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Evaluating Residual Stresses Induced by Drilling of Ti-6Al-4V Alloy by Using an Experimental-Numerical Methodology

Communication avec acte
Author
NOBRE, Joao Paulo
MARTINS DO OUTEIRO, Jose Carlos
127742 Laboratoire Bourguignon des Matériaux et Procédés [LABOMAP]

URI
http://hdl.handle.net/10985/9823
DOI
10.1016/j.procir.2015.03.062
Date
2015

Abstract

An experimental-numerical methodology is applied to evaluate the residual stresses induced by drilling of Ti-6Al-4V alloy. The influence of ultra-high cutting speeds on the residual stress distribution is analysed. These ultra-high cutting speeds are produced by a turbine system powered by compressed air, which are commonly used in the hole-drilling equipment for residual stress measurements. The applied hybrid methodology has demonstrated an important role on the optimization of the drilling operations parameters for an improved residual stress distribution.

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