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Patent Searching and Data


Matches 501 - 550 out of 11,374

Document Document Title
WO/2001/079575A1
The invention concerns a nitrogen alloyed steel with higher wear resistance, which is produced by means of spray compacting and has the following composition (in mass/percentage): C: 0.8 2.5 %; N: 0.03 0.75 %; Si: 0.15 1.8 %; Mn: $m(F) 1...  
WO/2001/079573A1
A pressureless sintering process for producing FeAl wherein the heating rate is controlled in a manner which minimizes expansion of a mixture of elemental powders of iron and aluminum. During the process, the heating rate is maintained b...  
WO/2001/072455A1
A high velocity oxygen fuel thermal spray powder comprising a superalloy having the formula MCrAlY-X, wherein M is at least one metal taken from the group consisting of nickel, cobalt, and iron; X is at least one reactive element taken f...  
WO/2001/072457A1
A lubricant for die lubrication, characterized in that it is a mixed powder of two or more lubricants having a melting point higher than a predetermined temperature of pressing; and a method for producing a high density product of formin...  
WO/2001/067182A1
The invention concerns a process permitting the preparation of a new powder, which as such or further processed is useful within a wide variety of different fields and which has magnetic and electric properties. The powder includes at le...  
WO/2001/066809A1
A metal having a high chromium content, characterized in that it is produced in an arc melting furnace and contains Cr in an amount of 85 % or more and has an Al content of 0.005 % or less, an Si content of 0.1 % or less and an S content...  
WO/2001/057279A1
The invention relates to agglomerates containing iron and at least one other element from groups 5 or 6 of the periodic table, in particular, molybdenum or tungsten. The invention is characterised in that said agglomerates have a porosit...  
WO/2001/055458A1
Processes for producing gray cast iron and the resulting gray cast iron exhibiting consistently good surface finish with prolonged tool life during finish machining with cubic boron nitride and silicon nitride cutting tools at high cutti...  
WO/2001/053022A1
The invention relates to a method for producing rust-resistant, angular shot-blasting abrasives (>60HRC) based on a Fe-Cr-C alloy. According to said method, a granulate consisting of an iron-chrome-carbon alloy is tempered to >60 HRC by ...  
WO/2001/053545A1
The invention relates to foundry practice and metallurgy, in particular to inoculated cast iron technology and can be used for producing various casts. The inventive method consists in: melting batch in a melting facility, a preliminary ...  
WO/2001/051774A2
A method of attaching and adjusting first and second members includes providing a first member having an outer surface and a second member. The second member is affixed to the outer surface of the first member at a desired axial position...  
WO/2001/049441A1
A method of producing an FeCrAl material by gas atomisation, wherein in addition to containing iron (Fe), chromium (Cr) and aluminium (Al) the material also contains minor fractions of one or more of the materials molybdenum (Mo), hafniu...  
WO/2001/049436A2
The invention relates to a powder metallurgy press-sinter shaped part, more particularly a valve or valve part, exhibiting thermal and wear resistance and having the following composition by weight: 0.5 % to 2.0 % C; 5.0 % to 16 % Mo; 0....  
WO/2001/049437A2
The invention concerns a powder metallurgy produced sinter shaped part exhibiting high thermal and wear resistance. Said part can be obtained from a powder mixture containing molybdenum-phosphorus-carbon-steel powder, at least one additi...  
WO/2001/049891A1
The invention concerns a method of getting shaped elements by pressing, sintering and cold-compacting of powder mixtures of steel with alloy additions, being used for production of machine parts, e.g. gears, bearings and others of high s...  
WO/2001/049979A2
The invention relates to a powder metallurgy produced valve body exhibiting high thermal and wear resistance and having the following composition by weight: 0.5 % to 2.0 % C; 5.0 % to 16 % Mo; 0.2 % to 1.0 % P; 0.1 % to 1.4 % Mn; 0 % to ...  
WO/2001/049439A1
An iron-base powder mixture containing an iron-base powder, a lubricant having been fused and adhered to the iron-base powder, a powder for an alloy adhered to the iron-base powder through the lubricant, and a free lubricant powder, char...  
