Class / Patent application number | Description | Number of patent applications / Date published |
148508000 | With measuring, testing, or sensing | 51 |
20090014099 | Rail manufacturing method - A rail manufacturing method is provided, in which a billet is hot-rolled into a rail form and the rail is cooled to ambient temperature. The foot part of the rail can be mechanically restrained to improve the straightness of the rail during at least the period of cooling where the surface temperature is between 800° C. and 400° C. In the subsequent cooling process, at least while the surface temperature of the foot of the rail is between 400° C. and 250° C., the rail is kept in an upright state, and cooled naturally without using insulation or accelerated cooling. | 01-15-2009 |
20090126835 | QUENCHING METHODS AND APPARATUS - One or more of the following quenching methods and apparatus: a quenching press for quenching a steel ring, a method of quenching a steel ring, a corresponding set of quenching dies for quenching steel rings, a die handling tool and related method to lift the corresponding set of quenching dies, and a die handling apparatus to load and unload dies to a quenching press. | 05-21-2009 |
20090242083 | IRON-BASED ALLOY HAVING SHAPE MEMORY PROPERTIES AND SUPERELASTICITY AND ITS PRODUCTION METHOD - An iron-based alloy having shape memory properties and superelasticity, which has a composition comprising 25-35% by mass of Ni, 13-25% by mass of Co, 2-8% by mass of Al, and 1-20% by mass in total of at least one selected from the group consisting of 1-5% by mass of Ti, 2-10% by mass of Nb and 3-20% by mass of Ta, the balance being substantially Fe and inevitable impurities, and a recrystallization texture substantially comprising a γ phase and a γ′ phase, particular crystal orientations of the γ phase being aligned, and the difference between a reverse transformation-finishing temperature and a martensitic transformation-starting temperature being 100° C. or less in the thermal hysteresis of martensitic transformation and reverse transformation. | 10-01-2009 |
20100006187 | METHOD FOR SURFACE STABILIZING METAL COMPONENTS - The invention relates to a method for the strengthening of the surface of a structural component with the aid of laser shock processing in which a coating applied to a metallic surface of the component to be strengthened is decomposed with the aid of a laser beam provided by a processing laser through evaporation or pyrolysis under creation of a plasma in such a way that a shock wave induced by interaction of the plasma with the metallic surface deforms the surface plastically and with the laser shock processing being monitored by means of recording light emission values of the plasma. In accordance with the invention, the light emission values are recorded with the aid of a measuring laser in time-delayed fashion relative to the decomposition of the coating with the aid of the processing laser. | 01-14-2010 |
20100193085 | SEAMLESS STEEL PIPE FOR USE AS VERTICAL WORK-OVER SECTIONS - The present invention describes a seamless steel tube for work-over risers comprising in weight percent, carbon 0.23-0.29, manganese 0.45-0.65, silicon 0.15-0.35, chromium 0.90-1.20, molybdenum 0.70-0.90, nickel 0.20 max, nitrogen 0.010 max, boron 0.0010-0.0030, aluminum 0.010-0.045, sulfur 0.005 max, phosphorus 0.015 max, titanium 0.005-0.030, niobium 0.020-0.035, copper 0.15 max, arsenic 0.020 max, calcium 0.0040 max, tin 0.020 max, hydrogen 2.4 ppm max, the rest are iron and inevitable impurities, consisting of a geometry in which ends of the tube have an increased wall thickness and outer diameter and having a yield strength of at least of 620 MPa (90 ksi) throughout the whole length of a tube body and in tube ends. The present invention also describes methods for manufacturing a seamless steel tube for work-over risers having a yield strength at least of 620 MPa (90 ksi) both in a tube body and in tube ends. | 08-05-2010 |
20110073219 | METHOD FOR IMPROVING RESIDUAL STRESS IN PIPE AND APPARATUS - An method for converting tensile residual stress on an inner surface of a welded part of a pipe to compressive residual stress with use of ice plugs formed by cooling the pipe from the outer surface, comprises the steps of: placing refrigerant containers for forming the ice plugs in the upstream and downstream of a butt-welded part; cooling the outer surface of the pipe to form the ice plugs; and then cooling the outer surface of the pipe with use of at least one refrigerant container for expanding the pipe arranged between the refrigerant containers for forming the ice plugs. When the method is applied to a pipe with a large inside diameter, the method comprises forming the ice plugs at a curved pipe, an elbow or a branch pipe in the upstream and downstream of the butt-welded part. | 03-31-2011 |
