Quality assurance of surface treatments by analysis of substrate

Details Quality assurance of surface treatments by analysis of substrate Quality assurance of surface treatments by analysis of substrate

1991-02-01

1993-04-20

Lall, Parshotam S.

Boots, shoes, and leggings

72 53, 364560, B24C 110

Patent

active

052048268

ABSTRACT:
A quality assurance of surface treatments, typically with shot peening, by analysis of substrate surface line traces is disclosed. In particular, line traces are created over the surface treated substrate. These line traces are filtered with a low pass filter to create relative maximums. The coordinates of the relative maximums are determined and the spatial distance between these coordinates are measured and recorded. The actual plastic upset depth of the surface treatment substrate is determined. The surface treatment is then adjusted, if necessary, based upon the values of these spatial distances and actual plastic upset depths.

REFERENCES:
patent: 4514469 (1985-04-01), Loersch et al.
patent: 4805429 (1989-02-01), Thompson
patent: 5003805 (1991-04-01), Thompson

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