WO/2001/049438A2
The invention concerns a powder metallurgy produced press-sinter shaped part, more particularly a cam or supporting ring for a camshaft for internal combustion engines, exhibiting high thermal and wear resistance and having the following...  
WO/2001/048256A1
The present invention relates to a metal matrix composite based on boron steel containing at least 0.0010 % boron by weight, produced by spray forming, comprising ceramic particles with a hardness greater than 800 HV, method for producin...  
WO/2001/045882A2
Disclosed are reinforced metal matrix composites and methods of shaping powder materials to form such composites. Articles of manufacture are formed in layers by a laser fabrication process. In the process, powder is melted and cooled to...  
WO/2001/044530A1
It is possible to generate a desirable form (soft, pliable) of sulfide inclusions in magnesium-treated cast irons. Thermodynamically, MnS and MoS¿2? are not stable in the presence of magnesium. However, by adding magnesium to a cast iro...  
WO/2001/038593A1
The invention provides a cast iron alloy comprising 3.0 - 3.8 % carbon, 0.6 - 2.5 % silicon, 0.2 - 0.65 % manganese, 0.01 - 0.1 % tin, <0.025 % sulfur, 0.001 - 0.020 % magnesium, 0.1 - 1.2 % copper, 0.04 - 0.2 % chromium, and balance up ...  
WO/2001/035424A1
A ferrite magnet powder which comprises, as a main phase, La-Co magnetoplumbite type ferrite having a structure obtained by partially substituting La for Sr and Co for Fe and has a composition represented by (1-x)SrO. (x/2)La¿2?O¿3?. (...  
WO/2001/032946A1
The present invention provides iron-based metallurgical powder compositions and a method of making and using the same. The metallurgical powder compositions of the present invention contain certain amounts of an iron-alloy powder having ...  
WO/2001/031085A2
Metallic glass / amorphous metal electrodes produced by rapid solidification (i) having a structure that is either amorphous or nanocrystalline, (ii) containing the principal alloying element as Ni, (iii) containing alloying additions of...  
WO/2001/031076A1
A powder metallurgy article formed of a sulfur-containing, precipitation-hardenable, stainless steel alloy is described. The article has a unique combination of strength, ductility, processability, and machinability. The powder metallurg...  
WO/2001/029274A1
The invention concerns a method for the manufacturing of a wire-shaped product with high wear resistance. The characteristic feature is that a melt is prepared of a martensitic stainless chromium steel which contains in weight-% 0.6-3.0 ...  
WO/2001/024203A1
The invention relates to boron-low Nd-Fe-B permanent magnets that have high coercive forces. To this end, the concentrations have to meet the following requirements: 26.9 wt.- % $m(F) [SE]¿eff? $m(F) 33 wt.- %; 2.185 - 0.0442 [SE]¿eff?...  
WO/2001/022439A1
The invention relates to a soft magnetic material and a method for producing the same. The inventive material is especially suitable for the use in electrovalves. The individual powder particles (11) of a metallic, powdery source compone...  
WO/2001/020049A1
The invention relates to a method in which particles made of ferrous titanium, niobium or vanadium are dispersed and thermally compacted in a metal matrix powder made from hardenable steel or heat-resistant alloys. Titanium, niobium or v...  
WO/2001/019554A1
The invention concerns a metal powder composition for warm compaction comprising an iron-based powder and lubricant powder consisting essentially of a polycarboxylic acid amide wax having a melting point peak in the range of 180° to 210...  
WO/2001/020050A1
An iron-graphite composite powder having a microstructure comprising carbon clusters in a ferrous matrix is disclosed. Also disclosed is a process for preparing the iron-graphite composite powder, a process for preparing sintered article...  
WO/2001/017717A1
Metallurgical powder compositions are provided that include silicon carbide to enhance the strength, ductility, and machine-ability of the compacted and sintered parts made therefrom. The compositions generally contain a metal powder, su...  
