60 results about "Nickel fluoride" patented technology

Coating precursor materials, turbomachinery components, and methods of manufacturing the components are provided. In an embodiment, by way of example only, a coating precursor material includes a solid film lubricant component and a bonding component comprising at least one eutectic mixture, said at least one eutectic mixture selected from a group consisting of barium fluoride / nickel fluoride, barium fluoride / cobalt fluoride, and barium fluoride / barium fluoride-boron oxide.

The invention relates to a blocking method for improving the alkali resistance of a hard anodic oxidation film, belongs to the technical field of cooker materials and aims to solve the problem that a conventional hard anodic oxidation film is poor in alkali resistance. The blocking method comprises the following steps: A, placing an aluminium alloy workpiece subjected to hard anodic oxidation treatment in a nickel fluoride blocking solution for first-time blocking treatment; and B, placing the aluminium alloy workpiece subjected to first-time blocking treatment in a stearate blocking solution and controlling the temperature to be 75-110 DEG C for second-time blocking treatment to obtain the blocked aluminium alloy workpiece. The blocking method can better block micropores in the hard anodic oxidation film to improve the decay resistance of the aluminium alloy workpiece, so that the alkali resistance is improved, accordingly, the cycle index of cleaning by a dish washing machine is increased and the service life is prolonged.

The present invention relates to a process for direct electrodeposition of zincium nickel alloy at electron alloys surfaces. According to the process, an electroplating method is adopted, electron alloys is selected as cathode, zincium nickel alloy containing nickel of 8-12% therein is selected as anode, the electric current density during electric plating is controlled at 1-2 A / dm2, and the electric plating time is 1 hour; finally, the electron alloys suffering an electrodeposition of zincium nickel alloy is put to a heat treatment furnace for a heat treating at the temperature of 150-200 DEG C and for 1 hours; the electrolysing solution adopted uses deionized water as solvent, wherein the components and their concentrations are as follows: ZnF2 8-12 g / L, NiF2, 15-25 g / L, ammonium citrate 80-120 g / L, potassium sodium 50-70 g / L, EDTA 8-12 g / L, hexamethylenetetramine 1-2 g / L, all the solutes are stirred to being entirety dissolved and into clear solution , in which the mole ratio of zincium ion to ion is controlled within 1:2-3. Said process for electrodeposition of zincium nickel alloy at electron alloys surfaces by adopting electric plating method is not dependant on the grade of electron alloys, in other words, surfaces of electron alloys of any grades can be electrodeposited with zincium. On one hand, the cost for electron alloys mat-forming treatment is reduced; on the other hand, the electroplating method is easy to realize industrialisation production. The fluorinion in zinc fluoride (nickel fluoride) plating solution exhibits an inactivating sheltering effect of the electron alloys, preventing the electron alloys being eroded in the solution. And the zinc fluoride (nickel fluoride) plating solution is of periodic duty and will not pollute the environment.

The invention relates to a nickel fluoride preparation method, and relates to a hydrometallurgy nickel fluoride preparation method, and the method is characterized in that: in the preparation process, nickel fluoride is prepared from nickel carbonate and ammonium fluoride as raw materials by four steps of nickel carbonate slurrying, synthesis preparation, purification and impurity removal, and filtering and washing and drying. The specific method is as follows: the nickel fluoride is prepared from the nickel carbonate and the ammonium fluoride as the raw materials by four steps of nickel carbonate slurrying, synthesis preparation, purification and impurity removal, and filtering and washing and drying, in the preparation process, an auxiliary material is a soluble carbonate, no fluorine gas, hydrofluoric acid and other strong corrosive materials is used, and compared with the traditional process, the method has high safety, low equipment requirement, simple operation, high product quality and other advantages.

The invention discloses a high-wear resistance material which comprises 3-7 parts of zinc, 2-4 parts of manganese, 5-9 parts of niobium, 1-5 parts of nickel, 7-11 parts of carbon, 2-8 parts of copper,11-15 parts of iron, 23-25 parts of silicon, 12-16 parts of epoxy resin, 3-8 parts of tungsten metal powder, 4-6 parts of titanium carbide, 7-9 parts of copper metal powder, 2-8 parts of phenolic resin, 3-5 parts of titanium oxide, 6 to 9 parts of silicon oxide, 2-7 parts of chromium oxide, 3-8 parts of quartz sand, 7 to 9 parts of ferrotitanium, 3 to 8 parts of ferrovanadium, 3-8 parts of silicon carbide crystal grains, 7-12 parts of molybdenum disulfide, 3-7 parts of magnesium oxide, 2-4 parts of nickel fluoride, 3-6 parts of organic amine substances, 1-3 parts of fibers, 2-6 parts of ferroboron, 3-6 parts of bauxite, 2-6 parts of silicon-calcium-barium, 4-7 parts of mineral filler, 3-5 parts of tungsten slag iron alloy, 4-8 parts of corrosion-resistant resin, 3-9 parts of alumina tabular and 5-11 parts of flake corundum. According to the present invention, the high-wear resistance material has the good wear resistance and corrosion resistance, the very strong adhesion and the higher mechanical strength and physical performance after surface treatment, is simple in formule, effectively reduces the maintenance cost, and can effectively prolong the service life of the metals afterthe material is used.

