Interlaminar Fracture Characterization of a Carbon-Epoxy Composite in Pure Mode II

• Tipo: Artigo em Livro de Atas de Conferência Internacional
• Data: 2010

Autores

Campilho, RDSG (Autor) Outra; de Moura, MFSF (Autor) FEUP; Pinto, AMG (Autor) Outra; Ramantani, DA (Autor) Outra

Ata de Conferência Internacional

Título: ADVANCED MATERIALS FORUM V, PT 1 AND 2

Páginas: 1518-1524

5th International Materials Symposium/14th Conference of the Sociedade-Portuguesa-de-Materiais

Lisbon, PORTUGAL, APR 05-08, 2009

Indexação

ISI Web of Knowledge - 2 Citações

Scopus - 4 Citações

Classificação Científica

FOS: Ciências da engenharia e tecnologias > Engenharia dos materiais

Outras Informações

ID Authenticus: P-003-9YR

DOI: 10.4028/www.scientific.net/msf.636-637.1518

Abstract (EN): The interlaminar fracture toughness in pure mode II (G(IIc)) of a Carbon-Fibre Reinforced Plastic (CFRP) composite is characterized experimentally and numerically in this work, using the End-Notched Flexure (ENF) fracture characterization test. The value of G(IIc) was extracted by a new data reduction scheme avoiding the crack length measurement, named Compliance-Based Beam Method (CBBM). This method eliminates the crack measurement errors, which can be non-negligible, and reflect on the accuracy of the fracture energy calculations. Moreover, it accounts for the Fracture Process Zone (FPZ) effects. A numerical study using the Finite Element Method (FEM) and a triangular cohesive damage model, implemented within interface finite elements and based on the indirect use of Fracture Mechanics, was performed to evaluate the suitability of the CBBM to obtain G(IIc). This was performed comparing the input values of G(IIc) in the numerical models with the ones resulting from the application of the CBBM to the numerical load-displacement (P-delta) curve. In this numerical study, the Compliance Calibration Method (CCM) was also used to extract G(IIc), for comparison purposes.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 7