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State of residual stresses after the process of milling selected aluminium alloys

Kuczmaszewski Józef, Łogin Waldemar, Pieśko Paweł, Zagórski Ireneusz

Advances in Science and Technology. Research Journal

2018

Vol. 12, no 1

63--73

The purpose of this paper was to analyse the structure and the state of residual stresses in the samples made of rolled AW-2024 and AW-7075 aluminium alloy plates, prior to machine cutting and after the process of milling under various machining conditions. The state of stresses was evaluated on the basis of measurements by means of sin2vF X-ray diffractometry and layer removal method. Furthermore, top layer microstructures were compared in half-finished product, machined product, and core material samples.