Detection of defects using resonant ultrasound spectroscopy at p

Details Detection of defects using resonant ultrasound spectroscopy at p Detection of defects using resonant ultrasound spectroscopy at p

1995-08-23

1998-11-17

Brock, Michael

Measuring and testing

Vibration

Resonance, frequency, or amplitude study

G01N 2912

Patent

active

058378960

ABSTRACT:
Methods for the prediction of the frequency of high order resonant ultrasound spectroscopy (RUS) diagnostic modes are used to limit the band width of diagnostic testing at high order mode frequencies. Testing of parts at low order frequency modes is used to calculate part dimensions, and then these calculated part dimensions are used to predict high order diagnostic mode frequencies. Lower order mode frequencies are used to predict high order diagnostic mode frequencies.

REFERENCES:
patent: 4446733 (1984-05-01), Okubo
patent: 4926691 (1990-05-01), Franklin et a.
patent: 5425272 (1995-06-01), Rhodes et al.
patent: 5571966 (1996-11-01), Tsuboi

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