31results about How to "Fully annealed" patented technology

The invention provides a method for nitridation and crystallization of metastable-state samarium-iron alloy. The method comprises the steps of performing rapid cooling and sudden condensation on molten-state samarium-iron alloy to obtain the metastable-state samarium-iron alloy; performing nitridation and initial crystallization on the metastable-state samarium-iron alloy to obtain nitrided samarium-iron alloy; and performing annealing and crystallization on the nitrided samarium-iron alloy to obtain a samarium-iron nitrogen permanent-magnet material. During nitridation of a metastable-state material, a large amount of rheological units existing in the metastable-state alloy are beneficial for diffusion and homogenization of nitrogen atoms, the nitridation content of the alloy can be remarkably increased, and the nitrogen atoms are uniformly distributed; crystallization is completed before decomposition of Sm<2>Fe<17>N<x>, nitride formation is reduced or prevented, and the metastable-state samarium-iron alloy has a refined microstructure; and moreover, according to the method provided by the invention, the nitridation speed is fast, and the nitridation efficiency of improving a samarium-iron nitrogen magnetic material by the samarium-iron alloy is improved.

The invention discloses a processing technology for a copper and titanium composite pipe. The processing technology includes the following steps that (1) a lubricant is sprayed on the surface of a copper rod, and meanwhile, the copper rod is placed in a titanium pipe to obtain a titanium copper rod; (2) the titanium copper rod in the step (1) is placed into an electric furnace for being heated, and drawing is conducted by being matched with an appropriate mold; (3) the titanium copper rod after drawing is multiply rolled by using a cold press, and oil removal treatment and annealing treatmentare carried out after each rolling; and (4) the burr and crack on the surface of the titanium copper rod are removed, the uneven parts on the two end faces of the titanium copper rod are cut off, polishing is conducted, and the copper and titanium composite pipe is obtained. By means of the processing technology, the copper and titanium composite pipe is manufactured through an explosion method, meanwhile, the lubrication is improved so as to make the surface of the copper and titanium composite pipe be smooth, through the treatment of segmented annealing, the titanium tube billet is thoroughin annealing, refined in grain, and uniform in texture layout, so that the wall thickness of the finished titanium pipe is uniform, and the surface quality is high.

Provided are a laser annealing device and a laser annealing method. A general pulse waveform rises sharply from a starting time point of oscillation, shows a peak, and thereafter, decreases gently. At the time point when power shows a peak, the surface of an annealing object is sharply heated and reaches a high temperature. Since time showing the peak is an instant, it is difficult to sufficiently heat a deep region of an annealing object. A laser pulse is emitted from a laser diode when a pulse current is input. An optical system that guides a laser beam emitted from the laser diode to an annealing object. A driver supplies a pulse current that has a time waveform of a top flat and a pulse width of 1 [mu]s to 100 [mu]s to the laser diode.

The invention provides a manufacturing method of an aluminum alloy conduit having a good bending property. The manufacturing method comprises the steps of sequentially performing heating, extrusion, withdrawal straightening, corrosive washing, rolling, diameter-reducing annealing, drawing, washing, detection and finished product annealing on a hollow ingot to obtain the aluminum alloy conduit, wherein the finished product annealing method comprises the following steps: (1) fixing the temperature of an empty furnace to be 480 to 500 DEG C, maintaining the temperature after the furnace reaches apreset temperature, and baking; (2) after the baking is ended, quickly performing hot-furnace charging to finish charging of the furnace; (3) after charging of the furnace is ended, setting the furnace temperature to be 430 to 450 DEG C, maintaining the temperature and performing annealing treatment; and (4) quickly discharging a product from the furnace after the annealing treatment is ended, and performing air cooling, wherein the time starting from the end point of charging to discharging is shorter than or equal to 65 min. By adopting high-temperature and short-time quick heating, coolingand annealing processes, the manufacturing method provided by the invention can effectively refine grains; the annealing process can be used for obtaining a conduit with a relatively small surface grain size; and the phenomenon of 'Orange Peel', generated in a subsequent bending process, of the aluminum alloy can be prevented.

