Method of monitoring defects in tubular products

Details Method of monitoring defects in tubular products Method of monitoring defects in tubular products

1979-09-17

1981-09-22

Gill, James J.

Measuring and testing

Vibration

By mechanical waves

73628, G01N 2904

Patent

active

042903084

ABSTRACT:
A defect such as a crack in a steam pipe is monitored by employing ultrasonic techniques to generate defect dependent signals and employing an Adaptive Learning Network (ALN) model to analyze the signals, whereby changes in the defect can be detected.

REFERENCES:
patent: 3662589 (1972-05-01), Adler et al.
patent: 3991607 (1976-11-01), Niklas
patent: 3996791 (1976-12-01), Niklas et al.
patent: 4052889 (1977-10-01), Mucciardi et al.

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