Journal
COMPOSITES PART B-ENGINEERING
Volume 109, Issue -, Pages 187-196Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2016.10.064
Keywords
Polymer-matrix composites (PMCs); Defects; Strength; Cure
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Polymeric composite parts are often manufactured with thin laminates and the manufacturer's recommended cure cycles are usually optimized for a less than 5 mm thickness. However, sometimes manufacturing thick laminates is necessary for structural applications: in this case, the manufacturer's cycle is not suitable as it can produce a peak of temperature in the laminate, which may compromise the structural integrity of the product. This work aims at quantifying both the magnitude of these peaks and its effect on the mechanical properties of the cured material through numerical and experimental tests. A decrease of the inter laminar shear strength with increasing temperature peak was found, while the duration of temperature peak did not influence the structural strength of the resin. (C) 2016 Elsevier Ltd. All rights reserved.
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