20110240177 | DEVICE AND METHOD FOR HARDENING METALLIC WORK PIECES - A device and to a corresponding method for partially hardening a metallic work piece, in which the work piece is transported in a continuous furnace along a conveying direction by means of a conveyor and partially heated by means of a heating device. It is proposed that the heating device generates at least one heating zone that is moved in the conveying direction together with the work piece. | 10-06-2011 |
20110247729 | METHOD FOR IMPROVING RESIDUAL STRESS IN PIPE AND METHOD FOR CONSTRUCTION MANAGEMENT - A method for improving a residual stress in a pipe includes improving the residual stress in the inner surface to the compressive direction by rapid cooling of the inner surface after heating of the pipe. The heating is to heat a vicinity of a welded part of the pipe from the outer surface to raise the temperature to a construction temperature. The rapid cooling is to rapidly cool the inner surface in the vicinity of the welded part by supplying cooling water into the pipe. The heating and the rapid cooling are repeated twice or more. A method for construction management includes determining whether construction has been executed properly based on a maximum value of a lowering rate of an outer surface temperature of the pipe when the cooling water is supplied for the rapid cooling of the inner surface and a thickness of the pipe in a measuring position of the outer surface temperature. | 10-13-2011 |
20120000577 | PROCESS FOR PRODUCING A SINGLE-CRYSTAL COMPONENT MADE OF A NICKEL-BASED SUPERALLOY - In a process for producing a large single-crystal component or directionally solidified component made of a nickel-based superalloy, the component is first cast into shape in a known manner to form a microstructure comprising dendrites, and then solution annealing for homogenizing the cast microstructure of the component and two-stage precipitation heat treatment are carried out. In order to avoid chemical inhomogeneities and internal stresses caused thereby, a HIP process with a pressure of higher than 160 MPa is carried out following the solution annealing. | 01-05-2012 |
20120080123 | Mechanical Components From Highly Recoverable, Low Apparent Modulus Materials - A shape memory alloy for use as a mechanical component is formed of an intermetallic material having a low apparent modulus and a high hardness. The intermetallic material is conditioned to have a stable, superelastic response without irrecoverable deformation while exhibiting strains of at least 3%. The method of conditioning the intermetallic material is described. Another embodiment relates to lightweight materials known as ordered intermetallics that perform well in sliding wear applications using conventional liquid lubricants and are therefore suitable for high performance mechanical components such as gears and bearings. | 04-05-2012 |
20120175025 | ACTIVELY DAMPED TENSION MEMBER - A system and method for actively damping tension members modulates the natural frequency of shape memory alloys incorporated into tension members, such as suspension ropes or cables. The frequency of the tension member can be modulated by heating the shape memory alloy, such modulation preventing potentially destructive resonance with natural exciting forces. | 07-12-2012 |
20120211126 | METHOD OF INDUCTION HEATING AND QUENCHING - An induction hardening heat treatment method comprises the steps of induction heating a metal part or component, particularly a part fabricated of a high strength material, and then exposing the part to a sequence or series of partial, intermittent or interrupted quenches. Such intermittent or interrupted quenching achieves the necessary change in surface temperature with time to achieve a martensitic transformation of the surface adjacent metal or material while minimizing surface to core temperature differentials during the process which could result in cracking of the part, especially if it is fabricated of high strength materials. | 08-23-2012 |
20130014860 | Method for manufacturing melt-spinning alloys and apparatus thereofAANM Li; HongweiAACI BeijingAACO CNAAGP Li; Hongwei Beijing CNAANM Yu; DunboAACI BeijingAACO CNAAGP Yu; Dunbo Beijing CNAANM Luo; YangAACI BeijingAACO CNAAGP Luo; Yang Beijing CNAANM Li; KuosheAACI BeijingAACO CNAAGP Li; Kuoshe Beijing CNAANM Li; ShipengAACI BeijingAACO CNAAGP Li; Shipeng Beijing CNAANM Wang; MinAACI BeijingAACO CNAAGP Wang; Min Beijing CNAANM Yuan; YongqiangAACI BeijingAACO CNAAGP Yuan; Yongqiang Beijing CN - The application provides a method for manufacturing melt-spinning alloys and an apparatus thereof, which belongs to the technical field of metal materials and preparation thereof. The main feature of method including steps of melting alloy and jetting the molten alloy for rapid-quenching is that alloy melting and rapid-quenching are respectively implemented in independent environments, and the pressure of the two environments can be adjusted separately. The method can realize uniformity control of rapid-quenching velocity by controlling the melting and quenching pressure respectively, which has the advantages of increased rapid-quenching cooling rate, improved melt-spinning alloys thickness uniformity, reduced probability of nozzle clogging. | 01-17-2013 |