The invention discloses an alloy zinc strip and a preparation method thereof. The alloy zinc strip comprises, by weight, zinc, aluminum, copper, pure magnesium, low-arsenic pure antimony, elemental selenium, lithium cobalt oxide and nickel fluoride. The preparation method comprises the following steps of preparing materials; preheating a smelting furnace; and smelting, wherein the lithium cobalt oxide and the nickel fluoride are sequentially added into the smelting furnace which is preheated to the temperature of 900-1000 DEG C, after uniform stirring is carried out, the temperature of the smelting furnace is increased to 1500-1800 DEG C, the zinc, the aluminum, the copper, the pure magnesium, the low-arsenic pure antimony and the elemental selenium are sequentially added and stirred untilthe mixture is completely melted, and standing for 20-30 minutes, zinc alloy is prepared, cast, formed and stored. A certain amount of aluminum, copper, pure magnesium and low-arsenic pure antimony is added into the zinc, the elemental selenium, the lithium cobalt oxide and the nickel fluoride, so that the anti-fatigue performance of metal zinc can be effectively improved, the machining of materials is facilitated, and the convenience in use is effectively improved.

The invention relates to a nickel fluoride preparation method, and relates to a hydrometallurgy nickel fluoride preparation method, and the method is characterized in that: in the preparation process, nickel fluoride is prepared from nickel carbonate and ammonium fluoride as raw materials by four steps of nickel carbonate slurrying, synthesis preparation, purification and impurity removal, and filtering and washing and drying. The specific method is as follows: the nickel fluoride is prepared from the nickel carbonate and the ammonium fluoride as the raw materials by four steps of nickel carbonate slurrying, synthesis preparation, purification and impurity removal, and filtering and washing and drying, in the preparation process, an auxiliary material is a soluble carbonate, no fluorine gas, hydrofluoric acid and other strong corrosive materials is used, and compared with the traditional process, the method has high safety, low equipment requirement, simple operation, high product quality and other advantages.

The invention relates to a method for preparing a two-dimensional locally-oxidized transition metal fluoride catalyst through rapid heating, belonging to the fields of material science and engineeringtechnology and chemistry. The oxidized transition metal fluoride catalyst prepared by using the method disclosed by the invention is formed by local oxidation of nanometer materials such as cobalt fluoride (CoF2), nickel fluoride (NiF2), iron fluoride (FeF3) and the like. The preparation method comprises the following steps: weighing a certain mass of hydrated fluoride as a raw material A, and rapidly changing the temperature environment of the raw material A to prepare the two-dimensional locally-oxidized transition metal fluoride catalyst. The method has the advantages of easiness, feasibility, high yield, high efficiency, good applicability and the like, and has remarkable advantages compared with traditional methods for preparing ultrathin two-dimensional nanomaterials.

The invention discloses a treatment method for the surface of a heat-insulating corrosion-resistant aluminum alloy door and window. The treatment method comprises the following steps that the surfaceof a window frame is subjected to cleaning, oil removal, polishing, soaking, air drying, sand blasting treatment, passivation treatment, and is sprayed with a thermal insulation layer formed by a thermal insulation composition, and is sprayed with a corrosion-resistant layer formed by a corrosion-resistant composition, and layer sealing treatment and aging treatment are conducted on the corrosion-resistant layer through a nickel fluoride cold hole sealing agent. According to the method, before the thermal insulation composition and the corrosion-resistant composition are sprayed to form the thermal insulation layer and the corrosion-resistant layer, and the window frame of an aluminum alloy door and window is subjected to a series of treatment, so that the binding force of the thermal insulation layer and the corrosion-resistant layer on the surface of the window frame of the aluminum alloy door and window can be improved, and the thermal insulation layer and the corrosion-resistant layer are not prone to falling off; and the continuity and integrity of a film layer of the corrosion-resistant layer can be improved by carrying out layer sealing and aging treatment after the corrosion-resistant layer forms a film, and the surface quality of the aluminum alloy door and window can be effectively improved.

The invention discloses a wear-resistant material. The wear-resistant material is characterized by comprising the following raw materials of, by weight, 15-30 parts of tungsten metal powder, 30-50 parts of titanium carbide, 15-25 parts of copper metal powder, 40-50 parts of silicon carbide grains, 20-25 parts of flaky corundum, 15-20 parts of molybdenum disulfide, 5-8 parts of magnesium oxide, 2-5parts of nickel fluoride, 3-5 parts of niobium and 0.5-5 parts of a flexibilizer. The wear-resistant material has excellent high temperature resistance and wear resistance.

This invention provides a corrosion resistant material which is excellent in corrosion resistance to halogen based corrosive gas, e.g., used for a semiconductor production process, has satisfactory durability in a fluoride passive layer, and has reduced generation in contaminated gas on use, and to provide its production method. The corrosion resistant material consists of a nickel layer or a nickel alloy layer formed on the surface of a base material consisting of metal or the like, a nickel oxide layer formed on the surface thereof and a nickel fluoride layer formed on the surface of the nickel oxide layer.