Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Brewer’s Spent Grain (BSG) is a residue produced in large quantities of breweries.

Institute of Heavy Organic Synthesis “Blachownia”, Łukasiewicz Research Network, Energetykow 9, 47-225 Kedzierzyn-Kozle, Poland ...

Abstract: Ultrasonic nondestructive stress testing supports the manufacture of precision equipment. Extracting the time-of-flight (TOF) of an ultrasonic echo signal is crucial for stress detection.