1493 results about "Metallic materials" patented technology

A method for etching a metal containing material is provided. The metal containing material is exposed to a halogen containing fluid or plasma to convert at least some of the metal containing material into a metal halide material. The metal halide material is exposed to a ligand containing fluid or plasma, wherein at least some of the metal halide material is formed into a metal halide ligand complex. At least some of the metal halide ligand complex is vaporized.

According to an embodiment of the disclosure, there may be provided a foldable electronic device. A foldable electronic device may include a flexible printed circuit board (FPCB). The foldable electronic device may comprise a first housing including a first component, a second housing including a second component, a hinge assembly rotatably connecting the first housing and the second housing, a flexible display disposed from the first housing across a folding area where the hinge assembly is disposed to the second housing, and a flexible printed circuit board electrically connecting the first component and the second component, including a plurality of layers, and including a flexible portion corresponding to the folding area and rigid portions at one end and another end of the flexible portion. A signal line for transmitting a signal and / or power included in the plurality of layers of the flexible printed circuit board may include a metal material and include a first area, a second area, and a third area classified according to a degree of bending in a folding area of the flexible printed circuit board. At least one layer among the plurality of layers may be formed so that the metal material has different thicknesses in the first area, the second area, and the third area on a same layer. Other various embodiments may also apply.

The present application belongs to the technical field of metal materials, and particularly relates to a method for in-situ measuring MC carbide solid solution and precipitation temperature by internal friction. The present application uses pure iron and pure chromium to prepare Fe-Cr based alloy samples, processes the samples into internal friction samples after solid solution and rolling; in a vacuum environment, the samples are heated to a preset target temperature covering the expected solid solution characteristic temperature range of MC carbide at a constant rate and are kept at the temperature, then are cooled at the same rate, the internal friction value and modulus are continuously measured, and a first and second in-situ internal friction temperature spectrum is drawn; the frequency dispersion characteristics of grain boundary relaxation peak, the internal friction value mutation and the modulus change in the two temperature spectra are compared to determine the solid solution temperature and precipitation temperature of MC carbide. The method has high sensitivity and simple operation, and is suitable for in-situ characterization of grain boundary precipitates in low carbon content Fe-Cr based alloys.

The utility model discloses a kind of heavy metal material separation devices of renewable resources, including separation tank, the inside rotation of separation tank is equipped with two rotating rods C, the outer surface of two rotating rods C is commonly transmission installation and has conveyor belt C;The utility model is rotated by motor C and conveyor belt C rotation, to transport the material after crushing, this step ensures the continuous flow of material in the processing process, creates conditions for subsequent chemical treatment, by pump body and input pipeline extraction separation tank bottom reagent, by output pipeline and spray head respectively to magnetic material and non-magnetic material are sprayed, this step makes the heavy metal on the surface of material and reagent react, to realize the separation of heavy metal, can effectively separate and recover heavy metal material, reduce the pollution of heavy metal to environment, not only help to protect environment, but also recycle valuable heavy metal resources, promote the recycling of resources.

The utility model belongs to metal material processing technical field, specifically speaking is a kind of stainless steel water tank processing sand blasting device, including storage jar, the outside both sides of storage jar are fixedly installed with a plurality of first fixed plate, the bottom one end of a plurality of first fixed plate is fixedly installed with limit stop, rotatingly installed with connecting block between a plurality of first fixed plate, the bottom of connecting block is tightly in the top of limit stop, rotatingly installed with first fixed block in the inside of connecting block;Connecting block of first fixed plate between damping shaft connection utilizes the rotary resistance that damping shaft passes through its internal viscous medium, makes rotary lever and damping rod hover, slows down its descending speed, when rotating to certain angle, connecting block will be blocked by limit stop, makes that spray gun cannot continue to descend, and the rotary angle of spray gun is made by damping shaft to resist the force that its output port keeps forward direction makes it, avoid the problem that spray gun drops to ground due to the impact force of sand blasting process to cause injury to surrounding personnel.

