57 results about "Slow heating" patented technology

The invention relates to the technical field of ring main units, and provides a self-adaptive protection device for a ring main unit, which comprises a cabinet body, a gas tank mounted on the back of the cabinet body and filled with environment-friendly insulating gas, and a pressure relief pipe with one end communicated with the top of the gas tank and used for pressure relief of the gas tank, the top of the gas tank is provided with a pressure relief regulation and control assembly, and the top of the pressure relief regulation and control assembly is provided with a dustproof assembly. The pressure relief regulation and control assembly comprises a funnel-shaped main speed discharging barrel arranged at the top of the air box and a butt joint sleeve for connecting the main speed discharging barrel with the pressure relief pipe in a sealed mode. During use, the main pressure relief channel and the branch slow-heating pressure relief channels are utilized and respond to instantaneous high-pressure impact and continuous hot pressing respectively, so that deformation and damage of the gas tank caused by instantaneous arcing overpressure are effectively prevented, and the potential safety hazard that pressure accumulation caused by abnormal slow temperature rise cannot be released in time is eliminated; and self-adaptive protection of the ring main unit gas tank is realized.

A kind of titanium alloy plate local heat / electricity / ultrasonic multi-field coupling assisted progressive forming device and its use method, relate to a kind of titanium alloy plate progressive forming device and its use method.The present application is to solve the technical problems of the existing titanium alloy plate progressive forming method relatively slow heating speed, high energy consumption, poor product quality.The device of the present application realizes two-stage heating by local non-contact heating and pulse current self-resistance heating, improves the heating rate, improves the material plasticity by the "electroplasticity" effect generated by pulse current, reduces the material deformation resistance by the "ultrasonic softening" effect generated by ultrasonic field, improves the formability, and improves the forming quality by multi-field coupling.The present application realizes the reduction of material deformation resistance and plasticity by the coupling of heat, electricity and ultrasonic multi-energy field in the deformation process of sheet metal, and significantly improves the formability of material.

The invention discloses a sintering process for an aluminum alloy plate of a flat thick film heater. An insulating glass medium is sintered to the surface of the aluminum alloy layer by layer through multiple times of printing and sintering, so that the final thickness of an insulating layer is larger than 200 microns, then the insulating standard indexes such as the withstand voltage of 4200 VDC and the like are achieved, the harsh requirement for ultrahigh high-voltage insulating safety is met, meanwhile, by means of a temperature control sintering furnace, an accurate temperature control curve is achieved, the temperature is slowly increased to 200-300 DEG C at the speed of 3-5 DEG C / min, and heat preservation is conducted; organic carriers can be fully and gently removed, and bubbles, pinholes or cracks caused by sudden volatilization are avoided.

This invention discloses a method for manufacturing 3D display glass and its curved display glass, relating to the field of glass manufacturing technology. A conveying preheating box is attached to one side of the top of a multi-stage temperature control frame. Several pressure-equalizing hydraulic cylinders are equidistantly installed on the top of the conveying preheating box. Pressure-limiting fixing frames are attached to the bottom of the pressure-limiting fixing frames. Inlet and outlet electric slide rails are symmetrically installed at the bottom of the pressure-limiting fixing frames. Inlet and outlet sliding frames are installed at the bottom of the inlet and outlet electric slide rails via slide rail seats. A positioning electric slide rail is embedded at one end of the inlet and outlet sliding frame. A shaping top mold is fitted between two clamping fixing frames. This invention utilizes a combination of pneumatic hot bending, gravity hot bending, shaping hot pressing, and edge correction hot pressing. Furthermore, by using slow heating and slow cooling, along with mold control, the shape of the curved glass can be effectively controlled. Simultaneous operation of pretreatment and forming processes reduces the waiting time required during production.

The glasses with the positioning function comprise a glasses frame, a nose bridge bracket and lenses, the two lenses are movably embedded in the inner side of the glasses frame, a glass preheating anti-fogging structure is arranged on the inner side of the glasses frame, and charging port waterproof structures are arranged on the outer sides of glasses legs in two glasses leg assemblies. A bracket replaceable structure is arranged at the other end of each glasses leg in the two glasses leg components; the glass preheating anti-fogging structure comprises a storage battery and an electric heating wire, the electric heating wire is fixedly mounted in the glasses frame, and the storage battery is electrically connected with the electric heating wire. The storage battery supplies power to the electric heating wire, and the electric heating wire can be heated to a preset temperature or above within a short time after being electrified, so that the lens in contact with the electric heating wire can be slowly heated to facilitate demisting in winter, and the heating and demisting effects of the glass lens can be realized within a short time when a user enters a warm room from a low-temperature environment; therefore, the use effect of the glasses with the positioning function is improved.

The invention provides a low-temperature manufacturing method of a jet element. The method comprises the steps that S1, a cover plate, a bottom plate and a base plate of the jet element are machined, the surfaces are pretreated, and soldering lugs are polished; s2, cleaning the to-be-connected surfaces of the cover plate, the bottom plate and the substrate and the soldering lugs; s3, coating a soldering flux on a welding part; s4, heating, heat preservation and cooling; s5, glue is injected into the bonding part; s6, pressurizing and standing; and S7, heating, heat preservation and cooling are conducted, specifically, the bonded whole is put into a muffle furnace to be slowly heated and subjected to heat preservation, and the whole is taken out after being naturally cooled to the room temperature in the furnace. Thermal damage can be avoided, the welding stress can be reduced, meanwhile, the cost is reduced, and the service life of the manufactured jet element is greatly prolonged due to the fact that the base material is free of damage, the internal residual stress is small and the shock resistance of the connector is good.

The present application belongs to the field of special steel production and processing in the metallurgical industry, and provides a rolling production method for improving internal defects of medium-carbon nickel / sulfur-containing steel. The method uses preheating and slow heating for production, improves the internal quality of nickel / sulfur-containing steel (internal cracks, shrinkage holes and other defects) under the premise of not changing the organizational performance of the steel, greatly increases the yield of medium-carbon nickel / sulfur-containing steel, improves the core quality and saves the production cost.

The utility model discloses a kind of warm air water tank heating pipeline, belong to automobile technical field.It solves the problem of slow heating speed of new energy vehicle in prior art.It mainly includes PTC water tank heating circuit and battery cooling circuit;PTC heater, first water pump, second three-way valve, third three-way valve, warm air water tank and first temperature sensor are arranged in the PTC water tank heating circuit, heat exchanger, battery cooling water tank, second water pump, battery, first three-way valve and second temperature sensor are arranged in the battery cooling circuit, battery cooling circuit is connected first three-way valve by eighth branch pipe at battery one end, first three-way valve is connected battery cooling water tank and warm air water tank by first branch pipe and second branch pipe respectively, the warm air water tank and battery cooling water tank are connected second three-way valve by third branch pipe and fourth branch pipe respectively, the third three-way valve is connected warm air water tank and battery cooling water tank by fifth branch pipe and sixth branch pipe respectively.

A fused salt heat storage system with a preheating function relates to the technical field of fused salt energy storage and comprises a deaerator, a fused salt tank and a heat exchanger. A coil pipe is arranged in a shell of the molten salt tank, the liquid inlet end of the coil pipe is communicated with the liquid outlet end of the deaerator, and the liquid outlet end of the coil pipe is communicated with a cold side inlet of the heat exchanger. Water output from the deaerator passes through the shell of the molten salt tank, hot water is generated under high-temperature heating of the molten salt tank, and the hot water enters the heat exchanger to slowly heat the heat exchanger, so that the heat exchanger is well protected. According to the fused salt heat storage system, no new equipment is added, preheating of the heat exchanger is achieved only through reasonable layout of pipelines, and cost is greatly saved.

The invention discloses a composite heating system for CVD (Chemical Vapor Deposition) equipment, a cooperative control method and application of the composite heating system in preparation of a tantalum carbide coating. According to the system, an induction heating unit and a resistance heating unit are effectively divided and organically combined by arranging a heat insulation layer, a resistance element is made of a high-resistivity non-magnetic material, lead arrangement and a shielding structure are optimized, and the problems of electromagnetic coupling and thermal interference between two heating modes are fundamentally solved; according to the control method, through staged cooperative control, dynamic power distribution and a soft switching strategy, unification of rapid temperature rise and temperature uniformity and stability is achieved. Therefore, the method effectively overcomes the problems of slow temperature rise, large temperature difference and poor adaptability in the prior art, and is particularly suitable for preparing high-quality and high-uniformity tantalum carbide coatings required in the fields of aerospace and semiconductors.

The invention discloses an ultra-fast degreased and sintered dental restoration based on a photocuring technology and a preparation method thereof, and relates to the technical field of photocuring dental glass ceramic manufacturing. According to the preparation method of the dental restoration based on the ultra-fast degreasing and sintering of the photocuring technology, the photocrosslinking compound and the thermal crosslinking compound are simultaneously introduced into the slurry system, and the low-molecular-weight solvent and the ceramic powder with high solid content are matched, so that a green body structure capable of keeping integrity under the condition of fast heat treatment is effectively constructed. By combining Joule heating ultra-fast high-temperature sintering equipment, the green body can cross a critical temperature interval in which the green body is easy to crack in an extremely short time, meanwhile, structural relaxation and defect accumulation which are possibly generated in a slow heating process are inhibited, and the microstructure uniformity and reliability of the glass ceramic material in a fast densification and crystallization process are ensured. According to the invention, ultra-fast degreasing and sintering of the dental ceramic material are realized.

This invention relates to a method for preparing a silicon nitride wear-resistant coating on the surface of a graphite part. The method involves coating the graphite part with polynitrosilane, followed by drying and subsequent decoking and high-temperature ceramization treatments. The process is precisely designed as a multi-stage heating decoking and high-temperature ceramization process. By strictly controlling the heating rate and holding time, the method avoids coating shrinkage and cracking caused by rapid heating, as well as resource waste and increased internal stress caused by excessively slow heating. Simultaneously, the decoking temperature is optimized to prevent excessive decomposition and escape of polynitrosilane or residual small molecules. This effectively solves the coating cracking problem caused by the difference in thermal expansion coefficients between graphite and silicon nitride, thereby obtaining a dense, uniform, and crack-free silicon nitride coating.

The invention provides a battery pack heating method and device and a vehicle with the battery pack heating device.The method is applied to the technical field of vehicles and comprises the steps that in response to a motor controller, a pulse heating mode is entered, and the resistance value of a battery pack, the inductance value of the battery pack, the capacitance value of an inverter and the battery heating rate are obtained; determining a target pulse frequency according to the resistance value, the inductance value and the inverter capacitance value, and determining a target direct-axis current according to the battery heating rate; based on the target pulse frequency, the target direct-axis current and preset quadrature-axis current, the duty ratio of each bridge arm in the motor controller is determined, and the corresponding bridge arm is controlled according to the duty ratio of each bridge arm, so that resonance current for heating the battery pack is generated between the battery pack and the motor controller. According to the method, the problems of high energy consumption and low heating speed during external heating, extra consumption of battery capacity and reduction of energy efficiency during internal heating and the like in related technologies can be solved, and rapid and uniform heating of the battery is realized.

The invention discloses a forming method for reducing curing deformation of a composite material laminated board through non-isothermal curing. The forming method specifically comprises the following steps: step 1, determining a curing shrinkage generation area of a laminated composite material; step 2, constructing a first stage of a non-isothermal curing period, namely a rapid heating stage; step 3, constructing a second stage of the non-isothermal curing period, namely a slow heating stage; and step 4, constructing a third stage of the non-isothermal curing period, namely a cooling stage. The invention solves the problem that the existing curing molding process is easy to cause the deformation of the laminated composite material laminate.

This invention belongs to the field of glove mold technology, specifically referring to a glove mold manufacturing process. The glove mold includes a palm part and an arm part. The palm part includes a front mirror image and a rear mirror image. The forming process of the front mirror image or the rear mirror image includes the following steps: First stretching: stretching a stainless steel plate to form the approximate shape of the product; Annealing: slowly heating the part to 500-1200℃, holding it in a nitrogen atmosphere for 2-8 minutes, and then cooling it to room temperature; Second stretching: further stretching the part; Finger seam shaping: shaping the part's surface and finger seams; Edge trimming: trimming the part along the radius (R-angle); Tempering: heating the part to 500-1200℃, holding it for 2-8 minutes, and then cooling it to room temperature; Flattening: flattening the R-angle of the part; Scraping: removing the remaining waste material other than the front mirror image or the rear mirror image to ensure its flatness. The tempering and annealing processes of this invention can effectively prevent cracking or excessive thinning of the finger seam area.

This utility model discloses a heating device for the production of water-based coatings, comprising a heating chamber; a heating unit disposed within the heating chamber for heating the water-based coating; a pressure relief unit disposed on the heating chamber for releasing internal air pressure; and a cleaning component disposed on the heating unit. This utility model utilizes the heating unit to heat the water-based coating both internally and externally, preventing heat loss and slow heating in certain areas, thereby improving the heating efficiency. The pressure relief unit releases excessively high air pressure generated during heating in real time, preventing the risk of explosive agglomeration due to gas expansion. Furthermore, the cleaning component, in conjunction with a rotating component, effectively cleans the water-based coating adhering to the inner wall of the equipment, enhances the uniformity of stirring and heating, and eliminates internal air bubbles, preventing pinholes and pitting after the paint film has cured.

