| 摘要 |
An apparatus for thermally spraying a coating on a workpiece includes a fluid flow control shroud having a shaped inner surface portion complimentary to a preselected surface of the workpiece. During the coating operation, a supply of pressurized gas is introduced between the inner surface of the shroud and the workpiece surface to exclude deflected coating particles, remove weakly or loosely bonded particles, and cool the workpiece.
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