base body contain...  
WO/2005/095662A1
The application relates to the problem of improving the corrosion resistance and creep properties of standard Cr-steels like E911 (table 1) at high temperatures. To solve this problem, a method of adding up to 0.5 atomic % Hf both during...  
WO/2005/095024A1
A process for producing an alloy slab for rare-earth sintered magnet, in which homogenization of R-rich region and 2-14-1 phase dendrite spacings, sizes, orientations, shapes, etc. can be attained with the generation of chill crystal sup...  
WO/2005/095661A2
A method of making high-density (>7.Og/ml) sintered iron-based alloy parts by using boron-containing Master Alloys comprises the steps of mixing an atomised, boron-containing master alloy powder, or a plurality of master alloy powders at...  
WO/2005/095030A1
A method for producing a soft magnetic material comprises a step for preparing a soft magnetic powder containing a plurality of soft magnetic particles (10), a step for removing surfaces (10a) of the soft magnetic particles (10) by etchi...  
WO/2005/093111A1
A sintered soft magnetic member exhibiting uniform distribution of alloy components and having excellent magnetic characteristics which comprises a material having a chemical composition, in mass %, that Cr: 2.9 to 7 %, Si: 1.5 to 6.88 %...  
WO/2005/092542A1
A nano crystalline high carbon iron alloy powder having high hardness, which comprises aggregates of high carbon iron nano crystal grains and containing 3.6 to 6.7 mass % of carbon, wherein a material reinforcing the ferrite phase in the...  
WO/2005/092543A1
A nano crystalline white cast iron powder having high hardness, which comprises aggregates of white cast iron nano crystalline particles and containg 2.2 to 3.5 mass % of carbon, wherein a material reinforcing the ferrite phase in the ab...  
WO/2005/087411A1
An iron-based powder mixture for powder metallurgy that excels in fluidity as powder, giving a green compact whose withdrawal from a metal mold is easier than in the prior art, the obtained green compact having a density stabilized and e...  
WO/2005/085487A1
A process of large-scale ledeburite steels comprises casting the molten ledeburite steels to form a flat ingot with small section; rolling the ingot to a plate; machining the plate to small pieces with identical sizes according to the de...  
WO/2005/071124A1
A powder metal mixture comprises a lubricant powder conventionally used to produce powder metal parts in combination with a modified lubricant. A lubricant conventionally used to compact and sinter a chosen powder metal mixture is modifi...  
WO2005053883A3
A fully densified substantially homogeneous steel part is made by infiltrating a skeleton made form steel powder with an infiltrant of a similar composition. The composition of the powder and the infiltrant differ primarily only in that ...  
WO/2005/068673A1
A method of making a composite chrome powder is provided. The method includes selecting a ferrochrome material. The ferrochrome material is mixed together with a nickel­based material, and a composite chrome powder is generated from the...  
WO/2005/061157A1
The invention concerns an improved segregation-resistant and dust-resistant metallurgical composition for making compacted parts, comprising at least about 80 percent by weight of an iron or iron-based powder; at least one alloying powde...  
WO2004072313A3
Metal alloys having low electrical and thermal conductivity including relatively large fractions of P-Group element additions. The P-Group elements may be selected from the group including phosphorous, carbon, boron, and silicon. The res...  
WO/2005/056855A1
The present invention provides iron-based infiltration methods for manufacturing powder metallurgy components, compositions prepared from those methods, and methods of designing those infiltration methods. Iron-based infiltration methods...  
WO/2005/053882A2
A process is provided wherein a metal powder of iron or low alloy steel is mixed with a lubricant having a characteristic of becoming liquid under pressure and of evaporating under a sintering temperature and at least one liquid phase fo...  
WO/2005/053883A2
A fully densified substantially homogeneous steel part is made by infiltrating a skeleton made form steel powder with an infiltrant of a similar composition. The composition of the powder and the infiltrant differ primarily only in that ...  
WO/2005/053881A2
The metallurgical powder composition suspensions of the present invention include a magnetic powder having an outer oxide layer suspended in a carrier fluid. Magnetic powders include iron-based powders, such as for example, powders of ir...  
