Fast and non-destructive ultrasonic test for face masks.
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DOI: 10.1016/j.ultras.2021.106556
Abstract: As a consequence of the large demand of face masks due to the COVID19 pandemic, cheap, fast and non-destructive tests that can verify in-line the variability of the filtration capacities, prove the potential disinfection and/or… read more here.
Keywords: ultrasonic test; destructive ultrasonic; non destructive; fast non ... See more keywords
Monitoring of bitumen hardening with a non-destructive ultrasonic shear wave reflection technique
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DOI: 10.1080/10298436.2016.1138110
Abstract: Abstract The article presents a possibility of using a non-destructive ultrasonic shear wave reflection technique for monitoring hardening process of bitumen. The technique relies on the use of a new measuring instrument called USWR-4 Hardening… read more here.
Keywords: technique; shear wave; destructive ultrasonic; non destructive ... See more keywords