| Document |
Document Title |
|
JP4474729B2 |
To provide a resistance welded steel tube for structural use, suitably used for automobile structural member, under carriage member, or the like, and particularly excellent in workability at hydroforming (hydroformability) and reduced in...
|
|
JP4474730B2 |
|
|
JP2010116931A |
To provide a manufacturing method for a retainer for a bearing, capable of improving the circularity of the retainer.The manufacturing method for the retainer for the bearing includes a shot peening process for improving the circularity ...
|
|
JP2010101412A |
To provide an engaging device capable of increasing transmission torque capacity and reducing dragging loss.This engaging device includes a drive wheel 2 and a driven wheel 3 that are coaxially and relatively rotatable, a clearance 5 for...
|
|
JP4449691B2 |
|
|
JP4448789B2 |
To provide a residual stress improving method of efficiently generating cavitations in a material surface when a WJP (water-jet peening) is applied to the material surface, and a device for use in the method, and to provide a residual st...
|
|
JP4441371B2 |
To provide a gear having superior gear characteristics and its fatigue characteristics improving method. In this gear having superior fatigue characteristics and its fatigue characteristics improving method, residual stress on a dedendum...
|
|
JP4443910B2 |
The present invention provides a steel having excellent formability, fatigue endurance after quenching, low temperature toughness, resistance for hydrogen embrittlement, and corrosion fatigue endurance. Resolving means includes heating a...
|
|
JP4441166B2 |
A metal structure product excelling in resistance to cracking as experienced by metal structure products under stress loading disposed in corrosive environment, namely, environmental cracking; and a method of enhancing the environmental ...
|
|
JP4441641B1 |
To be applicable to a fatigue crack in a very early stage generated in a steel structure, to repair the fatigue crack easily and inexpensively, and to stop the growth of the fatigue crack. Alternatively, a fatigue crack repair method cap...
|
|
JP4436763B2 |
|
|
JP4436225B2 |
|
|
JP4416861B2 |
To enhance pressure-resistance and life by improving a quenching hardening processing of a gear surface made of a steel material. An outline high frequency quenching processing is applied to a gear manufactured by a machine processing to...
|
|
JP4417961B2 |
Inner sides (8, 9) of the casings (6, 7) on each side of the rotation axis (15) of the split-pin crankshaft (5), and radially spaced from it, have extension sections (26, 27). These extend in the direction of the rolling force (12), to b...
|
|
JP2010032025A |
To provide means for dispensing with a run-in of a planetary roller screw device.The planetary roller screw device 1 includes a central screw shaft 2 having a shaft thread 3 formed on an outer peripheral surface, a cylindrical nut 4 havi...
|
|
JP4408170B2 |
|
|
JP4401816B2 |
This invention is to provide a metatstable austenitic stainless steel strip for metal domes which has high strength and is improved in fatigue properties under high stress by improving the working history of a material. This metastable a...
|
|
JP4399954B2 |
To provide a resistance welded steel tube excellent in hydroformability. A hot rolled or cold rolled hoop stock, having a composition which consists of, by mass, 0.001-<0.01% C, <=1.0% Si, <=2.0% Mn, <=0.15% P, <=0.015% S, 0.01-0.10% Al,...
|
|
JP2010007096A |
To economically manufacture a steel plate superior in laser cutting properties with high efficiency, without adding a large amount of an alloying element to the plate and without employing a special and inefficient manufacturing process....
|
|
JP2010005638A |
To provide a method of manufacturing by which steel for cold forging excellent in the dimensional accuracy and the smoothness of a surface is easily obtained.This manufacturing equipment includes ladles 2, a casting apparatus 4, a bloomi...
|
|
JP2010000543A |
To provide a method for suppressing the generation of stress corrosion cracking which improves the factor of stress corrosion cracking generation for improving the stress corrosion cracking resistance of piping and allowing the piping to...
|
|
JP4392405B2 |
|
|
JP4390526B2 |
There is provided an inexpensive rolling element used under high interface pressure such as induction hardened gears, the rolling element being improved in the seizure resistance of its tooth flanks and having a temper hardness of HRC 50...
