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Manuel Lucas+49 (0)345 / 133 17-846
In contrast to conventional testing, no liquid coupling and no direct contact with the test object is required. Air-coupled ultrasound is not a new technology. It was primarily used in the aerospace industry in the 1970s. However, the possibilities of the technology at that time were very limited (error resolution, sensitivity, software post-processing, modularity, etc.) and were never really further developed.
With the advent of lightweight construction, in the course of climate change, renewable energies, cost efficiency, additive manufacturing, etc., contact-free air-coupled UT is gaining in importance again. Many components cannot be wetted with liquid coupling due to material or production-dependent properties, because they would otherwise swell, peel, corrode or otherwise be destroyed. Existing systems with liquid coupling (e.g. squirter or immersion technology test systems) also require complicated water supply and drainage as well as lengthy and costly drying processes.
Our Phased-Array air-coupled inspection system SONOAIR® meets exactly the above mentioned challenges.