Out of all the non-destructive testing techniques, only a few are suited for every type of application. For instance, on most composite materials, electromagnetic testing techniques don’t work, while computed tomography and X-rays are ideal. Likewise, ultrasounds are adaptable, but require appropriate coupling and direct contact with the surface under test, which is not possible in all cases. What’s … Continue reading Liquid Penetrant Testing – Advantages, Disadvantages & Alternatives