Acoustic testing of complex multiple segment structures

Details Acoustic testing of complex multiple segment structures Acoustic testing of complex multiple segment structures

1983-09-27

1985-10-29

Ciarlante, Anthony V.

Measuring and testing

Vibration

By mechanical waves

73594, G01N 2904

Patent

active

045494371

ABSTRACT:
The present invention relates to a method for acoustic testing of multiple segment complex structures for detecting changes in the integrity of such structures to anticipate failure. The method of the present invention in its simplest form requires providing each segment of a complex multiple segment structure with at least one acoustic sensor, recording the intensity and frequency distribution of the acoustic waves sensed by such acoustic sensor; and finally comparing the acoustic waves that are sensed either against a standard, over time, and/or from one segment of the complex multiple segment structure to another segment of the complex multiple segment structure.

REFERENCES:
patent: 3564903 (1971-02-01), Woodmansee et al.
patent: 3858439 (1975-01-01), Nakamura
patent: 4006625 (1977-02-01), Davis
patent: 4128011 (1978-12-01), Savage

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