14results about How to "Achieve diffusion" patented technology

The application discloses a preparation method of a multistage coating oxygen-mediated annealing based on RAFM steel / titanium nitride, and belongs to the technical field of coating preparation. The application method comprises the following steps: depositing a TiN coating on the surface of a low-activated ferrite / martensite steel base by using a magnetron sputtering, using a pure titanium target, and setting the nitrogen / argon flow ratio to 1:13-1:18, the base vacuum degree to 4-6*10 ‑5 Pa, and the deposition time to 60-90 min, and not applying additional active heating to the base during the deposition process; packaging the deposited coating sample in a quartz tube, providing a trace oxygen atmosphere in the tube by means of the gas pressure in the tube; and then performing 800-1000 DEG C annealing treatment and keeping the temperature for 90-120 min. Through oxygen-mediated element diffusion and reaction, a multistage composite structure, which comprises, from the base outward, an internal oxidation layer, an Fe internal enrichment layer, a TiN layer, an Fe external enrichment layer and an external oxidation layer, is formed in the TiN coating in situ. The application method is simple in process, does not need to deposit a transition layer additionally, the prepared multistage coating is well combined with the base, has excellent thermal shock resistance, and can withstand more than 30 times of thermal shock cycles.

The invention discloses a multistage coating oxygen-mediated annealing preparation method based on RAFM steel / titanium nitride, and belongs to the technical field of coating preparation. The method comprises the steps that a TiN coating is deposited on the surface of a low-activation ferrite / martensitic steel matrix through magnetron sputtering, a pure titanium target material is used, the nitrogen-argon flow ratio is 1: 13-1: 18, the background vacuum degree is 4-6 * 10 <-5 > Pa, the deposition time is 60-90 min, and extra active heating is not applied to the matrix in the deposition process; placing the deposition coating sample in a quartz tube for packaging, wherein the gas pressure in the tube provides a trace oxygen atmosphere; and then annealing treatment is conducted at the temperature of 800-1000 DEG C, and heat preservation is conducted for 90-120 Through oxygen-mediated element diffusion and reaction, a multi-stage composite structure sequentially comprising an inner oxide layer, an Fe inner enrichment layer, a TiN layer, an Fe outer enrichment layer and an outer oxide layer from a matrix to the outside is formed in the TiN coating in situ. The method is simple in process, a transition layer does not need to be additionally deposited, and the prepared multi-stage coating is well combined with a matrix interface, has excellent thermal shock resistance and can bear more than 30 times of thermal shock cycles.

The invention relates to the technical field of cables, and discloses a safety early warning cable with a temperature sensing function and a production process thereof.According to the cable, a spiral metal protection tube and a temperature measurement optical fiber are arranged in a conductor to form a core temperature measurement channel, and a redundant temperature measurement system is formed in cooperation with a multi-core sensing optical cable; vibration sources are accurately distinguished by combining two-way vibration sensing and AI signal recognition, and meanwhile, a multi-layer composite isolation layer and a three-dimensional heat conduction network are designed, so that efficient heat diffusion is achieved; according to the production process, the insulation performance of the cable and the stability of the sensing element are improved through a precise temperature control co-extrusion process, an online thermal stress relaxation treatment process and an optical fiber pre-fixing process. According to the invention, the temperature measurement reliability and the vibration identification precision are obviously improved, the cable thermal management capability is optimized, the service life is prolonged, the insulation eccentricity and the pre-crosslinking defect can be effectively reduced by the production process, and the overall quality of the product is improved.

The utility model discloses an aeration disc anti-clogging diffuser for sewage treatment, which comprises a bearing pipe body, an airflow diffusion mechanism is fixed on one side in the bearing pipe body, a rotating rod is rotatably connected in the airflow diffusion mechanism, a connector is fixed at one end of the rotating rod, and the other end of the rotating rod is connected with the bearing pipe body. The bearing pipe body is provided with a connector, four turbine blades are fixed to the circumferential side wall of the connector at equal intervals, four cleaning mechanisms are fixed to one end of the connector at equal intervals, a filter screen plate is installed at one end of the bearing pipe body, the cleaning mechanisms correspond to the filter screen plate, and a sealing head is connected to one end of the bearing pipe body in a threaded and screwed mode. According to the utility model, not only can the blocking rate of the pore passage of the aeration disc be effectively reduced, but also the quick disassembly and assembly can be carried out, the maintenance cost and time are greatly reduced, in addition, the aeration efficiency is further improved, the goal of sewage treatment can be better realized, the service lives of the aeration disc and related equipment are prolonged, and the frequency of equipment replacement is reduced.

