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JP5005409B2 |
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JP4990467B2 |
A translucent thermoplastic molding composition containing polycarbonate, phosphorous compound and a fluorinated polyolefin is disclosed. Characterized in its excellent flame proofing, optical properties and resistance to chemicals the c...
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JP4985644B2 |
Ultrasonic peening treatment is desirable where an application of a compressive stress is helpful to reduce the incidence of crack formation on highly stressed parts. Ultrasonic peening treatment can be performed in field applications wi...
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JP4987772B2 |
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JP4987773B2 |
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JP4977234B2 |
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JP4970811B2 |
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JP4969325B2 |
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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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JP2012117091A |
To provide a steel wire for a high strength spring by which breakage is suppressed during coiling and from which a high strength spring having excellent durability and settling resistance is obtained after coiling.The steel wire for the ...
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JP4959108B2 |
The invention relates to a method for processing a metal slab or billet, in which the slab or billet is passed between a set of rotating rolls of a rolling mill stand to roll the slab. According to the invention, the rolls of the rolling...
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JP4957362B2 |
To provide a shaft for a continuously variable transmission (CVT) and its manufacturing method, excellent in dimensional accuracy and durability and achieving improved productivity and reduced cost by integrally fixing a shaft formed by ...
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JP4952862B2 |
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JP4938603B2 |
To provide a pulley for a continuously variable transmission capable of improving abrasion resistance of a sliding surface, by restraining a fatigue crack of the sliding surface of the pulley by a repetitive load from a belt and sliding ...
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JP2012087356A |
To provide autofrettage processing capable of reducing, as much as possible, wear and tear of a part caused by abrasion.The autofrettage processing device applies the autofrettage processing to a workpiece, in which before pressurization...
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JP4926384B2 |
A mechanical transducer induces liquid cavitation, causing pressure waves in a liquid which are applied against a metal surface to afford localized elastic and plastic tensile microstrain. The pressure waves alter the surface tensile str...
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JP4918199B2 |
A method for the fabrication of Fe-Ni alloy strip consists of:- a) fabricating a hot rolled strip by hot rolling a semi-product, from direct thin strip casting and possibly light hot rolling, and subjecting it to tempering at a temperatu...
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JP4912385B2 |
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JP4916364B2 |
To provide a more inexpensive production method for a crawler bush where the securance of oil sealing properties as an oil-sealed crawler bush, the securance of excellent toughness to an impact, severe load, and the improvement of wear r...
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JP4916365B2 |
To provide a more inexpensive production method where the securance of oil sealability as an oil sealing crawler, the securance of its excellent toughness to an impact, severe load and the improvement of its wear resistance and wear life...
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JP4909247B2 |
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JP4909304B2 |
To provide a device for applying compressive residual stress capable of reducing a stress to be applied to a peening non-object member adjacent to a peening object member. The device includes a peening device for applying a compressive r...
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JP4895407B2 |
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JP2012045695A |
To solve the problem of easily causing hydrogen embrittlement when tensile residual stress exists, since intrusion of hydrogen depends on a metallic structure and a stress state of a metallic surface, due to causing the hydrogen embrittl...
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JP2012036418A |
To provide a technique for providing a spring having a higher strength than that in the prior art.A high-strength spring 2 includes a steel layer 12 and a nitride-containing compound layer 14 that is formed on the surface of the steel la...
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JP4872478B2 |
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JP4859538B2 |
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JP4853366B2 |
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JP4842409B2 |
A multiple peening treatment method wherein tip radius of curvature (Ri) of a vibration terminal used for an i-th time and tip radius of curvature (Ri + 1) of a vibration terminal used for an (i + 1)th time satisfy Ri i + 1 = 2Ri, wherei...
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JP4837428B2 |
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JP4835367B2 |
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JP4833615B2 |
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JP4832790B2 |
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JP4822308B2 |
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JP4818632B2 |
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JP4809579B2 |
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JP2011214019A |
To provide a method for producing a functionally gradient material utilizing a phase transformation by working.To the surface of a material generating the phase transformation with introduction of strain, the working is performed and the...
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JP4800930B2 |
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JP4798963B2 |
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JP4786470B2 |
To provide a laser peening method and an apparatus that can improve stress upto approximately 1 mm depth from the surface of a workpiece in a short time. In the laser peening method, the workpiece 3 is irradiated in the surface continuou...
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JP4784217B2 |
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JP4775525B2 |
The present invention aims to provide a method of shot-peening treatment that substantially improves the durability (particularly, heat check resistance) of the treated surface of the steel products in the process of treating by shot pee...
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JP4775002B2 |
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JP4777775B2 |
In a method and an apparatus for processing a metal body which turns the metal structure of the metal body into a finer grain structure by forming a low deformation resistance region (30') where the deformation resistance is locally lowe...
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JP4772923B2 |
The present invention provides a method of producing a common rail having a common rail body and a holder which include chemical components of 0.01-0.3 mass% of C, 0.01-0.5 mass% of Si, 0.01-3.0 mass% of Mn, 0.0003-0.01 mass% of B, 0.001...
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JP4748837B2 |
The method of fabricating low-cast, high-yield strength weld wire for welding includes displacing the weld wire through a rotary straightener having a pair of dies rotatable in opposite directions. Each die has a slider for introducing a...
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JP4752635B2 |
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JP4729248B2 |
For stress-crack-sensitive materials, a weld pool is formed on a substrate. The weld pool is simultaneously plastically strained and cooled while the temperature of the hot metal weld pool lies substantially within a predetermined range ...
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JP4724698B2 |
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