Online and offline monitoring of composite bolted joints under tensile load were investigated using piezoelectric transducers. The relationships between Lamb wave signals, pre-tightening force, the applied tensile load, as well as the failure modes were investigated. Results indicated that / wave amplitudes decrease with the increasing of load. Relationships between damage features and / mode were built based on the finite element (FE) simulation and experimental results. The possibility of application of Lamb wave-based structure health monitoring in bolted joint-like composite structures was thus achieved.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5554033 | PMC |
| http://dx.doi.org/10.3390/ma10060652 | DOI Listing |
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