High pressure water jet apparatus for preparing low density meta

Details High pressure water jet apparatus for preparing low density meta High pressure water jet apparatus for preparing low density meta

1994-10-18

1997-05-06

Czaja, Donald E.

Coating apparatus

Projection or spray type

Inside of hollow work

118323, 239263, 2988806, 29DIG7, G05F 316

Patent

active

056266740

ABSTRACT:
The method of treating the surfaces of malleable light metal cylinder bores or other objects by blasting the surfaces with extremely high water jets for preparing such surfaces for subsequent coating with wear-resistant materials such as a thermal spray coating. The water not only cleans the surface but roughens it to produce a pitted surface with undercuts so that coating material fills the pits and undercuts to provide a smooth layer of coating material with a strong mechanical/adhesive bond.

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American Welding Society, Inc., "Thermal Spraying Practice, Theory, and Application," pp. 2, 3, and 50.
Flow International Corporation advertising brochure "FLOWFACTS," Jul. 1991.
Metco Inc. technical bulletin, "Metco Sprasteel 25 Wire," Oct. 30, 1981.

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