50results about How to "Good mechanical bond" patented technology

A shaped body comprised of individual, interconnected layers may be produced from fibers in accordance with a solid freeform fabrication or rapid prototyping method. The fibers may be produced by extrusion molding a thermoplastic material.

Composite acetabular components, and methods of making and using same, are described. The composites consist of a ceramic liner having a backing of plastic material, such as but not limited to ultra high molecular weight polyethylene (UHMWPE), molded around the ceramic liner. The back surface of the ceramic liner is textured to enhance the mechanical bonding strength of the plastic backing to the textured ceramic liner during the molding process.

Methods and assemblies related to frame or bezel packaging of a sealed glass assembly, such as a fit-sealed OLED device, such as an OLED display panel. The frame or bezel packaging may have one or more of (a) rounded or chamfered corners, (a) a cover, (b) a reinforced lead edge, (c) openings or cutouts in the back panel to conserve material and lighten the bezel, and (d) a shock absorbent intermediate layer of low modulus of elasticity material applied between the sealed glass assembly and the back and/or sides of the frame or bezel. The frame or bezel design may include a gap between the sealed glass assembly and the back panel of the bezel. The gap may be filled at least in part with low modulus of elasticity backing material. The glass package may have one or more of (a) rounded or chamfered corners, (b) rounded or chamfered edges, (c) a low modulus of elasticity material applied around its periphery or portions of its periphery, such as on the corners only, (d) a shortened lead end, and (e) a thickened lead end.

An structure and method of manufacturing a microstructure for use in a heat exchanger is disclosed. The heat exchanger comprises a manifold layer and an microstructured region. The manifold layer comprises a structure to deliver fluid to the microstructured region. The microstructured region is formed from multiple windowed layers formed from heat conductive layers through which a plurality of microscaled apertures have been formed by a wet etching process. The plurality of windowed layers are then coupled together to form a composite microstructure.

Methods and assemblies relate to bezel packaging of a sealed glass assembly, such as a frit-sealed OLED device. The bezel packaging includes a shock absorbent intermediate layer of low modulus of elasticity material applied between the sealed glass assembly and the bezel. A bonding agent, which may include the low modulus of elasticity material and/or a separate bonding material, affixes the sealed glass assembly to the bezel. Bezel modifications may be made to stabilize the bezel. Exemplary bezel modifications include reinforced bezel side walls and supporting straps attached between bezel walls. The bezel design may include a gap between the edges of the sealed glass assembly and the bezel walls, so as to avoid direct contact therewith. The gap may be filled at least in part with low modulus of elasticity organic adhesive to provide additional shock absorbency. The low modulus of elasticity material may include foam, ceramic fiber cloth and/or a low modulus of elasticity polymeric organic coating.

The invention relates to the technical field of die steel surface modification treatment, in particular to a laser remelting method for ultrasonic spraying of a WC-12Co coating on the surface of H13 hot work die steel. The surface of the H13 hot work die steel is polished, cleaned and subjected to sand blasting. The laser remelting method is characterized in that the WC-12Co coating is sprayed to the surface of the H13 hot work die steel subjected to sand blasting through an ultrasonic spraying method, after heat preservation and cooling to the room temperature, laser remelting is used for remelting the WC-12Co coating and the surface of the H13 hot work die steel to achieve metallurgical bonding; and the structure property of the cooled coating is enhanced, and abrasion resistance of the coating is improved. The bonding strength of the coating and the base material is improved, and the service life of a mold is prolonged.

Coating systems according to the prior art, wherein a ceramic layer is applied to a metallic layer of the coating system, the connection between metal and ceramic often being poor.

A coating system (20) according to the invention has a porous layer (4) in which a ceramic (7) is at least partly disposed, so that the connection between ceramic (7) and the metal of the porous layer (4) is improved.

