The use of the alternating current field measurement (ACFM) technique for mechanized and semi-automated inspection
- Technical Software Consultants Ltd., Milton Keynes (United Kingdom)
The Alternating Current Field Measurement (ACFM) technique was originally developed to be deployed by diving inspectors for the inspection off subsea offshore structures. The main application was the detection and sizing of surface breaking fatigue cracks. A portable unit was produced for manual use and has successfully been used in the inspection of petrochemical, process, pressurized systems and power generation plant. ACFM inspection technology has been developed from a manual deployed system which was used to detect and size surface breaking cracks through coatings in carbon steel to a technology that can be applied in a mechanized fashion to detect not only cracks but corrosion pits. The technique has been applied to a wide range of materials including carbon steels, austenitic stainless, duplex, super duplex and titanium. The application of arrays means that areas can be electronically scanned and defects in any orientation can be detected by the application of multi directional induced fields. The paper describes the versatility of not only ACFM but the application of array technology in new areas of technology.
- OSTI ID:
- 550064
- Report Number(s):
- CONF-9610109-; ISBN 1-57117-053-7; TRN: IM9753%%139
- Resource Relation:
- Conference: 1996 Fall conference and quality testing show. NDT - new horizons on the Pacific, Seattle, WA (United States), 14-18 Oct 1996; Other Information: PBD: 1996; Related Information: Is Part Of ASNT 1996 fall conference and quality testing show: Paper summaries; PB: 246 p.
- Country of Publication:
- United States
- Language:
- English
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