Notched response of non-crimp fabric thin-ply laminates: Analysis methods

• Tipo: Artigo em Revista Científica Internacional
• Data: 2013

Autores

Arteiro, A (Autor) Outra; Catalanotti, G (Autor) Outra; Xavier, J (Autor) Outra; Camanho, PP (Autor) FEUP

Revista

Título: Composites Science and Technology

Vol. 88

Páginas: 165-171

ISSN: 0266-3538

Editora: Elsevier

Indexação

ISI Web of Knowledge - 35 Citações

Scopus - 39 Citações

Outras Informações

ID Authenticus: P-009-HFS

DOI: 10.1016/j.compscitech.2013.09.003

Abstract (EN): Analysis methods to predict the open-hole tensile and compressive response of thin-ply non-crimp fabric laminates are investigated in this paper. The point- and average-stress models and the Finite Fracture Mechanics model are used. It is shown that all models predict with reasonable accuracy the observed size effects in both tension and compression. The Finite Fracture Mechanics model, which requires two material properties (the unnotched strength and the fracture toughness) and does not need calibration from a baseline specimen, is used to predict the notched response of thin-ply non-crimp fabric laminates and of typical aerospace grade laminates based on unidirectional pre-impregnated plies. No substantial differences in notch sensitivity and inherent material/geometry brittleness is predicted.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 7