The invention discloses an amorphous nickel-iron oxide nanometer sheet-shaped electrocatalysis material and preparation and application thereof, and belongs to the technical field of electrochemistryenergy converting materials. The amorphous nickel-iron oxide nanometer sheet-shaped thin film material is synthesized in situ on a commercial foamed nickle matrix through a hydrothermal method, and the amorphous nickel-iron oxide nanometer sheet-shaped electrocatalysis material has the advantages of a high specific surface area and many catalytic active sites. The material is applied to a 1M potassium hydroxide solution for electrolysis of water, when the current density is 10 mA.cm<-2>, the overpotential required for oxygen evolution is 206-220 mV, and the performance of the material is better than that of most currently-reported anodic oxygen evolution catalysis materials. Besides, the related preparing technology is simple, raw materials are rich and cheap, the material can replace a precious-metal-based catalyst which is expensive and scarce, and large-scale industrial application of electrolyzed water is promoted.

The invention discloses a metal wear-resisting anti-corrosion coating. According to the coating, a coating wire is sprayed to a base material surface in an electric arc spraying manner, the thickness of the coating ranges from 0.5 mm to 0.8 mm, after spraying of the coating wire on the base material surface is finished, the surface of the coating is coated with a layer of hole sealing agent, and the coating is formed by mixing the coating wire comprising, by mass percent, 20% to 35% of TiAl3, 10% to 20% of Cr3C2, 5% to 15% of WC, 5% to 10% of V, 5% to 15% of Mo, 2% to 8% of Nb, 10% to 20% of Al and the balance Fe. The invention further discloses an electric arc spraying technology. The technology comprises the steps that purifying and sand blasting roughening treatment are carried out firstly, the wear-resisting anti-corrosion coating is sprayed in an electric arc manner, and finally, after spraying is finished, methyl methacrylate and a curing agent are adopted for coating and hole sealing of the surface of the coating. According to the metal wear-resisting anti-corrosion coating, the combination strength of the coating and the base material reaches more than 45 MPa, and the adhesive force of the metal coating and the base material is greatly improved.

The invention relates to the technical field of steel surface modification processing, in particular to a laser remelting method for a steel electric arc spraying aluminum coating layer used for an ocean platform, in order to solve the problem that the seawater corrosion resistant capacity of the coating layer is improved without increasing the thickness of the coating layer, and belongs to a material surface modification composite processing technology. By means of a electric arc spraying technology, a layer of the aluminum coating layer is prepared by using the surface of a steel base material on the ocean platform, then a laser remelting technology is used to iron melt the aluminum coating layer and the surface of a substrate, and after cooling is conducted, a Fe-Al alloy layer is formed; the surface of the coating layer is flat, the structure property can be improved, alloy combination is formed between the coating layer and the base material, a few amorphous state aluminum is generated in the coating layer, and the corrosion resistant performance of the coating layer can be improved.

A chemiresistor sensor probe for detecting target analytes. The probe includes a body having a first control surface and a second control surface recessed within the first. A sensor film comprises numerous conductive particles disposed upon the second surface. The film swells upon absorbing one or more analytes for which it has an affinity, thus causing the conductive particles to become more dispersed and increasing the resistance between the particles. The thickness of the film is equal to the distance between the first surface and the second surface, thus permitting the thickness to be controlled by varying the distance between the control surfaces. The robustness of the sensor probe is enhanced by placing a porous or mesh electrode along with, or in place of, a chemical binding agent between the film and the terminals. The robustness is also improved by placing a diode in series with the sensor circuit.

The invention provides a hot melt pressure-sensitive adhesive composition that includes thermoplastic polymer, tackifying agent, plasticizer oil, and from at least 5 % by weight to about 25 % by weight vegetable wax.

A scintillation detector assembly sealed via a compression fit without the use of epoxy or other sealant is disclosed. The assembly includes a scintillator composition and a photomultiplier tube optically coupled to the scintillator. A hermetically sealed scintillator container assembly in accordance with the present disclosure includes a cup shaped container sized to receive and hold a scintillator composition. This container has an open end. A metal rim compressively forms a mechanical hermetic seal around a glass window placed over the open end to preclude moisture intrusion into the container and thus prevent exposure of the scintillator crystalline material to degrading moisture. The metal rim is in turn welded to the container.