|
|
JP4379315B2 |
|
|
JP2009280895A |
To secure a method for performing hot dip zinc-aluminum-based alloy plating in the air, and to put the same to practical use using furnaces free from the generation of dross.Using two furnaces free from the generation of dross, hot dip g...
|
|
JP4374306B2 |
To provide a connecting rod having excellent fatigue characteristics and a method for improving fatigue strength thereof. The connecting rod with excellent fatigue characteristics is composed of steel of ≥700 MPa tensile strength havin...
|
|
JP2009270150A |
To provide a method for manufacturing a coil spring which can stably show high fatigue characteristics.The method for manufacturing the coil spring includes: a forming step of forming the coil spring by employing an oil-tempered alloy-st...
|
|
JP4361916B2 |
A method for strengthening a surface of a metal member. The method includes the following steps in the sequence set forth: (a) coating the surface of the metal member with a carbon-based film having a thickness of not smaller than 0.2 µ...
|
|
JP2009249807A |
To provide a method for production of a machinery component durable to a high mechanical load with at least one pass-through opening 1, especially by improving a suction roll sleeve on a paper machine, and to reduce or prevent fissure ge...
|
|
JP4351427B2 |
|
|
JP4351433B2 |
|
|
JP2009236244A |
To improve fatigue life of a gear in a gear treatment method.In this gear treatment method, a shot peening is applied to at least one tooth flank of a first gear and a second gear after they are hardened by a thermal process, engaged wit...
|
|
JP2009210285A |
To provide a reactor apparatus and its surface modification method capable of preventing surely beforehand generation of an SCC damage form by improving simultaneously a material factor and a stress factor for SCC generation prevention i...
|
|
JP4331300B2 |
A manufacturing method for a hollow stabilizer comprises a primary pipe manufacturing process (S1) for subjecting a seam-welded pipe to continuous hot reduction working, thereby obtaining a primary pipe (20a), and winding the primary pip...
|
|
JP4330306B2 |
|
|
JP2009203524A |
To provide the hardening method of a machine component for efficiently removing an oxide film at the point of time of completion of the heat treatment without adding any exclusive apparatus for jetting solid particles or any new process....
|
|
JP4328719B2 |
A ferritic chromium steel comprising, by weight-%, 0.03 to 0.1% of carbon, 0.2 to 0.9% of silicon, 0.3 to 1% of manganese, 13 to 20% of chromium, up to 0.5% of nickel, 0.1 to 1.5% of molybdenum, 0.1 to 0.5% of copper, 0.03 to 0.05% of ni...
|
|
JP4325277B2 |
A hot press-formed member having stable strength and toughness is manufactured from a high strength steel sheet by hot press forming. In the cooling stage during hot press forming, the cooling rate is at least the critical cooling rate u...
|
|
JP4319829B2 |
|
|
JP4319987B2 |
To produce a metallic shaped part (1), in particular a vehicle body part, from a semifinished product (2) made of an unhardened hot-workable steel sheet, first of all the semifinished product (2) is formed by a cold-forming method, in pa...
|
|
JP4319828B2 |
A method of increasing the strength of a cold worked part by an ultrasonic shock treatment, characterized by comprising the step of applying the ultrasonic shock treatment to the tensile side surface of the cold bending worked part of a ...
|
|
JP4319830B2 |
|
|
JP4311639B2 |
A metallic bellows, composed of precipitation hardening stainless steel, includes ridge portions and valley portions formed alternately and continuously, an average grain size of 10 to 15 mu m, and compressive residual stress of not less...
|
|
JP4306860B2 |
|
|
JP2009166641A |
To provide members for a railway, i.e. wheels and rails for a railway, capable of surely preventing the wheels from riding over or sliding over the rails while highly maintaining a wear resistant characteristic.A plurality of recessed pa...
|
|
JP4304245B2 |
The present invention concerns compacted and optionally presintered bodies, which are prepared from metal powders and which have densified surfaces, obtained by shot peening or rolling.
|
|
JP4301525B2 |
|
|
JP4301416B2 |
|
|
JP4299758B2 |
To provide a high strength bolt having satisfactory delayed fracture resistance and having a strength of ≥1,500 MPa, and to provide a method for improving its delayed fracture resistance. The high strength bolt having excellent delayed...
|
|
JP2006502862T5 |
|
