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WO/2012/073628A1 |
The purpose of the present invention is to provide a method for improving fatigue strength that is capable of improving the fatigue strength of cast iron, specifically spherical graphite cast iron, to the same level as that of carbon ste...
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WO/2012/028789A1 |
The process for manufacturing a casting for a high-voltage insulator fitting, by casting a ductile cast iron that contains proportionally between 3.2% and 3.7% carbon, between 1.9% and 2.5% silicon, between 0.1% and 0.5% manganese and be...
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WO/2012/022450A1 |
In a part or component for machines, in particular large-scale machines, which consists of grey cast iron with graphite embedded in a basic microstructure, it is possible to achieve a high load-bearing capacity and also good machining pr...
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WO/2012/022366A1 |
This invention refers to a brake lever (1) for a brake of a vehicle for transmitting a brake force from an actuator into a brake actuation mechanism for a frictional engagement of brake pads, wherein the brake lever (1) comprises a housi...
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WO/2011/150383A2 |
An alloy composition comprising iron present in the range of 49 atomic percent (at %) to 65 at %, nickel present in the range of 10.0 at % to 16.5 at %, cobalt optionally present in the range of 0.1 at % to 12 at %, boron present in the ...
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WO/2011/145194A1 |
Disclosed are: a heat-resistant cast iron type metallic short fiber which can be used in a composite material to improve heat resistance, seize resistance, oxidation resistance, high-temperature strength or abrasion resistance of the com...
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WO/2011/145339A1 |
Disclosed is an austenitic cast iron which is a cast iron comprising essential elements consisting of C, Si, Cr, Ni, Mn and Cu and the remainder made up by Fe and unavoidable impurities and/or a trace amount of a modifying element that i...
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WO/2011/093237A1 |
Disclosed is a method for removing the impurity elements Mn, Al, Ti, Pb, Zn and B in molten cast iron, which allows obtaining a clean molten metal in which depletion of useful C and Si is suppressed. An excess oxygen flame with a theoret...
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WO/2011/091479A1 |
A casting of a white cast iron alloy and a method of producing the casting are disclosed. A white cast alloy is also disclosed. The casting has a solution treated microstructure that comprises a ferrous matrix of retained austenite and c...
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WO/2011/078500A2 |
The present invention relates to cast iron, and more specifically relates to CGI (Compacted Graphite Iron) cast iron in which the amounts of carbon (C), silicon (Si), manganese (Mn), copper (Cu), tin (Sn) and magnesium (Mg) are controlle...
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WO/2011/042123A1 |
The invention relates to a cast iron cast part, in particular a cast crankshaft (1), having a first layer (3) made of ausferrite, and a second layer (4) adjoining the interior (5) made of ausferrite and troostite.
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WO/2011/031211A1 |
Method for determining the cuttability of a compact graphite iron, characterised by the steps of: - arriving at a relationship between cuttability and contents of carbide-stabilising substances in compact graphite iron, which relationshi...
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WO/2011/012786A1 |
The invention relates to a cylinder sleeve for lining the cylindrical wall of an internal combustion engine cylinder, said sleeve being made of flake graphite cast iron having a pearlitic matrix including carbon, silicon, manganese, phos...
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WO/2010/104322A2 |
The present invention relates to an alloy cast iron for producing a seal, to a seal, and to a method for producing such a seal. The alloy cast iron for producing a seal according to the present invention contains 3.8 to 4.2 wt % of carbo...
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WO/2010/097673A1 |
Ferritic spheroidal graphite cast iron includes: 3.1 to 3.5 percent by mass of carbon; 4.1 to 4.5 percent by mass of silicon; 0.8 percent by mass or below of manganese; 0.1 to 0.6 percent by mass of molybdenum; 0.1 to 1.0 percent by mass...
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WO/2010/098256A1 |
A casting steel material which contains, in terms of mass%, 5-10% nickel, 0.5-5% silicon, 0.01-1% manganese, 0.2-2% carbon, and 1-10% chromium, with the remainder being iron and incidental impurities, and has a martensite transformation ...
