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    Wyświetlanie 1-9 z 9
    Tytuł:
    Modelling and Experimental Testing of Hybrid Joints Made of: Aluminium Adherends, Adhesive Layers and Rivets for Aerospace Applications
    Autorzy:
    Sadowski, T.
    Golewski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/356712.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    hybrid joints
    numerical modelling
    experiments
    Opis:
    The contemporary demands in different branches of engineering require application of new multi-component materials and structural systems. Appropriately chosen joining technology can offer significant enhancement of structural system performance in terms of effectiveness, reliability, safety and other design criteria. The modern applications of complex joints are of great technological interest as they permit to combine and to enhance the individual effects of each kind of joint. This is of great importance for modern applications in different branches of engineering: aerospace, mechanical and civil. Therefore in this paper we will focus on the analysis of mechanical response of adhesive joint of aluminium strips reinforced by rivets. The aim of the paper is to investigate experimentally the mechanical behaviour of adhesive joint of aluminium strips reinforced by rivets for industrial applications in aerospace. The considered joint was subjected to uniaxial loading. The tests in this paper were performed for: • classical adhesive joint in order to investigate material parameters for numerical modelling of the hybrid joint • hybrid joining of the structural elements in order to investigate the reinforcement effect. The experiments with application of digital image ARAMIS system allowed for on-line monitoring of the deformation process of the considered joining elements. The particular distributions of displacement fields at the joint surface were estimated for any stage of loading process. Numerical modelling was performed for experimentally investigated specimens. The materials parameters, necessary for calculation, were estimated from experiments. FEA modelling was done with the help of ABAQUS code.
    Źródło:
    Archives of Metallurgy and Materials; 2017, 62, 3; 1577-1583
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Impact of Assembly Method on the Strength of Single-Lap Joints of Aircraft Aluminum Alloy Sheets
    Autorzy:
    Miturska, Izabela
    Powiązania:
    https://bibliotekanauki.pl/articles/103043.pdf
    Data publikacji:
    2020
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    adhesive joints
    rivet joints
    hybrid joints
    epoxy adhesive
    aluminium sheets
    połączenia klejone
    połączenia nitowe
    połączenia hybrydowe
    klej epoksydowy
    blachy aluminiowe
    Opis:
    The paper presents a comparative analysis of the strength properties of single-lap assembly joints. Single-lap joints are commonly used in various structures because of their strength properties. Three types of joints, widely used in modern structures, were prepared and tested: adhesive, rivet, and hybrid adhesive-rivet joints. The experiments were carried out using aluminum alloy EN AW-2024, a structural material used in aviation. In the adhesive joints, the substrates were joined using a two-component epoxy adhesive composed of Epidian 53 epoxy resin and polymide curing agent (PAC) – Epidian 53/PAC/100:80. The rivet joints were formed using steel-aluminum blind rivets. The rivets were arranged in four different configurations. One of the very important structural factors considered when designing single-lap assembly joints is overlap length. In the present study, two overlap lengths were tested: 12 mm and 20 mm. The assembly joints were subjected to strength tests. Tensile-shear strength was determined. The results were analyzed statistically.
    Źródło:
    Advances in Science and Technology. Research Journal; 2020, 14, 2; 163-170
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of the filled epoxy resin interlayers on the adhesion in polymer-metal hybrid joints
    Autorzy:
    Trzaska, O.
    Kaczmar, J. W.
    Wróblewski, R.
    Niekrasz, M.
    Kornacki, Ł.
    Casalegno, V.
    Periolatto, M.
    Bongiovanni, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/278268.pdf
    Data publikacji:
    2016
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Inżynierii Materiałów Polimerowych i Barwników
    Tematy:
    epoxy resin
    polymer-metal hybrid composite
    hybrid joints
    adhesion promoters
    żywica epoksydowa
    kompozyt hybrydowy polimer-metal
    połączenia hybrydowe
    promotory adhezji
    Opis:
    Two epoxy resin compounds were used as the adhesion interlayers at the interface between an injected glass fibre reinforced thermoplastic polymer PA6GF30 (polyamide 6 with 30% wt. of glass fibres) and steel sheet (DC01 steel, 0.5 mm thick). Both epoxy resins, Epidian62 and Epidian57, were filled with alumina particles (grain size of 3 µm ± 1%) in a volume rate of 100:29 epoxy resin - alumina. Steel sheets with cured layer of epoxy resin compounds were placed in the injection mold, then the PA6GF30 was injected between them. Shear strength tests were basis for the evaluation of the adhesion of the manufactured polymer-metal hybrid joints. SEM and optical microscopy analysis were used to investigate the structure of joints after shear deformation. Conversion rates of epoxy compounds and heat of curing reactions were investigated by using of differential scanning calorimeter (DSC). It was found that the highest strength of these joints was achieved for epoxy compounds based on Epidian62.
