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    Wyświetlanie 1-5 z 5
    Tytuł:
    The Effect of Plunge Depth on the Strength Properties of Friction Welded Joints Using the RFSSW Method
    Autorzy:
    Kluz, Rafał
    Kubit, Andrzej
    Wydrzyński, Dawid
    Powiązania:
    https://bibliotekanauki.pl/articles/102342.pdf
    Data publikacji:
    2018
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    friction stir welding
    joining aluminium alloys
    refile friction spot stir welding
    zgrzewanie tarciowe
    łączenie stopów aluminium
    spawanie punktowe z mieszaniem punktowym
    Opis:
    The Refill Friction Stir Spot Welding (RFSSW) method consists of three variable process parameters: rotational speed, tool plunge time and depth. The article presents an analysis of the effects tool plunge depth on shear strength. For this purpose, samples had a shearing load applied in a device prepare for this purpose. The shear strength was determined. An analysis of the results showed that tool plunge has a large effect on the strength of the joint and the structure of the joint. Depending on the tool plunge value, three types of joint failure were observed during the static shear strength test.
    Źródło:
    Advances in Science and Technology. Research Journal; 2018, 12, 1; 41-47
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Effect of Brushing on Residual Stress and Surface Roughness of EN AW-2024-T3 Aluminum Alloy Joints Welded Using the FSW Method
    Autorzy:
    Bucior, Magdalena
    Kluz, Rafał
    Kubit, Andrzej
    Ochał, Kamil
    Powiązania:
    https://bibliotekanauki.pl/articles/2201870.pdf
    Data publikacji:
    2023
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    brushing
    aluminum alloy
    friction stir welding
    FSW
    surface roughness
    residual stress
    Opis:
    This article presents the influence of the brushing process on residual stress and surface roughness of EN AW-2024-T3 aluminum alloy joints welded using the Friction Stir Welding (FSW) method. Butt joints with thicknesses of 2 mm were brushing with using ceramic brush. The aim of the study was to find optimal parameters of the brushing process, which would significantly improve the functional properties of welded joints. The experiments were carried out in two steps. In the first stage of the research, the feed rate was changed in the range f = 40 ÷ 120 mm / min with a constant brushing depth d = 0.5 mm. The roughness decreased from Sa = 5.285 µm for the specimen after welding to Sa = 2.460 µm for the f = 120 mm/min and d = 0.5 mm. The change in the parameters of the brushing process did not have a significant impact on the state of residual stresses. Hence, in the second step, the brushing depth was increased in steps of 0.1 mm. The best properties were obtained for f = 120 mm / min and d = 0.6 mm (variant 6A), where roughness was Sa = 0.443 µm and compressive stresses σ = -118 MPa.
    Źródło:
    Advances in Science and Technology. Research Journal; 2023, 17, 1; 86--93
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of RFSSW parameters on the load bearing capacity of aluminum 7075-T6 sheet metal joints
    Autorzy:
    Kluz, Rafał
    Kubit, Andrzej
    Wydrzyński, Dawid
    Powiązania:
    https://bibliotekanauki.pl/articles/103367.pdf
    Data publikacji:
    2018
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    friction stir spot welding
    aluminium 7075-T6
    process parameters
    zgrzewanie tarciowe
    parametry procesu
    Opis:
    Friction Stir Spot Welding is one of the most contemporary methods of joining metals and alloys in their solid state. The ability to join elements made of aluminum alloys allows for utilizing this method in the manufacturing of aircraft structures while lowering the work load, costs, and weight, without sacrificing or even having better strength parameters than classic methods of joining elements. It ensures constant joint parameters, however it requires the use of optimal welding parameters such as: the rotational speed of the tool, tool delve depth, and welding time. The work presents the results of experiments conducted on 7074 aluminum sheet metal that was 1.8 and 0.8 mm thick, which conducted in accordance with the PS/DK32 research plan. The welding tests were done on a dedicated spot welding machine, while the strength tests consisted of static tensile strength tests. In the final part of the article contains an analysis and interpretation of the results.
    Źródło:
    Advances in Science and Technology. Research Journal; 2018, 12, 2; 35-41
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Identifying Optimal Friction Stir Welding Process Parameters for 2024 Al Alloy Butt Joints
    Autorzy:
    Kluz, Rafał
    Bucior, Magdalena
    Kubit, Andrzej
    Powiązania:
    https://bibliotekanauki.pl/articles/102056.pdf
    Data publikacji:
    2019
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    design of an experiment
    friction stir welding
    aluminum alloy
    projekt eksperymentu
    zgrzewanie tarciowe
    stop aluminium
    Opis:
    Friction stir welding (FSW) is a solid state joining process used to join metals and their alloys. The main goal of this paper was to select the optimal welding parameters such as: rotational speed and the feed rate of the tool. The article presents the results of the tests on welding 1 mm thick 2024 aluminum sheet according to the statistical 3-level completed plan PS/DK 32. The rotational speed of the tool varied within the range of 1100–1300 rpm and the feed rate within the range of 40–60 mm/min. For these parameters, the analyses of the experiment repeatability, impact significance and adequacy of equations were conducted.
    Źródło:
    Advances in Science and Technology. Research Journal; 2019, 13, 4; 48-53
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of the Possibilities of Improving the Selected Properties Surface Layer of Butt Joints Made Using the FSW Method
    Autorzy:
    Bucior, Magdalena
    Kluz, Rafał
    Kubit, Andrzej
    Ochał, Kamil
    Powiązania:
    https://bibliotekanauki.pl/articles/103057.pdf
    Data publikacji:
    2020
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    śrutowanie
    zgrzewanie tarciowe z przemieszaniem
    2024
    stop aluminium
    shot peening
    FSW (friction stir welding)
    aluminum alloy
    Opis:
    The paper presents the results pertaining to an analysis on the influence of technological parameters of pneumatic shot peening technology on the selected properties of a surface layer of butt joints made with Friction stir weld‑ ing (FSW) method. Butt joints made of two 2024‑T3 aluminum alloy sheets with the thickness of 1 mm were shot peened with glass beads. The experiments were carried out according to the statistical 3‑level completed plan PS/DC 32 . The technological parameters were changed in the range: pressure p = 0.4–0.6 MPa and peening time t = 1–3 min. As a result of the conducted research, adequate equations describing the effect of the analyzed parameters on the surface roughness were obtained. Shot peening with glass beads significantly reduced the sur‑ face roughness from Ra = 5.2 µm to Ra = 1.42 µm. This treatment provides high compressive residual stresses and the increase of the surface layer hardness. The results show that shot peening is a highly efficient and cost‑effective mechanical treatment used for improving the mechanical properties of the butt joints made with the FSW method.
    Źródło:
    Advances in Science and Technology. Research Journal; 2020, 14, 1; 1-9
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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