20130160900 | SHAPE MEMORY STAINLESS STEELS WITH RARE EARTH ELEMENTS Ce AND La - Shape memory stainless steels with rare earth elements Cerium (Ce) and Lanthanum (La) are disclosed. In one embodiment, raw materials including Manganese (Mn), Silicon (Si), Chromium (Cr), Nickel (Ni), Carbon (C), Ce, La and Iron (Fe) are melted to form a molten alloy of the shape memory stainless steels with rare earth elements Ce and La. Further, the molten alloy is solidified to form an ingot. Furthermore, the ingot is subjected to nondestructive evaluation to assess internal soundness of the ingot. In addition, the evaluated ingot is homogenized to form homogenized shape memory stainless steels with rare earth elements Ce and La. | 06-27-2013 |
20140007985 | INDIRECT PROCESS CONDITION MONITORING - Disclosed is a method of controlling the production of a bulk-solidifying amorphous alloy by providing a set point control system, run in conjunction with a continuous smart feedback process control system that continuously monitors the processing conditions during manufacture, and continuously updates the smart feedback control system thereby enabling the control system to learn as the process is running. | 01-09-2014 |
20140090753 | METHOD FOR SOLUTION HEAT TREATED ALLOY COMPONENTS - A method for adjusting properties of components made of an alloy includes providing historical data for one or more properties of components made of an alloy and produced at different times. The components are solution heat treated at a pre-established solution heat treatment condition. A trending change in the one or more properties is then identified and test specimens made of the alloy are provided. The test specimens are divided into a plurality of groups and solution heat treated at different conditions. The test specimens are then mechanically tested to provide empirical data. The empirical data is compared to performance criteria and a solution heat treatment condition is identified over which the empirical data meets the performance criteria. The pre-established solution heat treatment condition is then adjusted for future ones of the plurality of components according to the identified solution heat treatment condition. | 04-03-2014 |
20150007912 | METHOD FOR MANUFACTURING FERROUS MATERIAL - A base material of a ferrous material is heated to an A | 01-08-2015 |
20150013851 | CONTINUOUS ANNEALING FURNACE AND CONTINUOUS ANNEALING METHOD FOR STEEL STRIPS - The invention provides a vertical annealing furnace including a heating zone and a soaking zone without any partition wall therebetween. The furnace has furnace-to-refiner gas suction openings disposed in a lower portion of a joint between the soaking zone and a cooling zone and in the heating zone and/or the soaking zone except a region extending 6 m in a vertical direction and 3 m in a furnace length direction both from a steel strip inlet at a lower portion of the heating zone. The furnace has refiner-to-furnace gas ejection openings disposed in a region in the joint between the soaking zone and the cooling zone, the region being located above the pass line in the joint, and in a region in the heating zone located above 2 m below the center of upper hearth rolls in the vertical direction. | 01-15-2015 |
20150107726 | COPPER ALLOY WITH HIGH STRENGTH AND EXCELLENT PROCESSABILITY IN BENDING AND PROCESS FOR PRODUCING COPPER ALLOY SHEET - The present invention provides a Cu—Fe—P alloy which has a high strength, high conductivity and superior bending workability. The copper alloy comprises 0.01 to 1.0% Fe, 0.01 to 0.4% P, 0.1 to 1.0% Mg, and the remainder Cu and unavoidable impurities. The size of oxides and precipitates including Mg in the copper alloy is controlled so that the ratio of the amount of Mg measured by a specified measurement method in the extracted residue by a specified extracted residue method to the Mg content in said copper alloy is 60% or less, thus endowing the alloy with a high strength and superior bending workability. | 04-23-2015 |
20150300993 | ULTRASONIC INSPECTION - One embodiment provides a method comprising: providing a sample comprising a bulk amorphous alloy; scanning ultrasonically at least a portion of the sample to determine a parameter of the sample in the portion; and comparing the parameter to a predetermined standard to derive a property related to the sample. | 10-22-2015 |
