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JP5208070B2 |
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JP5208064B2 |
To provide a water jet peening method which allows an accurate check of the effects of improving residual stress on a WJP workpiece.A high-pressure water stream is jetted from a scanning nozzle to apply impact waves generated when bubble...
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JP5198765B2 |
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JP2013087581A |
To provide an excavation tool surface treatment method, and an excavation tool, in which the fatigue strength can be enhanced.An excavation tool has a tool body that excavates the ground by receiving torque and impact force from a drivin...
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JP5192205B2 |
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JP5188852B2 |
To provide a surface treatment method for a spring can shorten treatment time and efficiently perform treatment while securing excellent compression residual stress and surface roughness equal to that of a multi-stage conventional shot p...
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JP5189351B2 |
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JP5188657B2 |
An article (108) and method for laser shock peening (LSP) the article (108) to form pairs (88) of longitudinally spaced apart (LD) first and second laser shock peened spots (158, 159) that are on opposite sides of the article (108), simu...
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JP5187461B2 |
There is provided an austenitic stainless steel tube containing, by mass percent, 14 to 28% of Cr and 6 to 30% of Ni, wherein the steel tube has a metal micro-structure, in which an average dislocation density, which is determined by XRD...
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JP5188445B2 |
To provide a manufacturing method of a coil spring capable of efficiently manufacturing the coil spring having sufficient fatigue strength. This manufacturing method of the coil spring comprises a shot peening process of applying surface...
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JP5187680B2 |
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JP5176634B2 |
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JP2013056350A |
To provide a roll for continuous casting, in which a heat crack is suppressed from developing so as to extend a replacement cycle of a roll and reduce breaking troubles.The roll for continuous casting includes a build-up layer of a heat-...
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JP5171088B2 |
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JP5172191B2 |
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JP5160316B2 |
Disclosed is a ball for a constant velocity joint, and a method for producing the same. The ball for a constant velocity joint is produced via a quenching step for heating a spherical body consisting of a material corresponding to a high...
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JP5158272B2 |
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JP5159516B2 |
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JP5158271B2 |
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JP5151597B2 |
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JP2013036087A |
To provide a material for spring having high strength, such as ≥1,900 MPa tensile strength and high ductility, and a manufacturing method thereof.The material for spring is composed of an iron-based alloy containing prescibed component...
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JP5136687B2 |
On at least one surface of a base metal plate (1) of an ±-³ transforming Fe or Fe alloy, a metal layer (2) containing ferrite former is formed. Next, the base metal plate (1) and the metal layer (2) are heated to an A3 point of the Fe ...
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JP5139808B2 |
A laser peening method and system allows the work piece to be fixed, while moving and directing the laser beam. A laser energy delivery system includes a relay imaging system. Input optics arranged to receive the laser energy, a transmit...
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JP5129564B2 |
A component is subjected to carburizing treatment and then induction-hardening treatment, and is formed from steel consisting essentially of, by mass, C: minimum 0.08% and under 0.3%; Si: maximum 2.0%; Mn: from 0.2% to 3.0%; P: maximum 0...
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JP5130707B2 |
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JP5124947B2 |
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JP5121282B2 |
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JP5118324B2 |
Disclosed is a laser peening apparatus, including: a liquid holding head to shape and hold liquid to trap plasma on a local surface of a workpiece; and a laser irradiation head to irradiate the surface with laser through the liquid held ...
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JP5108771B2 |
The present invention relates to an austenitic stainless steel tube for boiler, used for superheater or reheater in thermal power plant, giving excellent resistance to high temperature steam oxidation, in particular to an austenitic stai...
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JP5100433B2 |
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JP5098205B2 |
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JP5076535B2 |
The carburized component of the present inventions is characterized by having a base metal containing: C: 0.10% to 0.40%; Si: 0.05% to 0.8%; Mn: 0.35% to 1.2%; Cr: 2.0% to 6.0%; and remnant including Fe and inevitable impurities, having ...
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JP5078071B2 |
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JP5072406B2 |
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JP2012214859A |
To provide a spring that has a high compression residual stress layer having improved fatigue resistance and that has increased simplicity of the production process and reduced materials cost, and to provide a method for producing the sp...
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JP5066703B2 |
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JP5067468B2 |
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JP5064135B2 |
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JP5064590B1 |
By giving an appropriate compressive residual stress to a wire material, a compression coil spring having high durability can be provided even using an inexpensive wire material. The present invention provides a compression coil spring f...
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JP5057216B2 |
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JP5057299B2 |
To provide a steel sheet for a strength-inclined member which enables the production of the strength-inclined member with high productivity without requiring joining or quenching by a laser, or the like, and a production method therefor....
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JP5055547B2 |
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JP2012201975A |
To provide an austenitic stainless steel pipe excellent in water vapor oxidation resistance by determining quality of shot processing based on measurement of surface roughness on the inner surface of the pipe.In the austenitic stainless ...
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JP5049133B2 |
A laser energy delivery system includes a relay imaging system. Input optics arranged to receive the laser energy, a transmitting mirror having adjustable angle of incidence relative to the input optics, and a robot mounted optical assem...
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JP2012193394A |
To provide a high face-pressure component which makes soft-solid lubrication powder efficiently adhere to a soft metal membrane having slide performance by performing shot peening by using mixed powder after a steel ball and a soft metal...
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JP5044712B1 |
To provide a steel product excelling in both corrosion resistance and adhesion. A steel product having a nitride layer and a nitrogen diffused layer formed on the surface of a steel base material is provided. The nitride layer includes a...
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JP5039311B2 |
A process for producing a metallic component of a structural member or the like used in an aircraft or automobile or the like, the process including shot peening the surface of a metallic material, wherein the fatigue properties of the m...
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JP5029788B1 |
To provide an austenitic stainless steel which has an excellent high-temperature corrosion thermal fatigue cracking resistance. An austenitic stainless steel containing, by mass%, Cr: 15.0 to 23.0%, and Ni: 6.0 to 20.0%, wherein a near-s...
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JP5020884B2 |
To provide a pulley having improved pitching fatigue characteristic, and a pitching fatigue characteristic improving method. The pulley has improved fatigue characteristic, wherein the residual stress of the surface of a sheave face sati...
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JP5020843B2 |
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