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WO/2010/091487A1 |
The object of this application defines a new alloy which presents at the same time the mechanical and physical properties of the gray iron alloy, i.e., excellent machinability, damping vibration, thermal conductivity, low shrink tendency...
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WO/2010/090151A1 |
Disclosed is a high-manganese spheroidal graphite cast iron having a composition which contains, by weight, 2.5 to 4.0% of C, 1.5 to 6.0% of Si, 7.0 to 18.0% of Mn, and 0.015 to 0.1% of Mg, and contains Ni in an amount of 10.0% or smalle...
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WO/2010/070949A1 |
Disclosed is a spheroidal graphite cast iron having superior high-temperature strength and oxidation resistance at a temperature higher than 800˚C compared with those of conventional high-SiMo spheroidal graphite cast iron materials. T...
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WO/2010/057616A1 |
A balance shaft (1) for a reciprocating piston engine comprises a bearing point (2) on which the balance shaft is supported, a gear wheel section (10) on which a gear wheel (5) is connected via a press fit or another shaft-hub connection...
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WO/2010/040606A1 |
Known cast iron alloys have application limits with regard to temperature. Through the use of cobalt, an optimal ferritic microstructure is achieved such that with an alloy having silicon 2.0 - 4.5 wt %, cobalt 0.5 - 5 wt %, carbon 2.0 -...
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WO/2010/029564A1 |
A nodulizer alloy for the production of high strength, high ductility spheroidal graphite iron is disclosed. The nodulizer alloy of the present invention is economical, efficient and produces pearlite grade spheroidal graphite iron with ...
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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...
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WO/2009/145717A1 |
Method for austempering at least one part of a work piece, which method comprises the steps of: a) heating at least one part of the work piece to an initial austenitizing temperature (T1); b) subjecting said at least one part of the work...
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WO/2009/145039A1 |
Disclosed is a high-rigidity high-damping-capacity cast iron containing 3-7% of Al, which is characterized in that the cast iron is obtained by being heated at 280-630˚C and then quenched after casting.
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WO/2009/108181A1 |
A nodular graphite, heat-resistant cast iron composition for use in engine systems. The composition contains carbon 1.5-2.4 weight %, silicon 5.4-7.0 weight %, manganese 0.5-1.5 weight %, nickel 22.0-28.0 weight %, chromium 1.5-3.0 weigh...
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WO/2009/035666A2 |
Composite bodies and methods for producing such composite bodies having discontinuous graphite preforms and at least one silicon-bearing metal alloy infiltrant are described. The metal alloy is preferably comprised of aluminum, copper, o...
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WO/2009/028736A1 |
An austenitic cast iron containing Ni: 7 to 15% by mass, characterized by having contents of Cr, Ni and Cu (except C and Si) controlled within prescribed ranges respectively and thereby comprising a matrix structure whose main phase is a...
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WO/2009/028976A1 |
The invention relates to ferrous metal alloys, in particular to compositions of specific alloyed cast irons containing chromium and zinc and used for producing machine parts which operate in aggressive media at temperatures up to -60°C ...
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WO/2009/002013A1 |
The cast iron for the turbine housing/exhaust manifold according to the present invention comprises carbon, silicon, phosphorus, manganese, and magnesium components, and includes from 0.5 to 2 wt % of vanadium (V), from 0.5 to 3 wt % of ...
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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...
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WO/2008/151873A1 |
Disclosed is an engine part, e.g. an engine piston or a piece thereof, such as a ring carrier or piston boss bushing, which is made of a cast iron alloy containing a minimum of 0.01 percent and a maximum of 0.1 percent of zirconium as an...
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WO/2008/128334A1 |
A wear resistant casting and method of fabrication thereof, the casting comprising inserts embedded in a matrix; each insert having a form such that a ratio A/B in any mutually perpendicular section that passes through the centre of mass...
