Published April 29, 1983 | Version v1
Patent Metadata-only

Defect detection in metallic products by eddy current testing

Creators

Description

In this invention the probe comprises at least four coils in relative motion in respect to the metallic product. Signals produced by each coil are linearly combined and the variations are observed. This design allows the detection of long defects in long products

Availability note (English)

Available from Institut National de la Propriete Industrielle, Paris (France).

Abstract (French)

Dans cette invention la sonde est constituee par au moins 4 bobines en mouvement relatif par rapport au produit metallique. Les signaux produits par chaque bobine sont combines lineairement et on observe les variations. Ce procede permet la detection de defauts longs apparaissant dans des produits longs

Additional details

Additional titles

Original title (French)
Procede de detection de defauts d'un produit metallique par courants de Foucault

Publishing Information

Imprint Pagination
14 p.
IPC:
Int. Cl. G01n27/90.
IPC
Int. Cl. G01n27/90.
Patent number
FR patent document 2515353/A/

INIS

Country of Publication
France
Country of Input or Organization
France
INIS RN
15006670
Subject category
S42: ENGINEERING;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
DEFECTS; EDDY CURRENT TESTING; PROBES; SPECIFICATIONS
Descriptors DEC
ELECTROMAGNETIC TESTING; MATERIALS TESTING; NONDESTRUCTIVE TESTING; TESTING

Optional Information

Secondary number(s)
FR patent application 8120279.