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Matches 601 - 650 out of 3,472

Document Document Title
JP5393280B2  
JP5392099B2  
JP5381171B2  
JP5385574B2  
JP5381045B2  
JP5375476B2  
JP5379511B2  
JP5378512B2  
JP2013245782A
To set a roughness shape to simultaneously satisfy two properties, prevention of oil film formation and restraining of abrasion, required for a part while reducing control burden when controlling the sheave-surface roughness shape of an ...  
JP2013241961A
To provide a gear manufacturing method capable of obtaining strength improvement effect of a tooth flank, and a gear.A gear manufacturing method includes a gear forming process for forming a gear and a surface modification treatment proc...  
JP5361098B1  
JP5360253B2  
JP5355891B2  
JP5353760B2  
JP5355905B2  
JP2013233589A
To provide a peening method which improves fatigue strength by introducing compressive residual stress without giving deformation causing another stress concentrating part to a welding part, and is suitable for applying a steel structure...  
JP2013233590A
To provide a welded joint which has improved fatigue strength by introducing compressive residual stress without giving deformation causing another stress concentrating part to a welding part, and is suitable for applying a steel structu...  
JP5344021B2  
JP2013230536A
To provide a surface treatment method capable of smoothing a surface itself of a metal member on which a nanocarbon film is formed, and reliably fixing the nanocarbon film to the surface of the metal member.In a surface treatment method ...  
JP5341971B2  
JP5333118B2  
JP5328898B2  
JP5328785B2  
JP5327567B1  
JP2013220509A
To provide a shot peening method capable of excellently improving the tooth flank fatigue strength of a gear material, and to provide a gear material using the same.In a shot peening method, a shot material having a granular diameter wit...  
JP5325432B2  
JP2013213260A
To provide a surface treatment method of a gear, capable of improving the conformability of a tooth surface after being subjected to a treatment in which the tooth surface of a gear is highly hardened.A surface treatment method of a gear...  
JP5316298B2  
JP2013204103A
To provide a high strength steel pipe of API X100 grade, superior in buckling resistance and toughness at low temperatures after coating treatment, a method for producing the high strength steel pipe, and a method for producing a steel s...  
JP2013202670A
To provide an easy method for improving simultaneously both tensile strength and fracture toughness of high-strength ferrite/martensitic steel in a low temperature region.A method includes: a first step of enhancing tensile strength of a...  
JP5307684B2  
JP5305123B2  
JP5306795B2  
JP2013189692A
To provide a method for producing a steel material which produces a steel material having high strength and high ductility.Parent materials 1a and 1b for a steel material are heated to at least AC1 point, which is the temperature at whic...  
JP5296186B2  
JP5296955B2  
JP5288689B2  
JP5284555B2  
JP5283180B2  
JP2013170305A
To provide a simple method for determining chemical conversion treatability of steel, and a method for producing steel excellent in chemical conversion treatability utilizing the same.Target steel is immersed in a chemical solution (chem...  
JP2013169580A
To prevent concentration of stress from occurring on an area that has had a weld toe by performing an ultrasonic impact treatment.An after-shock shaft center contact portion/R2 end distance A as a horizontal distance between a contact po...  
JP2013159802A
To provide a coil spring which achieves the reduction in material cost and the simplification of a production process without lowering a yield rate and is excellent in fatigue resistance.A coil spring has a composition comprising, by mas...  
JP2013155431A
To provide a high-strength high-ductility iron alloy.This iron alloy comprises Ni, Al, C and the balance being Fe and unavoidable impurities. In the iron alloy, Fe, Ni and Al are within a composition range yielding average valence electr...  
JP2013154697A
To provide a wheel bearing device with enhanced fatigue strength and durability by removing a decarburized layer formed between a gear part and a spline part, formed by heat treatment of an inner wheel, and to provide a method for manufa...  
JP5260410B2  
JP5264165B2  
JP5264756B2  
JP5258458B2  
JP5250609B2  
JP5252112B1  

Matches 601 - 650 out of 3,472