WO/2001/017716A1
The present invention concerns powder compositions including iron-containing powders, additives, lubricant and flow agents. The powder compositions essentially consist of iron-containing particles having additive particles bonded thereto...  
WO/2001/007671A1
A method of producing a corrosion resistant ferrous product is disclosed. The product is produced by rolling a heated billet which comprises a mass of mild steel swarf in a stainless steel jacket. Two reducing agents are present in the j...  
WO/2001/007674A1
A sintered steel and a method for the manufacture thereof are described, the sintered steel being made by a method comprising the steps of providing a first pre-alloyed steel powder having a composition comprising in weight%: C 0.5-2, Cr...  
WO/2001/007666A1
A process for innocuating copper or tin present in steel by adding to the steel a source of an alloying metal such as aluminium.  
WO/2001/000897A1
The invention relates to an nickel-poor austenitic steel containing iron and the following components: manganese: less than 9.0 % by weight; chrome: less than 16 and a maximum of 22 % by weight; nitrogen: more than 0.30 and a maximum of ...  
WO/2000/079014A1
The invention relates to a method for recovering metallic chromium from slag containing chromium oxide, from converter processes such as AOD, MRP, AOD-L, MRP-L, CLU, ASM, Conarc stainless steel or vacuum processes such as VOD, SS-VOD, RH...  
WO/2000/079015A1
A powder metallurgy manufactured high speed steel with a high content of nitrogen in the form of a body formed through consolidation of alloyed metal power has the chemical composition in weight-%: 1-2.5 C, 1-3.5 N, 0.05-1.7 Mn, 0.05-1.2...  
WO/2000/077268A2
IVT component, comprising an input and an output disk. Each disk is provided with a raceway and raceways of the input and output disk are faced to each other. The rollers are provided in between. The rollers have a surface engaging the r...  
WO/2000/075387A1
A non-austempered spheroidal graphite cast iron obtained without austempering, and having a tensile strength of 650 to 850 MPa and an elongation of 7.0 to 14.5%, wherein a fatigue limit of its V-notched material is at least 290 MPa, the ...  
WO/2000/073527A1
The invention relates to a steel with a high resistance to wear and tear and corrosion which is produced by spray deposition and is composed of the following (in percent by weight): C: 0.5 - 2.5 %, Si: $m(F) 1.0 %, Mn: $m(F) 1.0 %, P: $m...  
WO/2000/073528A1
The invention relates to a nickel-poor austenitic steel which contains iron and the following components: less than 17.0 wt.- % manganese; more than 21.0 and not more than 26.0 wt.- % chromium; less than 1.50 wt.- % molybdenum; more than...  
WO/2000/073001A1
The present invention provides a method of making metallurgical powder compositions and a method of using the metallurgical powder compositions produced. The method of the present invention includes providing a prealloy powder containing...  
WO/2000/071759A2
In one aspect, the invention encompasses a method of forming a steel. A metallic glass is formed and at least a portion of the glass is converted to a crystalline steel material having a nanocrystalline scale grain size. In another aspec...  
WO/2000/071769A1
In the invention, a stainless steel powder of the desired composition is either directly mixed with a h-BN powder, compressed and sintered of the stainless steel powder is compressed, impregnated with a solution containing h-BN and then ...  
WO/2000/071768A1
An electrical resistance element consists mainly of a silicide phase according to the formula Mo(Si¿1-x?Al¿x?)¿2?, which phase forms alumina on the surface of the element. The element is intended to be used in connection with sinterin...  
WO/2000/068469A2
A composite metal object comprises ductile crystalline metal particles in an amorphous metal matrix. An alloy is heated above its liquidus temperature. Upon cooling from the high temperature melt, the alloy chemically partitions, forming...  
WO/2000/068139A1
Composite materials of the invention, which include a gas-tight ceramic, a porous metallic support, and an interfacial zone therebetween eliminate the need for mechanical seals between two such dissimilar materials. Oxygen ion-conducting...  

Matches 501 - 550 out of 11,374