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Matches 401 - 450 out of 12,191

Document Document Title
WO/2009/145672A1
The invention relates to ferrous metallurgy. The inventive duplex furnace for making ferroalloys comprises a first chamber (1) for melting a charge and reducing oxides, which chamber is provided with a gas exhaust opening (5), a lower (2...  
WO/2009/127665A1
The present invention is related to process for producing an amorphous Fe-based bulk metallic glass product, formed of an alloy having a chemical formula of Fe100-a-b-c-d-x-y MaNbbSicBdIxJy wherein : • M is Co and/or Ni, • I is one o...  
WO/2009/122985A1
Disclosed is a valve sheet product possessing excellent mechanical strength and machinability. In the valve sheet product, the amount of hard particles added for an improvement in abrasion resistance of a valve sheet for an internal comb...  
WO/2009/122709A1
Disclosed is an R-T-B-type sintered magnet which has the following chemical composition: R: 27.3 to 29.5 mass% (inclusive), B: 0.92 to 1 mass% (inclusive), Cu: 0.05 to 0.3 mass% (inclusive) and M: 0.02 to 0.5 mass% (inclusive), with the ...  
WO/2009/115647A1
The present invention relates to refiner or disperser blade made of a steel alloy by casting.The alloy comprises of, in weight percent: 0.6 to 4 wt-% carbon (C), 0.5 to 1.5 wt-% silicon (Si), 0.4 to 1.5 wt-% manganese (Mn), 12 to 28 wt-%...  
WO/2009/116931A1
Iron-chromium based brazing filler metal This invention relates to a brazing filler metal with excellent wetting behaviour on stainless steel base material. The brazing filler metal produces a brazed joint with high strength and good cor...  
WO/2009/108981A1
The invention relates to a method for producing a sintered, iron-based workpiece, wherein a formation is pressed from a sinter powder and sintered into a blank, before the blank is consolidated in the region of a surface layer. In order ...  
WO/2009/107397A1
A process for producing an R-Fe-B rare-earth sintered magnet containing at least one lightweight rare-earth element (RL) (at least one of Nd and Pr) and at least one heavy rare-earth element (RH) (at least one of Dy and Tb). An R-Fe-B ra...  
WO/2009/104632A1
In an example of a conventional method, the regeneration of sintered magnets is achieved by means of a number of processes involving solvent extraction etc. As a result, productivity is poor and, since a number of solvents such as hydrof...  
WO/2009/085000A1
A water atomised prealloyed iron-based steel powder which comprises by weight-%: 0.2-1.5 Cr, 0.05-0.4 V, 0.09 -0.6 Mn, less than 0.1 Mo, less than 0.1 Ni, less than 0.2 Cu, less than 0.1 C, less than 0.25 O, less than 0.5 of unavoidable ...  
WO/2009/085001A1
A water atomised prealloyed iron-based steel powder which comprises by weight-%: 0.4-2.0 Cr, 0.1-0.8 Mn, less than 0.1 V, less than 0.1 Mo, less than 0.1 Ni, less than 0.2 Cu, less than 0.1 C, less than 0.25 O, less than 0.5 of unavoidab...  
WO/2009/081978A1
Provided is a method for manufacturing a permanent magnet having an extremely high orientation by combining the crystal fractures of material powder having a more equal crystal azimuth relation in a magnetic field. In the method, a mater...  
WO/2009/076923A3
The invention relates to a method for producing a steel melt containing up to 30% of Mn, which additionally may comprise up to 5% Si, up to 1.5% C, up to 22% AI, up to 25% Cr, up to 30% Ni, and up to 5% each of Ti, V, NB, Cu, Sn, Zr, Mo,...  
WO/2009/076923A2
The invention relates to a method for producing a steel melt containing up to 30% of Mn, which additionally may comprise up to 5% Si, up to 1.5% C, up to 22% AI, up to 25% Cr, up to 30% Ni, and up to 5% each of Ti, V, NB, Cu, Sn, Zr, Mo,...  
WO/2009/053044A1
In order to allow a substantial reduction in steel production costs in the production of stainless steel using the alloy elements chromium and nickel, the invention proposes that the required intermediate production of ferrochrome and fe...  
