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ECT BASED

Magnetic Flux Leakage Testing (MFL)

Magnetic flux leakage (MFL) is a magnetic method of non-destructive testing that is used by TCR Arabia to detect discontinuities such as corrosion, erosion, pitting and circumferential cracks. he magnetic flux leakage (MFL) approach is extensively used for the non-destructive testing (NDT) of large steel structures such as above ground storage tank (ASTs). MFL testing is well suited to the inspection AST floors due to its ability to cover vast areas quickly. These areas can be hundreds of square meter requiring the MFL tool to find and ideally determine the size of any material loss with diameters in the region of mm’s. This means that MFL equipment must be able to provide mm positional accuracy and report the severity of material loss for defects. However, it is the accuracy, repeatability and reliability of MFL signals for defect sizing that appears to be a common concern of the MFL community.

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