    Źródło:
    Przetwórstwo Tworzyw; 2016, T. 22, Nr 1 (169), 1 (169); 27-35
    1429-0472
    Pojawia się w:
    Przetwórstwo Tworzyw
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Technological problems and experimental investigation of hybrid: clinched - adhesively bonded joint
    Zagadnienia technologiczne i badania eksperymentalne w połączeniach hybrydowych: klinczowo-adhezyjnych
    Autorzy:
    Balawender, T.
    Sadowski, T.
    Kneć, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/351328.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    złącza klinczowe
    klinczowo-adhezyjne połączenia hybrydowe
    cyfrowy system przetwarzania obrazu
    clinching
    hybrid clinched - adhesive joints
    digital image correlation system
    Opis:
    The choice of proper joining technology is an essential aspect of designing and manufacturing activity. New product designs enforce joining different materials in a new joining method. Clinching is a relatively new joining technology in which sheet metal parts are deformed locally without use of any additional element. Combining clinching with adhesive bonding seems to be interesting hybrid joining method with new potential applications in manufacturing industry. The paper deals with discussion of technological aspects and experimental investigations of clinched lap joints of different metal strips combined with their adhesive bonding, which can be applied for different branches of engineering. The main purpose of using different types of sheet metals was to analyze their influences on the geometry and mechanical strength of the clinched joint. The experiments with application of Digital Image Correlation (DIC) system ARAMIS allowed for exact monitoring of the deformation process of considered hybrid joint. The clinched joint test specimens were carried out with laboratory test-stand which consisted of a pair of tools (punch and die) attached to C-frame hydraulic press.
    Wybór właściwej technologii łączenia stanowi istotny aspekt projektowania i wytwarzania. Projektowanie nowych produktów wymusza łączenie różnych materiałów za pomocą nowych technologii. Łączenie przetłaczaniem (klinczowanie) jest relatywnie nową technologią, w której różne części metalowe łączone są poprzez lokalną deformację bez zastosowania dodatkowych elementów. Równoczesne zastosowanie klinczowania i klejenia łączonych elementów jest interesującą propozycją hybrydowego połączenia z nowymi potencjalnymi możliwościami zastosowania w przemyśle wytwórczym. W pracy przedyskutowano aspekty technologiczne i badania eksperymentalne klinczowych połączeń zakładkowych wykonanych z różnych materiałów w połączeniu z techniką klejenia, które mogą być zastosowane w różnych gałęziach inżynierii. Głównym celem pracy było zastosowanie różnych materiałów metalicznych, aby przeanalizować ich wpływ na geometrię i mechaniczną wytrzymałość połączeń hybrydowych. Badania wspomagane były przy pomocy cyfrowego systemu przetwarzania obrazów ARAMIS, który pozwala na dokładne monitorowanie całego procesu deformacji rozpatrywanego połączenia hybrydowego. Złącza klinczowe na próbkach stosowanych w badaniach wykonywano na laboratoryjnym stanowisku badawczym wyposażonym w prasę ramową typu C z zamontowanym zestawem narzędzi (stemplem i matrycą).
    Źródło:
    Archives of Metallurgy and Materials; 2011, 56, 2; 438-446
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Structure and Properties of Hybrid Laser Arc Welded T-Joints (Laser Beam - MAG) in Thermo-Mechanical Control Processed Steel S700MC of 10 mm thickness
    Autorzy:
    Górka, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/352132.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    HLAW hybrid welding
    T-joints
    S700MC steel
    quality of welded joints
    Opis:
    In this article examinations of hybrid welding technology (laser beam + MAG) of T-joints from thermomechanically worked high strength steel S700MC 10 mm thick were presented. Joints welded from one side and both sides were made. Carried examinations enabled to classify joints in quality level B according to ISO 12932 (Welding. Laser-arc hybrid welding of steels, nickel and n ickel alloys. Quality levels for imperfections). In case of one sided welding with partial penetration with beam power of 8.5 kW 8 mm of penetration was achieved without noticeable distortion of web. Double sided joints were characterized with correct geometry. Joint metal is bainitic-ferritic in structure and its hardness rises about 40 HV1 in comparison to base metal hardness (280 HV1). In HAZ a slight softening of material in comparison to base metal is present.
