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NOZZLE FOR COLD SPRAY, AND COLD SPRAY DEVICE USING NOZZLE FOR COLD SPRAY
NOZZLE FOR COLD SPRAY, AND COLD SPRAY DEVICE USING NOZZLE FOR COLD SPRAY
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机译:用于冷喷涂的喷嘴,以及使用用于冷喷涂的喷嘴的冷喷涂设备
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摘要
An object of the present invention is to provide a cold-spray nozzle that can be continuously used for a long time without causing clogging up of the nozzle compared to a conventional case to effectively obtain a high-quality film by a cold-spray method. To achieve the object, the cold-spray nozzle that is a convergent-divergent type cold-spray nozzle comprising a convergent part, a throat part, and a divergent part sequentially arranged in this order for constituting a working gas flow path along a working gas flow direction from an inlet side to an outlet side is employed. The inner peripheral surface of the divergent part has a conical shape and at least a part of the inner peripheral surface is constituted by a glass material.
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