Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 401 - 450 out of 12,484

Document Document Title
WO/2011/007758A1
A process for the production of R-T-B based sintered magnets which comprises: a step of preparing R-T-B based sintered magnet bodies (1); a step of preparing heavy rare earth element (RH) diffusion sources (2) that consist of a metallic ...  
WO/2011/007578A1
Provided is a method for producing alloy ingots involving: a step in which alloy starting materials are introduced into the cold crucible of a cold crucible-type induction melting device and a molten pool is formed from the alloy startin...  
WO/2011/004867A1
An R-Fe-B-based rare earth sintered magnet (1) is provided, which comprises, as the main phase, R2Fe14B-type compound crystals that contain a light rare earth element RL (at least one element selected from Nd and Pr) as the main rare ear...  
WO/2010/149377A1
A manganese steel having a low tendency toward hydrogen embrittlement has a chemical composition, indicated by weight, of 0.01% < C < 0.40%, 10.0% < Mn < 23.0%, 0.0% < Si < 5.0%, and 0.0% < Al < 4.0%, the remainder being iron, including ...  
WO/2010/148639A1
A powder metallurgical material meets the content range of 316 stainless steel and further contains 5 to 9 wt.% Fe3P. The production method and the application of the powder metallurgical material are also disclosed. The powder metallurg...  
WO/2010/134886A1
A water-atomised iron-based steel powder which comprises by weight-%: 0.45-1.50 Ni,0.30-0.55 Mo,less than 0.3 Mn,less than 0.2 Cu,less than 0.1 C, less than 0.25 O, less than 0.5 of unavoidable impurities,and the balance being iron, and ...  
WO/2010/128273A1
A treatment ladle comprising a ladle shell containing a generally tubular refractory ladle liner, said ladle being pivotable between a horizontal position and a vertical position, said ladle liner having a first end and a second end with...  
WO/2010/113482A1
A nanocomposite bulk magnet which is constituted of bonded powder particles of a nanocomposite magnet comprising an Nd2Fe14B-form crystal phase and an α-Fe phase and is represented by the empirical formula T100-x-y-z-n(B1-qCq)xRyTizMn. ...  
WO/2010/113371A1
Disclosed is a process for producing an R-T-B-type [wherein R represents at least one metal selected from Nd, Pr, Dy and Tb and essentially contains 4 to 10% by mass of Dy or Tb, T represents a metal essentially composed of Fe and B repr...  
WO/2010/113465A1
An alloy from which a sintered R-T-B-M magnet, wherein a Dy-rich R2T14B is present in the outer shell of the main phase of crystal grains over the entire sintered magnet, can be produced. In this alloy, an area having a high concentratio...  
WO/2010/107372A1
A water atomised prealloyed chromium-free, iron-based steel powder which comprises by weight-%: 0.05–0.4 V, 0.09–0.3Mn, less than 0.1 Cr, 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 t...  
WO/2010/106964A1
Disclosed is a rare earth permanent magnet wherein HfC particles having an average particle diameter of 5-100 nm are dispersed in an amount of 0.2-3.0 atom% in an R-Fe-B alloy (R represents a rare earth element). By containing the carbid...  
WO/2010/103641A1
A process for the production of a semisolidified iron-base alloy slurry consisting of both a crystallized solid phase and a remaining liquid phase. The process comprises using a material having a hypoeutectic cast iron composition, addin...  
WO/2010/105007A3
Methods of forming scroll compressor components are provided. The methods include forming at least one component of a scroll member from a powder metallurgy technique and joining the component with another distinct component via a sinter...  
WO/2010/105007A2
Methods of forming scroll compressor components are provided. The methods include forming at least one component of a scroll member from a powder metallurgy technique and joining the component with another distinct component via a sinter...  
WO/2010/096003A1
The invention relates to a method for injection moulding or extrusion of cemented carbide or cermet parts with a solids loading of φ= 0.54- 0.56, using a binder system, comprising 30-60 wt-% olefinic polymers, 40-70 wt-% waxes. The bind...  
WO/2010/092234A1
The invention relates to a method for producing a ferroalloy containing nickel. From a fine-grained raw material containing iron and chromium and a fine- grained raw material containing nickel, a mixture is formed with binding agent, the...  
WO/2010/082492A1
Disclosed is a method for producing an R-T-B sintered magnet, which comprises: a step of preparing an R-T-B alloy powder (A) and another R-T-B alloy powder (B); a step of mixing the R-T-B alloy powder (A) and the R-T-B alloy powder (B); ...  
WO/2010/074634A1
The present invention relates to a method of producing a diffusion alloyed powder consisting of an iron or iron-based core powder having particles of an alloying powder containing Cu and Ni bonded to the surface of the core particles, co...  
WO/2010/073590A1
Disclosed is a composite soft magnetic material which is characterized by being obtained by mixing, compacting and firing an iron powder, which has been subjected to an insulating treatment, a Sendust alloy powder and a binder. The comp...  
WO/2010/073533A1
Disclosed is an alloy material for R-T-B system rare earth permanent magnets, which contains an R-T-B system alloy containing R, T and B, and a high melting-point compound having a melting point of not less than 1,080˚C. (In this conne...  
WO/2010/074627A1
The present invention concerns an iron-based powder composition comprising, in addition to an iron-based powder, a minor amount of a machinability improving additive, said additive comprising at least one silicate from the group of phyll...  
WO/2010/069020A3
The composition comprises the iron as the main particulate metallic material; at least one particulate alloy element, with the function of hardening the ferrous structural matrix; and a precursor non-metallic particulate compound, genera...  
