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Matches 201 - 250 out of 3,711

Document Document Title
WO/2012/039882A2
A method of forming a metallic article includes directly and/or indirectly inductively heating a localized region of a metallic article to a forming temperature. The metallic article may comprise materials selected from titanium alloys, ...  
WO/2012/039882A3
A method of forming a metallic article includes directly and/or indirectly inductively heating a localized region of a metallic article to a forming temperature. The metallic article may comprise materials selected from titanium alloys, ...  
WO/2012/025171A1
The invention relates to a method for producing a profiled component (1) having at least one section (8, 9, 10) of elevated hardness and at least one region (4, 6, 7) of unchanged hardness. First a component blank is shaped by means of a...  
WO/2012/019761A8
The invention relates to shaping method for a workpiece (2) using the electroplastic effect, wherein the workpiece (2) is electrically conductive at least in the region (3) to be shaped, short electrical current pulses having an amplitud...  
WO/2012/019761A3
The invention relates to shaping method for a workpiece (2) using the electroplastic effect, wherein the workpiece (2) is electrically conductive at least in the region (3) to be shaped, short electrical current pulses having an amplitud...  
WO/2012/017658A1
The present invention is to provide a method for shot peening for producing a high compressive residual stress in a gas carburized steel that has a soft layer. In this method, a depth where the maximum compressive residual stress is gene...  
WO/2012/018144A1
A spring having excellent fatigue resistance and manufacture method thereof are provided to reduce material costs and simplify the manufacturing process. The spring has components consisting of: C, 0.5-0.7 wt%; Si, 1.0-2.0 wt%; Mn, 0.1-1...  
WO/2012/017656A1
The present invention is to provide a method for shot peening for producing a compressive residual stress that exceeds 60% of the yield strength at 0.2% offset without using stress shot peening. Shot media are peened onto a processed ste...  
WO/2012/016754A1
A needle peening device for locally working the surfaces of components has a support (2, 400) including at least one needle channel (404, 406), in which a needle (7.1) is displaceably guided in a needle direction and delimits a piston ch...  
WO/2012/017749A1
A high-strength spring is provided. A spring (2) disclosed in the present invention comprises a steel layer (12) and a nitride-containing compound layer (14) that is formed on the surface of the steel layer (12). The steel layer (12) con...  
WO/2012/001163A3
The invention relates to a higher-strength, cold-formable steel and to a steel sheet product produced from such a steel, in which an optimal combination of weldability and a low tendency toward delayed cracking as well as good strength a...  
WO/2012/001163A2
The invention relates to a higher-strength, cold-formable steel and to a steel sheet product produced from such a steel, in which an optimal combination of weldability and a low tendency toward delayed cracking as well as good strength a...  
WO/2011/155296A1
Provided is an austenitic stainless steel tube having excellent steam oxidation resistance. The steam oxidation-resistant austenitic stainless steel tube contains, by mass %, 14-28% of Cr, and 6-30% of Ni, and has a region in the metal s...  
WO/2011/151908A1
Provided is a steel pipe for air bags which is reduced in alloy cost and has a tensile strength of 1,000 MPa or higher and a vTrs100 of -80ºC or less. A process for producing the steel pipe is also provided in which the number of soften...  
WO/2011/140897A1
A processing method for a strengthening engine chain is provided. Using the following technical solution, the following steps for strengthening processing are performed, after pretension processing is performed and the chain end product ...  
WO/2011/129179A1
A spring characterized by: having a total composition comprising, in terms of wt%, 0.27-0.48% of C, 0.01-2.2% of Si, 0.30-1.0% of Mn, not more than 0.035% of P, and not more than 0.035% of S, the balance being Fe and inevitable impuritie...  
WO/2011/129921A2
A beam delivery technology for high power laser systems, like laser peening systems, for work pieces which may have compound curvatures, includes placing an optical assembly having a receiving optic, beam formatting optics and a scanner ...  
WO/2011/129921A3
A beam delivery technology for high power laser systems, like laser peening systems, for work pieces which may have compound curvatures, includes placing an optical assembly having a receiving optic, beam formatting optics and a scanner ...  
WO/2011/129401A1
An ultrasonic peening method which, in order to improve the fatigue strength of the weld (3) between a floating building (1) and a structure (2) welded to the floating building (1), applies an impact to the weld (3) by a pin (4) vibrated...  
WO/2011/124846A1
The present invention relates to the treatment of a heater tube intended to be used in a pressurizer of the primary cooling system of a nuclear reactor. In particular, the heater tube comprises a heater (1) housed in a substantially cyli...  
WO/2011/118451A1
In the provided method for producing a spring with a painted surface, the paint baking and low-temperature annealing are combined, and the time for said treatment is shortened. The production method has a heating step (S12) for heating t...  
WO/2011/092831A1
Disclosed is a shot apparatus and method for improving the fatigue characteristics of a welded joint, the shot apparatus and method being capable of causing the tip of a shot pin (3) which moves in the weld line direction to autonomously...  
WO/2011/081394A3
The present invention relates to a hot press forming process of plated steel and hot press formed articles using the same, in which the hot press forming process of plated steel is capable of suppressing the volatilization of a plated la...  
WO/2011/081236A1
The present invention relates to a quenched steel sheet having excellent hot press formability, and to a method for manufacturing same. The quenched steel sheet according to the present invention comprises: at least one element selected ...  
WO/2011/081394A2
The present invention relates to a hot press forming process of plated steel and hot press formed articles using the same, in which the hot press forming process of plated steel is capable of suppressing the volatilization of a plated la...  
WO/2011/078165A1
Provided is a spring steel that contains 0.15-0.40% carbon, 1-3.5% silicon, 0.20-2.0% manganese, 0.05-1.20% chromium, at most 0.030% phosphorus, at most 0.02% sulfur, and at least one of the following: 0.005-0.10% titanium, 0.005-0.05% n...  