WO/2005/054531A1
A steel material having a good resistance to corrosion, consisting of an alloy containing in % by weight: max 0.12 C 0.5-1.5 N 12-18 Cr max 0.5 Mn max 0.5 Ni 1-5 (Mo + W/2) max 1.5 (V + Nb/2 + Ti) 0.1-0.5 Si from traces and up to max 2.0...  
WO/2005/040441A1
A wear resistant, high chromium white iron, in an unheat-treated condition has a microstructure substantially comprising austenite and M7C3 carbides. The white iron contains at least one martensite promoter and at least one austenite sta...  
WO/2005/038065A1
[PROBLEMS] To provide a valve sheet made of an Fe-Al-C sintered alloy which exhibits excellent resistance to oxidation at a high temperature and high strength. [MEANS FOR SOLVING PROBLEMS] A valve sheet made of an Fe-Al-C sintered alloy ...  
WO/2005/031125A1
[PROBLEMS] To provide a valve sheet to be fitted on an assembly support part disposed at an intake vent of aluminum alloy cylinder head, which valve sheet inhibits galvanic corrosion. [MEANS FOR SOLVING PROBLEMS] There is provided iron b...  
WO/2005/021190A1
To provide an iron-based sintered alloy excellent in shape accuracy and wear resistance, and reduced hostility to mating materials, and having sufficient hardness after tempering, as well as a manufacturing method thereof. Iron-based all...  
WO2004101836A3
The aim of the invention is to provide an oil pump that is both light and compact. To this end, the inventive oil pump comprises a housing consisting of a material containing aluminium, and mobile moulded parts are arranged in said housi...  
WO/2005/002766A1
The present invention relates to a method and apparatus for the production of titanium alloys and titanium-aluminium inter-metallic compounds and alloys. Starting from a precursor material including titanium subchloride (titanium trichlo...  
WO/2004/105985A1
A method of forming iron-based alloy nanoparticles is disclosed. A solution containing iron salt, noble metal salt and a reducing reagent is heated, resulting in the precipitation of monodispersed nanoparticles such as FePt and FePd. The...  
WO/2004/101836A2
The aim of the invention is to provide an oil pump that is both light and compact. To this end, the inventive oil pump comprises a housing consisting of a material containing aluminium, and mobile moulded parts are arranged in said housi...  
WO/2004/097057A2
A method for forming superdeformable metal alloy preforms that have high strength alloy compositions by selecting metal powders which will define the desired alloy, mixing the selected metal powders, performing either one of cold pressin...  
WO/2004/097057A3
A method for forming superdeformable metal alloy preforms that have high strength alloy compositions by selecting metal powders which will define the desired alloy, mixing the selected metal powders, performing either one of cold pressin...  
WO/2004/094089A1
A powder blend for use in laser sintering and a method for forming tough, strong, wear-resistant, corrosion-resistant infiltrated metal products are provided. The powder blend comprises a steel alloy, a polymeric binder and a high meltin...  
WO2004031427A3
The invention relates to a method for producing a moulded body from sintered steel. According to said method, a sintered powder based on iron is mixed with a master alloy powder containing nickel, boron and iron, and the powder mixture i...  
WO2004042101B1
An improved nickel-chromium-iron alloy is provided, which comprises up to about 5 % of hafnium-containing particles. In one embodiment, an improved creep resistant castable oxide dispersion strengthened nickel-chromium-iron alloy compris...  
WO/2004/081954A1
An R-T-B sintered magnet exhibiting satisfactorily high coercivity while the concentration of B is lowered. This R-T-B sintered magnet has a composition comprising 27.0 to 32.0 mass% of R (R is at least one member selected from among Nd,...  
WO/2004/081249A1
An iron base sintered alloy comprising 0.05 to 3 mass % of calcium carbonate or 0.05 to 3 mass % of strontium carbonate. The iron base sintered alloy exhibits excellent machinability.  
WO/2004/072314A1
A tough cast iron or cast iron billet excelling in workability is provided without enormous thermal energy and prolonged heat treatment. There is further provided a process for efficiently producing the same. In particular, a cast iron c...  

Matches 401 - 450 out of 11,468