Abstract

The scope of this paper was to examine the effects of the ECAP procedure on the machinability of aluminium (EN AW-6082) based on turning tests. The behaviour of the ECAP material was investigated and compared to the as-received (AR) material. Since limited information on the machinability of ECAP materials is available, it was necessary to conduct an evaluation on basis of the untreated material. For this purpose, a defined range of cutting parameters, which were raised based on recommendations of the tool manufacturer were used for the first experiments. In order to analyse the effects of ECAP on the machinability the following comparative criteria were pulled up: the quality of the machined surfaces, appearing forces and chips produced.

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