78results about How to "Good plating performance" patented technology

The invention discloses a plasma evaporation deposition lanthanide thermal barrier coating ceramic layer with a long service life, a high insulation performance and a composite structure, and a preparation method thereof, and belongs to the technical field of thermal barrier coating. The ceramic layer material comprises lanthanum zirconate or cerate; the thermal barrier coating comprises a bonding layer, a first ceramic layer and a second ceramic layer which are prepared on a base body, wherein the first ceramic layer adopts a YSZ coating; the second ceramic layer comprises the lanthanum zirconate or cerate; in the preparation method of the ceramic layer, the pressure of a vacuum chamber is lower than 1 mbar; through adjusting parameters of spraying electric power, current, gas flow rate, temperature of the basal body, powder feeding rate, spraying distance and the like, the YSZ coating layer and the lanthanide thermal barrier coating ceramic layer which are provided with microstructures of columnar crystal structures, layered structures, layered structures and columnar crystal structures, or nano- structured coating and the like can be obtained. The service life of the thermal barrier coating is long and the heat-insulating property is favorable.

Disclosed is a preparing method for casting an inlaid ceramic/metal wear-resisting compound liner. A chemical vapor deposition method is adopted to prepare uniform, continuous and high-purity metal activation coatings on ceramic monomers in various shapes, the kind and the structure of the coatings are changed, wettability between ceramic and metal in the compound process is improved, and the compound quality is improved; finally, through the lost foam casting technology, that is, ceramic reinforcements with the metal activation coatings deposited are fixed into a polystyrene foam model, and casting molding of molten metal is carried out; solid ceramic serves the reinforcements, the ceramic reinforcements are subject to reasonable structural design, and volume fractions and distribution of the reinforcements are controlled; and through forming of the activation coatings on the surfaces of the ceramic reinforcements, the interface combination condition between the ceramic and the metal is improved, operation is simple, easy to implement and low in cost, and the inlaid ceramic/metal wear-resisting compound liner which is good in comprehensive performance and capable of meeting various complex working conditions can be prepared.

The invention discloses a vacuum plating method integrating advantages of magnetron sputtering and multiple-arc ion plating, in particular to a micro-arc ion plating method. The method comprises the steps as follows: a high-frequency impulse electric field with negative 1,200 V to negative 900 V output voltage, 0.5 KHz-60 KHz frequency and 0.5 mu s-30 mu s pulse width is firstly established, a high-frequency impulse signal output from the high-frequency impulse electric field is modulated by an adjustable inductance attenuation and a digital logic circuit and loaded to a rectangular cathode target with an area of 300 mm*100 mm and two ends of an anode vacuum chamber casing with a volume of Phi 450 mm *H 400 mm, and argon (Ar) gas charged into a vacuum chamber is subjected to an ion plating process when volt-ampere characteristics of negative 900 V to negative 600 V voltage, 100 A-300 A current, 1 ms-5 ms pulse width and 3%-15% duty ratio are generated during discharge. The method is simple and stable; and by means of the method, the yield is high, and industrial production can be realized.

The invention discloses ultraviolet curing vacuum coating metal primer capable of achieving electrostatic spraying and a preparation method thereof.The ultraviolet curing vacuum coating metal primer capable of achieving electrostatic spraying is prepared from, by weight, 5-20 parts of urethane acrylate, 10-20 parts of epoxy acrylate, 0-5 parts of pure acrylate, 5-10 parts of polyesteracrylate, 30-40 parts of trimethylolpropane triacrylate, 10-20 parts of low-functionality active diluted monomers, 2-5 parts of photoinitiator, 0.05-0.1 part of a flatting agent, 0.05-0.5 part of adhesion promoter, 0.01-0.5 part of a conductive agent and 3-5 parts of electrostatic thinner.The ultraviolet curing vacuum coating metal primer prepared through the method can be used for electrostatic spraying, has the advantages of being good in coating performance, good in adhesion, high in salt fog resistance, high in production efficiency, high in paint utilization rate and the like, and has wide market prospects.

The invention provides a preparation method of a nitrogen-doped titanium dioxide photochemical catalyst loaded with a foam metal carrier. In the preparation method provided by the invention, a vacuum arc ion plating process is used and a prepared nitrogen-doped titanium dioxide film of a photochemical catalyst can be uniformly distributed on the surface of a porous metal, so that the contact areafor a catalytic reaction of the photochemical catalyst is increased and the photocatalytic activity of the photochemical catalyst is higher.

The invention discloses an ultraviolet curing colored coating for a glass color mirror. The ultraviolet curing colored coating comprises an acrylic oligomer, a reactive acrylate monomer, a photoinitiator, pigments and aids. The coating is environmental-friendly, pollution-free and excellent in mirror leveling performance and can realize rapid UV curing coloring, and the cured coating has the characteristics of being flat in appearance, high in hardness, excellent in scratch resistance, high in adhesive force, excellent in plating property and the like. The invention further relates to a glasscolor mirror made by utilizing the coating and a making method of the glass color mirror.