This invention discloses manganese ion-substituted MgCoNiCuZn high-entropy oxides, their preparation methods, and applications, belonging to the field of metallic materials technology. It is a Mg... （1‑x） / 4 Co （1‑x） / 4 Ni x Cu （1‑x） / 4Zn （1‑x） / 4‑z Mn z O high-entropy oxides or Mg （1‑y） / 4 Co （1‑y） / 4Ni y Cu （1‑y） / 4 Zn （1‑y） / 4‑z Mn z The high-entropy oxides, with x and y values ​​of 0.15–0.35 and z values ​​of 0.02–0.08, are prepared by ball milling MgO, CoO, NiO, CuO, ZnO, and MnO powders in stoichiometric ratio, vacuum drying, thorough grinding, and then spreading the mixture evenly. The mixture is then placed in batches in a high-temperature tube furnace, slowly heated in an air atmosphere, held at that temperature, and then slowly cooled with the furnace. By gradually replacing Zn with Mn, the resulting high-entropy oxides exhibit excellent electrochemical performance.

This invention belongs to the field of metallic materials technology, specifically relating to a high-strength, high-heat-resistant magnesium-lithium alloy plate containing Ag and its preparation method. This invention employs a method of online heating and rolling with a small number of passes and large deformation amounts to further deform the extruded alloy slab. This process further breaks down the initially refined second-phase particles in the extruded alloy, dispersing them within the grains and at grain boundaries. This provides sufficient second-phase strengthening for the magnesium-lithium alloy, significantly improving the overall mechanical properties of the magnesium-lithium alloy sheet. The final product is a high-strength, high-heat-resistant magnesium-lithium alloy plate containing Ag, with a yield strength of 240MPa–275MPa, a tensile strength of 270MPa–330MPa, an elongation of 5%–15%, and a density of 1.470 g / cm³. 3 ~1.570g / cm 3 .

1. Name of the product in this design: Electronic Testing Machine (Universal). 2. Application of this design: This design is used to test the mechanical properties of non-metallic and metallic materials, and is widely used in metallurgy, chemical industry, construction, transportation, energy, aviation, aerospace, shipbuilding, weaponry and other fields. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The application discloses a kind of preparation systems of carbon nanotube reinforced metal matrix composite, it is related to the preparation technical field of carbon nanometer metal material, system includes including carbon nanotube preparation unit, carbon nanotube preparation unit connects mixer, multiple feed pipes are connected on mixer, multiple hole distribution plates are connected in mixer, rotary feeder is connected at the discharge port of mixer bottom, rotary feeder connects venturi tube, venturi tube connects material dispersion unit, material dispersion unit connects material melting unit, material melting unit is connected with for the spray gun that molten mixed material is sprayed to conveying belt, conveying belt connects mechanical tablet press, mechanical tablet press connects heat treatment furnace.The system realizes the accurate control of reinforcing phase morphology and dispersity, solves the technical problems of material interface combination and densification;And through the design of heat pressing setting unit, the comprehensive performance and production efficiency of material are significantly improved.

This application discloses a tail reducer housing, its manufacturing method, the tail reducer itself, and an aircraft. The tail reducer housing includes a frame, a main body, and a liner. The frame is made of metal and includes a frame connector and a frame main body. The frame connector is a cavity structure with openings at both ends; the frame main body is an annular structure surrounding the frame connector, and includes a first surface and a second surface, forming a cavity between the first and second surfaces. Each of the first and second surfaces has at least two first through holes; the main body is made of composite material and fills the cavity through the first through holes; the liner is made of metal and is a cavity structure with openings at both ends, and is embedded in the inner circumference of the frame connector.

The invention relates to a pneumatic vehicle tyre having a tread, a carcass (2) and a winding bandage with at least one winding bandage reinforcement, wherein the carcass (2) has a carcass ply (2a) with a carcass reinforcement (2b), and the carcass ply (2a) runs between bead regions via side walls (3). According to the invention, - in the carcass ply (2a), a carcass reinforcement (2b) made of a metallic material (mM) runs at a third angle (α3) which changes between the bead regions (4) in such a way that the carcass reinforcement (2b) runs radially below the tread (6) at a different third angle (α3) than in the bead regions (4) and / or in the region of the side walls (3); - the winding bandage reinforcement (8b) has an elongation at break (D) of between 2% and 6%; and - the pneumatic vehicle tyre (50) has a load index in the range of 71 to 126.

