Tiny particles of magnetite (Fe3O4) are applied to the surface of the part, and then a strong magnetic field is applied. Magnetic Particle Inspection uses a magnetic field to detect surface-breaking discontinuities in ferromagnetic materials. Some of the more common NDT techniques include: NDT is widely used in construction, aerospace, defence, oil & gas, power generation and medical fields.There are many NDT methods available, each with its own advantages and limitations. There are other terms used to describe this technology, including Non-Destructive Examination (NDE) and Non-Destructive Inspection (NDI).ĭue to the fact no harm occurs to the items being tested, NDT is highly valued as a technique for product evaluation and research, often saving time and money. Non Destructive Testing, or NDT, is a blanket term for a wide range of analysis techniques used in many industries in order to evaluate the properties of a material or component without damaging it or impairing its properties or performance.
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