The invention discloses an environment-friendly dual-curing vacuum coating primer special for an automobile wheel hub, which is prepared from the following components in percentage by mass: 25-35% of NCO-containing polyurethane acrylate, 5-10% of aliphatic polyurethane diacrylate, 5-10% of phenolic epoxy acrylate, 10-20% of aliphatic epoxy acrylate, 20-35% of reactive diluent, 1-5% of photoinitiator and 0.1-1% of assistant. The primer has the advantages of energy saving, environment friendliness, strong adhesive force on the metal surface, excellent leveling property and high gloss; the primer can well cover defects on the material only after one primer coating is applied, thereby having favorable covering power; the primer has favorable adhesive force with both the wheel hub material and the vacuum coating layer; after the primer is baked at 170 DEG C for 2 hours, the surface looks no difference; and the primer also has recoating property.

The present invention is intended to provide a high strength steel sheet having a strength not lower than 780 MPa and exhibiting a high yield ratio, an excellent balance between the strength and the uniform elongation, and a good plating property in addition to a good balance between the strength and the stretch flangeability. The present invention provides a high strength steel, comprising 0.05 to 0.25 % of C, less than 0.5 % of Si, 0.5 to 3.0 % of Mn, not more than 0.06. % of P, not more than 0.01 % of S, 0.50 to 3.0 % of Sol. A1, not more than 0.02 % of N, 0.1 to 0.8 % of Mo, 0.02 to 0.40 % of Ti, and the balance of iron and unavoidable impurities, wherein the steel has a structure formed of at least three phases including a bainite phase, and a retained austenite phase in addition to a ferrite phase having a composite carbide containing Ti and Mo dispersed and precipitated therein, wherein the total volume of the ferrite phase and the bainite phase is not smaller than 80%, the volume of the bainite phase is 5% to 60%, and the volume of the retained austenite phase is 3 to 20%.

The invention belongs to the technical field of coating preparation and particularly relates to an AlCrSiN nano-composite coating resistant to high temperature and abrasion and a preparation method thereof. According to the AlCrSiN nano-composite coating resistant to high temperature and abrasion and the preparation method thereof, a pulsed arc ion plating method is adopted; and a Cr interface implantation layer, a CrN transition layer and an AlCrSiN surface functional layer are sequentially deposited on the surface of a base body from bottom to top. Experimental results show that the AlCrSiNnano-composite coating obtained through the preparation method is excellent in high-temperature stability and abrasion resistance and has the advantages of being small in number of surface large particles, low in internal stress, high in film base bonding strength and the like; and the AlCrSiN nano-composite coating is applicable to surface protection of products such as mechanical parts, tools and molds.

The invention relates to an electroplatable ABS/polyester blended alloy and a preparation method thereof. The electroplatable ABS/polyester blended alloy comprises ABS resin and neopentyl glycol modified PETG copolyester, wherein the ABS resin is non-electroplating-grade or recovered ABS resin. By means of an ordinary conventional method, all raw materials are weighed in proportion, processes suchas uniform mixing, melt extrusion, granulation are performed, the blended alloy material with enhanced shock resistance and weather resistance can be obtained, and the blended alloy material is electroplatable, has processing conditions similar to those of ABS resin and can meet the adhesion test standard.

The invention discloses a high-gloss PC/ABS (polycarbonate/acrylonitrile butadiene styrene) electroplating material for vehicles and a method for preparing the high-gloss PC/ABS electroplating material. The high-gloss PC/ABS electroplating material comprises 50-80 phr of PC, 50-20 phr of ABS, 0-1 phr of lubricants, 0-10 phr of compatilizers, 0-5 phr of processing auxiliaries, 0-10 phr of toughening agents and 0.1-0.5 phr of antioxidants. The high-gloss PC/ABS electroplating material and the method have the advantages that stripping force of 5-6 N can be generated by the high-gloss PC/ABS electroplating material, the thermal deformation temperature of the high-gloss PC/ABS electroplating material is higher than 130 DEG C, and the high-gloss PC/ABS electroplating material is high-temperature-resistant and is excellent in electroplating performance.

The invention discloses ABS resin composition for electroplating and a preparation method thereof. The electroplating ABS resin composition with excellent heat stability and electroplating practicability is prepared by controlling the grafting ratio of grafted ABS polymer, the total amount of oligomers and residual monomers in SAN copolymer and the vacuum degree during extrusion mixing, and the molding yield of electroplated products and the electroplating yield are substantially improved.

