= Magnetic flux leakage
{wiki=Magnetic_flux_leakage}
Magnetic Flux Leakage (MFL) is a non-destructive testing (NDT) technique used to detect surface and near-surface defects in ferromagnetic materials, such as steel. It is commonly employed in industries like oil and gas, power generation, and construction to inspect pipelines, storage tanks, and other components. \#\#\# How MFL Works: 1. **Magnetization**: A test object is first magnetized using either permanent magnets or electromagnets.
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