This utility model discloses a casting gate anti-splash buffer baffle device, including a fixed frame for connecting to casting equipment. A protective baffle is movably connected to the inner wall of the fixed frame near the top via a buffer assembly. The buffer assembly enables the protective baffle to buffer movement on the fixed frame. The protective baffle is arc-shaped with its concave surface facing the gate direction to disperse the impact of molten metal and reduce splashing. A mating assembly is rotatably adjustable near the bottom of the inner wall of the fixed frame, supporting the bottom of the protective baffle. This utility model, by setting an arc-shaped buffer baffle and buffer assembly, can effectively disperse and absorb the impact force of molten metal, greatly reducing splashing, improving the utilization rate of metal materials, and lowering production costs. The position and angle of the buffer baffle are adjustable to adapt to different casting processes and gate positions, improving the versatility and practicality of the device.

The present invention relates to a nanocellulose-based high-strength carbon fiber-reinforced polymer composite and a method for manufacturing same and, specifically, to a nanocellulose-based high-strength carbon fiber-reinforced polymer composite, infused with a thermosetting resin containing dispersed nanocellulose to simultaneously enhance strength and lightweight characteristics, and to a method for manufacturing same. The present invention provides the effects of significantly improving tensile strength and impact resistance of a composite by effectively inhibiting crack formation and uniformly distributing stress within the composite. Furthermore, by achieving a weight reduction compared to conventional metallic materials, the present invention can improve the fuel economy and energy efficiency of transportation means, such as automobiles and aerospace vehicles.

The application provides a film layer structure, a shell, an electronic device and a preparation method of the film layer structure. The film layer structure at least comprises a substrate layer, a first functional layer and a color layer which are stacked; the first functional layer is located between the substrate layer and the color layer; the material of the first functional layer is a composite metal material containing a first metal material and tungsten; from the side of the first functional layer facing the substrate layer to the side of the first functional layer facing the color layer, the atomic ratio of the first metal material to tungsten gradually decreases. The hardness of the film layer structure is good, so that the wear resistance of the film layer structure can be improved.

The invention provides a light-emitting baton, and relates to the technical field of traffic signal lights, a handle assembly of the light-emitting baton is mainly composed of a handle shell, a power supply element and a driving element, the power supply element and the driving element are installed in the handle shell, and the handle shell is made of a silica gel material. The handle shell made of the silica gel material can reduce the weight of the whole handle assembly, and meanwhile the impact resistance of the handle assembly is improved. The lamp assembly comprises the signal lamp illuminant and the white light illuminant, the white light illuminant is arranged at the end of the light source support, and the signal lamp illuminant is arranged on the light source support and extends in the length direction of the light source support, so that the lamp assembly can emit white light for illumination and also can emit white light for illumination. And the existence of red, green, blue light, white light and red, green and blue light of the signal lamp luminous body can also be realized, so that the lamp assembly realizes the diversification of purposes.

The application discloses a kind of intelligent detection systems of metal material surface defects, it is related to defect detection technical field, including state curve module, for obtaining the position of metal material along the direction of movement and the change curve of surface state variation, and the position interval of key detection area in the direction of movement;The key detection area at least includes oxide skin thick area, oxide skin thin area and surface state variation intense mutation area of imaging condition conflict;The application makes conflict area into imaging field by time sequence decoupling mode in time, and makes non-target area be in the physical position that imaging interference is less, cooperates special imaging parameter, special analysis rule and closed loop feedback optimization mechanism, overcomes the defect that fixed parameter detection mode is difficult to compatible multi-area conflict imaging demand, improves the reliability and adaptability of metal material surface defect detection under complex surface state.

To provide a simulation method of a furnace atmosphere that can simulate with high precision the change of a furnace atmosphere in a heat-treatment furnace as the heat treatment progresses in a heat treatment process of a metal material in which decarburization and carburization may occur, and a heat treatment method of a metal material that can utilize results of such simulation.SOLUTION: Provided is a simulation method of the change in a composition of a furnace atmosphere over time when a metal material is heat-treated in the furnace atmosphere comprising at least one of CO and CO2 in a heat-treating furnace. Simulation is performed by using a mathematical model that incorporates the change in the composition of the furnace atmosphere due to both the gas flow in and out of the heat-treating furnace, the gas phase reaction in the furnace atmosphere, and the chemical reaction of at least one of the gas-solid phase reaction on a surface of the metal material.SELECTED DRAWING: Figure 8

