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JP5434249B2 |
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JP5434276B2 |
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JP5424120B2 |
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JP2014032927A |
To provide a battery jar for a nonaqueous secondary battery that is optimum for a power supply for a forklift which works at a very low temperature such as in a freezer and the like.The battery jar comprises: a base substance made of aus...
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JP2014030849A |
To provide a battery jar for a nonaqueous secondary battery, which also functions as a counterweight when it is used for a power source for a forklift.A battery jar is formed from austenitic cast iron organized by a matrix made of an Fe ...
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JP5423930B2 |
A centrifugally cast composite roll comprising an outer layer made of cast iron having a chemical composition comprising, by mass, 2.7-3.5% of C, 1.5-2.5% of Si, 0.4-1.0% of Mn, 3.7-5.1% of Ni, 0.8-2.2% of Cr, 1.5-4.5% of Mo, 2.0-4.5% of...
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JP5398528B2 |
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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JP5389474B2 |
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JP5384352B2 |
An austenitic cast iron according to the present invention has Ni: from 7 to 15% by mass, and is characterized in that it comprises a base structure in which an austenite phase makes a major phase even in ordinary-temperature region by a...
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JP5368994B2 |
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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JP5366666B2 |
To provide a ferritic CV graphite cast iron that retains machinability comparable to that of an existing flake graphite cast iron while increasing its strength. The ferritic CV graphite cast iron contains 3.38-3.62 wt.% C, <0.41 wt.% Mn,...
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JP5367041B2 |
To obtain a thin-walled spheroidal graphite cast iron casting having a wall thickness of 3.0 mm or less and a chill-free structure as cast without using a casting method which needs a special apparatus and a process and without using a s...
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JP5358263B2 |
To provide a cast iron ball for a base isolation structure, for improving strength and ductility so as to cope with a casting ball formed of cast steel, by constituting a spherical body of spherical graphite cast iron mass-producible thr...
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JP2013237911A |
To improve the seizure resistance of a cast iron material subjected to nitriding treatment.A high strength sliding material includes a compound layer 4 formed on the sliding face of a base material 1 made of cast iron having a structure ...
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JP5345316B2 |
The invention relates to a cast iron material which is characterized especially by a matrix comprising > 50 percent of acicular ferrite, < 20 percent of austenite, < 30 percent of martensite, < 50 percent of perlite, and < 15 % of carbide.
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JP5327342B2 |
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JP2013213253A |
To provide alloy steel with high temperature toughness, high temperature hardness, and high temperature tempering softening resistance, an end mill using the alloy steel, and a surface-coated end mill using the alloy steel.Alloy steel wi...
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JP5319871B2 |
A method by which high temperature properties of a ductile iron alloy, including creep and LCF properties, can be increased for pressure-containing components that are subject to creep and low cycle fatigue. The method comprises modifyin...
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JP5316281B2 |
To provide cast iron and a cast iron billet excellent in workability without heat treatment requiring massive heat energy and long time and a method of production enabling these to be efficiently produced. In the cast iron of ingredients...
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JP5282547B2 |
To provide a thick high strength spherical graphite cast iron product, as cast, which has high strength satisfying the tensile strength of ≥750 MPa and high ductility satisfying the elongation of ≥1.5%, further is excellent in wear r...
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JP5282546B2 |
To provide a thick high-strength spherical graphite cast iron product with a thickness of ≥100 mm, as cast, which has high strength satisfying the tensile strength of ≥750 MPa and high ductility satisfying the elongation of ≥1.5%, ...
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JP5268344B2 |
A highly stiff and highly damping cast iron containing C and Si in an amount of 3.30 to 3.95% in terms of carbon equivalent shown in the following equation (1), Mn: 0.25 to 1.0%, P: 0.04% or less, S: 0.03% or less, Al: 3 to 7%, and Sn: 0...
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JP5265053B2 |
Provided is a cast-iron product that satisfies demands for both weight reduction and strength enhancement with good balance. A cast-ion product having an inner honeycomb structure is produced by a process including: a decarburization ste...
