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WO/1993/018189A1 |
Sway bars (10) made of high strength steel having grains (15) with a preferred orientation, and methods of making such sway bars (10) from blanks of high strength steel typically having a yield strength of at least about 90,000 psi and a...
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WO/1993/015233A1 |
High strength steel parts and method of making are disclosed by providing a blank of high-strength steel material having a tensile strength of at least about 120,000 psi and a yield strength of at least about 90,000 psi and warm forming ...
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WO/1992/008817A1 |
A high-strength ultrafine steel wire with excellent workability in stranding, which comprises, by weight, 0.85 to 1.10 % of carbon, 0.10 to 0.70 % of silicon, 0.20 to 0.60 % of manganese, 0.10 to 0.60 % of chromium, 0.005 % or less of al...
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WO/1992/007966A1 |
High strength steel parts and method of making are disclosed by providing a blank of high-strength steel material having a tensile strength of at least about 120,000 psi and a yield strength of at least about 90,000 psi and warm forming ...
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WO/1992/005897A1 |
A gear wheel is formed from a pressed and sintered powder metal blank (2) by surface hardening the tooth, root and flank regions to establish densification in the range of 90 to 100 per cent to a depth of at least 380 microns.
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WO/1990/011849A1 |
A method of producing a so-called 'rollable metal sheet' having high rollability, essentially comprising the step of supplying continuously molten metal to a cooling member whose cooling surface consists of one or two surfaces and are mo...
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WO/1989/010806A1 |
A method for correction shape deviations in hard, hardened objects in which the objects are heated to a temperature which lies beneath the temperature at which the structure imparted to the objects during a preceding heating process (e.g...
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WO/1988/007588A1 |
The invention relates to a material (504), having adjacent regions of differing strength and ductility, that has been formed by rapidly deforming a suitable base metal (501) having a banded structure, such as illustratively a previously ...
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WO/1988/007587A1 |
The invention relates to apparatus and accompanying methods for use therein for forming a material (504), which has high strength and good workability, by rapidly deforming a suitable base metal (501) having a banded structure, such as i...
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WO/1987/004093A1 |
A method of preparing a metal base for a memory disk, wherein coining is performed by placing a metal blank material (6) between two dies having smooth working surfaces within a metal mold (3) which confines the spreading of the blank ma...
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WO/1987/000866A1 |
An ultra high carbon steel having a composition of carbon in an amount of from about 0.8 weight percent up to the maximum solubility limit of carbon in austenite; silicon in an amount of from about 3 to about 7 weight percent; an effecti...
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WO/1985/002566A1 |
A penetrator (60) is made in accordance with a method for increasing strength and/or hardness of a metal specimen. Compressive force is applied to the specimen slowly so that the yield strength of the specimen progressively increases and...
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WO/1984/002481A1 |
A method for increasing strength and/or hardness of a preshaped metal specimen (18) by cold working. Compressive force is applied to the specimen slowly so that the yield strength of the specimen progressively increases and the specimen ...
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WO/1984/001586A1 |
Armouring bars which are treated by hardening in a cooling liquid and thereafter by drawing temper owing to the core heat exhibit a mantel treated by hardening and drawing temper having an uneven thickness so that it is difficult to bend...
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WO/1983/002783A1 |
A method of continuously casting a molten ferrous alloy in a casting means (12) to obtain a solidified cast bar (20) at a hot-forming temperature, passing the cast bar (20) at a hot-forming temperature from the casting means (12) to a ho...
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WO/1983/000168A1 |
The semi-finished and finished products of an aluminum, copper, nickel and iron alloy with or without oxydic dispersoids are obtained by thermoforming, wherein the forming is carried out isothermally or quasi-isothermally in a single ste...
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JP2024059023A |
The present invention provides a steel sliding component that can reduce the coefficient of friction. [Solution] A steel sliding component (10) of the present embodiment has a circular or annular cross section perpendicular to the centra...
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JP2024059022A |
An object of the present invention is to provide a steel gear that can reduce the coefficient of friction. [Solution] A steel gear (1) of the present embodiment includes a quench-hardened layer formed on a surface layer including tooth s...
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JP7471206B2 |
To provide a surface treatment method of a steel material capable of improving fatigue strength.A first nitriding treatment process for forming a nitrogen diffusion layer in an atmosphere following formulas (1)(2)(5), and a second nitrid...
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JP7467312B2 |
To provide a laser peening device and a laser peening method capable of applying compressive stress to the interior of a hole that is sealed at its one end, such as a cooling hole in a mold, etc.A laser peening device that performs laser...
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JP2024046937A |
An object of the present invention is to provide a gear that can improve the bending (fatigue) strength on the root side (particularly the fillet part). The present invention is a gear in which the fillet on the root side has a compressi...
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JP2024042978A |
[Problem] To provide a steel component that can reduce the coefficient of friction. [Solution] A steel component (1) of the present embodiment includes a disc-shaped or cylindrical main body (10), and the main body (10) includes a quench...
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JP2024025848A |
An object of the present invention is to provide a steel gear that can reduce the coefficient of friction. [Solution] A steel gear (1) of the present embodiment includes a carburized hardened layer formed on a surface layer including the...
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JP7437004B2 |
A dynamic impacting method comprises:A. preparation of metallic glass particles or liquid metal alloy particles (1); andB. bombardment of the metallic glass particles or liquid metal alloy particles (1) against a substrate (2) to harden ...
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JP7435309B2 |
A surface treatment method includes: a first step of applying a plane wave-shaped shock wave to a workpiece to cause high-density transition to occur in a material structure of the workpiece; and a second step of applying a spherical wav...
