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Matches 1,051 - 1,100 out of 2,964

Document Document Title
JP5258458B2  
JP5250609B2
A steel for high-strength spring has an Ac 3 transformation temperature as an indicator of the decarburization performance, which is calculated by Equation (1) below, is from 859 to 885°C, a maximum hardened diameter DI as an indicator ...  
JP5252112B1
To significantly improve the fatigue strength of a welded joint by peening the welded structure after welding with a simple tool and introducing compressive residual stress. To provide. This is a peening construction method in which a pe...  
JP5240971B2  
JP5237032B2  
JP5231266B2
Provided is an outer member of a constant velocity universal joint, which suppresses occurrence of cracking in a joining portion of the constant velocity universal joint and has stable quality. The outer member of the constant velocity u...  
JP5225596B2  
JP5207805B2  
JP5208070B2  
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...  
JP5198765B2  
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...  
JP5192205B2  
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...  
JP5189351B2  
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...  
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...  
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...  
JP5187680B2  
JP5176634B2  
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-...  
JP5171088B2  
JP5172191B2  
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...  
JP5158272B2  
JP5159516B2  
JP5158271B2  
JP5151597B2  
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...  
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 ...  
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...  
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...  
JP5130707B2  
JP5124947B2  
JP5121282B2  
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 ...  
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...  
JP5100433B2  
JP5098205B2  
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 ...  
JP5078071B2  
JP5072406B2  
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...  
JP5066703B2  
JP5067468B2  
JP5064135B2  
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...  
JP5057216B2  
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....  
JP5055547B2  

Matches 1,051 - 1,100 out of 2,964