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TechCorr- Alternating Current Field Measurement (ACFM)

Discover how ACFM technology enables accurate detection and sizing of surface-breaking cracks in metals through coatings.

Video 1 min read February 21, 2024

This video details the use of Alternating Current Field Measurement (ACFM) as a non-destructive testing method for metal components. ACFM is an electromagnetic technique that introduces an alternating current into the surface of a material to identify surface-breaking cracks. The process is capable of sizing defects while operating through existing coatings, which simplifies inspection requirements. TechCorr utilizes this technology to provide immediate defect sizing and recording, which assists in maintaining asset integrity.

What this video covers

  • The electromagnetic principles used to detect surface cracks.
  • The ability to perform inspections through material coatings.
  • The application of ACFM for underwater structural weld assessments.
  • Technical comparisons regarding defect detection rates versus other methods.

This method provides precise data for monitoring metal asset conditions.

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