Investigation of failure mechanisms in GFRP sandwich structures with face sheet wrinkle defects used for wind turbine blades

Wrinkle defects can be formed during the production of wind turbine blades consisting of composite monolithic and sandwich laminates. Earlier studies have shown that the in-plane compressive strength of a sandwich panel with wrinkle defects may decrease dramatically. This study focuses on the failur...

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Veröffentlicht in:	Composite structures 2012-01, Vol.94 (2), p.768-778
Hauptverfasser:	Leong, Martin, Overgaard, Lars C.T., Thomsen, Ole T., Lund, Erik, Daniel, Isaac M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Composites Correlation Defects Digital image correlation (DIC) Exact sciences and technology Failure Failure criteria Finite Element Analysis (FEA) Forms of application and semi-finished materials Fracture mechanics (crack, fatigue, damage...) Fundamental areas of phenomenology (including applications) GFRP sandwich structures Glass fiber reinforced plastics Mathematical models Physics Polymer industry, paints, wood Solid mechanics Strain Structural and continuum mechanics Technology of polymers Wind turbines Wood Wood. Paper. Non wovens Wrinkle defects
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