CommunityNDT CareersCompaniesLearnMembershipsHireExhibitSponsorCompare every featureMemberPremiumProAbout NDT InspectContactRefund policyTerms & privacyThe principle of the method is that the specimen is magnetised to produce magnetic lines of force, or flux, in the material. If these lines of force meet a discontinuity, such as a crack, secondary magnetic poles are created at the faces of the crack.
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955 discussions · 372 answers
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