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Ciência & Tecnologia dos Materiais
versión impresa ISSN 0870-8312
Resumen
RUBIO, Juan C. Campos; ABRAO, Alexandre M.; FARIA, Paulo E. y DAVIM, J. Paulo. Análise digital de dano na furação de materiais compósitos laminados. C.Tecn. Mat. [online]. 2007, vol.19, n.1-2, pp.19-24. ISSN 0870-8312.
Fibre reinforced composites are widely recognized for their superior mechanical properties and advantages for applications in aerospace, defense and transportation sectors. In spite of the fact that, in general, composites are produced to near-net-shape, additional machining operations such as drilling are often required. Nevertheless, the cutting tool action during machining may damage the work material surfaces. Delamination is the principal damage observed after drilling composite materials. The delamination factor has been used by several investigators to characterize the level damage the drill entrance and exit side of the machined composite material. More frequently, this factor is determined as the ratio of the maximum diameter in the damage zone to the nominal diameter. The aim of this work is to propose a methodology based on digital analysis of the damage in order to assess delamination.
Palabras clave : Composite laminates; Delamination factor; Digital analysis; Drilling.