20150345001 | DISCOLORATION-RESISTANT GOLD ALLOY - Alloy for the manufacturing of jewels or clock components with minimum concentrations of gold of 75 wt %, of copper between 5% and 21%, of silver between 0% and 21%, of iron between 0.5% and 4% and vanadium between 0.1% and 2.0%, intended to increase the tarnishing-resistance of alloys with a minimum content of gold of 75 wt % under environments in which sulphur- and chlorine-compounds are present. | 12-03-2015 |
20150368733 | Method for repairing break of universal connecting rod of universal coupling - A method for repairing break of a universal connecting rod of a universal coupling includes steps of: cleaning and detecting cracks, providing primary anneal, depositing alloys, providing secondary anneal, manually milling and controlling a quality; wherein depositing the alloys includes forming gradient in an order of a bonding layer, a transition layer, a working layer and a processing layer; wherein the bonding layer: S and P in the depositing area are diluted with an FGM-KM1 | 12-24-2015 |
20150368735 | METHOD FOR INDUCTION SURFACE HARDENING OF A RING SURFACE - The invention relates to a method for the induction surface hardening of a ring surface of a workpiece, the ring surface and a hardening device having an induction coil being moved relative to one another in a treatment direction in a feed mode. A sprinkler is located downstream of the induction coil when seen in the direction of treatment and serves to heat the ring surface, starting from an initial zone to a final zone, by means of the induction coil and then to harden it by cooling the ring surface by means of the sprinkler, an unhardened soft zone being provided between the initial zone and the end zone. According to the invention, the supplementary induction coil, the induction coil and the sprinkler are activated and deactivated separately from one another at the start of the hardening process and at the end of the hardening process, respectively, the speed between the hardening device and the workpiece and/or the power supplied to the supplementary induction coil and the induction coil being varied at the same time. | 12-24-2015 |
20150376758 | Method for the Hot-Dip Coating of Metal Strip, in Particular Steel Strip - A method for the hot-dip coating of metal strip, in particular steel strip, in a metallic melting bath ( | 12-31-2015 |
20160008861 | COOLING OF A METAL STRIP USING A POSITION-CONTROLLED VALVE DEVICE | 01-14-2016 |
20160024623 | HIGH STRENGTH NODULAR CAST IRON POLE AND PREPARATION TECHNOLOGY THEREOF - The invention discloses a high strength nodular cast iron pole and a preparation technology thereof. The preparation technology is characterized by comprising the following steps: (1) preparation before pole casting, to be specific, preparation of raw materials, smelting of iron, adding of alloying elements and nodulizing; (2) a pole casting procedure, to be specific, casting and inoculation treatment; and (3) heat treatment. The invention also provides the high strength nodular cast iron pole prepared by adopting the preparation technology, comprising multiple tower poles which are sequentially connected in an inserted manner, wherein each tower pole is a cone-frustum hollow column which has the conicity of 1000: 11-26; the top end of the high strength nodular cast iron pole is equipped with a tower cap. The high strength nodular cast iron pole has the advantages of high bearing capacity, thin wall thickness, light weight, low manufacturing cost and the like. | 01-28-2016 |
20160083821 | STEEL MATERIAL, MATERIAL PROCESSING METHOD, AND MATERIAL PROCESSING APPARATUS - Disclosed herein is a technique to reduce the residual stress of a steel material while improving the mechanical property and the corrosion resistance of the material. A steel material is provided that includes a plurality of ferrite crystal grains, and a laminar iron-rich phase formed at unidirectionally occurring grain boundaries of all grain boundaries of the ferrite crystal grains. A material processing method is provided that includes: heating a steel material that contains a plurality of ferrite crystal grains; applying a magnetic field to a heated portion while heating the steel material; applying an electric field to the heated portion in a direction that crosses the direction of the applied magnetic field while heating the steel material; and measuring a displacement occurring in the steel material under the magnetic field and the electric field. | 03-24-2016 |
20160090642 | METHOD AND SYSTEM FOR VICTOR NOISE REDUCTION - A non-destructive test using cryogenic temperatures is capable of detecting defects in materials that result from residual stress from manufacturing and from retained austenite. The cryogenic process significantly reduced the material noise responses in eddy currents such that the remaining indications can be evaluated. The Victor Noise Reduction (VNR) process successfully reduces the eddy current signal response noise generated by minute discontinuities in the material of the bolts, resulting in an improved signal-to-noise ratio and hence in an improved response evaluation. | 03-31-2016 |
