Random field-based simulational identification of potential levels of material imperfections of adhesive-bonded joints

• Autorzy: Winkelmann Karol , Faizullah Jan , Smakosz Łukasz , Konopińska-Zmysłowska Violetta , Eremeyev Victor , Kujawa Marcin

Identyfikatory

DOI

10.24425/bpasts.2024.151678

• Języki publikacji: EN

Abstrakty

EN

Recently, structural adhesives have become significant in the shaping of structural elements, especially in thin-walled structures, where they replace or supplement traditional connection methods. However, adhesive-bonded joints are highly susceptible to internal structural imperfections due to their application technique and the nature of the adhesive. These material inconsistencies impact the strength parameters and the mechanical behavior of the entire connection. This study proposes a simplified method for the probabilistic numerical modeling of structural imperfections in an adhesive layer. The adhesive is modeled as an uncorrelated random field with weakened elements representing structural imperfections randomly scattered throughout its entire volume. The percentage of these imperfections (in relation to the total volume) is adopted as a random variable. By conducting experimental tests on dogbone specimens of a selected adhesive and comparing them to adequate numerical tests with varying volumes of weakened elements, the determination of the representative imperfection volume of the investigated adhesive became possible. Based on these tests, the calibration of the probability density function to describe the volume of the imperfections may be performed. Furthermore, the application of the random model for an adhesive-bonded single lap joint is shown to be viable. Finally, the calculation of a probability-based mechanical response (in this case, the normal force at critical elongation) of the single lap joint with structural imperfections is performed, and its resultant reliability is assessed and evaluated.

Słowa kluczowe

EN

adhesive-bonded joints; random fields; probabilistic analysis; reliability; adhesive imperfection

PL

połączenia klejone; pola losowe; analiza probabilistyczna; niezawodność; niedoskonałość

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2025
• Tom: Vol. 73, nr 1
• Strony: art. no. e151678
• Opis fizyczny: Bibliogr. 17 poz., rys., tab., wykr.

Twórcy

autor

Winkelmann Karol

• Gdansk University of Technology, Faculty of Civil and Environmental Engineering, Poland

• https://orcid.org/0000-0003-2848-0440

autor

Faizullah Jan

• Gdansk University of Technology, Faculty of Civil and Environmental Engineering, Poland

• https://orcid.org/0000-0001-8825-351X

autor

Smakosz Łukasz

• Gdansk University of Technology, Faculty of Civil and Environmental Engineering, Poland

• https://orcid.org/0000-0003-3731-1681

autor

Konopińska-Zmysłowska Violetta

• Gdansk University of Technology, Faculty of Civil and Environmental Engineering, Poland

• https://orcid.org/0000-0002-2560-1684

autor

Eremeyev Victor

• University of Cagliari, Faculty of Civil Engineering and Architecture, Italy

• https://orcid.org/0000-0002-8128-3262

autor

Kujawa Marcin

• Gdansk University of Technology, Faculty of Civil and Environmental Engineering, Poland

