Dynamic mechanical properties and correlation with dynamic fragility of sisal reinforced composites

In this study, the reinforcement effect in sisal/polyester composites containing distinct reinforcement content was studied ranging from fragile to strong classification. The results indicate that the reduced storage modulus changes steadily, and the loss modulus and the tan δ peak are broader for c...

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Veröffentlicht in:Polymer composites 2015-01, Vol.36 (1), p.161-166
Hauptverfasser: Ornaghi Junior, Heitor Luiz, Zattera, Ademir José, Amico, Sandro Campos
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container_title Polymer composites
container_volume 36
creator Ornaghi Junior, Heitor Luiz
Zattera, Ademir José
Amico, Sandro Campos
description In this study, the reinforcement effect in sisal/polyester composites containing distinct reinforcement content was studied ranging from fragile to strong classification. The results indicate that the reduced storage modulus changes steadily, and the loss modulus and the tan δ peak are broader for composites containing more fiber (dynamically strong composites). As more fiber was incorporated in the resin, lower peak height for the tan delta curve was obtained, which may be indicative of lower energy dissipation due to a greater relative amount of interface. Also, the use of reduced dynamic mechanical curves (similar to dynamic fragility) is an alternative to facilitate the study of the material behavior. POLYM. COMPOS., 36:161–166, 2015. © 2014 Society of Plastics Engineers
doi_str_mv 10.1002/pc.22925
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source Wiley Online Library Journals Frontfile Complete
subjects Dynamic mechanical properties
Dynamic tests
Dynamics
Fibers
Fragility
Loss modulus
Reinforcement
Sisal
title Dynamic mechanical properties and correlation with dynamic fragility of sisal reinforced composites
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