Mapping defect on the surface with eddy current testing

  • Eddy Current (ECT)

    Mapping defect on the surface with eddy current testing

    Posted by william on 27/11/2021 at 3:13 pm

    Hello experts,
    I’m wondering which techniques are used to make a map of an area, in order to locate flaws on the surface.
    I read that it is doable with a sheet with plenty of pancake coil (10 to 100), but it seems complicated to connect and operate all these.
    Have you got better solutions to avoid the previous one ?
    What are the advantages and inconvenience ?
    Thanks for helping
    products austenitic stainless steel and similar alloys. it may help you.

    jaden replied 3 years, 4 months ago 2 Members · 1 Reply
  • 1 Reply
  • Eddy Current (ECT)

    jaden

    Member
    28/11/2021 at 12:44 pm

    you would need to use some sort of multiplexer to drive your pancake coils, otherwise there will be much cross-talk between the coils and it will affect data quality.

    What are you using to drive your coils?

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