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Matches 401 - 450 out of 12,784

Document Document Title
WO/2012/068249A3
Disclosed herein is a sintered composition comprising iron; about 0.05 to about 1 wt% molybdenum; about 3 to about 4.5 wt% silicon; about 0.05 to about 0.5 wt% chromium; about 0.011 to about 0.015 wt% magnesium; all weight percents being...  
WO/2012/068249A2
Disclosed herein is a sintered composition comprising iron; about 0.05 to about 1 wt% molybdenum; about 3 to about 4.5 wt% silicon; about 0.05 to about 0.5 wt% chromium; about 0.011 to about 0.015 wt% magnesium; all weight percents being...  
WO/2012/067353A3
Provided is a method and apparatus for manufacturing ferrochrome. According to the present invention, the method for manufacturing ferrochrome comprises the steps of: heating fine chromium ore; pre-reducing the heated fine chromium ore; ...  
WO/2012/057593A1
The invention relates to the production of ferroalloys, and specifically to methods for producing high-carbon ferrochrome in an ore-reducing electric furnace. The problem to be solved is the involvement in the production process of mater...  
WO/2012/041171A1
Provided is a method for the preparation of a high-performance rare earth-iron-cobalt silicide compound having a NaZn13 structure and belonging to the field of materials processing. Specifically, the invention concerns a powder with a gr...  
WO/2012/041054A1
A production method of grain-oriented silicon steel with high magnetic flux density includes the following steps: 1) smelting and casting, wherein the components of molten steel are: C 0.035-0.065wt%, Si 2.9-4.0wt%, Mn 0.05-0.20wt%, S 0....  
WO/2012/043061A1
[Problem] To provide a production method including efficient supply of RH and diffusion treatment capable of increasing a throughput per process without welding an R-T-B sintered magnet and a holding member. [Solution] A method for produ...  
WO/2012/043692A1
The disclosed diffusion treatment for a heavy rare earth element RH has excellent mass production properties. The sintered magnet manufacturing method involves: a step for preparing an R-T-B sintered magnet; a step for preparing an RH di...  
WO/2012/043139A1
Provided are: an alloy material for an R-T-B system rare earth permanent magnet, which is capable of achieving high orientation rate and high coercivity (Hcj); and a method for producing an R-T-B system rare earth permanent magnet using ...  
WO/2012/036294A1
[Problem] To provide a method for producing an anisotropic rare-earth magnet that can be enhanced in coercive force without adding a large quantity of rare metals such as Dy and Tb. [Solution] A method for producing a rare-earth magnet, ...  
WO/2012/029274A2
There is provided an iron-based mixture powder for sintering, as well as an iron-based sintered alloy using same, that are capable of reducing the cutting resistance of the iron-based sintered alloy and of mitigating the shortening of cu...  
WO/2012/029527A1
The present invention provides an alloy material for an R-T-B-based rare earth permanent magnet capable of high coercivity (Hcj) and a highly productive production method for the R-T-B-based rare earth permanent magnet using same. The pr...  
WO/2012/029274A3
There is provided an iron-based mixture powder for sintering, as well as an iron-based sintered alloy using same, that are capable of reducing the cutting resistance of the iron-based sintered alloy and of mitigating the shortening of cu...  
WO/2012/029738A1
The purpose of the present invention is to provide a sintered magnet enabling both a reduction in the amount of rare-earth elements used in the magnet material and further improvement of magnetic properties. The sintered magnet of the pr...  
WO/2012/027866A1
A multi-layer cored wire is composed of an outer steel strip of an outer layer (1), heat insulating materials of the outer layer (2), an inner steel strip of the outer layer (3), metal powders of the outer layer (4), an outer steel strip...  
WO/2012/026649A1
The present invention relates to preparing ferro molybdenum from molybdenite concentrate, and more particularly, to a method for directly preparing ferro molybdenum having copper content of 0.5% or less from molybdenite with high copper ...  
