Measuring and testing – Vibration – By mechanical waves
Patent
1984-04-11
1985-12-24
Ciarlante, Anthony V.
Measuring and testing
Vibration
By mechanical waves
G01N 2904
Patent
active
045598274
ABSTRACT:
Ultrasonically testing of an article at high temperatures is accomplished by the use of a compact layer of a dry ceramic powder as a couplant in a method which involves providing an ultrasonic transducer as a probe capable of transmitting shear waves, coupling the probe to the article through a thin compact layer of a dry ceramic powder, propagating a shear wave from the probe through the ceramic powder and into the article to develop echo signals, and analyzing the echo signals to determine at least one physical characteristic of the article.
REFERENCES:
patent: 3663842 (1972-05-01), Miller
patent: 3678737 (1972-07-01), Miller
patent: 3714816 (1973-02-01), Miller
patent: 3732444 (1973-05-01), Miller
patent: 3763694 (1973-10-01), Rathburn et al.
patent: 4069083 (1978-01-01), Palmer
Kupperman David S.
Lanham Ronald N.
Ciarlante Anthony V.
Hightower Judson R.
Lohff William
The United States of America as represented by the United States
Weinberger James W.
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