20160123671 | FURNACE MUFFLE FOR AN ANNEALING FURNACE - A furnace muffle for an annealing furnace, the furnace muffle including a base body arranged to delimit a volume to be heated, at least one actuator connected to the base body in such a manner that the actuator, during the operation of the furnace muffle, can exert a force on the base body, at least one sensor arranged to detect a force exerted by the base body during the heating or cooling and/or a change in a length of the base body during the heating or cooling, and a control device connected to the actuator and the sensor, which is arranged so that during the operation of the furnace muffle, it controls the force exerted on the base body as a function of the force or change in length detected by the sensor. | 05-05-2016 |
148510000 | Change in dimension (e.g., expansion, elongation, distortion, etc.) | 6 |
20100024924 | RECOVERY HEAT TREATMENT TO IMPROVE FORMABILITY OF MAGNESIUM ALLOYS - The formability of coiled and annealed (O-temper) magnesium alloy sheet material in high temperature forming operations is sometimes adversely affected by small amounts of cold work introduced into the fine grained material during handling of the coil and unwinding it to obtain blank workpieces for hot stamping, hot blow forming, or the like. When necessary, the formability of the sheet material with regions of hard worked microstructure may be improved by predetermining a recovery heat treatment using small portions of the material in formability tests. The recovery heat treatment, determined for the specific coiled stock, may then be applied to the material of the coil as it is used in making vehicle body panels or the like. | 02-04-2010 |
20110240178 | Al-Mg-Si ALUMINUM ALLOY EXTRUDED PRODUCT EXHIBITING EXCELLENT FATIGUE STRENGTH AND IMPACT FRACTURE RESISTANCE - A method includes: preparing a molten aluminum alloy consisting of 0.3-0.8 mass % Mg, 0.5-1.2 mass % Si, 0.3 mass % or more excess Si relative to the Mg | 10-06-2011 |
20150122375 | THERMOMECHANICAL ROLLING OF AN ALUMINUM PLATE - In a rolling process for reverse thermomechanically rolling an aluminum plate involving a plurality of rolling passes, identifying data are determined for thermally guiding the rolling process. Then a value of a state variable, from which a temperature of the aluminum plate can be deduced, is continuously measured and a pass schedule is determined for the rolling process on the basis of the value of the measured state variable and of the identifying data. The pass schedule provides for a rolling pause between at least two successive rolling passes, during which rolling of the aluminum plate is interrupted for cooling purposes. | 05-07-2015 |
20160024607 | System and Method for Producing a Hardened and Tempered Structural Member - System and methods relating to in-line heat-treating, hardening and tempering of material, such as for example, coiled steel into a roll-formed, hardened and tempered structural member having uniform or different targeted properties in selected zones of the structural member. The different targeted properties may be achieved by heating and/or cooling the material subject to certain parameters. | 01-28-2016 |
20160160332 | REDUCED AGING TIME OF 7XXX SERIES ALLOY - The present invention relates to the reduction of artificial aging time of 7xxx series alloys. Currently, the artificial aging times for typical 7xxx series alloy can be as long as 24 hrs. The current invention allows for a significant reduction of aging times, thereby saving time, energy, money and storage space hence increasing the productivity. | 06-09-2016 |
20160201181 | METHOD OF SURFACE-TREATING A CAST INTERMETALLIC COMPONENT | 07-14-2016 |
148511000 | Temperature | 16 |
20110108167 | NANO-CRYSTALLINE, MAGNETIC ALLOY, ITS PRODUCTION METHOD, ALLOY RIBBON AND MAGNETIC PART - A magnetic alloy having a composition represented by the general formula of Fe | 05-12-2011 |
20120216923 | MANUFACTURING APPARATUS OF HOT-ROLLED STEEL SHEET AND MANUFACTURING METHOD OF HOT-ROLLED STEEL SHEET - The present invention provides a manufacturing apparatus of a hot-rolled steel sheet capable of cooling control of a steel sheet even when disposing a cooling device capable of cooling from inside a finishing mill. | 08-30-2012 |
