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186 results about "Auto industry" patented technology
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Automotive Manufacturing. The automotive industry includes the manufacturing of automobiles, parts and accessories and is driven primarily by competition and globalization, especially through a long history in Northeast Ohio. Key occupations in the automotive manufacturing industry have high levels of support from post-secondary training.
Digital twinning-based visual data comprehensive processing method for automobile industrial data
The invention relates to the technical field of data processing, and discloses a visual data comprehensive processing method for automobile industrial data based on digital twinning. The method comprises the following steps: performing recursive quartering on a three-dimensional space of an automobile general assembly workshop through a workshop process pixel quadtree index algorithm, performing process type marking on multi-source heterogeneous data according to a process identification mapping rule, and allocating a workshop real-time data set to a quadtree index structure according to space coordinates to perform process state aggregation, and according to the viewport pixel mapping relation, performing weighted aggregation calculation on the process state aggregation matrix to obtain a pixel comprehensive display value, and based on the pixel comprehensive display value, performing layered rendering processing on the workshop multi-process parallel scene. According to the invention, the visual processing efficiency and the user interaction response speed of the digital twin system in the automobile industry are improved.
Owner:CHINA AUTOMOTIVE RES INST AUTOMOTIVE IND ENG (TIANJIN) CO LTD
Automobile industrial database rapid management method and system based on virtual-real mapping
ActiveCN120596463AProgram initiation/switchingSpecial data processing applicationsAuto industryProduction line
The invention relates to the technical field of data processing, and discloses an automobile industrial database rapid management method and system based on virtual-real mapping. The method comprises the steps that a vehicle type mixed line recognizer recognizes the vehicle type switching state of a production line, and dynamic data of a vehicle type identifier, a process path and a resource demand are acquired; adjusting a partition strategy of the heterogeneous database according to the dynamic data, and generating a partition mapping table and an access weight matrix; binding the mapping table with the three-dimensional twin model through a time sequence association algorithm to form an automatically switched virtual-real mapping object pool; predicting a cross-vehicle-type data demand based on the object pool, and generating a preloading queue and a conflict avoidance strategy; and the vehicle type switching trigger processes the preloading queue to realize zero-delay data switching and consistency verification. The response speed and the data access efficiency of database management in the vehicle model line changing process are improved.
Owner:CHINA AUTOMOTIVE RES INST AUTOMOTIVE IND ENG (TIANJIN) CO LTD
Engine bottom guard plate and preparation method thereof
The invention relates to the technical field of bottom protection plates, and provides an engine bottom protection plate and a preparation method thereof. The engine bottom protection plate is prepared from the following raw materials in parts by weight: 40 to 50 parts of polypropylene, 15 to 20 parts of glass fiber, 5 to 10 parts of silicon carbide modified carbon fiber, 5 to 9 parts of nano silicon dioxide, 2 to 3 parts of compatilizer, 0.5 to 1 part of antioxidant, 0.3 to 0.5 part of calcium stearate and 0.4 to 0.6 part of polyethylene wax. The engine bottom guard plate provided by the invention is high in hardness, also has certain acid and alkali resistance, keeps good mechanical properties, and meets the development of the modern automobile industry and the change of consumer demands.