The invention discloses a processing method for a copper-titanium alloy tubular product. The processing method comprises the following steps: (1) smelting an alloy: putting raw materials in a smeltingfurnace to be smelted; (2) pouring; (3) extruding; (4) rolling; and (5) surface treatment. According to the processing method based on titanium and assisted with copper disclosed by the invention, the prepared alloy tubular product is high in antiseptic property. The tensile strength of the alloy tubular product is good by means of extrusion and rolling.

The invention discloses an annealing method for rapidly reducing internal stress of a lithium battery copper foil. The annealing method comprises the following steps: adopting a drying system to dry the copper foil, carrying out natural cooling, and entering first-time heating of an annealing system; carrying out natural cooling, and entering second-time heating of the annealing system; and controlling the wound copper foil temperature. Through the annealing method, the electrolysis winding process is utilized for full annealing of the copper foil, and the internal stress of the copper foil isreleased, so that influence of copper foil warping caused by the copper foil internal stress to the rear end application is effectively avoided; the temperature of the copper foil winding process iscontrolled to realize the purpose of releasing the copper foil stress; the electrolysis time is directly utilized to anneal the expanded copper foil, and the annealing method has the advantages of being sufficient in annealing, saving time and being stable in product quality; and with adoption of the annealing method, the treatment time is effectively shortened, and the stability of the copper foil quality is effectively improved.

The invention discloses an annealing device for wire and cable manufacturing. The device comprises an equipment main body, a control panel is fixedly connected to the middle position of the bottom of the front surface of the equipment main body, an annealing device is arranged in the middle position of the left side of the top of the equipment main body, protection supports are fixedly connected to the positions, located on the two sides of the annealing device, of the top of the equipment body, a fixing frame is fixedly connected to the right sides of the tops of the protection supports, and a feeding guide sleeve is fixedly connected to the side, close to the annealing device, of the fixing frame. The invention relates to the technical field of wires and cables. According to the annealing device for wire and cable manufacturing, the stability of a cable during moving is effectively improved, the feeding tensioning force of the cable is adjusted, and meanwhile, the entering position is automatically adjusted, so that the situation that the cable position is excessively deviated in the device, a heating mechanism and a feeding adjusting body are concentrated to have a small amount of height deviation is avoided, and it can be guaranteed that the interior is in a tight state, and sufficient annealing is facilitated.

The invention discloses a method for achieving steel casting full-annealing treatment based on an iron casting stress relief annealing furnace. The method comprises the following steps that S1, a fire barrier is additionally arranged on a trolley in a steel casting full-annealing heat treatment chamber of the annealing furnace, the steel casting full-annealing heat treatment chamber is divided into a high-temperature chamber and a low-temperature chamber by the fire barrier, and the high-temperature chamber communicates with a combustion chamber; S2, high-calorific-value coal is added into the combustion chamber; and S3, a combustion fan is started, and compressed air is introduced into the high-temperature chamber when the combustion fan is at a certain temperature. According to the method, structural transformation is simple, full-annealing heat treatment can be effectively conducted on the steel casting, and meanwhile the stress relief heat treatment which does not affect an iron casting is achieved.

The invention provides a car-type annealing furnace. The furnace comprises annealing furnace bodies, a transporting rail, car supports and a transporting bogie. Each annealing furnace body comprises afurnace body and a furnace door. The transporting rail comprises a limit groove and surface transporting grooves. Each car support comprises a support bottom plate and aluminum roll supporting framesarranged on the support bottom plate, and the support bottom plate is movably connected with the aluminum roll supporting frames. The transporting bogie comprises a transporting support and a hydraulic pump. The annealing furnace bodies are parallel to the car supports, and connected with the car supports through car rails. The transporting bogie is arranged in the surface transporting grooves and the limit groove which are formed between the annealing furnace bodies and the car supports. The car rails are perpendicular to the surface transporting grooves and the limit groove. In the technical field of aluminum plate machining and cleaning, the problems that the leakproofness of annealing furnaces adopted in the annealing process is poor, and the feeding efficiency of a feeding device islow are solved, by means of the technical scheme, the sealing effect is better, a feeding device is efficient, and plate cleaning machining is facilitated.

