Magnetic Particle Testing (MT)

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Principle:

Magnetic Particle Testing (MT) is used to detect surface and near-surface discontinuities in ferromagnetic materials. The test piece is magnetized, and iron particles are applied. If a defect is present, it distorts the magnetic field, attracting the particles and revealing the flaw.

Applications:

Inspection of welds, castings, and machined components
Crack detection in pipelines, pressure vessels, and structural steel
Commonly used in industries like manufacturing, aerospace, and automotive

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