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Article

Experimental and Numerical Investigations of Thin-Walled Stringer-Stiffened Panels Welded with RFSSW Technology under Uniaxial Compression

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Department of Manufacturing and Production Engineering, Rzeszow University of Technology, al. Powst. Warszawy 8, 35-959 Rzeszów, Poland
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Department of Materials Forming and Processing, Rzeszow University of Technology, al. Powst. Warszawy 8, 35-959 Rzeszów, Poland
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Department of Aircraft and Aircraft Engines, Rzeszow University of Technology, al. Powst. Warszawy 8, 35-959 Rzeszów, Poland
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Belgian Welding Institute, Technologiepark Zwijnaarde 935, B-9052 Ghent, Belgium
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Institute of Technology and Material Engineering, Faculty of Mechanical Engineering, Technical University of Košice, Mäsiarska 74, 040 01 Košice, Slovakia
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Author to whom correspondence should be addressed.
Materials 2019, 12(11), 1785; https://doi.org/10.3390/ma12111785
Received: 21 April 2019 / Revised: 23 May 2019 / Accepted: 28 May 2019 / Published: 1 June 2019
Many aircraft structures are thin walled and stringer-stiffened, and therefore, prone to a loss of stability. This paper deals with accurate and validated stability analysis of the model of aircraft skin under compressive loading. Both experimental and numerical analyzes are conducted. Two different methods of joining panel elements are considered. In the first case, the panel is fabricated using rivets. In the second variant, the refill friction stir spot welding technique is used. Both types of panels are loaded in axial compression in a uniaxial tensile testing machine. The geometrically and physically nonlinear finite element analyzes of the panels were carried out in ABAQUS/Standard. The Digital Image Correlation measurement system ARAMIS has been utilized to monitor the buckling behavior and failure mode in the skin-stringer interface of the stiffened panels. The results of experiments and the digital image correlation system are presented and compared to the numerical simulations. View Full-Text
Keywords: finite element modeling; friction stir spot welding; thin-walled structure; post-buckling analysis finite element modeling; friction stir spot welding; thin-walled structure; post-buckling analysis
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MDPI and ACS Style

Kubit, A.; Trzepiecinski, T.; Święch, Ł.; Faes, K.; Slota, J. Experimental and Numerical Investigations of Thin-Walled Stringer-Stiffened Panels Welded with RFSSW Technology under Uniaxial Compression. Materials 2019, 12, 1785. https://doi.org/10.3390/ma12111785

AMA Style

Kubit A, Trzepiecinski T, Święch Ł, Faes K, Slota J. Experimental and Numerical Investigations of Thin-Walled Stringer-Stiffened Panels Welded with RFSSW Technology under Uniaxial Compression. Materials. 2019; 12(11):1785. https://doi.org/10.3390/ma12111785

Chicago/Turabian Style

Kubit, Andrzej, Tomasz Trzepiecinski, Łukasz Święch, Koen Faes, and Jan Slota. 2019. "Experimental and Numerical Investigations of Thin-Walled Stringer-Stiffened Panels Welded with RFSSW Technology under Uniaxial Compression" Materials 12, no. 11: 1785. https://doi.org/10.3390/ma12111785

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