TY - JOUR N2 - The aim of the study was to analyse mechanical properties and microstructure of joints obtained using friction stir welding (FSW) technology. The focus of the study was on overlap linear FSW joints made of 1.4541 DIN 17441 steel sheets with thickness of 1.2 mm. Tools used during friction stir welding of steel joints were made of W-Re alloy. The joints were subjected to visual inspection and their load bearing capacity was evaluated by means of the tensile strength test with analysis of joint breaking mechanism. Furthermore, the joints were also tested during metallographic examinations. The analysis performed in the study revealed that all the samples of the FSW joints were broken outside the joint area in the base material of the upper sheet metal, which confirms its high tensile strength. Mean load capacity of the joints was 15.8 kN. Macroscopic and microscopic examinations of the joints did not reveal significant defects on the joint surface and in the cross-sections. L1 - http://www.czasopisma.pan.pl/Content/110178/PDF/AMM-2019-1-56-Wieckowski.pdf L2 - http://www.czasopisma.pan.pl/Content/110178 PY - 2019 IS - No 1 EP - 399 DO - 10.24425/amm.2019.126265 KW - friction stir welding KW - FSW KW - 1.4541 steel A1 - Więckowski, W. A1 - Lacki, P. A1 - Adamus, J. PB - Institute of Metallurgy and Materials Science of Polish Academy of Sciences PB - Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences VL - vol. 64 DA - 2019.03.14 T1 - Examinations of steel overlap joints obtained using the friction stir welding technology SP - 393 UR - http://www.czasopisma.pan.pl/dlibra/publication/edition/110178 T2 - Archives of Metallurgy and Materials ER -