Materials 2014, 7(5), 3802-3819; doi:10.3390/ma7053802
Article

Drilling Damage in Composite Material

1,* email, 2email, 3email, 1email and 1email
Received: 27 February 2014; in revised form: 29 April 2014 / Accepted: 8 May 2014 / Published: 14 May 2014
(This article belongs to the Special Issue Carbon Fibers)
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract: The characteristics of carbon fibre reinforced laminates have widened their use from aerospace to domestic appliances, and new possibilities for their usage emerge almost daily. In many of the possible applications, the laminates need to be drilled for assembly purposes. It is known that a drilling process that reduces the drill thrust force can decrease the risk of delamination. In this work, damage assessment methods based on data extracted from radiographic images are compared and correlated with mechanical test results—bearing test and delamination onset test—and analytical models. The results demonstrate the importance of an adequate selection of drilling tools and machining parameters to extend the life cycle of these laminates as a consequence of enhanced reliability.
Keywords: fiber reinforced composites; carbon fibers; drilling; thrust force; delamination; radiography; computational image processing and analysis; bearing test
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MDPI and ACS Style

Durão, L.M.P.; Tavares, J.M.R.; de Albuquerque, V.H.C.; Marques, J.F.S.; Andrade, O.N. Drilling Damage in Composite Material. Materials 2014, 7, 3802-3819.

AMA Style

Durão LMP, Tavares JMR, de Albuquerque VHC, Marques JFS, Andrade ON. Drilling Damage in Composite Material. Materials. 2014; 7(5):3802-3819.

Chicago/Turabian Style

Durão, Luís M.P.; Tavares, João M.R.; de Albuquerque, Victor H.C.; Marques, Jorge F.S.; Andrade, Oscar N. 2014. "Drilling Damage in Composite Material." Materials 7, no. 5: 3802-3819.

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