On creep, recovery, and stress relaxation of carbon fiber-reinforced epoxy filament wound composites
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Polymer Engineering and Science
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Resumo
This work encompasses an analytical procedure and
experimental tests for the study of creep/recovery, stress
relaxation, and viscoelastic behavior, focusing on the
glassy state, of carbon fiber-reinforced epoxy filament
wound composites of distinct fiber orientation: [0]4, [30]4,
and [60]4. The laminate with longitudinally aligned fibers
did not show significant creep and its storage modulus
was the highest in comparison to the other angles. Both
creep and recovery responses were studied based on a
Weibull distribution approach at two stress levels (2 and 5
MPa) and the results were found more comprehensive for
the highest level. Stress relaxation modulus was calculated
using 1% strain and decreased with the fiber orientation
angle. The results were corroborated by those of
isothermal tests based on non-linear regression.
Como referenciar
ALMEIDA JUNIOR, JOSE H.; ORNAGHI JUNIOR, HEITOR L.; LORANDI, NATALIA; MARINUCCI, GERSON; AMICO, SANDRO. On creep, recovery, and stress relaxation of carbon fiber-reinforced epoxy filament wound composites. Polymer Engineering and Science, v. 58, n. 10, p. 1837-1842, 2018. DOI: 10.1002/pen.24790. Disponível em: http://repositorio.ipen.br/handle/123456789/28508. Acesso em: 30 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.