Owner:BAZHOU BEIANG AUTO PARTS CO LTD
High-toughness corrosion-resistant titanium alloy and preparation method thereof
The invention relates to a high-toughness corrosion-resistant titanium alloy, which comprises the following chemical components in percentage by weight: 1.2-2.8% of Ni; 5.0 to 7.0 parts of Al; 3.0 to 7.0 parts of Cu; 3.0 to 5.0 parts of V; 0.3 to 0.7 part of Si; 0.15 to 0.35 part of O; and the balance of Ti. The invention relates to a preparation method of a high-toughness corrosion-resistant titanium alloy. The preparation method sequentially meets the following steps and content requirements: smelting an ingot by adopting a consumable electrode vacuum furnace; the forging blank is subjected to heat preservation for 1-3 hours at the temperature of 1000 DEG C or above, and then quenching is conducted to obtain a full- Elements of Cu, Si, Ni and O are added, so that the width of the martensite lath after refining and quenching is realized; performing hot rolling to obtain a nano ultra-fine grain structure; and after solid solution treatment, quenching is conducted, and the high-toughness corrosion-resistant titanium alloy is obtained. According to the method, the equipment requirement is low, and the strength of the titanium alloy is greatly improved under the condition that the plasticity and toughness of the material are not reduced; and the composite material has excellent comprehensive mechanical properties and can be widely applied to many important fields such as aerospace, biomedical treatment, petrochemical engineering, automobile industry and ocean engineering.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI
Carbon nanotube modified acrylic resin coating and preparation method thereof
The invention relates to the technical field of coatings, and discloses a carbon nanotube modified acrylic resin coating and a preparation method thereof. The coating disclosed by the invention is prepared from the following raw materials in parts by weight: 100 parts by weight of a carbon nanotube modified water-based acrylic resin emulsion, 0.5 to 0.8 part by weight of a dispersing agent, 8 to 10 parts by weight of deionized water, 0.1 to 0.3 part by weight of a de-foaming agent, 5 to 7 parts by weight of a coalescing agent, 0.1 to 0.3 part by weight of a rheological agent and 0.8 to 1 part by weight of a flatting agent. A physical-chemical cross-linked network structure is formed in the coating by utilizing a long-chain structure and a dialkenyl structure contained in the functionalized carbon nano tube, and the physical-chemical cross-linked network structure and the uniformly dispersed carbon nano tube synergistically improve the mechanical property of the material, and imidazole quaternary ammonium salt and thymol structures contained in the functionalized carbon nano tube synergistically improve the antibacterial property of the material. The paint prepared by the invention has a relatively wide application value in the fields of furniture, woodware, automobile industry and the like.
Owner:ANHUI PUMIYANG NEW MATERIAL CO LTD
Intelligent chassis energy management system for mountainous city
The invention, which belongs to the technical field of the automobile industry, discloses an intelligent chassis energy management system for a mountain city, and the system comprises a sensing module which is used for collecting topographic data and vehicle state data; the decision module is used for predicting the kinetic energy recovery demand of the vehicle in real time by taking the topographic data as input according to a pre-constructed deep learning prediction model, and generating dynamic decision information based on the kinetic energy recovery demand and the vehicle state data; the execution module is used for controlling each subsystem of the intelligent chassis to execute corresponding adjustment operation according to the dynamic decision information output by the decision module in real time; and the optimization module is used for acquiring the actual execution effect of the execution module in real time, adjusting related decision parameters in the dynamic decision information based on a difference result between the actual execution effect and the expected effect of the dynamic decision information, and optimizing and training the deep learning prediction model through the actual execution effect and the corresponding dynamic decision information.
Owner:WESTERN INTELLIGENT VEHICLE (CHONGQING) TECH CO LTD
EMB clamping force prediction method considering multi-source uncertainty
The invention discloses an EMB clamping force prediction method considering multi-source uncertainty, and belongs to the technical field of automobile industry, and the method comprises the steps: obtaining a historical mapping relation between clamping force and control input, building prior distribution, and employing normal distribution as the prior distribution to describe an expected range of the clamping force; the method comprises the following steps: acquiring observation data of clamping force historically collected by a sensor, introducing the observation data into a likelihood function, and setting a relationship between the observation data and real clamping force to be influenced by multi-source noise to generate an error model so as to describe probability distribution of the observation data under specific clamping force by maximizing the likelihood function; on the basis of a Bayesian inference framework, updating the trust degree of the clamping force predicted by the EMB through prior distribution and a likelihood function, and calculating posterior distribution by using known prior information and real-time observation data; and extracting 95% confidence interval and uncertainty index in the posterior distribution, and when the confidence interval or the system entropy value is greater than the uncertainty index, rejecting or optimizing the prediction result of the clamping force predicted by the EMB.
