Method of producing an erosion resistant surface

Details Method of producing an erosion resistant surface Method of producing an erosion resistant surface

1980-03-26

1981-05-26

Kendall, Ralph S.

Coating processes

Interior of hollow article coating

Metal base

427237, 427249, 428163, 428164, C23C 1304

Patent

active

042698723

ABSTRACT:
An erosion resistant surface is provided for pump components, valves, fluid conduits, diffusion chambers, fluid cleaners, and the like, wherein the surface is exposed to high velocity flow of a fluid containing abrasive particulates. Sharply increased erosion life of such surfaces can be obtained by providing a plurality of closely spaced depressions in the surface, with each depression having a depth in excess of its width, and then applying an erosion resistant coating to the remaining original surface and all surfaces of the depressions.

REFERENCES:
patent: 2993678 (1961-07-01), Schultz et al.
patent: 3795494 (1974-03-01), Hordon
patent: 3864199 (1975-02-01), Meginnis
patent: 3951612 (1976-04-01), Gates
patent: 4004615 (1977-01-01), Stern

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