Dynamic properties of thermoplastic butadiene-styrene (SBS) and oxidized short carbon fiber composite materials

Abstract

ABSTRACT:In composites consisting of a thermoplastic butadiene-styrene (SBS) elastomer matrix reinforced with oxidized short carbon fiber, scanning electron microscopy (SEM) reveals the existence of matrix-fiber interactions, which are not detected when employing commercial carbon fiber. Interpretation of the dynamic properties and other parameters, such as equivalent interfacial thickness, and glass transition temperature, measured in terms of maximum damping temperature, as well as the apparent activation energy of the relaxation process, helps to explain the existence of such interactions.

Comparison of short carbon fibre surface treatments on epoxy composites

“…It is well known that the fibre/matrix adhesion strength plays an important role on the mechanical properties of fibre reinforced polymer composites [1][2][3][4][5][6][7][8]. When load is applied to composites, it will be distributed and transferred through fibre/matrix interfaces.…”

Compósito de resina poliuretano derivada de óleo de mamona e fibras vegetais

“…Temperatura ( entre fibra e matriz haja restrição ao movimento dos segmentos das cadeias macromoleculares localizadas na superfície da fibra. Esta restrição causa aumento da temperatura de transição vítrea e decréscimo do amortecimento, com conseqüente aumento da rigidez do material (Dutra et al, 2000), (Ibarra;Paños, 1998), (Kodama;Karino, 1986). A restrição ao movimento molecular da matriz pode também ocorrer devido à diferença entre os coeficientes de expansão térmica dos componentes (Dutra et al, 2000).…”

The Tribological Mechanism of Poly(Vinylidene Fluoride) Composites Reinforced with Carbon Fibers

“…Except for a few exceptions [14] , the wear resistance was improved with lower fiber content generally, e.g., GF or CF filled PEN, PEEK, PA, and so on [15,16] . This was attributed to a reduced ability of ploughing, tearing and other non-adhesive components of wear by the fibers, provided good interfacial adhesion between the matrix and the fiber reinforcement existed [14] . Carbon fiber reinforcement dominates in high-performance applications due to its outstanding mechanical properties combined with low weight.…”