Owner:WESTERN INTELLIGENT VEHICLE (CHONGQING) TECH CO LTD
Flexible wave-absorbing silicon carbide fiber cloth and preparation method thereof
The invention relates to the technical field of functional materials, in particular to flexible wave-absorbing silicon carbide fiber cloth and a preparation method thereof. The fiber cloth takes modified silicon carbide fibers as a matrix, graphene nanosheets are uniformly dispersed in the fiber cloth, and the surface of the fiber cloth is coated with a wave-absorbing coating; the wave-absorbing coating comprises the following components in percentage by weight: 30-50% of epoxy resin, 20-35% of carbon nanotubes and the balance of cobalt ferrite nanoparticles; the diameter of the silicon carbide fibers is 5-10 [mu] m, the thickness of the graphene nanosheets is 5-10 nm, the particle size of the cobalt ferrite nanoparticles is 50-100 nm, the pipe diameter of the carbon nanotubes is 10-30 nm, and the length of the carbon nanotubes is 1-10 [mu] m; the silicon carbide fiber cloth prepared by the invention not only has excellent flexibility and mechanical property, but also has excellent wave-absorbing property, and can be widely applied to the fields of stealth clothing, automobile industry, aerospace and the like when being used for preparing stealth composite materials.
Owner:ZHENGZHOU UNIV
α+β type titanium alloy with high strength and low yield ratio and preparation method thereof
ActiveCN116590571BIncreasing energy efficiencyMetal rolling arrangementsAuto industryChemical composition
The present invention relates to the field of titanium alloy materials, and specifically refers to an α+β titanium alloy with high strength and low yield ratio and a preparation method thereof. The chemical composition of the titanium alloy is Al: 5.0-7.0; V: 3.0-5.0; x: 0.1-10 (x is a eutectic β-stabilizing element such as Fe, Mn, Cr, Ni, Cu, etc.); the remainder is Ti. The preparation method of the titanium alloy is as follows: first, after keeping warm in the two-phase region for a period of time, it is rapidly cooled to room temperature to obtain a lamellar α″ martensite precursor; then the alloy with the lamellar α″ martensite precursor is cold rolled at room temperature, and the total strain is in the range of 10% to 50%. Finally, the cold-rolled plate is annealed for different times in the temperature range of 800-850°C to obtain an α+β titanium alloy with a two-stage equiaxed α phase structure. The α+β titanium alloy with high strength and low yield ratio prepared by the present invention can be widely used in important fields such as aerospace, marine engineering, petrochemical industry, automobile industry and biomedicine.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI
Nuclear fusion reactor with one reactor chamber
InactiveDE102024003673A1Nuclear energy generationLow temperature fusion reactorAuto industryNuclear engineering
The invention is a fusion reactor and can solve energy problems. The reactor could be particularly important for the automotive industry because it can be used as a primary energy source. It enables the advancement of electromobility and could be installed in any vehicle. The reactor consists of a fusion chamber containing two fluid accelerators designed to send a fusion-capable, incompressible liquid in the form of very small microdroplets, generated in pairs, to a collision point. The microdroplets are then forced into collision at speeds of approximately 50–200 km / s. Due to the very high speed of the microdroplets, partial nuclear fusion occurs at the collision point, releasing energy that accelerates the components of the microdroplet in all directions and also impacts the following microdroplets, leading to additional nuclear fusion reactions there.The molecules / atoms of the liquid are additionally optimally aligned by electric fields for nuclear fusion of the deuterium atoms, directly at the collision point.
Owner:MERLAKU KASTRIOT
Bypass echelon current limiting topology and method of solid-state power distribution equipment
PendingCN121307805ADc-dc conversionEmergency protective arrangements for limiting excess voltage/currentOvervoltageAnti jamming
The invention discloses a bypass inductor echelon current limiting topology and method for solid-state power distribution equipment, relates to the technical field of power electronic distribution, and is suitable for solid-state power controllers in the fields of aerospace, new energy automobiles and industrial automation. In order to solve the problems that when a large capacitive load is started, a current peak is likely to be generated to damage a device, and an existing current limiting scheme is low in efficiency or large in size, the topology comprises an input circuit, a main power circuit, an auxiliary circuit, a current limiting circuit, an absorption circuit and a load side circuit. According to the method, the auxiliary circuit switch tube is turned on in an echelon mode, and the main switch tube is turned on to complete starting after load voltage approaches power supply voltage and reaches a non-voltage-difference condition. According to the planar inductor integrated PCB, the size is reduced, the problem of long-term heating of a resistor is solved, the TVS overvoltage protection and RC anti-interference design are matched, the current peak is effectively restrained, the system efficiency and reliability are improved, and the high-power-density and differential-pressure-free starting requirements are met.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
Integral impeller forming method and integral impeller
The invention relates to the technical field of impellers, in particular to an integral impeller forming method and an integral impeller, and the integral impeller is manufactured through the steps of manufacturing a water-soluble core, manufacturing an impeller wax mold, removing the water-soluble core in the wax mold, manufacturing slurry of a mold shell, manufacturing the mold shell, dewaxing and cleaning, roasting and forming parts. The water-soluble core is used for supporting the inside of the wax mold, a complex internal structure is formed through an accurate molding process, the size accuracy and the surface quality of the impeller are ensured, then an integral shell is obtained through three-layer coating, alloy is poured into the shell at high temperature to be solidified to form an impeller part, the integrity of the impeller and the consistency of materials are ensured, and the service life of the impeller is prolonged. According to the method, the risk of size inaccuracy caused by secondary splicing of the impeller is effectively avoided, the precision and the quality of a casting part are greatly improved, particularly in the precision casting field such as the aerospace industry or the automobile industry, remarkable technical advantages are achieved, and the performance reliability and the service life of impeller parts are ensured.