The invention relates to a PANI/Go/PAN nanofiber membrane composite potassium air battery negative electrode and a preparation method thereof, and the potassium air battery negative electrode is prepared by pressing a porous potassium sheet into an electrode sheet, coating the surface of the electrode sheet with a PANI/Go/PAN nanofiber membrane, and mechanically pressing the electrode sheet into the potassium air battery negative electrode. The preparation method comprises the following steps: adding polyacrylonitrile into a solvent to obtain a colloidal solution, adding aniline and camphorsulfonic acid into the colloidal solution, stirring, adding ammonium persulfate, refrigerating, adding graphene oxide to obtain a spinning solution, and carrying out electrostatic spinning to obtain a nanofiber membrane; pressing a punctured metal potassium sheet and a current collector nickel net into an electrode sheet, coating the surface of the electrode sheet with the nanofiber membrane, and pressing to obtain the potassium air battery negative electrode. The negative electrode has the advantages that formation of potassium dendrites can be inhibited; corrosion and invalidation of the negative electrode can be slow down; and the negative electrode can be applied to a potassium air battery, thereby improving the performance of the potassium air battery and prolonging the cycle life of the potassium air battery.

The invention relates to cobalt-based alloy powder for plasma spray. The cobalt-based composite powder is prepared from the following raw materials in parts by weight: 90-120 parts of cobalt-based alloy powder, 3-5 parts of yttria powder, 7-12 parts of titanium boride powder and 10-15 parts of chromium carbide powder; the powder is mechanically and uniformly mixed after being treated by radio frequency induced plasma balling equipment to obtain subsphaeroidal cobalt-based composite powder; and the invention further discloses a method for manufacturing a hydraulic prop piston rod fusion covering coating by plasma spray. High bonding strength and hardness, good abrasive resistance and corrosion resistance and reduced cracking sensibility of the fusion covering coating are obtained through the treatment of the radio frequency induced plasma balling equipment and the optimization of plasma spray technological parameters; and the service life of a hydraulic prop piston rod is prolonged. Meanwhile, the cobalt-based composite powder can further be applied to the protection of other parts.

The invention provides a preparation method of a high-wear-resistance and high-corrosion-resistance protective layer of hot work die steel, and relates to the technical field of die steel. The preparation method of the protective layer comprises the following steps: (1) carrying out surface purification treatment and surface roughening treatment; (2) carrying out preheating treatment, then spraying a coating by adopting a hypersonic flame spraying method, carrying out compressed air cooling, and the spraying powder being prepared from the following components in percentage by weight: 55 to 64percent of WC, 12 to 18 percent of TaC, 3 to 4.5 percent of VC, 0.8 to 1.5 percent of nano rare earth oxide and the balance of NiCr; and (3) carrying out carburizing treatment, quenching and tempering. According to the method, the hot work die steel is subjected to surface roughening treatment, hypersonic flame spraying, carburizing treatment, quenching and tempering, so that a high-wear-resistance and high-corrosion-resistance coating can be formed on the surface of the hot work die steel, the bonding strength between the coating and a base body is high, and excellent surface protection and strengthening can be formed on the hot work die steel.

The invention relates to nickel-based composite powder for plasma spraying. The nickel-based composite powder is prepared from the following raw materials in parts by weight: 70-80 parts of nickel-based alloy powder, 1-2 parts of cerium dioxide powder, 2-5 parts of aluminum oxide powder and 5-10 parts of silicon carbide powder. The powder is treated by radio frequency induction plasma spheroidizing equipment and then is mechanically and uniformly mixed to obtain the nearly spherical nickel-based composite powder. The invention further discloses a method for manufacturing a cladding coating ofa hydraulic prop piston rod by plasma spraying. Through treatment of the radio frequency induction plasma spheroidizing equipment and optimization of plasma spraying process parameters, the bonding strength and hardness are high, the wear resistance and corrosion resistance are good, and the cracking sensitivity of the cladding coating is reduced; and the service life of the hydraulic prop pistonrod is prolonged. Meanwhile, the method can also be applied to protection of other parts.

An intermediate material is formed by coating at least a half of the surface of a function selecting material having at least one of physical property values that are different from those of a casting metal material forming a cast product with a coating metal material and the casting metal material is cast together with the intermediate material to form a composite body in casting the product.