WO/2009/040369A1
The present invention relates to an annealed pre-alloyed water atomised iron-based powder suitable for the production of pressed and sintered components having high wear resistance. The iron-based powder comprises 10- below 18% by weight...  
WO/2009/041338A1
A system (1) for producing an alloy which can produce a rare earth magnet having high coercive force comprises a unit (2) for casting alloy molten by split cast method, a shredder (21) for shredding cast alloy, a unit (3) for heat insula...  
WO/2009/036112A1
An earth boring bit comprising, a bit body, a cantilevered bearing shaft depending from the bit body, a cutter mounted for rotation on the bearing shaft, a plurality of cutting elements disposed on the cutter, and hardfacing affixed to t...  
WO/2009/030290A1
The invention describes a method of producing a sinter-hardened component from a metallic powder containing chromium which is pre-alloyed in particular, comprising the steps of compacting the powder to form a green compact and then sinte...  
WO/2009/030291A1
The invention describes a method of producing a sinter-hardenable powder metal part from a sinter powder containing chromium, comprising the steps of preparing the sinter powder, compacting the sinter powder to form a green compact, pre-...  
WO/2009/024809A1
A valve seat is made by compacting a powder mixture, sintering the green compact formed thereby infiltrating same with copper or copper alloy and subjecting the resulting sintered valve seat to a cryogenic treatment followed by a heat or...  
WO/2009/019952A1
An iron-based mixed powder for powder metallurgy which comprises an iron-based powder, a graphite powder, a copper powder, and a composite oxide, wherein the composite oxide has a viscosity as measured at 800°C of 105 (poises) or lower ...  
WO/2009/016840A1
Disclosed is a multi-layered sintered slide member comprising a back metal and a porous sintered layer that is diffusion-bonded to the back metal integrally, wherein the porous sintered layer comprises 3 to 10 wt% of an Sn component, 10 ...  
WO/2009/010445A2
The invention relates to a powder metallurgical combination comprising: - an iron-based powder A comprising core particles of iron to which core particles nickel is diffusion alloyed and wherein said nickel diffusion alloyed to said core...  
WO/2009/010445A3
The invention relates to a powder metallurgical combination comprising: - an iron-based powder A comprising core particles of iron to which core particles nickel is diffusion alloyed and wherein said nickel diffusion alloyed to said core...  
WO/2009/004994A1
Disclosed is a rare earth magnet having excellent Br and HcJ. Specifically disclosed is a rare earth magnet which is mainly composed of R [wherein R represents at least one element selected from rare earth elements including Y], B, Al, C...  
WO/2009/004090A1
The present invention relates to a process for casting cast parts G from a vermicular or spheroidal graphite-forming iron casting melt, in which process the iron casting melt is poured into a casting mould 1, which comprises at least one...  
WO/2009/001841A1
Disclosed is a flaky graphite cast iron which does not particularly need the use of any misch metal or the like, has excellent wear resistance and processability, and is suitable for an engine part for an internal combustion engine or th...  
WO/2009/003112A1
An age hardenable, martensitic steel alloy that provides high strength, high toughness, and good low cycle fatigue life and a method of making same are disclosed. The alloy comprises a matrix having a weight percent composition consistin...  
WO/2008/157340A3
A powder metal component (34) has an outer diameter that is inserted in a bore of another component (18) during assembly with an interference fit between the two components. Ribs (30) are formed on the outer diameter of the component (34...  
WO/2008/157340A2
A powder metal component (34) has an outer diameter that is inserted in a bore of another component (18) during assembly with an interference fit between the two components. Ribs (30) are formed on the outer diameter of the component (34...  
WO/2008/153499A1
A water-atomized iron-based powder pre-alloyed with 0.75-1.1 % by weight of Ni, 0.75-1.1 % by weight of Mo and up to 0.45 % by weight of Mn and further including 0.5-3.0%, preferably 0.5-2.5% and most preferably 0.5-2.0% by weight of Cu ...  
WO/2008/143091A1
Disclosed is a sintered soft magnetic powder molded body having a composition containing Fe, 44-50% by mass of Ni and 2-6% by mass of Si or a composition containing Fe and 2-6% by mass of Si. In this sintered soft magnetic powder molded ...  
