In 1992 the National Transportation Safety Board (NTSB) commissioned a report to study the causes of wheel separations from medium and heavy duty trucks. The report showed that on average between 750 ...

An innovation in bolt indicators ends the guessing game for obtaining an optimum bolt preload. There are many applications in which it is crucial that a proper bolt preload should be applied and, ...

How External Loads Affect Bolted Joints, Structural Properties of Bolted Joints, Torquing down nuts and bolts, as any handyman or mechanic knows, makes for secure joints. The question is how much ...

The Fraunhofer Institute for Nondestructive Testing IZFP carries out research and development activities in the field of nondestructive testing processes along the entire materials value chain. For ...

A piezoelectric load-sensing washer currently under development provides a more accurate way to measure the clamping force exerted by the bolt it is on. A piezoelectric load-sensing washer being ...