WO/2012/026725A3
The present invention relates to a method for preparing a ferromolybdenum alloy in a briquette form, wherein the ferromolybdenum alloy is used for adjusting ingredients of a melt in a steelmaking process for manufacturing special steel. ...  
WO/2012/026725A2
The present invention relates to a method for preparing a ferromolybdenum alloy briquette, wherein the ferromolybdenum alloy is used for adjusting ingredients of a melt in a steelmaking process for manufacturing special steel. More parti...  
WO/2012/016649A1
The invention relates to a process for producing components which are made of a dispersion-reinforced iron- or nickel-based alloy. It is an object of the invention to provide possible ways of producing high-temperature-resistant componen...  
WO/2012/014541A1
The present invention addresses the problem of providing a free-cutting stainless-steel cast product which can satisfy all of excellent cuttability, environmental preservation, and corrosion resistance and a process for producing the cas...  
WO/2012/014685A1
Provided are: a process for producing ferronickel from a nickel sulfide material produced by a wet refining of a lateritic nickel ore or a scrap or a work-in-process material or from a mixed sulfide material containing nickel and cobalt....  
WO/2012/010941A8
The invention relates to a watch-making or clock-making component comprising an amorphous metal alloy corresponding to the formula: FeaCobNicNbdVeBfTag, in which: 0 < a < 70; 0 < b < 70; 8 < c < 60; 1 < d < 19; 1 < e < 10; 12 < f < 25; 0...  
WO/2012/010376A1
The invention relates to a method for producing a piston ring for an internal combustion engine, which comprises: providing a substrate; and applying a coating by means of thermal spraying of a powder, that includes solid lubricants, and...  
WO/2012/010941A1
The invention relates to a watch-making or clock-making component comprising an amorphous metal alloy corresponding to the formula: FeaCobNicNbdVeBfTag, in which: 0 < a < 70; 0 < b < 70; 8 < c < 60; 1 < d < 19; 1 < e < 10; 12 < f < 25; 0...  
WO/2012/007550A1
The present invention concerns a filtering medium, a method for the production thereof, the use of said filtering medium and a method for reducing the content of multiple contaminants simultaneously in fluids by means of said filtering m...  
WO/2012/008426A1
A method for producing R-T-B-based sintered magnets includes: a step for preparing R-T-B-based sintered magnet bodies (1); a step for preparing RH diffusion sources that contain a heavy rare earth element (RH) (comprising Dy and/or Tb) a...  
WO/2012/004654A8
Method for the production of an element subject to wear (10), comprising a metal matrix (14) and at least a core (12) of hard material. The method provides a first step in which a temporary aggregation structure (17) is prepared with at ...  
WO/2012/004654A1
Method for the production of an element subject to wear (10), comprising a metal matrix (14) and at least a core (12) of hard material. The method provides a first step in which a temporary aggregation structure (17) is prepared with at ...  
WO/2012/004655A1
Method for the production of an element subject to wear (10), comprising a metal matrix (14) and at least a core (12) of hard material. The method provides a first step in which a temporary aggregation structure (17) is prepared with at ...  
WO/2012/002060A1
Provided is an R-T-B based rare earth permanent magnet wherein a high coercivity (Hcj) can be achieved without increasing the Dy concentration in an R-T-B based alloy and deterioration in magnetization (Br), said deterioration being caus...  
WO/2012/002059A1
Provided is an R-T-B type rare earth permanent magnet which can attain high coercive force (Hcj) without enhancing the Dy concentration of an R-T-B type alloy and in which magnetization (Br) reduction, which is due to the addition of Dy,...  
WO/2011/160483A1
A method for controlling titanium content in ultra-low carbon killed steel. The steel comprises (wt%): C≤0.005%, Si: 0.1-3.4%, Mn: 0.1-0.5%, P≤0.2%, S≤0.002%, Al: 0-1.2%, N≤0.005%, Ti≤0.0015%, trace impurities and balance Fe. T...  
