RAILWAY AGE MARCH 2022 ISSUE: Since 2020, Transportation Technology Center, Inc. (TTCI) has been conducting tests to evaluate the capability of electromagnetic acoustic transducer (EMAT) nondestructive evaluation (NDE) technology to detect internal defects in railroad wheels.
Preliminary tests, sponsored by the Association of American Railroads, were conducted in a laboratory setting using an off-the-shelf EMAT sensor. The sensor demonstrated excellent detection capability with a good signal-to-noi
Source: NDT
