Detecting impact traces on a composite pressure vessel with aluminum-coating optical fiber using a phase-modulated BOCDA sensor

Impact traces on a composite pressure vessel were detected by measuring residual strain in aluminum (Al)-coating optical fiber for the first time. The residual strain was obtained by a Brillouin optical correlation domain analysis (BOCDA) sensor system, where a continuous optical signal was simultan...

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Veröffentlicht in:	Composites science and technology 2017-04, Vol.142, p.264-274
Hauptverfasser:	Choi, Bo-Hun, Seo, Dae-Cheol, Kwon, Il-Bum
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum Brillouin zones Cantilever beams Coating Composite materials Correlation analysis Cracks Deformation Deformation mechanisms Hydraulic pressure Impact behavior Impact damage Impactors Laminate Optical communication Optical fiber Position sensing Residual stress Sensors Strain gauges Structural damage Structure composites Studies
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