The utility model provides a rapid cutting device for paperboard processing, and belongs to the technical field of paperboard processing. Comprising a fixing assembly, the fixing assembly comprises guide plates arranged at the top of a cutting table, positioning legs are arranged at the bottoms of the guide plates, open grooves are formed in the sides, away from the positioning legs, of the guide plates, rolling wheels are arranged on the guide plates through the open grooves, and first supporting blocks are fixed to the tops of the guide plates; a first telescopic plate is fixed to one side of a first supporting block, a fixing assembly is used for fixing and guiding a paperboard when the paperboard is cut, a guide plate at the top of a cutting table is stably placed through positioning legs at the bottom, a rolling wheel is arranged on a groove in one side of the guide plate, the paperboard can move more smoothly, and the first supporting block is fixed to the top of the guide plate; the length of the first telescopic plate on one side can be flexibly adjusted, the assembly can effectively fix the paperboard, it is guaranteed that the cutting direction is accurate, and the cutting stability and precision are improved.

The utility model discloses treatment agent self-adaptive coating equipment for irregular vamps, and belongs to the technical field of vamp preparation. The device comprises a positioning and clamping tool, a coating tool assembly, a glue barrel assembly and a three-axis linkage assembly, the positioning and clamping tool comprises a first air cylinder, a clamping jaw and a linear guide rail; the first air cylinder is connected with the clamping jaw through the connecting rod mechanism, and the clamping jaw is installed on the linear guide rail in a sliding mode. The coating tool assembly comprises an air blowing nozzle, a dispensing valve, a sliding table air cylinder and a dispensing nozzle; through cooperative control of the three-axis linkage assembly and the gluing head and in combination with the distance measuring sensor for real-time feedback, accurate self-adaptive coating of irregular vamp curved surfaces can be achieved, the technical problems that traditional equipment is uneven in coating, unclear in sideline and scattered in point are effectively solved, the position precision of treating agent coating is remarkably improved, and the working efficiency is improved. And the vamp processing quality is reliably guaranteed.

The invention relates to the technical field of high-voltage switch equipment and vacuum arc extinguishing, in particular to a composite magnetic field contact structure and a vacuum arc extinguishing chamber based on the composite magnetic field contact structure. The contact blade assembly comprises an inner-ring contact blade and an outer-ring contact blade, the inner-ring contact blade is arranged in the central area of the facing cambered surface of the contact cup, and the outer-ring contact blade is circumferentially distributed on the radial outer side of the inner-ring contact blade; according to the invention, through the longitudinal magnetic field contact cup and the transverse magnetic field contact piece, an arc extinguishing mode that accumulation is prevented by utilizing longitudinal magnetism in an arc starting area and rotation is promoted by utilizing transverse magnetism in a diffusion area is realized, and the arc extinguishing capability of the vacuum arc extinguishing chamber is improved.

This application relates to a vacuum drying apparatus for highly consistent film formation, comprising a housing with a sealed processing chamber inside; a negative pressure component connected to the processing chamber via multiple air extraction ports; and a flow equalization component located at the top inner edge of the housing for equalizing the airflow generated by the negative pressure component. The flow equalization component includes multiple flow equalization plates, each with multiple uniformly distributed flow equalization grooves on its top surface, and multiple through-hole air extraction holes at the bottom of each groove. Multiple flow equalization plates are stacked sequentially, with the top plate of the stack pressed against the top inner edge of the housing. Multiple air extraction holes on the upper flow equalization plate are connected to multiple flow equalization grooves on the lower flow equalization plate. This application utilizes the flow equalization component to perform multi-layer flow equalization and stabilization treatment on the high-speed, concentrated airflow before applying it to the processing chamber. This ensures the uniformity of the airflow on the film surface while maintaining the extraction rate, and the airflow is gentler, thus ensuring consistent film formation and improving film quality.

The utility model relates to the technical field of toilet deodorization, in particular to a motor train unit train toilet deodorization device which comprises a base, a sleeve is fixedly connected to the top of the base, a sensor is arranged outside the sleeve, an inverted bucket is fixedly connected to the top of the sleeve, and the sleeve is communicated with the interior of the inverted bucket. A through groove is formed in the top of the inversion bucket, six sets of fan blades are rotatably connected to the interior of the through groove and distributed at equal intervals, swing rods are rotatably connected to the sides, away from each other, of the fan blades, and a rotating disc is rotatably connected to the side, away from the fan blades, of each swing rod. Compared with an existing deodorization device for the toilet of the motor train unit, the deodorization device for the toilet of the motor train unit has the advantages that through the design of the fan blades and the telescopic rod, fragrance can be diffused and sealed according to requirements, and the overall practicability is greatly improved.