WO/2010/069020A8
The composition comprises the iron as the main particulate metallic material; at least one particulate alloy element, with the function of hardening the ferrous structural matrix; and a precursor non-metallic particulate compound, genera...  
WO/2010/070065A1
An iron-carbon master alloy is described, with a C content of 0.3 to 8 wt % and an upper limit of alloying metals Ni < 10 wt %, P < 4 wt %, Cr < 5 wt %, preferably < 1 wt %, Mn < 5 wt %, preferably < 1 wt %, Mo < 3 wt %, W < 3 wt %, Cu <...  
WO/2010/069020A2
The composition comprises the iron as the main particulate metallic material; at least one particulate alloy element, with the function of hardening the ferrous structural matrix; and a precursor non-metallic particulate compound, genera...  
WO/2010/053154A1
Disclosed is a method for manufacturing an iron-based sintered alloy characterized by being equipped with a molding step wherein a starting material powder of a mixture of an Fe-based powder and a reinforcing powder is compression molded...  
WO/2010/052862A1
A method for easily producing a rare earth sintered magnet, which has a void such as a slit for reducing the influence of eddy current and/or diffusing grain boundaries, at low cost. The method for producing a rare earth sintered magnet...  
WO/2010/044740A1
A steel material has the following composition in weight-%: C C+N Si Mn Cr Mo V min 0,05 0,05 0,01 0,01 0,01 0,01 0,01 max 5 8 4 15 40 15 20 and possibly one or more of the following accessory alloying elements : Ni W Nb Co Ti Zr Cu Al S...  
WO/2010/035853A1
A process for production of a sintered compact by powder metallurgy, by which a high-strength sintered compact can be produced at a low cost in spite of using an Ni- or Cu-free alloy steel powder for powder metallurgy. The process compr...  
WO/2010/028470A8
The metallurgical composition comprises a main particulate metallic material, for example iron or nickel, and at least one alloy element for hardening the main metallic material, which form a structural matrix (10); a particulate solid l...  
WO/2010/029505A2
A small diameter, elongated steel article, comprising fully consolidated, prealloyed Pb-free metal powder having a superior machinability is disclosed. The consolidated metal powder has a microstructure that has substantially uniform dis...  
WO/2010/028470A3
The metallurgical composition comprises a main particulate metallic material, for example iron or nickel, and at least one alloy element for hardening the main metallic material, which form a structural matrix (10); a particulate solid l...  
WO/2010/030880A3
A small diameter, elongated steel article, comprising fully consolidated, prealloyed metal powder is disclosed. The consolidated metal powder has a microstructure that has a substantially uniform distribution of fine grains having a grai...  
WO/2010/029505A3
A small diameter, elongated steel article, comprising fully consolidated, prealloyed Pb-free metal powder having a superior machinability is disclosed. The consolidated metal powder has a microstructure that has substantially uniform dis...  
WO/2010/027504A1
Methods are disclosed to enable the production of cost-effective, machinable, high thermal conductivity metal/diamond metal matrix composite compound structures. The use of compound pre-forms made from porous machinable carbonaceous mate...  
WO/2010/022473A1
A method for producing a ferro-alloy, such as steel, in an electric arc furnace or other suitable metallurgical furnace is disclosed. The method comprises supplying a mixture of (a) a carbon-containing polymer that is capable of acting a...  
WO/2010/020144A1
An Fe-Ga-Al based magnetostrictive thin-sheet material is composed of raw material with formula Fe100-x-y-zGaxAlyMz, where in x=10-30, y=1-10, and z=0.1-5 and M is at least one or more elements selected from V, Cr, Zr, Sb, Sn, Ti and SiC...  
WO/2010/016014A1
The chemical composition of the ferritic stainless steel of the invention, expressed in percent by mass, is as follows: C < 0.015; Si < 1.0; Mn < 1.0; P < 0.05; S < 0.005; Cr 20-25; N < 0.015; Ni < 0.5; Cu < 0.5; Mo < 0.5; Al < 0.05; Ti ...  
WO/2010/001878A2
Provided is an R-Fe-B based sintered magnet having on the surface thereof a conversion film that has superior corrosion resistance to conventional conversion films such as a phosphate film, and a method for producing such an R-Fe-B based...  
WO/2010/001878A3
Provided is an R-Fe-B based sintered magnet having on the surface thereof a conversion film that has superior corrosion resistance to conventional conversion films such as a phosphate film, and a method for producing such an R-Fe-B based...  
WO/2009/155655A1
A method of manufacturing a wear resistant metal component having an outer shell and an inner body has a number of steps. Constituents of a wear-resistant metal alloy are placed within a steel outer shell. The shell is then heated to a p...  
WO/2009/154052A1
A sintered metal bearing, which can exhibit excellent sliding characteristics even in an oil-less environment, is produced at low cost. A mixed powder (6) obtained by mixing an Mn powder (2) and an S powder (3) into an Fe-based metal pow...  
WO/2009/150843A1
Disclosed is an R-T-Cu-Mn-B type sintered magnet comprising the following components: R: 12.0 to 15.0 at.% (inclusive) [wherein R represents a rare earth element including Y, provided that Pr and/or Nd makes up 50 at.% or more of the tot...  
WO/2009/148402A1
The present invention concerns a pre-alloyed iron based powder. Particularly the invention concerns a pre-alloyed iron-based powder including small amounts of alloying elements which permits a cost efficient manufacture of sintered parts...  
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-%...  

Matches 401 - 450 out of 12,484