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Compounding and Composites

This study focuses on the analysis and optimization of composite laminates, specifically exploring the mechanical performance of a test laminate composed of 14 layers of 430 g/m² glass fiber subjected to three-point bending. Key parameters including E-modulus, yield strength, and breaking strength are conservatively extracted. The analysis extends to a sandwich beam with a PET P150 core and ATLAC AC580 resin, assessing different core materials and thicknesses. Additionally, the research examines the failure mechanisms of the beam under varying conditions and core materials, providing crucial insights into structural performance.

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Compounding and Composites

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  1. Compounding and Composites Rene Herrmann

  2. Laminateanalysis, planning and optimization (1) • Any real laminate is imperfect for manyreasons. Considermaking a test laminate with 14 layers of 430g/m^2 glasfiber and load the piece in 3 point bending. Extract E modulus and, maximum strain and (yield) breakingstrengthconservetively. • UseExemple 1 on Sandwiththeoryhandbook(page 32) and recalculatehow a sandwich beam with 1 layer of glas fiber shouldbehaveifcore material is PET P150 (diab) and resin is ATLAC AC580. The snadwichbeam is center loaded and dimensions are 10 mm foamthickness. Skin thickness is to be measured. • Beamwidth and length is to be measured.

  3. Laminateanalysis, planning and optimization (2) • Analysewhat force wouldhave broken the same beamif a) the foamwouldhavebeen AIREX C52.60 or b) Diab PVC H100 or c) Corecell A80 with thickness 9,5mm • Studyif the sandwich is limeddue to shear in the core or skinn of the laminate.

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