Abstract:
Disclosed is a method for manufacturing a nitride coating layer. The nitride coating layer, according to the present invention, is formed by the following steps of: mounting a steel plate inside a chamber of vacuum coating equipment; forming a TiAlN coating layer on the surface of the steel plate by evaporating a TiAl target using a cathodic arc source after injecting nitrogen gas into the chamber; and incorporating magnesium onto the surface of the steel plate by evaporating a Mg target using a sputtering source inside the chamber.
Abstract:
본 발명은 도금 강판 및 이의 제조방법에 관한 것으로서, 보다 구체적으로는 강판 표면에 알루미늄-마그네슘 혼합층을 코팅한 강판 및 그 제조방법에 관한 것이다. 본 발명에 따른 도금 강판의 제조방법은 강판 위에 알루미늄층을 코팅하는 단계; 알루미늄층에 마그네슘층을 코팅하는 단계; 및 알루미늄층 및 마그네슘층이 코팅된 강판을 열처리하여 알루미늄-마그네슘 혼합층을 형성시키는 단계;를 포함한다. 본 발명의 실시예들에 따르면 알루미늄과 마그네슘으로 이루어지는 균일한 합금 코팅층을 형성함으로써, 강판과 코팅층 간의 밀착력을 향상시킬 수 있다. 또한 본 발명의 실시예들에 따르면 알루미늄과 마그네슘으로 이루어지는 균일한 합금 코팅층을 형성함으로써, 내식성 및 기계적 특성을 향상시킬 수 있다.
Abstract:
PURPOSE: A manufacturing method of a cell for a metal supporter type solid oxide fuel cell is provided to prevent a crossover phenomenon of fuel electrode gas and air through a solid electrolyte layer by forming a sealing layer on the solid electrolyte layer through RF sputtering. CONSTITUTION: A manufacturing method of a cell for a metal supporter type solid oxide fuel cell comprises: a step of laminating a green sheet forming a solid electrolyte layer on a fuel electrode layer; sintering the obtained laminate; and forming a sealing layer on the solid electrolyte layer through RF sputtering. The cell for the metal supporter type solid oxide fuel cell includes a metal supporter (11), the fuel electrode layer (16), the solid electrolyte layer (17), and an air electrode layer (19). The sealing layer (18) with a protrusion (18a) which is inserted between cracks (17a) formed on the solid electrolyte layer is inserted in between the solid electrolyte layer and the air electrode layer.
Abstract:
PURPOSE: A plating steel plate and a manufacture method thereof are provided to form an even alloy coating layer consisting of aluminum and magnesium, thereby improving the adhesiveness between a steel plate and a coating layer. CONSTITUTION: A manufacture method of a plating steel plate comprises the following steps of: coating a magnesium layer on an aluminum layer after the aluminum layer is coated on a steel plate (10); and forming an aluminum-magnesium alloy layer (40) by heat-treating the coated steel plate. The heat treatment is performed at 100 to 400° for 1 to 20 minutes. The aluminum layer and magnesium layer are formed by the evaporation under the vacuum condition.
Abstract:
PURPOSE: A method for measuring the density of steel protective coating is provided to improve the reliability of measured values through objective measurement. CONSTITUTION: A method for measuring the density of steel protective coating is follow. A specimen comprising a steel substrate and a protective layer located on the steel substrate is processed with ferroxyl solution. The ferroxyl processed specimen is photographed using an optical instrument. The area occupied by reaction spots in the photographed image is digitalized, thereby obtaining a density.
Abstract:
PURPOSE: A film manufacturing system and method thereof are provided to minimize the trial and error process for satisfactorily meeting the properties of end-products, thereby reducing manufacturing time. CONSTITUTION: A film manufacturing system comprises steps of: inputting required properties, activating a modification model based on the input properties, evaluating the characteristics of a deposition source, controlling process parameters using the activated modification model, and manufacturing a film using the process parameters.
Abstract:
PURPOSE: A method of manufacturing a copper film is provided to control the structure of a film by controlling evaporation rate and bias voltage during coating. CONSTITUTION: A substrate is charged in a water-cooling substrate holder of a vacuum chamber. The inside of the vacuum chamber forms a first vacuum state. Inert gas flows into the vacuum chamber and voltage is applied to the substrate, thus the substrate is activated. The inside of the vacuum chamber forms a second vacuum state. Water flows into the water-cooling substrate holder, copper near the substrate is evaporated and bias voltage is applied to the substrate, thus copper is coated on the substrate.
Abstract:
PURPOSE: A method for coating a non-conductive Sn film is provided to enhance the adhesion and oxidation resistance of an Sn film since the Sn film is deposited on a substrate by thermal vapor deposition and an oxidized Sn film is coated by sputtering and thus the oxidized Sn film works as the protecting film of the Sn film. CONSTITUTION: A method for coating a non-conductive Sn film comprises next steps. A substrate(101) is mounted in a vacuum chamber. An island shape of a Sn film(103) is vapor-deposited on the substrate by heating of a Sn source through a filament. Ar gas is injected into the vacuum chamber and a Sn sputter target is sputtered. An amount of gas is injected into the vacuum chamber and an oxidized Sn film(105) is formed on the substrate.
Abstract:
PURPOSE: A manufacturing method for a diamond-like carbon with a smooth surface is provided to obtain a diamond-like carbon film having surface roughness similar to that when there is no interfacial layer by adjusting anode current and substrate bias voltage to a proper range. CONSTITUTION: A manufacturing method for a diamond-like carbon with a smooth surface is as follows. The anode current and substrate bias voltage during formation of a diamond-like carbon film are controlled so that the ratio of the average surface roughness of a coating layer to that of an interfacial layer is kept below 0.2. The proper ranges of the anode current and substrate bias voltage are 0.5~1.0A and more than 2.0KV, respectively. An apparatus for the method comprises a vacuum chamber(1), a substrate transfer and rotation apparatus(13), a substrate holder(2), a substrate(3), a sputtering source(4), a target(5), an ion beam source(6), a filament(7), an anode(8), an ion focusing board(9), a gas injector(10), a substrate bias power source(11), and an argon gas injector(12).
Abstract:
PURPOSE: A corrosion resistance improvement method for a magnesium board is provided to maximize surface treatment efficiency for a magnesium board by removing foreign substances through ultrasonic treatment using alcohol and acetone and thermal treatment. CONSTITUTION: A corrosion resistance improvement method for a magnesium board comprises a degreasing process, a cleaning process, and a thermal treatment of 250~400°C for 10 minutes to 1 hour. The degreasing process is a process for eliminating machining oil from the surface of a magnesium board(40), thereby improving the corrosion resistance of the magnesium board. The clean process is a process for eliminating foreign materials remaining in the surface of the magnesium board with ultrasonic wave.