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Magnetic Particle Testing: The Best Time to Implement This NDT Method

calendar Sep. 02, 2022user-iconTXNDT

Entering into the world of nondestructive testing can appear daunting. NDT technicians perform complex inspection methods on assets and components that require precision and care.

Without an acute understanding of the different nondestructive testing methods, technicians run the risk of damaging costly assets and machines, wasting significant amounts of valuable time and money.

While NDT technicians should be trained in all inspection methods of NDT, one of the best places to begin may be magnetic particle testing. Here is what you should know.

What Is Nondestructive Testing?

Nondestructive testing, as its name suggests, is a set of inspection methods that can be performed on sensitive instruments and machines without causing any damage to the component under inspection.

Nondestructive testing can be used in a wide variety of industries, and testing methods vary depending on the type of machinery under inspection. Magnetic particle testing is one of those primary methods of inspection.

What is Magnetic Particle Testing?

As one might assume, magnetic particle testing employs the use of magnetic fields to identify surface flaws and discontinuities in the asset under inspection.

This inspection can be performed either directly or indirectly through tools and techniques including yokes, prods, coils, or through a central conductor. This process uses a ferromagnetic powder that is drawn into the discontinuity when applied to the surface of the part, revealing any flaws that may be present.

Magnetic particle testing is a great method, but it is only applicable in certain situations. First and foremost, the asset under inspection must be made of a ferromagnetic material for the fine pigmented powder to create an indication.

Magnetic particle testing is great for inspections that require portability, ease, and jobs that must be performed on assets of irregular shapes.

Magnetic particle testing should not be used in situations where the asset under inspection is not ferromagnetic.

Since magnetic particle testing is limited to surface or very near surface indications, any flaws that may be below the surface of the component will not appear, which could result in a misdiagnosis of the asset’s integrity. It is critical that all technicians choose the right method for each job performed to avoid any and all mistakes.

Contact TXNDT Today!

Magnetic particle testing is an important NDT method, but that is just the beginning of what a nondestructive testing technician needs to know to be skilled in their field.

A qualified technician should have a thorough understanding of all inspection methods like ultrasonic testing, liquid penetrant testing, visual inspection, and more.

If you are looking for nondestructive testing services to support your business and protect your assets or to become a technician yourself through NDT technician training, it’s crucial to choose the right company or school to meet your NDT needs.

TXNDT is a cut above the rest with superior NDT courses, knowledgeable instructors, and hands-on coursework to prepare all emerging technicians for NDT certification. Check us out online or give us a call today at 281-231-0001 to see how TXNDT can work for you!