Abstract
In this study, the central cracked aluminum plates repaired with two sided composite patches are investigated numerically for their response to static tensile and transient dynamic loadings. Contour integral method is used to define and evaluate the stress intensity factors at the crack tips. The reinforcement for the composite patches is carbon fibers. The effect of adhesive thickness and patch thickness and configuration in tensile loading case and pre-tension, pre-compression and crack length effect on the evolution of the mode I stress intensity factor (SIF) (KI) of the repaired structure under transient dynamic loading case are examined. The results indicated that KI of the central cracked plate is reduced by 1/10 to 1/2 as a result of the bonded composite patch repair in tensile loading case. The crack length and the pre-loads are more effective in repaired structure in transient dynamic loading case in which, the 100 N pre-compression reduces the maximum KI for about 40 %, and the 100 N pre-tension reduces the maximum KI after loading period, by about 196 %.
Similar content being viewed by others
References
Baker, A.: Advances in the bonded composite repair of metallic aircraft structure. 2 (1991)
Shinde, P.S., Tripathi, V.K., Prashant Kumar, Sarkar, P.K., Singh, K.K.: Review paper on analysis of composite patches as a crack arrestor. J. Eng. Appl. Sci. 6, 222–226 (2011)
Megueni, A., Bashir Bouiadjra, B., Belhouari, M.: Disbond effect on the stress intensity factor for repairing cracks with bonded composite patch. Comput. Mater. Sci. 29, 407–413 (2004)
Baker, A.: Bonded composite repair of fatigue-cracked primary aircraft structure. Compos. Struct. 47, 431–443 (1999)
Doung, C.A.: Composite repair: theory and design. Elsevier (2007)
Kim, H.S., Cho, M.H., Lee, J.H., Deheeger, A., Diac, M.G., Mathias, J.D.: Three dimentional stress analysis of a composite patch using stress functions. Int. J. Mech. Sci. 52, 1646–1659 (2010)
Gu, L., Kasavajhala, A.R.M., Zhao, S.: Finite element analysis of cracks in aging aircraft structures with bonded composite-patch repairs. Compos. Part B 42, 505–510 (2011)
Pantelides, C.P., Nadauld, J., Cercone, L.: Repair of cracked aluminum overhead sign structures with glass fiber reinforced polymer composites. J. Compo. Constr. ASCE 7(2), 118–126 (2003)
Soutis, C., Duan, D.-M., Goutas, P.: Compressive behaviour of CFRP laminates repaired with adhesively bonded external patches. Compos. Struct. 45, 289–301 (1999)
Okafor, A.C., Singh, N., Enemuoh, U.E., Rao, S.V.: Design, analysis and performance of adhesively bonded composite patch repair of cracked aluminum aircraft panels. Compos. Struct. 71, 258–270 (2005)
Vaziri, A., Nayeb-Hashemi, H.: Dynamic response of a repaired composite beam with an adhesively bonded patch under a harmonic peeling load. Int. J. Adhes. Adhes. 26, 314–324 (2007)
Hosseini-Toudeshki, H., Ghaffari, M.A., Mohammadi, B.: Finite element fatigue propagation of induced cracks by stiffeners in repaired panels with composite patches. Compos. Struct. 94, 1771–1780 (2012)
Azari, S., Papini, M., Spelt, J.K.: Effect of adhesive thickness on fatigue and fracture of toughened epoxy joints-Part II: analysis and finite element modeling. Eng. Fract. Mech. 78, 138–152 (2011)
Nadauld, J.D., Pantelides, C.P.: Rehabilitation of cracked aluminum connections with GFRP composites for fatigue stresses. J. Compos. Constr. ASCE 11(3), 328–335 (2007)
Khalili, S.M.R., Ghadjar, R., Sadeghinia, M., Mittal, R.K.: An experimental study on the Charpy impact response of cracked aluminum plates repaired with GFRP or CFRP composite patches. Compos. Struct. 89, 270–274 (2009)
Wang, Q., Duan, W.H., Quek, S.T.: Repair of notched beam under dynamic load using piezoelectric patch. Int. J. Mech. Sci. 46, 1517–1533 (2004)
Bachir, B.B., Fekirini, H., Serier, B., Benguediab, M.: Numerical analyis of the benefical effect of the double symmetric ptch repair compared to single one in aircraft structures. Comput. Mater. Sci. 38, 824–829 (2007)
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Khalili, S.M.R., Shariyat, M. & Mokhtari, M. Static Tensile and Transient Dynamic Response of Cracked Aluminum Plate Repaired with Composite Patch – Numerical Study. