Delamination in carbon/epoxy plates drilling: tool and feed rate effect
by Luís Miguel Pereira Durão; Daniel Gonçalves; João Manuel R.S. Tavares; Victor Hugo C. De Albuquerque; António Manuel Rincon De Aguiar Vieira; António Paulo Monteiro Baptista
International Journal of Materials and Product Technology (IJMPT), Vol. 49, No. 4, 2014

Abstract: The attractive characteristics of carbon fibre reinforced plastics had their widespread use. In order to join different components, drilling is often necessary. It is known that a drilling process that reduces the drill thrust force can decrease the risk of delamination. In this work, three combinations of the drilling process are compared: tool diameter, tool geometry and feed rate. The parameters studied were: thrust force, delamination extension and mechanical strength of the drilled region-bearing test. This work demonstrates that a proper combination of the drilling variables can contribute to reduce the delamination damage and, consequently, enhance mechanical resistance of the joint.

Online publication date: Tue, 30-Sep-2014

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