President, Wyoming Test Fixtures Inc. In addition to mechanical tests used to determine material properties of composite materials, tests to determine structural properties are commonly performed on ...

The principles of the magnetic-perturbation method of flaw detection and the Barkhausen noise residual stress measurement method are briefly reviewed. It is suggested that they provide very powerful ...

As composite materials are used more extensively in structural applications, some test methods that once were considered very specialized and, therefore, not widely used, have become more significant.

Written by Dustin Clasby, Senior Engineer, Transportation Technology Center, Inc. TTCI R&D, RAILWAY AGE NOVEMBER 2021 ISSUE: Roller bearing reconditioning is a common practice in the railroad industry ...