The application relates to the technical field of metal material processing, and discloses a layered sintering preparation method of a composite layer titanium pot, which comprises the following steps: laying, from bottom to top, stainless steel powder, aluminum powder, active transition layer composite powder and titanium powder in a forming die in sequence, and compacting to obtain a composite green body; placing the green body in a variable pressure sintering furnace, first heating and keeping a low vacuum state; continuously heating to a second set temperature, starting a vacuum pump to instantaneously reduce to a deep vacuum state to discharge gas phase by-products; when heating to a third set temperature, filling argon into the furnace to establish a micro-positive pressure state and constant temperature preservation, inhibiting metal element volatilization and promoting liquid phase filling densification, and finally, cooling at a predetermined rate and naturally cooling out of the furnace. Through a temperature and pressure time sequence coupling process, the application eliminates interface oxide films and hole defects, realizes high-strength metallurgical combination of dissimilar metal materials, and improves the interlayer shear strength, thermal conductivity and thermal shock fatigue life of the composite pot.

This invention provides a device and method for real-time assessment of combustion toxicity based on dynamic airflow analysis. The device includes a combustion generator, a mixing chamber, a gas analysis system, an air source, and a data processing and control system. The combustion generator is used to thermally decompose the sample and generate combustion flue gas. One end of the air source is connected to the first air inlet of the combustion generator, and the other end is connected to the air inlet of the mixing chamber. The first air outlet of the combustion generator is connected to the second air inlet of the mixing chamber via a first pipeline. The second air outlet of the mixing chamber is connected to the first end of the gas analysis system. The air source can supply air to the combustion generator and the mixing chamber to generate a test atmosphere of a specific concentration, which is then monitored and evaluated in real time by the gas analysis system. By changing the test parameters, various decomposition conditions can be simulated, and information such as gas concentration and toxicity index can be provided online in real time, thereby evaluating the combustion toxicity of non-metallic materials.

The utility model relates to the technical field of reduction furnaces, and provides a crystalline silicon growth furnace with a heat preservation cover, the crystalline silicon growth furnace comprises a furnace bottom assembly, a heat preservation cover assembly and a gas circulation system, the heat preservation cover assembly covers the furnace bottom assembly, the gas circulation system is arranged on the furnace bottom assembly, and the heat preservation cover assembly covers the furnace bottom assembly. An air inlet, an air outlet and an electrode mounting opening are formed in the furnace bottom assembly, the heat preservation cover assembly comprises an inner cover and an outer cover, the inner cover is a piece made of a high-temperature-resistant non-metal material, the outer cover is a piece made of a heat preservation material, and the outer side of the heat preservation cover assembly is further covered with a double-layer water-cooling metal cover. The furnace bottom assembly comprises a double-layer water-cooling metal bottom plate and a high-temperature-resistant non-metal material bottom sleeve. The heat preservation cover assembly is arranged on the inner side of the double-layer water-cooling metal cover, the heat conduction coefficient is reduced and obviously lower than that of a traditional stainless steel cover, the heat insulation performance is remarkably improved, and energy consumption is reduced; and the inner cover is a piece made of a high-temperature-resistant non-metal material, so that metal impurity pollution is effectively avoided, and the purity of the product is effectively ensured.

This invention belongs to the field of electromagnetic interference (EMI) suppression technology, and proposes an EMI suppression device using isolated grounding. It includes shielded modules that act as interference sources or receivers for each other, and a shielded transmission circuit for signal transmission. The shielded modules include camera mechanisms, modules that easily generate high-frequency signals, and modules that easily generate large currents. The shielded transmission circuit includes transmission cables connecting each shielded module. This device is simple, easy to implement, and easy to operate. It mainly utilizes the conductivity of metallic materials to transmit external electromagnetic interference, which is easily received by the shielded modules and the transmission circuit cables, to the ground through a conductive layer. Simultaneously, the transmitted circuit signals are also protected, thus preventing electromagnetic interference to the shielded modules and the transmission circuit cables, allowing the equipment to maintain normal operation.

