Rapid surface chemical solution planarization equipment of flexible metal strip
A strip surface and chemical solution technology, which is applied to the surface coating liquid device, special surface, pretreatment surface, etc., can solve the problems of slow tape running speed and easy defects, so as to improve the coating speed and improve the coating quality. Efficiency, the effect of improving the quality of the oxide film
Active Publication Date: 2014-08-13
赵遵成
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Problems solved by technology
However, this method also has disadvantages. During the heat treatment of the solution planarization method to form an amorphous oxide film, as the temperature rises, the organic solvent first volatilizes, and then the solute decomposes into an amorphous oxide, and the volatilization and decomposition temperature changes too quickly when the temperature rises. Defects appear, in order to reduce the defects, the strip material slowly enters the high temperature zone from the room temperature zone at a very low speed, so that the organic solvent in the precursor liquid film is fully volatilized, resulting in a slow strip speed
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Embodiment 1
[0021] Example 1: Rapid preparation of AlYO\Y by chemical solution method on Hastelloy 276 2 o 3 A method for flattening an amorphous film for a high-temperature superconducting coating conductor substrate, comprising the following steps:
[0022] (1) Acetone cleaning of the metal substrate: press figure 1 Install the flexible metal strip as shown, pour 1800 ml of acetone into the figure 1 In the three liquid tanks shown, it is guaranteed that the metal strip can be submerged. The three liquid tanks are placed in an ultrasonic container filled with water, and the ultrasonic equipment is working. At the same time, the metal strip passes through three acetone liquids at a speed of 30 m / h groove. 3 round trips to work.
[0023] (2) Ethanol cleaning of the metal base strip: replace the three liquid tanks in step (1) with ethanol, and the ultrasonic equipment works, and the metal strip passes through the three ethanol liquid tanks sequentially at a speed of 30 m / h. Work back a...
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The invention relates to rapid surface chemical solution planarization equipment of a flexible metal strip, belonging to the technical field of dip coating. The whole equipment comprises a rack, a multi-channel strip transmission control system, a heating system, an exhaust system, a liquid adding system and a control system, wherein the multi-channel strip transmission control system is arranged on the rack and comprises two driving wheels, a speed regulation motor, a tachometer wheel, an upper pulley block and a lower pulley block, the heating control system is arranged on the rack and comprises six (not limited to six) vertical tubular furnaces, each tubular furnace is provided with three (or more) independent heating regions A, B and C, the exhaust system comprises an exhaust gas collection cavity, an exhaust pipe and an outdoor exhaust fan, the liquid adding system comprises a liquid groove, a liquid inlet pipe and a liquid outlet pipe. In the equipment, continuous strip transmission, stepped heating and multi-channel repeated coating are adopted, and the equipment is low in cost and is applicable industrial-scale production and rapid chemical solution planarization on the surface of the flexible metal strip; and moreover, the equipment also can be used for cleaning a long strip, or coating an organic thin film on the strip.
Description
technical field [0001] The invention belongs to the technical field of coating by pulling method, and relates to technical equipment for rapidly planarizing the surface solution of a metal substrate in a high-temperature superconducting coated conductor strip. Background technique [0002] High-temperature superconducting coated conductor tape is one of the research hotspots in the field of high-temperature superconducting materials, and its preparation includes two parts: the preparation of biaxially textured base tape and the preparation of functional layers. Biaxially textured substrate preparation technology can be divided into two categories: ion beam assisted deposition technology (Ion Beam Assisted Deposition, abbreviated as IBAD) and rolling assisted biaxially textured substrates technology (Rolled Assisted Biaxially Textured Substrates, abbreviated as RABiTS). Ion beam assisted deposition (IBAD) has no special requirements on the material of the metal baseband. Both...
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IPC IPC(8): B05C9/14B05C11/04B05C11/11B05D5/00B05D3/02
Inventor 赵遵成田晓光卢涛
Owner 赵遵成