Ultrasonic testing method

Details Ultrasonic testing method Ultrasonic testing method

1991-01-10

1993-07-13

Lobo, Ian J.

Communications, electrical: acoustic wave systems and devices

Testing, monitoring, or calibrating

73602, 73579, H04B 1700, G01N 2904

Patent

active

052280047

ABSTRACT:
An ultrasonic testing method includes the steps of transmitting an ultrasonic wave from a probe to a test article, detecting an internal flaw in the test article by a reflected flaw echo from the internal flaw, and determining the shape of the detected flaw by comparing and analyzing frequency components of the transmitted ultrasonic wave and the reflected flaw echo.

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Japanese Journal of Applied Physics, vol. 24, Suppl. No. 24, part 1, 1985, pp. 100-102, A. Jitsumori et al: "Detection of near-surface flaws using linear FM ultrasonic wave".
Grohs et al., "Characterization of flaw location, shape and dimensions with ALOK system," Materials Evaluation, vol. 40, #1 Jan. 1982.

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