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WO/2008/105987A1 |
A gray cast iron alloy is disclosed. The gray cast iron alloy includes carbon from about 3.05 to about 3.40 weight percent, niobium from about 0.05 to about 0.3 weight percent, and silicon from about 1.75 to about 2.3 weight percent. The...
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WO/2008/099673A1 |
Disclosed is a high-rigidity high-damping-capacity cast iron characterized by consisting of C and Si having a carbon equivalent represented by the formula (1) below of 3.30-3.95%, 0.25-1.0% of Mn, not more than 0.04% of P, not more than ...
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WO/2008/076497A1 |
An as-cast carbidic ductile iron is provided, having a pearlitic matrix with 5-50% by volume carbides and high wear resistance properties. The as-cast carbidic ductile iron is produced without an austempering heat treatment step. The as-...
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WO/2008/076051A1 |
Austempered ductile iron (ADI) for components requiring high strength and/or ductility, which has a silicon content of 3.35 weight-% to 4.60 weight-%, and which is obtainable by performing an ADI-heat treatment using an austenitization t...
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WO/2008/076067A1 |
Method for manufacturing at least one part of a device (22) for mounting directly or indirectly on an arm (12) of an earth-moving or material-handling machine (10), such as an excavator, tractor, harvester, forwarder or crane, whereby th...
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WO/2008/049492A1 |
The invention relates to a hydraulic fitting for installation in fixed hydraulic units, e.g., a door closer, with a housing (12) made of cast iron which forms a chamber (16) filled with hydraulic fluid, said chamber receiving movable fix...
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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...
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WO/2008/029305A1 |
A description is given of a temperature-stable cast-iron alloy having high wear resistance at temperatures between 500 and 900° C. The alloy is characterized in that it has the following composition expressed in weight percentages: chro...
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WO/2008/029304A1 |
A description is given of a temperature-stable cast-iron alloy having high wear resistance at temperatures between 500 and 900° C. The alloy is characterized in that it has the following composition expressed in weight percentages: chro...
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WO/2008/019717A1 |
The invention relates to a steel material having a high silicon content, and to a method for the production thereof, said steel material being particularly suitable for piston rings and cylinder sleeves. In addition to iron and productio...
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WO/2008/003395A2 |
A method for manufacturing mechanical components made of spheroidal cast iron, comprising the following steps: - providing a casting of a mechanical component made of cast iron having a structure which is at least partially ferritic and ...
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WO/2007/141108A1 |
A cast iron alloy is recommended for cast iron products with a high oxidation stability at surface temperatures of 800°C to 950°C, having the chemical components 2,8 to 3,6%C by weight; 2,0 to 3,0% Si by weight; 2,5 to 4,3% Al by weigh...
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WO/2007/134658A1 |
The invention discloses a cast iron material for the production of piston rings and cylinder linings, characterized by a mixing arrangement consisting of > 50% predominantly tempered martensite, < 10% and > 0.5% primary carbides, < 30% p...
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WO/2007/099919A1 |
This invention provides a sliding component of a compressor that has a high tensile strength, can develop satisfactory durability during operation, can realize “familiarity” in the earliest possible stage, and does not cause seizing ...
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WO/2007/088555A1 |
A chromium-molybdenum-vanadium (Cr-Mo-V) cast steel containing 0.04 to 0.08 % by weight of Nioblum.
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WO/2007/082788A1 |
Known cast iron alloys have application limits with regard to temperature. By menas of the use of cobalt an optimal ferritic structure can be achieved such that with an alloy containing silicon 2.0 - 4.5 wt.%, cobalt 0.5 - 5wt.%, carbon ...
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WO/2007/077637A1 |
A centrifugally cast composite roll comprising an outer layer of composition containing, by mass, 2.5 to 9% C, 0.1 to 3.5% Si, 0.1 to 3.5% Mn and 11 to 40% V together with the balance of Fe and unavoidable impurities; an intermediate lay...
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