Welcome to eJAmerica - Questions?, where you can ask questions and receive answers from other members of the community.


0 votes
Ultrasonic Testing or UT as it is known has applications in a wide array of industries, from aerospace, automotive, to chemical, petroleum, bulk storage, power generation and offshore. UT is an element of your collection of techniques known as NDT (Non Destructive Testing) methods. Their purpose in market is allowing the inspection of parts and equipment with no damage or upsetting the condition. This allows testing and idea of degradation/problems to happen without further degrading the part or upsetting highly calibrated processes.
Ultrasonic Inspection works extremely well on all metals and some non-metals, including concrete and wood, though with less resolution. In standard UT a piezoelectric probe operates within the resist be inspected, as electricity runs with the probe, it's converted with the piezoelectric material inside probe into ultrasonic waves. These waves run over the material and are either received conversely by the separate probe, or reflected back and received through the original probe.
These two different ways of detection correspond with different modes of operation. When the waves are reflected back and received with the same probe that is referred to as "Reflection Mode" unsurprisingly. When the waves are received on the opposite side with a separate probe, it's called "Attenuation Mode". Both use various ways to interpret the outcomes, however both require highly skilled technicians to analyse and interpret the results, and report corresponding flaws.
Using standard UT a couplant is required between the transducer (the part emitting the ultrasonic waves) and the material being tested, this really is commonly a gel, oil or water and is also done to increase the resolution in the images received. Ultrasonic works poorly across air generally. Somewhat as opposed to nevertheless, can be a way of ultrasonic testing that could are employed in situations every time a couplant cannot be used. A transducer known as an Electromagnetic Acoustic Transducer (EMAT) works extremely well instead, this operates by generating the sound directly within the material, in contrast to from the probe and projecting it at the fabric. EMAT is definitely an emerging technology but finds used in many industries already.
Ultrasonic as well as other ndt testing companies (go to website) methods are used in industry to analyse materials, often for safety and legal reasons, though sometimes for other uses like inspecting challenging to reach places before spending more income and/or effort to inspect the area in depth.
Cases where regular and liberal using NDT might be beneficial become apparent when dealing with a system failure that will be highly detrimental to production or revenue. An example recently involved a career in which a power station had to take turbine offline expectantly, causing not just hassle, wasted time, but additionally an enormous decrease of production and added expense for repair.
Had NDT been applied more liberally ahead of the event, an inability like this might have been prevented, and the cost will be a fraction of what the organization wound up incurring.
by (180 points)

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.