NDTnet 1998 Aug, Vol.3 No.8

The Use of the Alternating Current Field Measurement (ACFM) Technique for Mechanised Inspection.
G.A. Raine - Technical Software Consultants, UK.
Keywords: Offshore
Abstract
The ACEM technique was originally developed to be deployed by diving inspectors for the inspection of subsea offshore structures for the detection of surface breaking fatigue cracks. A portable unit was produced for manual use and has successfully been used in the inspection of petrochemical, process, pressurised systems and power generation plant.
With the further development of ACFM arrays the ACFM technique has also been used when automated and semi automated techniques have been required for particular applications. The ACFM technique has now been applied to the inspection of underwater structures using robotic manipulators, the inspection of tubulars on the NASA space station, corrosion detection in underground storage tanks, the detection of cracks in internal and external threads and for the mechanised inspection of circumferential welds.
Abstract Source:
Book of Abstracts, 7th European Conference on Non-Destructive Testing, 26-29 May 1998, ISBN: 87-986898-0-00
Full-Text Source:
Proceedings of the 7th European Conference on Non-Destructive Testing, 26-29 May 1998, ISBN:
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