WO/2011/074600A1
Disclosed is steel for a leaf spring with high fatigue strength, which contains, in mass%, 0.40-0.54% of C, 0.40-0.90% of Si, 0.40-1.20% of Mn, 0.70-1.50% of Cr, 0.070-0.150% of Ti, 0.0005-0.0050% of B and 0.0100% or less of N, with the ...  
WO/2011/069906A3
The invention relates to a method by means of which an easily deformable flat steel product having a carbon content of 0.1-0.4 wt % can be produced in a cost-effective manner. To this end, according to the invention, an annealing treatme...  
WO/2011/070063A1
The invention relates to a device for the autofrettage of workpieces (3), comprising a circumferentially closed housing (2) having an inner face (25) for receiving the workpiece (3), at least one sealing element (4) for closing an openin...  
WO/2011/066126A1
A method for making a metal structure comprising: (i) selectively grit-blasting a part of a major surface of the metal sheet at a temperature lower than the annealing temperature of the metal sheet to impart a stress in the metal sheet; ...  
WO/2011/061001A1
An apparatus for pre-stressing a component, the apparatus comprises means to direct a beam of radiation in a path through a medium adjacent to the component between a pair of electrodes to produce ionisation in the path through the mediu...  
WO/2011/054571A1
The invention relates to a process for producing A steel strip having a cathodic anti-corrosion coating, wherein the steel strip is hot-rolled and then cold-rolled, wherein the steel strip is subjected to electrolytic galvanizing and, fo...  
WO/2011/055848A1
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 < Ri + 1 ≤ 2Ri, w...  
WO/2011/039419A3
The invention relates to a method for increasing the natural frequency of a steel plate component (2), whereby a displacement of the steel plate component in the plane it forms is at least partly prevented in its at least one specific re...  
WO/2011/039419A2
The invention relates to a method for increasing the natural frequency of a steel plate component (2), whereby a displacement of the steel plate component in the plane it forms is at least partly prevented in its at least one specific re...  
WO/2011/040243A1
Provided is a method for performing shot peening (hereinafter abbreviated as "SP") on a treatment surface of a work piece which is a steel product that was subjected to heat hardening, the aforementioned method being such that it is poss...  
WO/2011/037759A2
A process for reducing flatness deviations in an alloy article is disclosed. An alloy article may be heated to a first temperature at least as great as a martensitic transformation start temperature of the alloy. A mechanical force may b...  
WO/2011/037759A3
A process for reducing flatness deviations in an alloy article is disclosed. An alloy article may be heated to a first temperature at least as great as a martensitic transformation start temperature of the alloy. A mechanical force may b...  
WO/2011/030827A1
Disclosed is a process for producing a carbonitrided member using a base steel material comprising (in mass%) 0.10 to 0.35% of C, 0.15 to 1.0% of Si, 0.30 to 1.0% of Mn, 0.40 to 2.0% of Cr, 0.05% or less of S, and optionally 0.50% or les...  
WO/2011/024792A1
Provided is a method for manufacturing a mechanical part (7) which has a rolling portion (6) on which a rolling element rolls and which is excellent in rolling fatigue life. An annular blank (2) to form the rolling portion (6) is subject...  
WO/2011/010664A1
Disclosed is a method for heat-treating a ring-shaped member, which makes it possible to form a quench-hardened region having a uniform annular shape in the circumferential direction, while the production costs in terms of the quenching ...  
WO/2010/150450A1
Provided is a steel wire containing, by mass, 0.7–1.2% carbon, 0.05–2.0% silicon, and 0.2–2.0% manganese, with the remainder comprising iron and unavoidable impurities. Said steel wire has a pearlite structure, a mean carbon concen...  
WO/2010/146898A1
A spring wire (20) having a hardness of 50 to 56 HRC is subjected to a first shot-peening step (S6) and a second shot-peening step (S7) in a temperature range from 150 to 350°C. At the first shot-peening step (S6), a first shot having a...  
WO/2010/140521A1
Provided is a tyre bead wire which can be produced by using a carbon steel wire rod having a diameter equivalent to that of a general-purpose steel wire rod and a carbon content of 0.61 to 0.65wt% and drawing the carbon steel wire rod in...  
WO/2010/136010A1
The invention relates to a method for surface hardening a component (10), particularly an aircraft construction component, wherein a force is applied to the surface (12) of the component (10), which is made of an intermetallic compound a...  
WO/2010/137607A1
Provided is a carburized component having excellent fatigue strength in the "low-to-mid-cycle regime." Said carburized component comprises a steel having a chemical composition as follows: the base steel contains 0.15–0.25% carbon, 0.0...  
WO/2010/131754A1
Provided is a hollow seamless pipe for high-strength springs. In the hollow seamless pipe, the decarburization in the inner and outer peripheral surfaces is extremely reduced, so that the outer and inner peripheral surface layers can be ...  
WO/2010/127837A3
The invention relates to a heat treatment device (1), optionally with a downstream hot-forming device (15), comprising at least a first heat station (12), a second downstream heat station (12), optionally one or more further downstream h...  
WO/2010/119179A3
The invention relates to a method for preparing a lining element of a grinding mill from a metallic material, in which method a metal preform is hot worked to a working degree of at least 3, and the hot working is carried out in at least...  
WO/2010/103772A1
A process for producing a common rail comprising a common-rail main body and a holder therefor, the main body and the holder containing, as chemical components, 0.01-0.3 mass% carbon, 0.01-0.5 mass% silicon, 0.01-3.0 mass% manganese, 0.0...  

Matches 201 - 250 out of 3,711