State of Residual Stresses After the Process of Milling Selected Aluminium Alloys
Waldemar Łogin 2  
,  
Paweł Pieśko 1  
,  
 
 
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1
Lublin University of Technology, Mechanical Engineering Faculty, Department of Production Engineering, Nadbystrzycka 36, 20-618 Lublin
2
PZL Mielec, a Sikorsky Company, Development Projects Office, Technical Section of Fasteners Free Aerostructures Projects, Wojska Polskiego 3, 39-300 Mielec
Publish date: 2018-03-01
 
Adv. Sci. Technol. Res. J. 2018; 12(1):63–73
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ABSTRACT:
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.
CORRESPONDING AUTHOR:
Ireneusz Zagórski   
Lublin University of Technology, Mechanical Engineering Faculty, Department of Production Engineering, Nadbystrzycka 36, 20-618 Lublin, Poland