AATA found that the total global revenue from NDT equipment manufacturers reached nearly $2.1 billion during 2015 with $923.4 million attributed to primary equipment sales and $584.6 million to secondary equipment.
The words were right there in the footnotes of the engineering drawing: “Must inspect with eddy current.” Yet, there were no indications of what areas of the component were to be inspected, and there were no notes specifying what the eddy current test was supposed to do. Find cracks? Verify heat treat? Check threads?
The American Society for Nondestructive Testing (ASNT), which facilitates the largest organized society for nondestructive testing professionals, currently lists fourteen viable NDT inspection methods that can be used today.
NDT, NDE, NDI... In the world around us, these little three letter combinations are a big deal. Nondestructive testing (NDT) has a reputation. Like any form of quality control, there are lovers and haters of it; however, NDT is well known for being one of the most well-respected.
The history of X-rays goes back to 1895, when Wilhelm Conrad Roentgen discovered and identified X-rays. Then, in 1909, Charles Glover Barkla discovered a connection between X-rays radiating from a sample and the atomic weight of the sample.