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Patent Searching and Data


Matches 401 - 450 out of 11,843

Document Document Title
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...  
WO/2008/034614A1
The present invention relates to an annealed prealloyed water atomised iron-based powder suitable for the production of pressed and sintered components having high wear resistance. The iron-based powder comprises 15-30% by weight of Cr, ...  
WO/2008/033084A1
A steel alloy suitable for holders and holder details for plastic moulding tools contains in weight-%: 0.08 - 0.19 C, 0.05 - 0.20 N, wherein the total amount of C + N shall satisfy the condition, 0.16 ≤ C + N ≤ 0.28, 0.1 - 1.5 Si, 0....  
WO/2008/017848A1
A powder metallurgy mixture having of a composition (excepting incidental impurities) of between 55-90% iron-based matrix powder , and between 45-10% hard phase powder, characterised in that the 45-10% of the hard phase has a composition...  
WO/2008/013581A2
A powder mixture alloy is provided for manufacturing surface densified high carbon sintered steel articles containing iron or iron pre-alloyed powder, which has been preliminary mixed with at least 0.4 wt% graphite, lubricant and optiona...  
WO/2008/013581A3
A powder mixture alloy is provided for manufacturing surface densified high carbon sintered steel articles containing iron or iron pre-alloyed powder, which has been preliminary mixed with at least 0.4 wt% graphite, lubricant and optiona...  
WO/2008/010767A1
An atomised pre-alloyed iron-based powder which comprises by weight-% 10,5-30 Cr 3-15 Al 5-20 Cu max 0,1 C max 0,2 N max 3.0 Mn max 2.5 Si max 3.0 Mo balance essentially only iron and unavoidable impurities.  
WO/2008/006800A1
The invention relates to mixtures of metal powder, alloy powder, or composite powder having an average particle diameter D50 of no more that 75, preferably a maximum of 25 μm, that are produced according to said method. According to sai...  
WO/2008/004585A1
A member produced by powder forging which retains machinability and improved fatigue strength without having an increased hardness and can retain self conformability after fracture splitting; a powder mixture for powder forging; a proces...  
WO/2007/139393A1
The present invention concerns a new type of grain refiners for steel, in the form of a particulate composite material, containing a high volume fraction of tailor-made dispersed particles, with the purpose of acting as potent heterogene...  
WO/2007/136130A1
Disclosed is a piston for internal-combustion engines, which includes a low thermal-conductive member disposed at the top portion thereof, the low thermal-conductive member including an alloy containing Fe and Mn. The low thermal-conduct...  
WO/2007/119551A1
Disclosed is a method for producing a rare earth permanent magnet material which is characterized in that a sintered magnet body and a mixed powder are subjected to a heat treatment in vacuum or in an inert gas at a temperature not highe...  
WO/2007/120110A1
11905 22 ABSTRACT The invention relates to a cold-working steel having the following chemical composition in % by weight: 1.3 - 2.4 (C+N), whereof at least 0.5 C, 0.1 - 1.5 Si, 5 0.1 - 1.5 Mn, 4.0 - 5.5 Cr, 1.5 - 3.6 (Mo+W/2), but max 0....  
WO/2007/119553A1
A process for producing a rare-earth permanent magnet material which comprises: repeatedly subjecting a sintered magnetic object having the composition R1 aTbAcMd (wherein R1 is any of the rare earth elements including Sc and Y; T is Fe ...  
WO/2007/105429A1
An iron-base mixed powder for powder metallurgy which comprises an iron-base powder and at least one member selected from between talc and steatite and preferably further contains a metal soap.This mixed powder does not produce adverse e...  
WO/2007/095658A3
The invention relates to a porous body with a density of 40 to 70%, made from an iron alloy, with 0.01 to 2 wt. % of mixed oxide made up of at least one oxide compound of one or metals from the group Y, Sc, or rare earth metals and at le...  
WO/2007/095957A1
The powder consists of at 75% by weight of a base material in the form of a powdered high speed steel (HSS). The powder further comprises up 5 to 25% by weight of an added material in the form of a powder and comprising at least 55% by w...  
WO/2007/095658A2
The invention relates to a porous body with a density of 40 to 70%, made from an iron alloy, with 0.01 to 2 wt. % of mixed oxide made up of at least one oxide compound of one or metals from the group Y, Sc, or rare earth metals and at le...  
WO/2007/079980A2
A bimetallic doctor blade (1) has a support strip (20) made of conventionally produced steel and a working edge (10) made of a steel produced by a powder metallurgical process. Also disclosed is a method for producing this type of bimeta...  
WO/2007/079980A3
A bimetallic doctor blade (1) has a support strip (20) made of conventionally produced steel and a working edge (10) made of a steel produced by a powder metallurgical process. Also disclosed is a method for producing this type of bimeta...  
WO/2007/078228A1
The present invention concerns an iron-based powder metallurgical composition comprising an iron or iron- based powder and a particulate composite lubricant, said composite lubricant comprising particles having a core comprising a solid ...  
WO/2007/078232A1
The present invention relates to a metallurgical composition for making compacted parts, comprising: (a) at least about 80 percent by weight of an iron or iron-based powder; (b) up to about 20 percent by weight of at least one alloying p...  
WO/2007/073280A1
