Characterising failure in textile-reinforced thermoplastic composites by electromagnetic emission measurements under medium and high velocity impact loading
作者： VV Astanin , GO Shchegel , W Hufenbach , A Hornig , A Langkamp
DOI: 10.1016/J.IJIMPENG.2012.05.001
关键词: Textile 、 Work (thermodynamics) 、 Polypropylene 、 Acoustic emission 、 Composite material 、 Materials science 、 Signal 、 Plane (geometry) 、 Delamination 、 Electromagnetic emission
摘要: Abstract The presented work focuses on failure in fibre-reinforced thermoplastic composites under medium and high velocity impact loading conditions. investigated material is a fabric-reinforced polypropylene (PP) made of hybrid E-glass/PP yarns. Small mass impacts with velocities 40 up to 1600 m/s are used damage the plane specimens thickness t = 2 mm. Electromagnetic acoustic emission signals (EME AE) measured during signal interdependencies elaborated. A relation can be drawn between sources according modes. examinations show, that electromagnetic phenomena mainly related fibre-matrix-debonding (FMD).
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