Owner:JIANGYIN YIBO PRECISION CASTING CO LTD
Aluminum alloy products and a method of preparation
The present invention relates to aluminum alloy products that can be riveted and possess excellent ductility and toughness properties. The present invention also relates to a method of producing the aluminum alloy products. In particular, these products have application in the automotive industry.
Owner:NOVELIS INC(US)
A dual-phase high-entropy ceramic material for high-temperature thermal barrier coatings and a method of making the same
The application relates to a dual-phase high-entropy ceramic material for high-temperature thermal barrier coatings and a preparation method thereof, in particular to a dual-phase high-entropy ceramic (La 0.2 Nd 0.2 Gd 0.2 Y 0.2 Ho 0.2 )2Zr2O7 with low thermal conductivity and high thermal expansion coefficient, which is mainly used for thermal isolation, thermal barrier coatings and other applications in high-temperature environments. The application is prepared by adopting a solid-phase reaction sintering process through accurate design of the combination of rare earth elements, forms a stable dual-phase structure, effectively inhibits grain growth through grain boundary pinning, and thus maintains a nanoscale grain structure. Meanwhile, the material can efficiently block heat transfer at high temperatures through optimization of phase proportion, and the thermal expansion characteristics are matched with a metal base layer, effectively avoiding the falling risk caused by the difference in thermal expansion of the two, and thus greatly improving the service life and reliability of the material in a high-temperature environment. The high-entropy ceramic material of the application can be widely applied to fields with high demand for high-temperature thermal isolation in aerospace, aviation, automobile industry and the like, is especially suitable for thermal barrier coatings, high-temperature thermal insulation materials and other high-temperature thermal insulation applications, and has important engineering application value.
Owner:CHINA WEST NORMAL UNIVERSITY
Flame-retardant polyamide composition, process for its preparation and use
The present application relates to a kind of flame-retardant polyamide compositions and its preparation method and application.The flame-retardant polyamide compositions, including the following weight parts of component:PA6T / 66 resin 28~70 parts, PA6I / 6T resin 5~25 parts, flame retardant 10~21 parts.The flame-retardant polyamide compositions of the present application has good stability of mechanical properties (tensile strength) in long-period heat retention injection molding, and can be applied to long-time molding cycle large product in the field of automobile industry.
Owner:ZHUHAI WANTONG SPECIAL ENG PLASTICS CO LTD +1
Preparation method of isotropic porous carbon material, porous carbon reinforced nonmetal or metal composite material and preparation method and application thereof
The present application belongs to the field of composite materials and lithium batteries, and particularly relates to a preparation method of isotropic porous carbon material, a porous carbon reinforced nonmetal or metal composite material and a preparation method and application thereof. Liquid polyacrylonitrile oligomers are subjected to heat treatment technology under a protective atmosphere to obtain a porous carbon precursor material; the porous carbon precursor material is subjected to high-temperature graphitization enhancement technology under a protective atmosphere to obtain a porous carbon material; and quantitative pore making is performed by controlling oxygen flow under an oxygen atmosphere to obtain an isotropic porous carbon material with uniform pore structure distribution. The above-prepared isotropic porous carbon material is used as a reinforcing phase to be combined with metal or nonmetal to prepare composite materials with different properties, so as to improve the performance of the composite materials, which can be applied to lightweight high-strength structural parts in the fields of aerospace and automobile industry, and can also be used as negative electrode materials in the field of lithium batteries.