A process for production of compacted graphite iron using in-mould addition of a magnesium alloy is disclosed. The process is characterised by a step of pre-treating the base iron in a ladle or in a furnace with an alloy containing ceriu...  
WO/2007/067309A1
Multimodal cermet compositions comprise a multimodal grit distribution of the ceramic phase. The compositions include a) a ceramic phase and b) a metal binder phase, wherein the ceramic phase is a metal boride with a multimodal distribut...  
WO2007021243A9
A steel that has been manufactured powder metallurgically and that is characterised by having a chemical composition containing, in % by weight, 1.1-2.3 C+N, 0.1-2.0 Si, 0.1-3.0 Mn, max 20 Cr, 5-20 (Mo+W/2), 0-20 Co, where the total cont...  
WO/2007/065651A1
The aim of the invention is to be able to produce directly cast GGV and GGG melts in a single-stage process, simultaneously determine the physical and mechanical parameters such as the strength index and the pipe index by means of a ther...  
WO/2007/062680A1
The invention relates to a method and a foundry for producing high-manganese, low-carbon steel (1), using liquid pig iron (2) or liquid carbon steel (3a) and slag-forming constituents (4). The aim of the invention is to avoid the problem...  
WO/2007/063969A1
Disclosed is a rare earth sintered magnet having a main phase composed of an Nd2Fe14B crystal phase and added with Al. The rare earth sintered magnet contains at least one light rare earth element LR selected from the group consisting of...  
WO/2007/057533A1
A multi-metal powder, in particular for producing diamond tools comprises iron copper, cobalt and molybdenum whose contents are expressed in the following mass percentages: Fe + Cu + Co + Mo = 98 mass %, the rest being oxygen and product...  
WO2007021243B1
A steel that has been manufactured powder metallurgically and that is characterised by having a chemical composition containing, in % by weight, 1.1-2.3 C+N, 0.1-2.0 Si, 0.1-3.0 Mn, max 20 Cr, 5-20 (Mo+W/2), 0-20 Co, where the total cont...  
WO/2007/030256A1
A fully dense, powder-metallurgy produced maraging steel alloy article of prealloyed powder for use as a tool for high temperature applications. The article in the as-produced condition having a hardness less than 40 HRC to provide machi...  
WO/2007/030079A1
The present invention relates to a high speed steel with a chemical composition that comprises, in % by weight: 0.6- 2.1 C 3-5 Cr 4-14 Mo max 5 W max 15 Co 0.5-4 V, balance Fe and impurities from the manufacturing of the material, which ...  
WO/2007/027724A2
Maraging steel compositions, methods of forming the same, and articles formed therefrom comprising, by weight, 15.0 to 20.0% Ni, 2.0 to 6.0% Mo, 3.0 to 8.0% Ti, up to 0.5% Al, the balance Fe and residual impurities. The composition may b...  
WO/2007/027724A3
Maraging steel compositions, methods of forming the same, and articles formed therefrom comprising, by weight, 15.0 to 20.0% Ni, 2.0 to 6.0% Mo, 3.0 to 8.0% Ti, up to 0.5% Al, the balance Fe and residual impurities. The composition may b...  
WO/2007/024192A1
The invention relates to a powder metallurgically manufactured steel with a chemical composition containing, in % by weight: 0.01-2 C, 0.6-10 N, 0.01-3.0 Si, 0.01-10.0 Mn, 16-30 Cr, 0.01-5 Ni, 0.01-5.0 (Mo + W/2), 0.01-9 Co, max. 0.5 S a...  
WO/2007/021243A1
A steel that has been manufactured powder metallurgically and that is characterised by having a chemical composition containing, in % by weight, 1.1-2.3 C+N, 0.1-2.0 Si, 0.1-3.0 Mn, max 20 Cr, 5-20 (Mo+W/2), 0-20 Co, where the total cont...  
WO/2007/017350A1
A process for producing vermicular graphite cast makes it possible to reliably produce cast iron with vermicular graphite with high operational safety and at a low cost. For that purpose, an Mg treatment alloy composed of magnesium and a...  
WO/2007/014516A1
A modified steel and its manufacture process. The modified steel comprises 2.5~3.0% C, 0.8~1.2% Si, 0.7~1.5% Mn, ≤0.03% S, ≤0.03% P, and balance Fe. The process is as follows: compounding the ingredients, melting, modifying using mod...  
WO/2007/010860A1
A rare earth sintered magnet which comprises 12.0 atomic % to 15.0 atomic % of a rare earth element (which is at least one element selected from the group consisting of Nd, Pr, Gd, Tb, Dy and Ho and contains Nd and/or Pr in an amount of ...  
WO/2007/001648A2
Provided are corrosion resistant metallurgical powder compositions, corrosion resistant compacted articles prepared from metallurgical powder compositions, and methods of preparing the same. Corrosion resistant metallurgical powder compo...  
WO/2007/001648A3
Provided are corrosion resistant metallurgical powder compositions, corrosion resistant compacted articles prepared from metallurgical powder compositions, and methods of preparing the same. Corrosion resistant metallurgical powder compo...  
WO2005118902A3
A nano-orysalline steel and a method of making a nano-crystalline steel sheet are provided. The nano-crystalline steel sheet may be produced by supplying a liquid metallic glass forming alloy (18) to counter-rotating casting rolls (12, 1...  
WO/2006/117186A3
The invention relates to a wear-resistant material comprising an alloy that contains: 1.5 to 5.5 wt. % of carbon; 0.1 to 2.0 wt. % of silicon; a maximum of 2.0 wt. % of manganese; 3.5 to 30.0 wt. % of chromium; 0.3 to 10 wt. % of molybde...  
WO/2006/117186A2
The invention relates to a wear-resistant material comprising an alloy that contains: 1.5 to 5.5 wt. % of carbon; 0.1 to 2.0 wt. % of silicon; a maximum of 2.0 wt. % of manganese; 3.5 to 30.0 wt. % of chromium; 0.3 to 10 wt. % of molybde...  

Matches 401 - 450 out of 11,843