CLASSIFYING DEFECTS IN STRUCTURAL MATERIALS PURSUANT TO DETECTION BY MEANS OF ULTRASONICS

D-6689 CLASSIFYING DEFECTS IN STRUCTURAL MATERIALS PURSUANT TO DETECTION BY MEANS OF ULTRASONICS The wave form of an ultrasonic flaw echo is analyzed by generating from the signal a complex signal function and determining the location of the peak in the complex function plane. The angle of the vecto...

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Bibliographic Details
Main Authors LATHER, DIETER, STERNBERG, WALTER, SCHNEIDER, HEINZ, LANG, RAIMUND, ABEND, KLAUS
Format Patent
LanguageEnglish
French
Published 21.06.1983
Edition3
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Summary:D-6689 CLASSIFYING DEFECTS IN STRUCTURAL MATERIALS PURSUANT TO DETECTION BY MEANS OF ULTRASONICS The wave form of an ultrasonic flaw echo is analyzed by generating from the signal a complex signal function and determining the location of the peak in the complex function plane. The angle of the vector representing the peak is normalized by means of analogously processing reference echos, and the normalized peak displacement angle is used as discriminating criterion to separate harmless errors from harmful ones.
Bibliography:Application Number: CA19790335642