The invention relates to an anti-ablation ZrC/SiC multilayer alternate coating and a preparation method. The thermal expansion difference between coatings and a substrate and among coatings can be effectively regulated and controlled through multilayer alternation of SiC and ZrC, meanwhile, the designability of the multi-layer alternate coatings is high, and thermal stress matching of the coatings and the substrate can be better achieved by adjusting the thickness and the number of the SiC layers and the ZrC layers, on the other hand, after the multiple layers are compounded, a large number of interlayer interfaces can exist, cracks can be deflected or terminated in the expansion process, and therefore generation of penetrating cracks is reduced. In conclusion, according to the anti-ablation ZrC/SiC multilayer alternate coating and the preparation method thereof, the coatings provided by the invention can effectively improve the ablation resistance, and the substrate can be better protected.

The invention provides a vacuum plating UV base coat. The base coat comprises, by weight, 40-60 parts of bis-functional polyurethane acrylic resin, 40-60 parts of epoxy acrylic resin, 10-15 parts of reactive diluent, 1-5 parts of photoinitiator, 5-20 parts of butyl acetate cellulose solution, 140-160 parts of organic solvent and 5.3-20.5 parts of other auxiliaries. According to the base coat, themoisturizing performance on plastic substrates of the vacuum plating UV base coat can be significantly improved through the mutual action of the epoxy acrylic resin and the butyl acetate cellulose solution, the base coat particularly has a better moisturizing effect on the plastic substrates with residual demolding agent, the surface coating performance of the vacuum plating UV base coat can be ensured when demolding agent removing process on the plastic substrates is not conducted to allow the base coat has excellent adhesion force, and the problems of the influence on the base coat and plastic substrate coating quality due to residual demolding agent, lengthening production line, increasing production cost, high rejection rate of products and the like are solved.

The invention discloses a method for preparing a screw-thread wear-resistant corrosion-resistant anti-lock coating by adopting multi-arc ion plating. The method comprises the steps of (1) sequentiallypolishing, ultrasonically cleaning and drying a metal thread; (2) sand-blasting roughening the dried metal thread; (3) sputter cleaning the sand-blasting roughened metal thread, and obtaining a surface activated metal thread; (4) plating the surface-activated metal thread under an argon atmosphere for the first time, and obtaining a metal thread with an Ni transition layer on a surface; and (5) plating the metal thread with the Ni transition layer on the surface under the argon atmosphere for the second time, preparing an AgPd coating, and obtaining a metal thread with an Ni-AgPd coating on asurface. According to the method for preparing the screw-thread wear-resistant corrosion-resistant anti-lock coating by adopting multi-arc ion plating provided by the invention, multi-arc ion platingis adopted for preparing the Ni-AgPd coating on the surface of the thread, a wear resistant property of the Ni-AgPd coating is ensured through added Pd, the heat stability and the corrosion resistance of the Ni-AgPd coating are improved, and a locking problem of a fastener is solved.

The invention discloses a vacuum-plated UV-cured primer, a preparation method therefor and an application of the vacuum-plated UV-cured primer. The vacuum-plated UV-cured primer comprises the ingredients in parts by weight: 8-30 parts of low-functionality acrylate, 3-12 parts of reactive diluent, 10-30 parts of epoxy acrylate, 0.01-0.5 part of auxiliaries, 2-3 parts of photoinitiator and 40-60 parts of organic environment-friendly solvent, wherein the low-functionality acrylate is aliphatic polycarbonate acrylate with the functionality of 1 to 4; and the epoxy acrylate is modified epoxy acrylate with the functionality of 1 to 4. According to the vacuum-plated UV-cured primer disclosed by the invention, the low-functionality acrylate, the reactive diluent and the epoxy acrylate serve as primary film forming matters, the reactive diluent can neutralize two kinds of prepolymers, and two kinds of prepolymers of different molecular structures can be rapidly crosslinked together to form cross-linked network knots and be cured to form a film, so that the vacuum-plated UV-cured primer is high in leveling and covering power and good in plating property.

The invention discloses high-performance vacuum electroplating UV (Ultraviolet) coating. The UV coating is prepared from three coating layers including undercoat, intermediate coat and finishing coat,wherein each coating is prepared by mixing according to the weight ratio (part); the undercoat is prepared from the following components in parts by weight: 30 to 40 parts of a high polymer resin connecting material, 5 to 10 parts of an active monomer, 0.2 to 0.3 part of a flatting agent, 1.5 to 2 parts of a photoinitiator and 55 to 65 parts of a solvent; the intermediate coat is prepared from the following components in parts by weight: 30 to 40 parts of the high polymer resin connecting material, 1.0 to 1.5 parts of an adhesion promoter, 0.1 to 0.15 part of the flatting agent, 0.5 to 0.8 part of the photoinitiator and 60 to 70 parts of the solvent; the finishing coat is prepared from the following components in parts by weight: 30 to 45 parts of the high polymer resin connecting material, 2 to 5 parts of the active monomer, 0.2 to 0.3 part of the flatting agent, 0.5 to 1.5 parts of the photoinitiator, 0.3 to 1 part of the adhesion promoter and 60 to 70 parts of the solvent. The high-performance vacuum electroplating UV coating has the advantages that the construction yield is relatively high, the production efficiency is improved, the production cost is reduced and the economicbenefits are relatively good.