Owner:SHENZHEN EIGEN EQUATION GRAPHENE TECH CO LTD
Vehicle turn indicating means
The invention relates to the automotive industry, and more particularly to indicating means, and can be used for indicating vehicle turning at junctions and on roads. The technical result consists in the reliability and durability of the elements of a vehicle turn indicating means disposed inside a rear light and the possibility of factory installation of the indicating means during assembly of a vehicle. This is achieved in that the claimed vehicle turn indicating means comprising a turn sign consisting of a light-emitting diode strip contains an electric circuit board comprising at least one set of the following electrical elements: resistors, diodes, transistors, light-emitting diodes and a capacitor, which are connected according to the circuit diagram shown in figure 1, wherein the turn sign consisting of a light-emitting diode strip is mounted inside a rear light of a vehicle.
Owner:BEISENGALIYEV ILYAS SERIKKAZYEVICH
A method for designing and installing a rear license plate position
The present application discloses a method for designing the position parameters of a rear license plate and a method for installing the same, relating to the field of automotive industry development technology. The method comprises the following steps: S1: creating a virtual baseline, placing the rear license plate based on the virtual baseline, and respectively constraining the Z-height between the lower edge of the rear license plate and the virtual baseline, the license plate inclination angle, and the license plate viewing angle; S2: determining the angle between the light plate and the license plate, and placing the rear license plate light; S3: determining its transverse center end face, and aligning the rear camera center line with the transverse center end face; S4: determining the field of view spacing; establishing a dimension chain constraint model, setting the vertical height from the lower edge of the rear camera to the baseline, and obtaining the correlation between the license plate inclination angle and the Z-height. The method for designing the position parameters and the method for installing the present application, while meeting regulatory requirements, can quickly design the position of the rear license plate by establishing a dimension chain constraint model, thereby resolving the technical problem of low passive verification efficiency in the prior art.
Owner:VOYAH AUTOMOBILE TECH CO LTD
Vehicle production and repair self-checking control method and device and server
This invention provides a self-inspection control method, device, and server for vehicle production and maintenance, relating to the technical field of the automotive industry. The method includes: when the power supply to an ordered vehicle is detected to be on, connecting an information domain controller to the vehicle's manufacturing execution system (MES) based on a key sent by a vehicle networking service platform; sending vehicle information provided by the MES to the information domain controller, enabling the information domain controller to perform a self-inspection process to prevent errors in the vehicle's electronic control system; after the self-inspection of the vehicle's electronic control system passes, switching the information domain controller to production mode and using an electronic inspection program and a set of external cameras to perform a production self-inspection process on the vehicle's electronic control components and external equipment, so that the ordered vehicle can be delivered after the vehicle's production self-inspection passes. This invention can significantly improve the accuracy and efficiency of fault detection during vehicle production and maintenance.
Owner:SKY WELL (HUAINAN) NEW ENERGY AUTOMOBILE CO LTD
Carbon nanotube reinforced flame-retardant polycaprolactone compound as well as preparation method and application thereof
The invention relates to a preparation method of a carbon nanotube reinforced flame-retardant polycaprolactone compound, and belongs to the field of flame-retardant polymer composite materials. The compound comprises polycaprolactone (PCL), a toughening agent (PBAT), carbon nano tube grafted polycaprolactone (CNT-g-PCL), polyphosphate and polydopamine / SiO2, as well as an antioxidant, an ultraviolet absorbent, a lubricating agent and a drop resistance agent. All the components are premixed and dried and then are subjected to melt blending in a double-screw extruder to prepare the compound, CNT-g-PCL improves the dispersity and interface bonding force of carbon nanotubes through chemical grafting, and polyphosphate and polydopamine / SiO2 achieve the flame-retardant synergistic effect. The obtained composite material has excellent mechanical property, flame retardant property and good biodegradability, and is suitable for the fields of electronic devices, aerospace, environment-friendly packaging, automobile industry and the like.
