Please use this identifier to cite or link to this item: https://hdl.handle.net/10216/55263
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dc.creatorGuedes, RM
dc.creatorMarques, AT
dc.creatorCardon, A
dc.date.accessioned2019-04-12T23:11:47Z-
dc.date.available2019-04-12T23:11:47Z-
dc.date.issued1998
dc.identifier.issn1385-2000
dc.identifier.othersigarra:54057
dc.identifier.urihttps://hdl.handle.net/10216/55263-
dc.description.abstractA numerical procedure to predict long-term laminate properties of fibre reinforced composite materials was developed. In the procedure, we extended the classical laminate theory to include time related response of composite materials for membrane and flexural loading. The material response, dependent on the stress history, was modelled using the Schapery single integral equation. The integrals were handled by an approximate method that uses the Prony's series and only requires the storing of the current stress and some internal strain components. An efficient semi-direct time-integration scheme, providing a stable integration process, was derived to be included in the numerical procedure. Comparisons of theoretical results were made with experiments conducted on composite materials under creep-creep recovery, relaxation and ramp loading.
dc.language.isoeng
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc/4.0/
dc.subjectEngenharia de materiais
dc.subjectMaterials engineering
dc.titleAnalytical and Experimental Evaluation of Nonlinear Viscoelastic-Viscoplastic Composite Laminates under Creep, Creep-Recovery, Relaxation and Ramp Loading
dc.typeOutra Publicação em Revista Científica Internacional
dc.contributor.uportoFaculdade de Engenharia
dc.identifier.authenticusP-007-B0D
Appears in Collections:FEUP - Outra Publicação em Revista Científica Internacional

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