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Failure behavior of inclined thick adhesive joints with manufacturing defect

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Abstract

In this paper, numerical model of thick adhesive inclined joints has been prepared and validated against experimental test to study the effect of manufacturing defect on the joint strength. The inclined joint was made up of two laminate webs attached to a wedge by a layer of adhesive. Tensile tests were conducted on many thick adhesive joint specimens with two different geometries. One half of the symmetric test specimen was then modeled using finite element analysis in which cohesive zone modeling (CZM) was used to simulate the initiation and propagation of joint fracture. The progressive fracture through the adhesive layer and along adhesive-laminate interface was carefully examined. Based on inspection of the experimental test specimen, potential manufacturing defect types and locations were incorporated in the finite element model. The reduction in strength due to these manufacturing defects was used to predict the most critical flaw type in thick inclined joints. The differences between the “flawless” numerical model and the experimental test specimen was explained when these manufacturing defects were incorporated. The results were found to be consistent with the experimental tests.

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References

  1. A. J. Kinloch, Adhesion and adhesives: Science and technology, Chapman and Hall (1987).

    Book  Google Scholar 

  2. R. D. Adams and P. Cawley, A review of defect types and nondestructive testing techniques for composites and bonded joints, NDT Int., 21 (4) (1988) 208–222.

    Google Scholar 

  3. X. He, A review of finite element analysis of adhesively bonded joints, Int. J. Adhes. Adhes., 31 (2011) 248–264.

    Article  Google Scholar 

  4. L. J. Hart-Smith, Further developments in the design and analysis of adhesive-bonded structural joints, Join. Compos. Mater., ASTM International (1981) 3–3-29.

    Google Scholar 

  5. N. Stein, P. Weißgraeber and W. Becker, A model for brittle failure in adhesive lap joints of arbitrary joint configuration, Compos. Struct., 133 (2015) 707–718.

    Article  Google Scholar 

  6. F. Hélénon et al., Investigation into failure of laminated composite T-piece specimens under bending loading, Compos. Part A Appl. Sci. Manuf., 54 (7) (2013) 182–189.

    Article  Google Scholar 

  7. M. Elhannani et al., Numerical analysis of the effect of the presence, number and shape of bonding defect on the shear stresses distribution in an adhesive layer for the single-lap bonded joint; Part 1, Aerosp. Sci. Technol., 62 (2017) 122–135.

    Article  Google Scholar 

  8. M. Elhannani et al., Influence of the presence of defects on the adhesive layer for the single-lap bonded joint—Part II: Probabilistic assessment of the critical state, Aerosp. Sci. Technol., 63 (2017) 372–386.

    Article  Google Scholar 

  9. H. Schonhorn, F. W. Ryan and T. T. Wang, Effects of symmetrical bonding defects on tensile shear strength of lap joints having ductile adhesives, J. Appl. Polym. Sci., 15 (5)(1971) 1069–1078.

    Article  Google Scholar 

  10. N. G. Berry and J. R. M. D’Almeida, The influence of circular centered defects on the performance of carbonepoxy single lap joints, Polym. Test., 21 (2002) 373–379.

    Article  Google Scholar 

  11. W. Xu and Y. Wei, Strength analysis of metallic bonded joints containing defects, Comput. Mater. Sci., 53 (2012) 444–450.

    Article  Google Scholar 

  12. M. Shishesaz and N. Bavi, Shear stress distribution in adhesive layers of a double-lap joint with void or bond separation, J. Adhes. Sci. Technol., 27 (11) (2013) 1197–1225.

    Article  Google Scholar 

  13. Y. Hua, A. R. M. Kasavajhala and L. Gu, Elastic-plastic analysis and strength evaluation of adhesive joints in wind turbine blades, Compos. Part B Eng., 44 (1) (2013) 650–656.

    Article  Google Scholar 

  14. Y. M. Ji and K. S. Han, Fracture mechanics approach for failure of adhesive joints in wind turbine blades, Renew. Energy, 65 (2014) 23–28.

    Article  Google Scholar 

  15. J. F. Mandell et al., Analysis of SNL/MSU/DOE fatigue database trends for wind turbine blade materials, Albuquerque, NM, and Livermore, CA (2010).

    Book  Google Scholar 

  16. R. Krueger, Virtual crack closure technique: History, approach, and applications, Appl. Mech. Rev., 57 (2) (2004) 109.

    Article  Google Scholar 

  17. C. S. Ban et al., Strength prediction of adhesive joints using the modified damage zone theory, Compos. Struct., 86 (1–3) (2008) 96–100.