Owner:武夷学院
Backrest grid wire rod rubber sleeving device
The utility model provides a backrest grid wire rod rubber sleeving device which comprises a fixing table, a mechanical arm, a three-axis moving mechanism, a moving block, a conveying mechanism, a limiting block and a cutting mechanism. The movable block arranged at the output end of the three-axis moving mechanism, the conveying mechanism used for conveying the rubber sleeve and the cutting mechanism used for cutting the rubber sleeve are arranged, the rubber sleeve penetrates into a backrest grid under the action of the three-axis moving mechanism, and the rubber sleeve arranged in the backrest grid in a sleeved mode is cut off under the action of the cutting mechanism. Then, a new rubber sleeve is conveyed again under the action of the conveying mechanism, then the three-axis moving mechanism is started, and the next rubber sleeve penetrates into the backrest grid, so that continuous rubber sleeving of the rubber sleeve is achieved; therefore, the situation that workers need to assemble the rubber sleeves at the tail ends of the backrest grids one by one is eliminated, the efficiency is improved, meanwhile, manpower is saved, and the requirement for high-speed development of the modern automobile industry is met.
Owner:GUANGZHOU WIRE AUTO PARTS CO LTD
A kind of velvet sofa technology fabric and preparation method thereof
ActiveCN117071291BStain/soil resistant fibresTextile/flexible product manufacturePolyesterPolymer science
This invention discloses a velvety sofa fabric and its preparation method, belonging to the field of textile fabric processing technology. This invention provides a hollow orange-petal-shaped microfiber nonwoven fabric as the base material, and a waterborne polyurethane (WPU) film as the polymer coating. Hollow orange-petal-shaped microfiber / waterborne polyurethane (PET-PA6 / WPU) synthetic leather is obtained through dry film transfer technology, achieving the green preparation of microfiber leather. Fluoropolymers, due to their low surface free energy, high chemical and thermal stability, excellent adhesion and water and oil repellency, self-cleaning properties, low refractive index, and low dielectric constant, are widely used in construction, functional coatings, electronic devices, the automotive industry, and fabric finishing. Using this finishing agent gives the sofa fabric water, oil, and stain repellency.
Owner:YIXING ZHONGDA TEXTILE
Endoscope (BPM-30 series)
1. The name of the design product: endoscope (BPM-30 series). 2. The use of the design product: endoscope for detecting and analyzing the position of human eye not easy to reach, which can be applied to medical, mechanical manufacturing, petrochemical industry, aerospace, electric power construction, railway and ship, automobile industry, engineering construction, boiler pressure vessel, military reconnaissance and other special equipment inspection fields. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.
Owner:GUANGZHOU POTEI TESTING INSTR CO LTD
Tubular beam bending die
ActiveCN222902266UMetal-working feeding devicesPositioning devicesAuto industryMechanical engineering
Owner:WUHAN YUSHENGXIN TECH CO LTD
Automobile sheet metal part hole shrinkage detection device
The invention discloses a test device for measuring thrust of a small engine, and relates to the technical field of visual inspection in the automobile industry. In order to solve the technical problems in the prior art that the detection precision of the conventional method on the hole shrinkage defect is low and the detection reliability is influenced, the technical scheme provided by the invention is as follows: the device comprises an image reference selection module for selecting a plurality of images with different angles as reference images; the image restoration module is used for carrying out denoising processing on the reference image; the perspective transformation module is used for setting an area where diameter shrinkage may occur according to a design drawing and processing technology information of the sheet metal part and realizing automatic alignment of the detection area; the extraction module is used for carrying out multi-scale extraction and frequency domain analysis on the image; and the defect decision-making module is used for carrying out final decision-making on the hole shrinkage defect based on the gradient intensity, the area and the shape characteristics of the hole shrinkage area. The device is suitable for detecting the hole shrinkage of the sheet metal part.
