EMSS 2014 Proceeding

Evaluation of the erosive wear of the AA 6082 T6 alloy treated with friction stir Processing

Authors:   E. Martínez-Cámara, J. Blanco-Fernández, Y.P. Chacón, A. Sanchez-Roca, H. Carvajal-Fals

Abstract

This paper makes an evaluation of the influence of the parameters of friction stir process number of passes and tool rotation speed, in erosive wear resistance of the alloy AA6082 T6. Samples were processed with one, two and three passes with an overlap of 100%. For the wear tests, a mixing vessel tribometer was used with rotary motion for tilt angles of particles of 30º and 90º. The number of passes, the tool rotation speed and the tilt angle of the particles has an influence on the resistance to erosive wear of the alloy AA6082T6. The best performance in terms of erosive wear resistance for the tilt angle of 30º is achieved when the material is processed at 1800 rpm with three passes. When the tilt angle of the particles was 90º, samples treated with two passes showed better erosive wear behaviour, regardless of the tool rotation speed.

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