Apparatus for monitoring high temperature ultrasonic characteriz

Measuring and testing – Vibration – By mechanical waves

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73597, 73602, G01N 2918

Patent

active

057315213

ABSTRACT:
A method and an apparatus for nondestructive detecting and evaluating chas in the microstructural properties of a material by employing one or more magnetostrictive transducers linked to the material by means of one or more sonic signal conductors. The magnetostrictive transducer or transducers are connected to a pulser/receiver which in turn is connected to an oscilloscope. The oscilloscope is connected to a computer which employs an algorithm to evaluate changes in the velocity of a signal transmitted to the material sample as function of time and temperature.

REFERENCES:
patent: 3699808 (1972-10-01), Ford
patent: 3751977 (1973-08-01), Schilling, Jr.
patent: 4346599 (1982-08-01), McLaughlin
patent: 4377087 (1983-03-01), Rodot
patent: 4879905 (1989-11-01), Chen

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