20120216924 | MANUFACTURING METHOD OF HOT-ROLLED STEEL SHEET AND MANUFACTURING APPARATUS OF HOT-ROLLED STEEL SHEET - The present invention provide a manufacturing method of a hot-rolled steel sheet capable of providing a target temperature for temperature of a rolled material in a final stand in a row of hot finishing mills, even when disposing a cooling device capable of cooling from inside the row of hot finishing mills. The method comprises: rapidly cooling the rolled material by spraying cooling water at inside of the final stand on a lower process side of the final stand in the row of hot finishing mills; obtaining an entry-side surface temperature of the rolled material on an entry side of the final stand; and calculating a target surface temperature on the entry side of the final stand, from a target surface temperature on the exit side of the final stand, based on generated heat and temperature reductions by contact of work rolls with the rolled material and by air cooling. | 08-30-2012 |
20130000792 | HEAT TREATMENT METHOD AND HEAT TREATMENT APPARATUS - A heat treatment method according to the present invention includes a preliminary-state-generating step of heat-treating an alloy that undergoes multiple-step transformation with temperature by bringing the alloy in contact with a contact-type heating element for 0.01 sec or more and 3.0 sec or less, the contact-type heating element being adjusted to a particular temperature within a preliminary-state-generating temperature region determined on the basis of a first temperature related to a particular first transformation of the alloy and a second temperature, which is higher than the first temperature, related to a particular second transformation of the alloy so as to generate a preliminary state in the alloy. | 01-03-2013 |
20130008567 | HEAT TREATMENT METHOD - The heat treatment method of the present invention includes: a first step of mist cooling a treatment object retained at a prescribed temperature by supplying mist-like coolant, to a target temperature near to and higher than a first transformation point at which a structure of the treatment object begins to be transformed into a prescribed structure; a second step, following the first step, of retaining the treatment object for a prescribed time in a state where supply of mist-like coolant is stopped; and a third step, following the second step, of cooling the treatment object to a temperature lower than or equal to the first transformation point. According to the present invention, it is possible to provide a heat treatment method capable of suppressing irregularity and deformation in the structure of the treatment object. | 01-10-2013 |
20130118646 | METHOD OF HOT STAMPING GALVANIZED STEEL SHEET - In a cooling a galvanized steel sheet (W), change in emissivity of a surface of the galvanized steel sheet (W) is measured in a temperature range lower than the boiling point of zinc but not lower than the ferrite transformation temperature, using an emissivity sensor ( | 05-16-2013 |
20130312875 | Spray Quench Systems for Heat Treated Metal Products - A method of quenching a workpiece is provided with one or more spray quench rings that eject a controlled variable volume of spray quench onto a workpiece passing through the quench rings by dynamically adjusting the axially adjustable distance between the inner and outer ring elements of each quench ring while the workpiece passes through the quench rings in response to mass cooling requirements of the workpiece passing through the quench rings. The quench rings can also be axial adjusted relative to each other in response to the mass cooling requirements. Dynamically adjustable reflected spray guards can be provided to prevent quench spray pattern interference between adjacent quench rings. | 11-28-2013 |
20140020795 | METHOD FOR PRODUCING HARDENED STRUCTURAL ELEMENTS - The invention relates to a method for producing a hardened steel component with a coating composed of zinc or a zinc alloy; a blank is stamped out of a sheet coated with the zinc or zinc alloy, the stamped-out blank is heated to a temperature ≧Ac3 and if need be, kept at this temperature for a predetermined time in order to induce the formation of austenite, and then the heated blank is transferred to a forming die, is formed in the forming die, and is cooled at a speed that is greater than the critical hardening speed and thus hardened; the steel material is adjusted in a transformation-delaying fashion so that a quench hardening through transformation of austenite into martensite takes place at a forming temperature that lies in the range from 450° C. to 700° C.; after the heating and before the forming, an active cooling takes place at >15K/s. | 01-23-2014 |
20140283956 | METHODS FOR SHAPING HIGH ASPECT RATIO ARTICLES FROM METALLIC GLASS ALLOYS USING RAPID CAPACITIVE DISCHARGE AND METALLIC GLASS FEEDSTOCK FOR USE IN SUCH METHODS - The disclosure is directed to a method of forming high-aspect-ratio metallic glass articles that are substantially free of defects and cosmetic flaws by means of rapid capacitive discharge forming. Metallic glass alloys that are stable against crystallization for at least 100 ms at temperatures where the viscosity is in the range of 10 | 09-25-2014 |