The utility model provides a multi-contact vehicle machine screen detection device. The device can simulate multi-point touch operation; controlling the pressure of the clamping device; the lens is adapted to a curved screen; the screen zooming function can be detected. The specific functions of the device are realized as follows: the end effector controls the micro conductive silica gel disc to be powered on and powered off, a complex multi-contact operation scene is simulated, and the reliability and the accuracy of the multi-contact function of the vehicle machine screen are detected. A lifting type clamping base is adopted, so that the clamping pressure and the clamping size can be adjusted; and the loss caused by improper clamping can be effectively reduced. The five auxiliary touch control rods can stretch out and draw back within a certain range under the action of built-in springs, so that the touch control rods can better adapt to a curved screen; the slotted disc can limit the contraction and expansion of the elastic touch control assembly within a certain range, and the elastic touch control assembly is driven to slide on the screen under the action of the slotted disc through the on-off of the miniature conductive silica gel disc on the screen so as to realize the zooming function.

The invention discloses a simulation calculation method and device for sand core gas generation, electronic equipment and a storage medium, the method and device are applied to the electronic equipment, and specifically, initial and boundary conditions set by a user are received in response to a setting request of the user; calculating the initial and boundary conditions based on a discrete control equation obtained by processing a preset gas production diffusion control equation to obtain a gas production rate; and calculating according to the gas production rate to obtain the gas generation pressure and speed of the sand core. According to the scheme, simulation calculation of sand core gas generation can be achieved, a data basis is provided for further simulating the processes of gas accumulation, diffusion, casting entering and the like in the sand core casting process, people can conveniently explore the mechanism of gas hole generation and the influence on the casting process, and therefore theoretical support and prediction are provided for reducing the influence of sand core gas generation on the casting product performance; and a casting manufacturer is effectively helped to improve the percent of pass of castings.

The invention relates to a method for preparing a refractory high-entropy alloy diffusion couple sample based on a duplex process, and belongs to the technical field of alloys. According to the method, an electric arc melting method is adopted for carrying out semi-melting processing on a diffusion couple bonding surface of the refractory high-entropy alloy, the purpose of eliminating interface holes is achieved by softening a diffusion couple interface by adjusting current, and good bonding of high-melting-point diffusion couple samples of the refractory high-entropy alloy and pre-diffusion of components are achieved; and then a high-vacuum heat treatment furnace is used for conducting high-temperature diffusion treatment on the sample, and large-gradient component diffusion of the refractory elements is achieved. The problems that the refractory high-entropy alloy diffusion couple is poor in interface bonding degree, sensitive to impurities and prone to precipitation phase are effectively solved, the prepared refractory high-entropy alloy diffusion couple is high in quality and low in cost, a gradient component interval with hundreds of micrometers of continuous changes can be achieved on a millimeter-scale sample, and the method is suitable for industrial production. The method is suitable for ion irradiation mechanism research in the field of nuclear materials.

The utility model provides a kind of electric vehicle bluetooth unlocking device, it is related to electronic equipment technical field, comprising: machine body component;The both ends of the machine body component are equipped with expansion component, the expansion component of machine body component front side position is set to hinged mounting, the head position of machine body component is equipped with suspension component, the circuit board in machine body component is set to clamping installation directly, the convenient installation of circuit board is increased, the key component installed at machine body component is set to positioning structure, after the key component is conveniently positioned and used to stretch out, while the auxiliary shielding of shielding component when key component is retracted, the contact of expansion component and the external block of machine body component, let expansion component increase the diffusion of signal, increase the use convenient effect of device whole, solve the existing bluetooth key induction range smaller, when the problem such as forgetting to lock car occurs, cannot be closed in the position of far distance, lead to the problem of inconvenient use.

The utility model discloses a kind of PTC warm air device's heater, specifically related to the technical field of heater, including heater body, the lower end of the heater body is provided with warm air outlet auxiliary device, the warm air outlet auxiliary device includes: positioning assembly and fragrance component, the fragrance component is set in the lower end of positioning assembly.The utility model is compared with prior art, after installing the stable clamping of outer cover shell is completed, the heater body of the upper end setting can be blown down to carry out warm air heating work, when the heater body is completed fragrance heating work by the fragrance component of the lower end setting, ambient environment smell can be improved, realize fragrance diffusion, the device is replaced fragrance smell cotton by simple and convenient installation and disassembly work Conveniently, greatly enhance the practicability and use convenience of entire device.