The application relates to the technical field of ring network cabinets, and provides a self-adaptive protection device for a ring network cabinet, which comprises a cabinet body, a gas tank filled with environment-friendly insulation gas and installed at the back of the cabinet body, and a pressure relief pipe communicated with the top of the gas tank and used for pressure relief of the gas tank; a pressure relief control assembly is installed at the top of the gas tank; the top of the pressure relief control assembly is provided with a dustproof assembly; the pressure relief control assembly comprises a funnel-shaped main speed discharge cylinder arranged at the top of the gas tank and a butt joint sleeve pipe sealingly connected with the main speed discharge cylinder. In use, the main pressure relief channel and the branch slow heat pressure relief channel are utilized, and the main pressure relief channel and the branch slow heat pressure relief channel respectively respond to instantaneous high pressure impact and persistent heat pressure, so that deformation and damage of the gas tank caused by instantaneous arc overvoltage are effectively prevented, hidden dangers caused by pressure accumulation due to abnormal slow heating and unable to be timely discharged are eliminated, and self-adaptive protection of the gas tank of the ring network cabinet is realized.

The invention discloses a colloid melting system and a full-automatic glue sprayer, and aims to solve the problems of slow heating and high invalid power of a colloid melting system of an existing glue sprayer. A colloid melting system comprises a colloid melting cylinder, a microwave magnetron and a wave guide plate, the colloid melting cylinder is a metal cavity, the microwave magnetron emits microwaves for heating, and the wave guide plate is of a specific structure to guide the microwaves for uniform heating. And the sealing cover of the glue melting cylinder is high in sealing degree to ensure microwave constraint and temperature maintenance. The full-automatic glue sprayer adopts the glue melting system, and further comprises a glue melting control system, a glue solution conveying system and a servo spray gun system. The vent hole and the glue outlet hole are provided with special structures to prevent microwave leakage, the shunting box can assist in heating and utilize waste heat to preserve heat, and each part is provided with a heat preservation and radiation protection structure. The colloid melting system has the advantages of being high in colloid melting speed, low in invalid power, uniform in heating, high in safety and the like.

This utility model relates to a heat treatment device for processing impact crusher liners. This utility model effectively solves the problems of slow heating, high energy consumption, uneven heating of the liner, and difficulty in controlling and maintaining a stable heating temperature in existing heat treatment equipment. This heat treatment device for impact crusher liner processing allows the liner to rotate both on its own axis and around a central axis, ensuring that all points on the liner surface periodically enter a high-intensity magnetic field zone, achieving three-dimensional uniform heating, fully heating all parts of the liner, and reducing temperature differences. The electromagnetic induction heating mechanism can perform segmented induction heating of the liner, preheating it before rapid austenitization, effectively improving the heating rate. The atomizing quenching mechanism can adjust the appropriate quenching state, uniformly quenching all parts of the liner, ensuring good performance. The liner rotation mechanism can simultaneously fix multiple liners, effectively improving processing efficiency and quality, and facilitating heat treatment of the liners.

The invention relates to the technical field of ceramic surface metallization, and discloses nano nickel powder slurry with high dispersion stability and a preparation method and application thereof.According to the slurry, pure nickel powder is replaced with Ni-Sn alloy powder, tin reacts with sulfur preferentially to generate a SnS protection layer, a sulfur source is consumed to protect a nickel core, an organic tin compound is added into the slurry to serve as an in-situ repairing agent, and the surface of the nano nickel powder is repaired. Active Sn < 2 + > is decomposed and released in the rubber discharging stage and migrated to the surface defect position to be combined with sulfur, repairing of a protection layer is achieved, a weak coordination type dispersing agent is adopted, steric hindrance is provided through hydrogen bonds and Van der Waals force to maintain storage stability, meanwhile, interference of a strong anchoring group on tin migration is avoided, the adding time of organic tin is controlled through a step-by-step feeding process, and the stability of the organic tin is improved. And a compact SnS protection layer is formed in cooperation with slow heating, nickel cores are exposed after complete decomposition at high temperature, the long-term dispersion stability of the slurry in a sulfur-containing system is achieved, and the method is suitable for manufacturing of an MLCC inner electrode.