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JPWO2011145194A1 |
By using it as a composite material, heat resistance, seizure resistance, oxidation resistance, high temperature strength or abrasion resistance can be improved, and it is homogeneous and has little variation in dimensions, and is suitab...
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JP5232620B2 |
A ductile iron having superior high-temperature strength and oxidation resistance at temperatures exceeding 800°C compared with conventional high Si and Mo ductile iron. The ductile iron comprises, in terms of mass ratio, carbon: 2.0 to...
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JP5227035B2 |
A cast iron material, particularly a ledeburitic cast iron material with a carbide content of at least 15 wt. % and a characteristic free, evenly distributed graphite formation is disclosed. In this case, the evenly distributed graphite ...
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JP5229743B2 |
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JP5208175B2 |
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JP2013104132A |
To provide a method of forming and austempering ductile iron article and an article made by the method.The method includes a step 110 of providing a ductile iron article preform. The method also includes a step 120 of deforming the ducti...
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JP5200164B2 |
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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JP5148837B2 |
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JP5150654B2 |
There is provided a method for obtaining a pure melt in which the impurities Mn, Al, Ti, Pb, Zn, and B are removed from molten cast iron and depletion of useful C and Si is suppressed, the method wherein an excess oxygen flame having a t...
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JP5145047B2 |
A spheriodal cast alloy for producing cast iron products with great mechanical strength, high-wear resistance and a high degree of ductility. The alloy comprises the following as non-iron components: between 2.5 and 2.8 wt. % C, between ...
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JP5136138B2 |
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JP5118997B2 |
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JP5113104B2 |
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JP2012250273A |
To provide a method for manufacturing an aluminum die casting by a low-cost cast iron die for small-lot production or trial production capable of reducing storage expenditure of old-type dies for mass production.Molten metal having a com...
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JP5099543B2 |
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JP5085839B2 |
A method of casting parts with gray iron includes the steps of providing molten gray iron metal with controlled carbon, silicon, phosphorous, sulfur, manganese and chromium content; alloying said molten gray iron metal, prior to pouring,...
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JP2012211580A |
To disclose a component and a method of processing a component.The method includes: providing a base metal having a feature; removing the feature to form a processed region; applying a first layer to the processed region; and applying a ...
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JP5041938B2 |
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JP5024051B2 |
A centrifugally cast composite roll comprising an outer layer having a composition comprising by mass 2.5-9% of C, 0.1-3.5% of Si, 0.1-3.5% of Mn, and 11-40% of V, the balance being Fe and inevitable impurities; an intermediate layer mad...
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JP5012231B2 |
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JP2012518082A |
In order to provide a material of low cost that is suitable to produce parts or coatings having a high wear and also high chemical resistance, an alloy is propsoed comprising 13 to 16 percent by weight nickel (Ni), 13.5 to 16.5 percent b...
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JP2012126998A |
To provide a method by which properties of a component formed of a ductile iron alloy and having thick sections can be promoted with an austempering process.In the method, when casting the ductile iron alloy 24 containing Fe, C, Si and a...
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JP2012122085A |
To provide a ferritic spheroidal graphite cast iron excellent in thermal fatigue characteristics, and an exhaust system part of an automobile using the same.The ferritic spheroidal graphite cast iron comprises, by mass%, 3.0-3.6% C, 4.0-...
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JP4963444B2 |
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JP2012115881A |
To provide a method for improving fatigue strength capable of improving the fatigue strength of a cast iron material, specifically spherical graphite cast iron to the same level as that of carbon steel subjected to carburizing and quench...
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JP2012117095A |
To provide a method for improving fatigue strength that can improve the fatigue strength of cast iron material, specifically spherical graphite cast iron, to the same level as that of carbon steel subjected to carburizing and quenching.T...
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JP4955108B2 |
The manufacturing method of high-manganese spheroidal graphite cast iron with exhibiting low magnetism, and excellent wear resistance, castability, and machinability, and having a composition which consists of, 2.5 to 4.0 wt. % of C cont...
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