Magnetic particle testing

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last updated：Oct 11, 2022

計測検査

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Magnetic powder adheres to the defect, causing the defect to expand! Introducing an inspection method suitable for ferromagnetic materials.

Magnetic Particle Testing is a suitable inspection method for detecting flaws near the surface of ferromagnetic materials. When a test specimen with cracks or other flaws in the surface or just below the surface is magnetized, magnetic flux leaks from the flaws, creating magnetic poles. When magnetic particles are sprinkled on the surface of the test specimen, they adhere to the flaw, enlarging it and making detection easier. 【Features】 ■ Applicable only to ferromagnetic materials ■ Effective for surface flaws ■ An effective inspection method for crack-like flaws ■ In places where outdoor or dark conditions are not possible, color magnetic particles (white, black, etc.) that do not require black light are used. *For more details, please refer to the PDF document or feel free to contact us.