Owner:HARBIN NAISHI INTELLIGENT TECH CO LTD
10Mn medium manganese steel plate with high yield strength and high product of strength and elongation and preparation method of 10Mn medium manganese steel plate
The invention provides a machining method for improving the yield strength and the product of high strength and elongation of a 10Mn medium manganese steel plate, and relates to the technical field of medium manganese steel. The 10Mn medium manganese steel plate with high yield strength and high product of strength and elongation is obtained through ingot casting, forging, hot rolling, warm rolling, cold rolling and tempering. The austenite grain size of the 10Mn medium manganese steel plate can reach 0.39 mu m, and the austenite content can reach 30.4%. According to the machining method, the yield strength and the product of strength and elongation of the 10Mn medium manganese steel plate can be remarkably improved under the condition that the production cost is slightly increased, the comprehensive requirements of the modern industry, especially the automobile industry, for material performance are met, and industrial production and application of medium manganese steel are promoted.
Owner:JIANGXI UNIV OF SCI & TECH
Method for producing hot-dip galvannealed steel sheet for automobile outer panel
ActiveCN116926428BHot-dipping/immersion processesProcess efficiency improvementAuto industryMetallurgy
The application discloses a preparation method of a hot-dip galvanizing zinc-aluminum-magnesium plated steel plate for automobile outer plates. The method controls the uniformity of the substrate organization composition, the surface structure and the organization, strictly controls the thickness of the substrate surface oxide film and the crystallization orientation, and enhances the wettability, adhesion, reactivity and solubility between the plating solution and the steel base. The method overcomes the quality defects such as shrinkage, stripes and small particles caused by the local shrinkage of the plating solution due to the surface tension and wettability difference in the hot-dip process of the prior art. The method not only realizes the 'zero defect' of the zinc-aluminum-magnesium plated steel plate surface, but also has high surface quality, compactness and uniformity, good adhesion, excellent forming performance and coating performance, and can meet the requirements of automobile outer plates, has a wide application prospect in the automobile industry, and will produce very significant social and economic benefits.
Owner:PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
Composite polymer material and its use in a damping panel of a vehicle
This invention belongs to the field of polymer composite materials technology, specifically relating to a composite polymer material and its application in vehicle damping panels. The composite polymer material provided by this invention comprises SBS modified asphalt, fillers, petroleum resin, EVA, silica, silane coupling agent, SBS styrene-butadiene rubber, and plasticizers. The fillers include magnetic powder and KF. The composite polymer material provided by this invention significantly improves the consistency of the material's damping factor, thermal stability, and high and low temperature adhesion performance, ensuring strong and long-lasting magnetic force, thereby meeting the stringent requirements of the automotive industry for lightweight, high reliability, and excellent NVH performance.
Owner:AIHUA (ZHEJIANG) NEW MATERIAL CO LTD
Polyelectrolyte complex made of chitosan and phytic acid, production method and use thereof
The present invention relates to a polyelectrolyte complex consisting of chitosan and phytic acid, the method for producing said polyelectrolyte complex using mechanochemical synthesis and its use as an antimicrobial and antioxidant bio-fire-retardant additive for epoxy resins. Furthermore, the present invention relates to a material comprising said polyelectrolyte complex and a polymer, preferably an epoxy resin, an article coated with said flame retardant and an article having said flame retardant embedded therein. Therefore, the present invention is framed within the fireproof plastics industry with high anti-fire demands such as the automotive industry, aeronautics, construction or the electrical-electronic sector.
Owner:ASOCIACION DE INVESTIGACION DE MATERIALES PLASTICOS & CONEXAS
Automatic edge covering mechanism for automobile skylight sun shield
The utility model discloses an automatic edge covering mechanism for an automobile skylight sun shield, which comprises a rack, and a sun shield lower die is arranged on the front side of a working table of the rack and is used for placing the skylight sun shield to be subjected to edge covering; at least one air cylinder clamp is arranged on each of the left side and the right side of the working table of the rack and is used for clamping and fixedly placing a skylight sun shield on the sun shield lower die; a fabric pressing and covering mechanism is arranged on the rear side of the working table face of the machine frame and used for pressing and covering edge covering fabric bonded with the skylight sun shield. The automatic edge covering mechanism for the automobile skylight sun shield is simple and compact in structure, reasonable in layout and convenient to operate, the product quality can be improved, and the requirement for large-batch production in the automobile industry is met; the edge covering action of the automobile skylight sun shield fabric can be automatically completed, the production efficiency can be improved, the labor intensity of workers can be reduced, and the manufacturing cost and the energy consumption cost of products can be saved.
Owner:SHANGHAI CHUNHUI INVESTMENT DEV CO LTD