20150068648 | MULTI STEP PROCESSING METHOD FOR THE FABRICATION OF COMPLEX ARTICLES MADE OF METALLIC GLASSES - In one embodiment, the invention provides a process for thermoplastic forming of a metallic glass. For example, in one embodiment, the invention provides a process for thermoplastic forming of a metallic glass ribbons having a thickness of between about 50 to about 200 microns. Related articles of manufacture and processes for customizing articles in accordance with the process as described herein are also provided. | 03-12-2015 |
20150107727 | METHOD AND SYSTEM FOR THERMAL TREATMENTS OF RAILS - A method thermally treats hot rails to obtain a desired microstructure having enhanced mechanical properties. The method includes an active cooling phase where the rail is fast cooled from an austenite temperature and subsequently soft cooled, to maintain a target transformation temperature between defined values. The cooling treatment is performed by a plurality of cooling modules. Each of the cooling modules has a plurality of devices spraying a cooling medium onto the rail. The method is characterized in that during the active cooling phase, each cooling device is driven to control the cooling rate of the rail such that the amount of transformed austenite within the rail is not lower than 50% on the rail surface and not lower than 20% at a rail head core. | 04-23-2015 |
20150122376 | Site conditions thick-wall P92 pipe local heat treatment method - The present invention published a large walled field conditions P92 long pipeline local heat treatment processes. Firstly, according to the specific conditions for the on-site grade heat-resistant steel (P92 pipe), combining of the finite element method and test, the Heated Band (HB) width and Gradient Control Band (GCB) was calculated. The pipe was then locally heated using the flexible ceramic resistive heater. When the temperature reaches 80-100° C., the pipe was heated to constant temperature at 80-100° C. for 2 h. The pipe was heated to 300° C. at the rate of 150° C./h. When the temperature reaches 300° C., rising the temperature to 765° C. at the rate of 80° C./h. Holding time is calculated by the wall thickness (5 min/mm, no less than 4 h). Lowering the temperature to 300° C. at the rate of 100° C./h and then natural cooling to room temperature, finally removing the heating device. Finally, the local heat treatment process can be obtained. The present invention can effectively decrease the temperature difference between the outer and inner wall, the residual stress in the welded joints. Thus the service properties can be guaranteed. | 05-07-2015 |
20150368734 | METHOD AND FACILITY FOR MANUFACTURING SEAMLESS STEEL PIPE WITH EXCELLENT TOUGHNESS - It is difficult in the related art to realize not only a decrease in material variability due to non-uniform microstructure distribution in the wall thickness direction of a pipe body but also the maintenance of satisfactory productivity of the whole heat treatment line at the same time. A method includes determining in advance whether or not the pipe body is made of a steel grade having an Ms point lower than 200° C.; leaving the pipe body of a steel grade having an Ms point lower than 200° C. additionally at room temperature (it is preferable to be transported to a holding bed 6 and left) until the temperature difference between the portion having the highest temperature and the portion having the lowest temperature in a cross section in a direction at a right angle to the pipe axis becomes less than 2.0° C. after the quenching treatment has been performed, and then performing the tempering treatment; and, on the other hand, performing a tempering treatment on the pipe body of a steel grade not having an Ms point lower than 200° C. without leaving the pipe body at room temperature after a quenching treatment has been performed. | 12-24-2015 |
20160201156 | NOZZLE FOR COOLING VACUUM HEAT TREATMENT FURNACE | 07-14-2016 |
20160377345 | FAST RESPONSE HEATERS AND ASSOCIATED CONTROL SYSTEMS USED IN COMBINATION WITH METAL TREATMENT FURNACES - System and method for using fast response heaters to pre-heat metal before entering a metal treatment furnace, which may improve control over metal processing, especially in response to changes in material, mass flow rate, line speed, and/or desired treatment process. Fast response heaters may be used with control systems to adjust the output of the fast response heater based on operator inputs, direct or indirect sensing of process parameters, and/or the use of thermal models to quickly adjust fast response heater output while a metal treatment furnace remains at a constant temperature or slowly transitions into a new operating state. The resulting gains in process control result in higher quality products, reduced scrap, and increases in line speed and output. | 12-29-2016 |
20190144961 | REAL-TIME CONTROL OF THE HEATING OF A PART BY A STEEL FURNACE OR HEAT TREATMENT FURNACE | 05-16-2019 |