WO/2008/139690A1
The invention aims at providing a process for the production of NdFeB sintered magnets which can bring about higher coercive force improving effect and smaller scattering of the effect and which enables the production of the magnets at a...  
WO/2008/134822A1
A method for producing a ferro-alloy in an electric arc furnace is disclosed. The method comprises the steps of removing steel from a carbon-containing organic material, and charging the furnace with the carbon-containing organic materia...  
WO/2008/136277A1
A process for the production of ferromolybdenum which comprises the mixing step (S1) of mixing together a molybdenum disulfide containing waste lubricant as molybdenum source, an iron oxide containing substance as iron source, a carbonac...  
WO/2008/124243A1
A shaped article product is made by sintering a mass of metal powder formed from a low temperature carburized iron-, nickel- or cobalt-based alloy, or a mixture of such alloys, wherein the metal powder being sintered exhibits an altered ...  
WO/2008/120784A1
A process for magnet production by which a magnet not only having sufficient values of Br and HcJ but having a sufficiently high squareness ratio can be obtained. The process for magnet production is characterized by comprising a first s...  
WO/2008/114571A1
An R-T-B base alloy useful as raw material for rare earth permanent magnet (wherein R is at least one member selected from among Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Ho, Er, Tm, Yb and Lu; T is a transition metal containing Fe in a...  
WO/2008/096621A1
Disclosed is an R-T-B alloy which can be a raw material for a rare earth permanent magnet having excellent magnetic characteristics. Specifically disclosed is an R-T-B alloy containing at least Dy (wherein R represents at least one of Sc...  
WO/2008/091210A1
The invention relates to a diffusion alloyed iron powder wherein tungsten W is bonded to the surfaces of the particles of an iron or iron-based powder, the diffusion alloyed iron powder comprises by weight-%: 30-60 W, balance essentially...  
WO/2008/086088A3
Infiltration compositions comprising chromium and at least about 80% copper. The infiltration compositions may further comprise iron, zinc, manganese, antimony and/or lubricants. Also, methods for infiltrating powder metal parts comprisi...  
WO/2008/082353A1
The present invention relates to a powder for the powder metallurgical manufacture of components. Particularly the invention concerns an iron or iron based powder intended for the powder metallurgical manufacturing of components. It is e...  
WO/2008/069696A2
The invention relates to metallurgy, in particular to a method for wastelessly producing vanadium-alloyed carbon-free iron and high titanium-containing master alloys and to producing molten clinker suitable for producing high-alumina cem...  
WO/2008/069696A3
The invention relates to metallurgy, in particular to a method for wastelessly producing vanadium-alloyed carbon-free iron and high titanium-containing master alloys and to producing molten clinker suitable for producing high-alumina cem...  
WO/2008/068810A1
A process for recovering valuable metals, namely, at least one element (M) selected from the group consisting of Mo, Ni and Co and V from waste containing the valuable metals in the form of iron ally, which comprises the step (a) of roas...  
WO/2008/049069A3
The present disclosure relates to an iron alloy sheet comprising α -Fe, and/or y-Fe phases wherein the alloy has a melting point in the range of 800 to 1500° C, a critical cooling rate of less than 105 K/s and structural units in the r...  
WO/2008/040885A2
Prealloyed metal powder, especially for the manufacture of cutting tools by sintering, characterized in that its composition, in percentages by weight, is: 48 - 52% Fe; 14 - 19% Co; 32 - 37% Cu; ≤ 1 % O, the balance being impurities re...  
WO/2008/040885A3
Prealloyed metal powder, especially for the manufacture of cutting tools by sintering, characterized in that its composition, in percentages by weight, is: 48 - 52% Fe; 14 - 19% Co; 32 - 37% Cu; ≤ 1 % O, the balance being impurities re...  
WO/2008/036026A1
The present invention relates to a wear resistant iron-based powder, suitable for the production of pressed and sintered components, comprising 10-20% by weight of Cr, 0.5-5% by weight of Mo and 1-2% by weight of C. The powder is charact...  

Matches 401 - 450 out of 12,191