The application belongs to the technical field of neodymium-iron-boron magnet production, and relates to a preparation method of a neodymium-iron-boron magnet with high mechanical service characteristics. The application discloses a preparation method of a neodymium-iron-boron magnet with high mechanical service characteristics, which comprises the following steps: sequentially performing sintering heat treatment and tempering heat treatment on a neodymium-iron-boron green body; the sintering heat treatment comprises six stages: a vacuum extraction stage, an exhaust stage, a slow heating stage, a sintering stage, a slow cooling stage and a rapid cooling stage; the slow heating stage is "wave-shaped" slow heating, the sintering stage is "wave-shaped" sintering heat preservation, and the slow cooling stage is "wave-shaped" slow cooling. The preparation method of the neodymium-iron-boron magnet with high mechanical service characteristics can improve the mechanical performance of the neodymium-iron-boron magnet while ensuring the magnetic performance of the neodymium-iron-boron magnet.

This invention provides a high-frequency pulsed argon arc welding root welding process for bimetallic composite pipes. The root welding process includes a suitable inner cladding thinning bevel design, welding process parameters, and a high-frequency pulsed arc control method. This invention not only ensures good mechanical properties, appearance, and corrosion resistance at the root of the bimetallic composite pipe, but also allows for a slower heating rate at the pipe end and a shorter cooling time during welding, thereby significantly improving welding efficiency.

The invention relates to the technical field of gradient structure heat insulation materials, and particularly discloses a preparation method of a gradient structure heat insulation powder filled heat-resistant honeycomb. The method comprises the following steps: synergistically dispersing fiber / feather-shaped aluminum oxide sol and silicon dioxide nano colloid, introducing a layered opacifying agent, carrying out spray instantaneous freezing and vacuum freeze-drying to prepare nearly spherical composite powder, filling honeycombs in a layered manner, and carrying out slow heating and segmented thermocuring under a vacuum condition to form the sparse glass phase micro-neck. The prepared heat insulation honeycomb with the opacifying agent type and content gradient in the thickness direction has the advantages of low heat conduction, vibration resistance, stability and low powder falling, and effectively inhibits high-temperature radiation heat transfer.

The invention discloses a temperature gradient optimization method for a high-temperature confocal microscope sample, and belongs to the technical field of metallurgical materials. The invention provides an improved method capable of accurately measuring, quantitatively evaluating and effectively reducing the temperature gradient aiming at the temperature gradient problem of a high-temperature laser confocal microscope sample in the heating process. The method comprises the following specific steps: processing a sample into a cylinder, polishing, welding a calibration thermocouple on the upper surface of the sample, and placing in a crucible; high-purity argon is filled for protection in a three-extraction and three-discharge mode; heating according to a set heat treatment system, collecting temperature data of a thermocouple welded on the upper surface of the sample and a temperature control thermocouple in the furnace at the same time in a heat preservation stage, and calculating a temperature difference value and a temperature gradient; adjusting the height of the sample, repeating the test, establishing a corresponding relation between the height and the temperature gradient, and selecting the height of the sample with the minimum temperature gradient as an optimized size. Through a simple mode of adjusting the height of the sample, the temperature gradient of the upper surface and the lower surface of the sample is effectively reduced, it is ensured that the sample is in a uniform temperature state in the heating and cooling process, the oxidation problem caused by traditional slow heating or long-time heat preservation is avoided, and reliable test data are provided for in-situ research of the material microstructure.

The application provides a high-efficiency tunnel furnace and a baking method. The high-efficiency tunnel furnace comprises a furnace shell, the furnace shell surrounds a baking channel, the baking channel is arranged along a conveying direction, at least one baking bin is arranged in the baking channel along the conveying direction, and the baking bin surrounds an enclosed bin channel, the input end and the output end of the enclosed bin channel are open, a supporting and guiding part is arranged in the baking bin to support a single-piece product to be baked, a heating element is arranged on the baking bin to supply heat to the enclosed bin channel, a transmission assembly is arranged through the enclosed bin channel and performs a circulating motion to push multiple batches of single-piece products in a pipeline manner, and the multiple batches of single-piece products are sequentially moved on the supporting and guiding part. The problems of slow heating efficiency, uneven baking heating and energy waste caused by placing the single-piece products filled in the baking bin in a baking furnace for baking are solved.

