Test system for defect determination in welding seams
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United States of America Patent
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-
Jul 30, 1985
Grant Date -
N/A
app pub date -
Sep 8, 1982
filing date -
Sep 10, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A system for non-destructive testing of metallic materials and for, in particular, welding seams. An ultrasonic sensor is employed and ultrasonic defect signals are producted according to the pulse echo method. The ultrasonic defect signals are digitized and the digitized signals are combined with signals corresponding to longitudinal positions along the welding seam. A defect curve is produced form the data resulting from combining the digitized signals with the signals corresponding to longitudinal positions along the welding seam. The resulting defect curve is compared with data from a catalog of classes of defects. The system eliminates the need for manual ultrasonic reinspection of presumed welding defects.
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