Assess the Integrity of Ferromagnetic Materials
Magnetic particle testing (MDT) is a nondestructive testing technique for detecting imperfections and discontinuities in iron, nickel and other types of ferromagnetic materials. When subjected to either direct or indirect magnetization, a material imperfection at the surface or subsurface level of a ferromagnetic material under test “leaks” magnetic flux, and serves as a point of attraction for ferrous iron particles. The accumulation of particles helps inspectors to locate and identify these material imperfections, allowing for further evaluation and analysis.
Magnetic particle testing is a fast, simple, inexpensive and highly portable NDT technique for detecting fine or shallow surface cracks in pipes and fixtures made of ferromagnetic material. It is a versatile evaluation technique that can be used to detect imperfections on test specimens of widely varying shapes and sizes. Further, the use of magnetic particle testing does not require extensive surface preparation of testing materials. In fact, it can be used to detect discontinuities even through thin exterior coatings.
For more than 30 years, the TÜV SÜD name has been synonymous with quality inspection services in the energy and chemical industries. We’re a leading provider of both NDT and advanced NDT testing and inspection services, and our laboratories and testing facilities can perform quality inspections on almost any form of ferrous material. TÜV SÜD can also conduct NDT and advanced NDT testing and analysis services at customer site locations and in the field to provide our clients with maximum flexibility.