WO/2011/159234A1
Method for determining amounts of inoculant to be added to a cast-iron melt in a specific casting process, comprising the steps of: -providing a first sample holder(1) and a second sample holder(2) each having a thermocouple(3, 4) which ...  
WO/2011/157840A1
A method for manufacturing mechanical components made of spheroidal cast iron, characterized in that it comprises the following steps: - providing a casting of a mechanical cast iron component with a percentage of pearlitic structure gre...  
WO/2011/153573A3
The invention relates to an assembly (1) having at least two metallic components (2, 3) which are subject to sliding stress and each have a sliding surface and in operation slide against one another, wherein at least one of the component...  
WO/2011/146454A1
Iron-based powder metallurgical compositions including both iron-copper prealloy and copper powder are described. These compositions, when compacted and sintered, result in compacts having good dimensional consistency.  
WO/2011/145477A1
Disclosed are: a powder for a magnetic member, which has excellent moldability and is not easily oxidized; a powder compact which is obtained from the powder; and a magnetic member which is suitable as a material for a magnetic body such...  
WO/2011/140823A1
A method for smelting medium carbon steel J55 comprises the following steps: pre-treating molten iron, smelting in a converter, refining in a ladle furnace (LF), continuous casting to obtain slab, cleaning and reheating the slab, rolling...  
WO/2011/142321A1
An NdFeB system sintered-magnet manufacturing apparatus, which fills NdFeB system alloy powder into a mold cavity of a mold with a prescribed packing density, and conducts magnetic field orientation and sintering with the alloy powder fi...  
WO/2011/140417A1
The present invention is directed to improved compaction techniques for use in powder metallurgical applications using lower temperatures and pressures than are traditionally used in the field.  
WO/2011/138422A3
The invention relates to a method for producing powder-metallurgical steel. Said method consists of the following steps: a steel powder, preferably having a predetermined structure, is produced; the steel powder is mixed with a binding a...  
WO/2011/129366A1
Provided are a powder for magnets which gives a rare-earth magnet having excellent magnetic properties and which has excellent compactibility, a process for producing the powder, a powder compact, and a rare-earth/iron/boron alloy materi...  
WO/2011/125588A1
Disclosed are a permanent magnet and a manufacturing method for the permanent magnet in which trace amounts of Dy or Tb can efficiently be segregated to the grain boundaries of a magnet, and which provides sufficient improvement in the m...  
WO/2011/125589A1
Disclosed are a permanent magnet and a manufacturing method for the permanent magnet in which V, Mo, Zr, Ta, Ti, W, or Nb contained in an organometallic compound can be segregated to the grain boundaries of a magnet. An organometallic co...  
WO/2011/125578A1
Disclosed is a method for manufacturing rare-earth based sintered magnet which can eliminate the step of reclaiming a molded defective of rare-earth based sintered magnet resulting from wet molding thereof and which is preferred as a met...  
WO/2011/125583A1
Disclosed are a permanent magnet and a manufacturing method for the permanent magnet in which gaps are not formed between the main phase and the grain-boundary phase of the magnet after sintering, and in which the entire magnet can be de...  
WO/2011/125585A1
Disclosed are a permanent magnet and a manufacturing method for the permanent magnet in which gaps are not formed between the main phase and the grain-boundary phase of the magnet after sintering, and in which the entire magnet can be de...  
WO/2011/125591A1
Disclosed are a permanent magnet and a manufacturing method for the permanent magnet in which the amount of carbon contained in the magnet grains can be pre-reduced before sintering, even when using wet milling. Coarsely pulverized magne...  
WO/2011/125595A1
Disclosed are a permanent magnet and a manufacturing method for the permanent magnet in which the grain growth of magnet grains having a single-domain particle is inhibited during sintering, and in which the magnetic properties are impro...  
WO/2011/125900A1
In order to ensure the strength of a thinned sintered magnet, disclosed is a sintered magnet (1) which is a ferrite sintered magnet formed by sintering a magnetic material. The sintered magnet (1) is manufactured by producing a compact b...  

Matches 401 - 450 out of 12,784