• https://orcid.org/0000-0002-1440-647X

Bibliografia

• [1] M. Kujawa et al., “The Idea of Using Adhesive Bonds in Shaping of Cold-formed Thin-walled Beam-columns,” in Sixty Shades of Generalized Continua. Advanced Structured Materials vol. 170, 1st ed., H. Altenbach et al., Eds. Cham: Springer, 2023, pp. 449–462, doi: 10.1007/978-3-031-26186-2_28.
• [2] S. Omairey, N. Jayasree, and M. Kazilas, “Defects and uncertainties of adhesively bonded composite joints,” SN Appl. Sci., vol. 3, p. 769, 2021, doi: 10.1007/s42452-021-04753-8.
• [3] F. Mortensen and O.T. Thomsen, “Analysis of adhesive bonded joints: A unified approach,” Compos. Sci. Technol., vol. 62, no. 7–8, pp. 1011–1031, 2002, doi: 10.1016/S0266-3538(02)00030-1.
• [4] A.P. Pisharody, B. Blandford, D.E. Smith, and D.A. Jack, “An experimental investigation on the effect of adhesive distribution on strength of bonded joints,” Appl. Adhes. Sci., vol. 7, p. 6, 2019, doi: 10.1186/s40563-019-0122-y.
• [5] X. Wei, Y. Huichen, and T. Chunhu, “Influence of randomly distributed adhesive properties on the overall mechanical response of metallic adhesively bonded joints,” Int. J. Adhes. Adhes., vol. 52, pp. 48–56, 2014, doi: 10.1016/j.ijadhadh.2014.04.001.
• [6] R. Jairaja and G. Narayana Naik, “Weak bond effects in adhesively bonded joints between the dissimilar adherends,” J. Adhes., vol. 97, no. 3, pp. 760–782, 2019, doi: 10.1080/00218464.2019.1702027.
• [7] J. Kuczmaszewski, Fundamentals of metal-metal adhesive joint design. Lublin: Lublin University of Technology, Polish Academy of Sciences, Lublin Branch, 2006.
• [8] E. Wojtczak, M. Rucka, and M. Knak, “Detection and imaging of debonding in adhesive joints of concrete beams strengthened with steel plates using guided waves and weighted root mean square,” Materials, vol. 13, no. 9, p. 2167, 2020, doi: 10.3390/ma13092167.
• [9] M. Nitka and J. Tejchman-Konarzewski, “A three-dimensional meso-scale approach to concrete fracture based on combined DEM with x-ray micro-CT images,” Cem. Concr. Res., vol. 107, pp. 11–29, 2018, doi: 10.1016/j.cemconres.2018.02.006.
• [10] W. Moćko, J. Janiszewski, J. Radziejewska, and M. Grązka, “Analysis of deformation history and damage initiation for 6082-T6 aluminium alloy loaded at classic and symmetric Taylor impact test conditions,” Int. J. Impact Eng., vol. 75, pp. 203–213, 2015, doi: 10.1016/j.ijimpeng.2014.08.015.
• [11] K. Żyliński, K. Winkelmann, and J. Górski, “The Effect of the Selection of Three-Dimensional Random Numerical Soil Models on Strip Foundation Settlements,” Appl. Sci., vol. 11, p. 7293, 2021, doi: 10.3390/app11167293.
• [12] M. Piekarczyk and R. Grec, “Application of adhesive bonding in steel and aluminum structures,” Arch. Civ. Eng., vol. 58, no. 3, pp. 309–329, 2012, doi: 10.2478/v.10169-012-0018-8.
• [13] E.W. Kuenzi and G.H. Stevens, Determination of mechanical properties of adhesives for use in the design of bonded joints. Washington D.C.: The United States Department of Agriculture, Forest Service, Forest Products Laboratory, vol. 11, 1963.
• [14] A.M. Hasofer and N.C. Lind. “An Exact and Invariant First-Order Reliability Format,” J. Eng. Mech.-ASCE, vol. 100, pp. 111–121, 1974, doi: 10.1061/JMCEA3.0001848.
• [15] C.A. Cornell, “A Probability-Based Structural Code*,” ACI J. Proc., vol. 66, no. 12, pp.974–985, 1969, doi: 10.14359/7446.
• [16] M. Gołota, J. Górski, T. Mikulski, and K. Winkelmann, “Influence of geometric imperfections on capacities of silo structures loaded with pressure below atmospheric” in Shell Structures: Theory and Applications vol. 2 – Proceedings of the 9th International Conference on Shell Structures: Theory and Applications, SSTA 2009, 1st ed., W. Pietraszkiewicz and I. Kreja, Eds. London: CRC Press/Balkema, 2010, pp. 287–290, doi: 10.1201/9780203859766.
• [17] K. Żyliński and J. Górski, “Probabilistic estimation of diverse soil condition impact on vertical axis tank deformation,” Bull. Pol. Acad. Sci. Tech. Sci., vol. 71, p. 144576, 2023, doi: 10.24425/bpasts.2023.144576.

Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025).