    Źródło:
    Archives of Metallurgy and Materials; 2018, 63, 3; 1125-1131
    1733-3490
    Pojawia się w:
    Archives of Metallurgy and Materials
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mechanical properties of AW-5083 alloy joints welded by hybrid method : FSW and MIG
    Autorzy:
    Dudzik, Krzysztof
    Powiązania:
    https://bibliotekanauki.pl/articles/241583.pdf
    Data publikacji:
    2019
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    hybrid welding
    Friction Stir Welding
    FSW
    welding
    MIG
    aluminium alloys
    joints
    mechanical properties
    shipbuilding
    Opis:
    The article presents the research results on the mechanical properties of aluminum alloy AW-5083 and its joints welded by hybrid method – traditional MIG and FSW. AW-5083 alloy is the most currently used in shipbuilding industry. Friction Stir Welding (FSW) – a new technology can be successfully used for butt-welding of different types of aluminum alloy sheets. FSW method can be an alternative to traditional arc welding methods i.e. MIG or TIG. Hybrid welding (FSW with MIG or TIG) could be used in cases when joining only by FSW is not possible. Welding parameters used for the connection of the sheets were presented. Metallographic analysis showed the correct construction of structural bonded joints. The research was carried out using a static tensile test in accordance with the requirements of the Standard PN-EN ISO 4136:2013-05. Flat samples cut perpendicular to the direction of rolling were used. The research was conducted at the temperature of +20ºC. The test shows that the mechanical properties of joints made by hybrid method compered to native material were lower. The tensile strength of joint was lower by 20% then native material 5083 while its yield stress was lower only about 6%. The biggest change was observed in case of plastic properties. Elongation of joint was over 50% lower compared to native material. Despite the decrease of mechanical properties, they meets the requirements of classification societies, so the conclusion is that hybrid method (FSW and MIG) of joining AW-5083 can be applied in shipbuilding industry.
    Źródło:
    Journal of KONES; 2019, 26, 4; 47-52
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Improvement of fatigue life of riveted joints in helicopter airframes
    Autorzy:
    Rośkowicz, Marek
    Godzimirski, Jan
    Jasztal, Michał
    Gąsior, Jarosław
    Powiązania:
    https://bibliotekanauki.pl/articles/1841763.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
    Tematy:
    riveted joints
    hybrid joint
    fatigue life
    titanium driven blind bolts with pin
    ordinary mushroom head rivets
    Opis:
    Using original cold-formed rivets in repairs of airframes of helicopters is difficult due to no access to inside parts of the airframe. Thus, the main aim of the study was to investigate the possibility to use the blind rivets or hybrid joints by verification the fatigue performance of such joints that must be better than with original rivets. Riveted and hybrid joints have been experimentally tested under static and fatigue loads. Furthermore, numerical calculations of stress distribution for strapped joint have been conducted. The test results covered fatigue life of lap joints and models of repaired airframe sheets using ordinary mushroom head rivets ref. 3558A-4-10, titanium driven blind bolts with pin, ref. MBF2110AB-05-150 and modified hybrid joints. Using titanium driven blind bolts with pin instead of ordinary hammer-bucked rivets, can improve the fatigue life of element made of aluminum alloy AW 2024T3. There are advantages of replacing riveted joints with modified hybrid (rivet & adhesive) joints in threefold increase in fatigue life of repaired airframe structures.
    Źródło:
    Eksploatacja i Niezawodność; 2021, 23, 1; 165-175
    1507-2711
    Pojawia się w:
    Eksploatacja i Niezawodność
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Improvement of fatigue life of riveted joints in helicopter airframes
    Autorzy:
    Rośkowicz, Marek
    Godzimirski, Jan
    Jasztal, Michał
    Gąsior, Jarosław
    Powiązania:
    https://bibliotekanauki.pl/articles/1841792.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
    Tematy:
    riveted joints
    hybrid joint
    fatigue life
    titanium driven blind bolts with pin
    ordinary mushroom head rivets
    Opis:
    Using original cold-formed rivets in repairs of airframes of helicopters is difficult due to no access to inside parts of the airframe. Thus, the main aim of the study was to investigate the possibility to use the blind rivets or hybrid joints by verification the fatigue performance of such joints that must be better than with original rivets. Riveted and hybrid joints have been experimentally tested under static and fatigue loads. Furthermore, numerical calculations of stress distribution for strapped joint have been conducted. The test results covered fatigue life of lap joints and models of repaired airframe sheets using ordinary mushroom head rivets ref. 3558A-4-10, titanium driven blind bolts with pin, ref. MBF2110AB-05-150 and modified hybrid joints. Using titanium driven blind bolts with pin instead of ordinary hammer-bucked rivets, can improve the fatigue life of element made of aluminum alloy AW 2024T3. There are advantages of replacing riveted joints with modified hybrid (rivet & adhesive) joints in threefold increase in fatigue life of repaired airframe structures.
    Źródło:
    Eksploatacja i Niezawodność; 2021, 23, 1; 165-175
    1507-2711
    Pojawia się w:
    Eksploatacja i Niezawodność
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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