Applied Inspection Systems

Last week’s HRSG Academy in Hilton Head, hosted by HRST, Inc. was a great success.

Applied Inspection Systems was honored to present at this year’s conference alongside Jeff Henry with ATC.

We appreciate the opportunity to collaborate, share knowledge, and contribute to an outstanding event.

🧲 Magnetic Particle Testing (MT): Precision You Can See

In the world of non-destructive testing (NDT), Magnetic Particle Testing (MT) also known as Magnetic Particle Inspection (MPI) is one of the most trusted methods for detecting surface and near-surface defects in ferromagnetic materials like iron, nickel, and cobalt alloys.

Here’s how it works: 👇

When a component is magnetized, any discontinuity (such as a crack, seam, or inclusion) interrupts the magnetic field, causing flux leakage.
Finely divided magnetic particles, applied dry or in a liquid suspension, gather at the leakage site — creating a visible indication of the flaw’s size, shape, and location.

💡 Why MT Matters:
Detects even subtle surface-breaking defects
Provides immediate visual results
Works well for welds, castings, and machined parts
Portable and efficient for both field and shop applications

⚙️ Limitations:
Only works on ferromagnetic materials
Surface must be accessible for accurate interpretation

From aerospace to oil & gas, MT remains a cornerstone of quality assurance, balancing science, precision, and practicality all without damaging the part being inspected.