    Article  Google Scholar 

  18. N. Moës and T. Belytschko, Extended finite element method for cohesive crack growth, Eng. Fract. Mech., 69 (7) (2002) 813–833.

    Article  Google Scholar 

  19. A. Turon et al., An engineering solution for mesh size effects in the simulation of delamination using cohesive zone models, Eng. Fract. Mech., 74 (10) (2007) 1665–1682.

    Article  Google Scholar 

  20. A. Hillerborg, M. Modéer and P.-E. Petersson, Analysis of crack formation and crack growth in concrete by means of fracture mechanics and finite elements, Cem. Concr. Res., 6 (1976) 773–782.

    Article  Google Scholar 

  21. D. S. Dugdale, Yielding of steel sheets containing slits, J. Mech. Phys. Solids, 8 (2) (1960) 100–104.

    Article  Google Scholar 

  22. G. I. Barenblatt, The mathematical theory of equilibrium cracks in brittle fracture, Adv. Appl. Mech., 7 (1962) 55–129.

    Article  MathSciNet  Google Scholar 

  23. K. Ha, H. Baek and K. Park, Convergence of fracture process zone size in cohesive zone modeling, Appl. Math. Model., 39 (19) (2015) 5828–5836.

    Article  Google Scholar 

  24. N. Blal et al., Artificial compliance inherent to the intrinsic cohesive zone models: Criteria and application to planar meshes, Int. J. Fract., 178 (1–2) (2012) 71–83.

    Article  Google Scholar 

  25. M. L. Falk, A. Needleman and J. R. Rice, A critical evaluation of cohesive zone models of dynamic fracture, Jounal Phys. IV, Proc., 122 (June) (2001) 43–50.

    Google Scholar 

  26. G. R. Irwin, Plastic zone near a crack and fracture toughness, Proc. Seventh Sagamore Ordnance Mater. Conf. Vol IV, New York: Syracuse University (1960) 63–78.

    Google Scholar 

  27. M. L. Benzeggagh and M. Kenane, Measurement of mixedmode delamination fracture toughness of unidirectional glass/epoxy composites with mixed-mode bending apparatus, Compos. Sci. Technol., 56 (4) (1996) 439–449.

    Article  Google Scholar 

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Authors and Affiliations

  1. Department of Civil and Environmental Engineering, Western University, London, N6A-3K7, Canada

    Tsinuel Nurilligne Geleta

  2. School of Civil Engineering, Chungbuk National University, Cheongju, Chungbuk, 28644, Korea

    Kyeongsik Woo

  3. Department of Mechanical and Industrial Engineering, Montana State University, Bozeman, MT, 59717, USA

    Douglas S. Cairns & Daniel Samborsky

Authors
  1. Tsinuel Nurilligne Geleta
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  2. Kyeongsik Woo
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  3. Douglas S. Cairns
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  4. Daniel Samborsky
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Corresponding author

Correspondence to Kyeongsik Woo.

Additional information

Recommended by Associate Editor Heung Soo Kim

Tsinuel Nurilligne Geleta received his B.Sc. in Civil Engineering from Adama Science and Technology University, Ethiopia (2013) and M.Sc. in Computational Structural Engineering from Chungbuk National University, Korea (2017). He is currently a Ph.D. student of wind engineering at Western University, Canada. His research interest areas are progressive damage of structures, dynamic loads on structures, fluid-structure interactions, computational mechanics (FEA and CFD).

Kyeongsik Woo is Professor at Chungbuk National University, Korea. He received his B.S. and M.S. degrees in aerospace engineering from Seoul National University, Korea and his Ph.D. in aerospace engineering from Texas A&M University, USA. His current research interests include textile composites, fracture simulation using CDM and CZM methods, high velocity impact behavior of composite materials, and fluid-structure interaction problems.

Douglas S. Cairns is the Lylse A. Wood Distinguished Professor at Montana State University. He has over 39 years’ experience in the design, analysis, manufacturing, and testing of composite materials and structures. He has Ph.D. MIT Aeronautics and Astronautics, scale, M.S. M.E. and BSME University of Wyoming.

Daniel D. Samborsky received his B.S. degree in Mechanical Engineering (1992) and M.S. degree in Civil Engineering (2000) from Montana State University. Currently he is a Composite Material Research Engineer at Montana State University.

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Geleta, T.N., Woo, K., Cairns, D.S. et al. Failure behavior of inclined thick adhesive joints with manufacturing defect. J Mech Sci Technol 32, 2173–2182 (2018). https://doi.org/10.1007/s12206-018-0426-z

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  • DOI: https://doi.org/10.1007/s12206-018-0426-z

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