The application provides an aviation non-metal material sample processing device and method, which comprises a positioning clamp including a fixed part and a movable part which can be relatively moved and jointly form a clamping space containing multiple samples; multiple samples are clamped and fixed in the clamping space; at least one first prefabricated groove is formed in the side of the movable part; a saw blade is arranged on one side of the positioning clamp, and the cutting plane of the saw blade is vertically arranged with the center height of the first prefabricated groove; the saw blade can simultaneously cut multiple samples along the vertical height, and second prefabricated grooves corresponding to the first prefabricated groove are formed on the multiple samples; when the saw blade passes through the first prefabricated groove on the clamp, synchronous cutting is performed on all clamped samples. The cumbersome process of the traditional method is changed, the machining efficiency is improved, all samples are machined in the same device, the same saw blade and the same process, and the machined notches and prefabricated cracks have high batch consistency in size, shape and relative position.

This invention relates to the field of metal material processing technology. It discloses a synergistic composite forming process for metal wire electroforming and drawing, comprising the following steps: first, surface cleaning and activation treatment of the base metal wire to remove oxide layers, oil stains, and impurities; then, feeding the pretreated wire into an electroforming device to deposit a metal plating layer, obtaining an initial electroformed composite wire; subsequently, direct online radial high-pressure drawing to achieve a dense bond between the electroformed layer and the base metal; followed by annealing of the composite wire; repeating the electroforming, drawing, and annealing steps at least once to complete multiple synergistic cycles; finally, testing the dimensional accuracy, mechanical properties, and interlayer bonding force of the composite wire, and cutting it into finished products after passing the tests. This invention employs an online tandem synergistic process of electroforming and drawing, avoiding plating oxidation and interface contamination. Radial high-pressure drawing can compact the plating layer, eliminate porosity, and improve bonding density.

The present application belongs to the field of copper alloy crystallization wheel preparation, and provides a kind of copper alloy crystallization wheel near net shape manufacturing method, comprising: copper alloy crystallization wheel selects chromium zirconium copper material, each metal material of batching is melted, vacuum centrifugal casting is carried out, and the annular casting blank of crystallization wheel is obtained;The first mechanical processing is carried out to the annular casting blank of crystallization wheel, and the shrinkage and riser of inner ring surface are removed;The annular casting blank of crystallization wheel after mechanical processing is sequentially subjected to hot ring rolling, solid solution heat treatment, cold ring rolling, aging heat treatment, secondary machining, and the present application has the advantages of high material yield, high production efficiency, low production cost, good internal and external performance consistency and high product performance.

This invention provides an explosion-proof weighing roller conveyor for steel drum filling, comprising a weighing roller conveyor with a driving end on one side and a free end on the other. A guiding device is provided at the driving end, comprising an inclined guiding part and a planar support part, the planar support part being parallel to the conveying direction of the weighing roller conveyor. A piercing device is provided at the free end, corresponding directly to the planar support part. The piercing device employs vertically arranged blades close to the upper surface of the weighing roller conveyor and can be driven to move towards the planar support part. The blades are grounded through a conductive structure. This invention provides an explosion-proof weighing roller conveyor for steel drum filling that can pierce through the paint surface of the steel drum and make a conductive connection with the internal metal material, thereby grounding any static electricity carried on the steel drum and meeting the design requirements for explosion-proof filling.

A system and method of preventing reverse migration of contaminant molecules includes an enclosure and a quantity of metal materials included within the enclosure. The quantity of metal materials includes multiple metal material surfaces. The metal material surfaces are conditioned to be attractive to at least a first portion of contaminant molecules. The first portion of contaminant molecules are adsorbed on the multiple metal material surfaces. The enclosure can be a canister with UHP gas flowing from an inlet to an outlet and the first portion of contaminant molecules randomly pass through the canister outlet into the canister.

The application discloses a rare earth magnesium alloy with high corrosion resistance and a preparation method thereof, and relates to the technical field of metal materials. The mass percentage of each raw material component is as follows: Gd: 1-8%; Al: 1.0-1.3%; the balance of Mg and inevitable impurities. The application adds the rare earth element Gd, so that the corrosion resistance of the magnesium alloy in a 3.5 wt.% sodium chloride solution is improved, and the corrosion resistance of the magnesium alloy is further improved in combination with a solid solution heat treatment process. When the addition amount of Gd reaches 8%, the polarization resistance of the electrochemical impedance spectrum reaches 2400 ohm*cm2, which is much higher than the polarization resistance (about 800 ohm*cm2) of a conventional magnesium alloy.