This invention discloses a manufacturing process for glass-ceramic products, the glass-ceramic products comprising a glass-ceramic substrate and a glaze coating applied to the glass-ceramic substrate. The manufacturing process includes: S1: providing a glass-ceramic substrate; S2: applying a glaze coating to the glass-ceramic substrate; S3: performing a firing process, the firing process including: S3a: conveying the glass-ceramic substrate with the glaze coating into a heating furnace; S3b: rapidly heating the glass-ceramic substrate to 710°C at a heating rate in the range of 20°C / min to 30°C / min; S3c: slowly heating the glass-ceramic substrate from 710°C to a maximum temperature in the range of 890°C to 930°C at a heating rate in the range of 1°C / min to 15°C / min; S3d: maintaining the maximum temperature for a certain period of time, in the range of 8 minutes to 25 minutes; and S3f: removing the glass-ceramic substrate from the heating furnace and cooling it to room temperature. The glass-ceramic products obtained according to this invention have an impact strength greater than 0.20 Nm.

The invention belongs to the field of electrochemical fuel cells, and particularly relates to a fuel cell microporous layer based on a three-dimensional composite carbon material and a preparation method of the fuel cell microporous layer. The preparation method comprises the following steps: S.1, preparing a three-dimensional structure carbon material: ultrasonically treating multi-walled carbon nanotubes dispersed in a concentrated sulfuric acid solution, mechanically stirring, adding potassium permanganate for low-temperature reaction, slowly heating to 35 DEG C for medium-temperature reaction, continuously heating to 75 DEG C for high-temperature reaction, cooling, eluting, filtering and washing until the pH value is nearly neutral, ultrasonically dispersing, and cooling and drying at low temperature to obtain the three-dimensional structure carbon material. The three-dimensional structure carbon material is obtained; s.2, plasma treatment: carrying out plasma bombardment treatment on the three-dimensional structure carbon material powder to obtain powder; and S.3, preparing MPL slurry. The three-dimensional carbon composite material and the structure are prepared, so that the conductivity and the electrochemical structure stability of the MPL layer are improved; the three-dimensional carbon material is subjected to plasma treatment, so that the three-dimensional carbon material has catalytic activity; and the adsorption capacity and the service life of the microporous layer are improved.

The utility model discloses a milk warmer which comprises a semiconductor refrigeration assembly and a milk barrel. Through the design that the cone-frustum-shaped heat conduction column extends to two thirds of the height of the milk barrel and the combination of the multiple sets of protruding edges, the contact area between the milk barrel and milk is remarkably increased, the heat conduction efficiency is improved, the problem that the heating speed is low due to the fact that the area of a traditional guide block is insufficient is solved, meanwhile, local heat flux density is reduced, and milk protein is prevented from denaturation due to heating; the heat conducting seat and the heat conducting column which are integrally formed are adopted, and the design of threaded fastening and the sealing gasket is matched, so that the problem of sealing failure caused by difference of thermal expansion coefficients of different materials is effectively solved, and the structural stability and the sealing reliability during long-term use are ensured.

The invention relates to the technical field of aluminum alloy heat treatment, and particularly discloses a solid solution aging process for synergistically improving the strength and corrosion resistance of a T-phase reinforced aluminum alloy, which is technically characterized in that after solid solution treatment, high-temperature pre-precipitation treatment and variable-temperature pre-aging treatment are sequentially carried out, and then peak aging is carried out; the high-temperature pre-precipitation treatment comprises the following steps: cooling to 400-440 DEG C from the solid solution temperature, preserving heat for 0.1-0.5 h, and then quenching; and the variable-temperature pre-aging treatment is as follows: the temperature is increased to 150 DEG C at a slow speed of 5-30 DEG C / h. The aluminum alloy workpiece prepared by the process has the structure characteristics of an intragranular fine dispersed T'phase and a grain boundary discontinuous second phase. According to the scheme, the peak aging time is greatly shortened to about 27 hours from about 200 hours, meanwhile, the peak hardness is improved by about 20 HV, the intergranular corrosion resistance is remarkably improved, and synergistic improvement of the strength and corrosion resistance of the T-phase reinforced aluminum alloy is achieved.

An apparatus and method for initiating thermochemical events in an adiabatic reaction calorimeter are provided. The apparatus and method may be used in safety research of lithium battery and reactive chemical thermal runaways. The apparatus comprises a motor-driven conductive heating element in thermal contact with the outer surface of the reaction in the sample container for heat transfer during heating ramp. The heating element is heated and coupled to the sample container to initiate thermal runaway and transitions to a non-heating configuration once thermal runaway is initiated, which is much faster than many existing slow heating methods used to initiate thermal runaway.