Published July 7, 1977 | Version v1
Patent Open

Method for the detection and monitoring of stepwise crack growth in a construction

Description

The invention relates to an instrument for the detection and monitoring of stepwise crack growth in a construction, with a sensor to detect acoustic energy released by the construction which produces an analog signal proportional to the energy released. (orig./RW)

Availability note (English)

MF available from INIS under the Report Number; Also available from Dt. Patentamt, Muenchen (FRG).

Abstract (German)

Die Erfindung bezieht sich auf eine Vorrichtung zum Feststellen und Ueberwachen des schrittweisen Wachstums eines Risses in einer Konstruktion mit einem Fuehler zum Feststellen der Freigabe akustischer Energie von der Konstruktion, die ein der Groesse der freiwerdenden Energie proportionales analoges Signal erzeugt. (orig./RW)

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Additional details

Additional titles

Original title (German)
Vorrichtung zum Feststellen und Ueberwachen des schrittweisen Wachstums eines Risses in einer Konstruktion

Publishing Information

Imprint Pagination
8 p.
IPC:
Int. Cl. G01N 29/04.
IPC
Int. Cl. G01N 29/04.
Patent number
DE patent document 2149753/C/

INIS

Country of Publication
Germany
Country of Input or Organization
Germany
INIS RN
9360746
Subject category
S42: ENGINEERING;
Descriptors DEI
CONSTRUCTION; CONTROL SYSTEMS; CRACKS; MATERIALS TESTING; METALS; PIEZOELECTRICITY; TRANSDUCERS
Descriptors DEC
ELECTRICITY; ELEMENTS; TESTING

Optional Information

Notes
3 figs.