Published February 16, 1978 | Version v1
Patent Metadata-only

Method for automatic recognition of ultrasonic indicators in the non-destructive testing of metallic work pieces

Creators

Description

The method described here is for testing welded seams by means of pulse scanning and is characterized in that the response threshold is dynamically guided to the ground level by means of an averaging over a certain number of single pulses. (RW)

Availability note (English)

Available from ZAED. Also available from Dt. Patentamt, Muenchen (FRG).

Abstract (German)

Das hier beschriebene Verfahren dient zur Pruefung von Schweissnaehten mit Hilfe der Impulsabtastung und ist dadurch charakterisiert, dass die Ausprechschwelle mit Hilfe einer Mittelwertbildung ueber eine bestimmte Anzahl Einzelpulse dem Grundpegel dynamisch nachgefuehrt wird. (RW)

Additional details

Additional titles

Original title (German)
Verfahren zur automatischen Erkennung von Ultraschallanzeigenstellen bei der zerstoerungsfreien Pruefung metallischer Werkstuecke

Publishing Information

Imprint Pagination
11 p.
IPC:
Int. Cl. G01N 29/04.
IPC
Int. Cl. G01N 29/04.
Patent number
DE patent document 2636401/A/

INIS

Country of Publication
Germany
Country of Input or Organization
Germany
INIS RN
10421298
Subject category
S42: ENGINEERING;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
AUTOMATION; INSPECTION; MEASURING METHODS; METALS; PIPES; QUALITY CONTROL; TUBES; ULTRASONIC TESTING; WELDED JOINTS
Descriptors DEC
ACOUSTIC TESTING; CONTROL; ELEMENTS; JOINTS; MATERIALS TESTING; NONDESTRUCTIVE TESTING; TESTING