Loosening of threaded fasteners can cause preload decline, induce bolt fatigue fracture, and
severely compromise the reliability of mechanical products. Loosening detection is an …

The integrity of bolted joints is still a challenging problem owing to the gross or localized slip
at the interfacial surfaces of the joints when subjected to external disturbances such as …

For the monitoring of plate structures, phased array guided wave has great application
prospects to effectively determine damage location and size. Locating damage via phased …

Looseness detection of bolted connections is an essential industrial issue that can reduce
the maintenance and repair costs caused by joint failures; however, current loosening …

In the past decade, bolt looseness detection has attracted much attention. Compared to
common approaches that require the implementation of constant-contact sensors, several …

Bolts are widely used in the fields of mechanical, civil, and aerospace engineering. The
condition of bolt joints has a significant impact on the safe and reliable operation of the …

Metal fatigue is a typical industrial failure, and investigations on monitoring of fatigue cracks
are required. Therefore, in this study, we developed an exploratory study by proposing a …

Electro-mechanical impedance (EMI) has been proved as an effective non-destructive
evaluation indicator in monitoring the looseness of bolted joints. Yet due to the complex …

Among various building blocks, bolted connections are the most widely used components,
which can be employed to hold the integrity of entire structures. Looseness detection of …

Bolted connections are prone to losing their preloads with the increasing service life, thus
inducing engineering accidents and economic losses in industries. Therefore, it is important …