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- Title
EFFECT OF TOOL ECCENTRICITY ON MICROSTRUCTURE AND PROPERTIES OF FSW JOINTS MADE OF AL 7075 T6 ALLOY.
- Authors
Burek, Rafał; Wydrzyński, Dawid; Andres, Jacek; Wrońska, Agata
- Abstract
The aim of this paper was to present preliminary results of researches conducted in PZL Mielec within the FAST_FSW project (INNOLOT program) on the influence of tool eccentricity on microstructure and mechanical properties of 1.6 mm and 0.8 mm thick Al 7075 T6 sheets joints. Samples were performed using CNC milling machine. The range of tool eccentricity was 0-0.3 mm, rotational speed and feed rate were variable. The influence of the applied welding parameters on microstructure and mechanical properties of joints was assessed on the basis of metallographic inspections and tensile tests. Microstructural observations have shown that the change of FSW tool eccentricity affects the weld geometry: the mixing zone depth, the weld width, or the shape of the contact line.
- Subjects
ALUMINUM alloy welding; FRICTION stir welding testing; MACHINE tools; MICROSTRUCTURE; CONTACT mechanics
- Publication
Advances in Science & Technology Research Journal, 2017, Vol 11, Issue 4, p333
- ISSN
2080-4075
- Publication type
Article
- DOI
10.12913/22998624/80938