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Ultrasonic Testing (UT) is a branch of NDT technology that involves the emission of high-frequency acoustic energy or ultrasound into an asset for corrosion mapping, obtaining data/measurement, or identifying cracks or defects. There are three basic components included in UT.
Time of Flight Diffraction (TOFD) is one of the most reliable NDT methods for weld seam inspection prior to welding and during the in-service inspection.
By Hou
In order to improve the safety of car driving, especially at night, some cars will be equipped with on-board night vision devices. It has an infrared detection system that can sense infrared rays beyond the visual range of the human eye, helping car owners to observe from a longer distance.
By Geym
The focusing lens is the last optical device in the laser path, before it hits the part. Its primary role is to focus the laser beam to a specific focal length (FL) - depending on the application.
