NOZZLE FOR USE IN COLD SPRAY TECHNIQUE AND COLD SPRAY SYSTEM

摘要

PPROBLEM TO BE SOLVED: To eliminate trouble in a cold spray system as well as nozzle repair by reducing the deposition of a metal powder to a nozzle 4 and the nozzle clogging. PSOLUTION: The nozzle 4 for use in a cold spray technique has a passage for spraying a powder material provided with a reduction part 100 and an enlargement part 102. At least the enlargement part 102 consists of a polybenzimidazole. As one aspect of the nozzle 4, the reduction part 100 also consists of the polybenzimidazole. PCOPYRIGHT: (C)2005,JPO&NCIPI