The invention provides a manufacturing method of a flip LED chip. A first substrate is provided; a light-emitting structure and a first insulating layer are sequentially formed on the first substrate; a second insulating layer is formed on a first N-type electrode and the surface of the first insulating layer; the first insulating layer is etched to form a patterned first through hole which runs through the first insulating layer and a metal reflecting layer and extends into a first N-type gallium nitride layer; the contact position of the N-type electrode and a thimble during packaging of the chip is staggered by the patterned first through hole; patterning isolation is carried out on the N-type electrode; a short circuit caused by conduction of a P electrode and the N electrode since the thimble jacks through the insulating layer in the packaging process is prevented; the reliability of the chip in the packaging process is improved; and furthermore, good ohmic contact is formed by full annealing.

The invention provides an annealing treatment device for enameled wire processing and a using method, the device comprises a heating mechanism, awind-heat annealing mechanism, a surface cleaning mechanism, a driving mechanism and a sealing cover which are arranged on a support, the heating mechanism is a spiral copper pipe, and an iron copper wire is subjected to electromagnetic heating treatment through an external radio frequency power supply of the spiral copper pipe; and the wind-heat annealing mechanism is a wind-heat box with a heating function and is used for prolonging the annealing time of the copper wire and fully annealing the copper wire, the surface cleaning mechanism is a cleaning box and is used for timely treating a surface oxide film of the quenched copper wire, the driving mechanism comprises a leading-in wheel, a steering wheel, a leading-out wheel and a gear motor, and a power shaft of the gear motor is connected with the leading-out wheel. The gear motor provides single drive to pull the copper wire, looseness between the leading-in wheel and the leading-out wheel is prevented, the structure is reasonable, the enameled wire is fully and uniformly annealed, high temperature and air contact oxidation is prevented, and stains on the surface of the enameled wire are cleaned in time.

The invention discloses a machining method for a thin-walled titanium pipe. The method comprises the following several steps that (1), a blank is manufactured; (2), rolling is carried out, wherein multi-pass rolling is carried out on the titanium pipe blank by adopting a cold press, oil removal treatment and annealing treatment are carried out after rolling of each time, and the annealing treatment specifically comprises the following steps that under a vacuum condition, the titanium pipe blank is rapidly heated to 280-320 DEG C, the temperature is kept for 10-15 minutes, then the titanium pipe blank is slowly heated to 650-750 DEG C, the temperature is kept for 30-60 minutes, then the titanium pipe blank is rapidly cooled to 280-320 DEG C, the temperature is kept for 10-15 minutes, and then the titanium pipe blank is cooled to the normal temperature; and (3), surface treatment is carried out. According to the machining method, multi-pass rolling is carried out on the titanium pipe blank through the cold press, moreover, the oil removal treatment and the annealing treatment are carried out after rolling of each time, through the stepped annealing treatment mode, the titanium pipe blank is sufficiently annealed, grains are refined, and the structure arrangement is uniform, so that a final titanium pipe finished product is uniform in wall thickness, and good in surface quality.

The invention relates to an array substrate manufacturing method, an array substrate and a liquid crystal display device and relates to the technical field of display. The manufacturing method of thefirst indium tin oxide film layer comprises steps manufacturing ofan indium tin oxide film layer and a metal protection layer in a stacked mode, manufacturing a photoresist layer on one side, deviating from the indium tin oxide film layer, of the metal protection layer, exposing by adopting a semi-gray-scale photomask process to enable the photoresist layer to form a first photoresist region and asecond photoresist region, the first photoresist region corresponding to a red pixel region and a green pixel region, the second photoresist region corresponding to a blue pixel region, and the thickness of the first photoresist region being smaller than that of the second photoresist region, etching for the first time, carrying out ashing treatment, etching for the second time, peeling off the second photoresist region, carrying out annealing treatment of the indium tin oxide film layer and the metal protective layer, etching for the third time, and finally obtaining the first indium tin oxide film layer. The array substrate manufactured by the method can reduce damage of blue light to eyes.