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JP2024016464A |
[Problem] To effectively reduce residual stress in a welded part due to multilayer welding. [Solution] A tank manufacturing method is a tank manufacturing method in which a tank is manufactured by jointly welding steel plates constitutin...
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JP7426058B2 |
To enable coverage measurement to be performed even for a machining surface that has such surface properties that coverage measurement is difficult by only binarization processing of an imaged image.Provided is a coverage measurement met...
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JP7423748B2 |
A coated steel substrate coated with a first coating including above 40 wt. % of chromium and optionally one or several elements chosen from yttrium, silicon, calcium, titanium, zirconium, vanadium, niobium and nickel in an amount below ...
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JP7414615B2 |
To provide an austenitic stainless steel sheet for construction material that has an excellent corrosion resistance even when the surface is roughened to ensure anti-glare property.The austenitic stainless steel sheet for construction ma...
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JP2023554297A |
[Problem] Low yield strength and excellent low-temperature impact toughness. Provided is a steel material for a seismic damper that can be used to ensure the earthquake resistance of a structure from an earthquake, and a method for manuf...
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JP7397318B2 |
To provide a method for manufacturing a steel plate which can manufacture a steel plate that suppresses a part having a problem of hardness in quality on an object surface, a method for manufacturing a steel pipe, an apparatus for manufa...
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JP7386606B2 |
Example implementations relate to techniques for refining the microstructure of metallic materials used for additive manufacturing. An example can involve generating a first layer of an integral object using a material with grains struct...
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JP2023165551A |
To improve an alloy steel for build-up welding on the press face against a hot slab in a tool for hot-width compression pressing, enhance its wear resistance, heat crack resistance and high-temperature oxidation resistance, and further e...
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JP7380962B1 |
To provide square steel pipes with excellent buckling resistance. In a square steel pipe having a plurality of flat plate portions and corner portions alternately in the circumferential direction, the yield strength of the flat plate por...
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JP7365095B2 |
To improve a fatigue life of a weld zone in an existing bridge and efficiently repair a crack existing in the weld zone.A method for improving a fatigue life of a weld zone 60 in an existing bridge and for repairing a crack C in the weld...
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JP7364867B2 |
To provide a welding joint capable of reducing an influence on welding construction due to a construction error of an interval between metal plates butted to each other when performing one-side butting.A welding joint is equipped with: a...
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JP7359411B2 |
Provided is a preventive maintenance method for a steel bridge, which can drastically shorten a construction period, drastically shorten a cost, and exactly determine whether peening treatment is properly performed. The preventive mainte...
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JP2023144640A |
To provide a steel materials for cold forging and nitriding that have an excellent balance between processability during cold forging and nitriding property.Provided is a steel for nitriding, which is a steel that has, in mass%, C:0.20 t...
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JP2023144674A |
To provide a steel for nitriding having excellent nitriding property that has both cold forgeability and core part hardness.Provided is a steel for nitriding, which is a steel that has, in mass%, C:0.20 to 0.45%, Si:0.1 to 0.4%, Mn:0.2 t...
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JP2023142841A |
To provide a conductive member that has low contact resistance and high corrosion resistance.Abrasive grains are projected onto a stainless steel foil containing 11 mass% or more of chromium, having a thickness of less than 0.3 mm, and c...
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JP2023142725A |
To provide a method for manufacturing a bearing component capable of efficiently eliminating gaps existing around a non-metallic inclusion.In a method for manufacturing a bearing component, in order to reduce gaps between a non-metallic ...
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JP7339511B2 |
To provide a welding joint capable of reducing an influence on welding construction due to a construction error of an interval between metal plates, when an end portion of the other metal plate is butted to a surface of one metal plate.A...
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JP2023112312A |
To provide a method for working corrosion-resistant austenitic stainless steel which can impart sufficient compressive residual stress.A method for working corrosion-resistant austenitic stainless steel includes the steps of: preparing a...
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JP7321424B2 |
To provide a hypoid gear manufacturing method by which both of productivity and power transmission efficiency can be achieved.A manufacturing method for a hypoid gear having a truncated conical pinion gear and a ring gear comprises: a ge...
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JP2023089963A |
To provide a highly-strong duplex stainless steel excellent in corrosion resistance and processability; and to provide a manufacturing method thereof.A duplex stainless steel has a metallographic structure in which the area ratio of a fe...
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JP2023081506A |
To provide a shaft component having hardness equal to or more than hardness in the case of using Ni-containing steels without containing Ni, and excellent in machinability, and to provide a steel material for producing the same.A shaft c...
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JP7285228B2 |
To provide an autofrettage device and an autofrettage method capable of reducing an amount of pressurized liquid without enlarging the device.An autofrettage device K comprises a first fixing member 1 for fixing an upper end w1 of a cyli...
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JP2023070694A |
To provide a die steel that has both of a high hardness and a high shock value, and shows high resistance to thermal shock, and to provide a die.A die steel comprises, in mass%, 0.35%≤C≤0.55%, 0.05%≤Si≤0.40%, 1.50%≤Mn≤2.50%, ...
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JP2023070326A |
To provide a processing method of a machining object capable of imparting compressive residual stress to an inner wall surface of a hole regardless of a shape of the hole.A processing method of a machining object according to one aspect ...
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JP7269470B2 |
To provide a two-phase stainless steel which has high strength and also excellent fatigue resistance; and a method for manufacturing the same.The two-phase stainless steel has a metallic structure in which an area ratio of a ferrite phas...
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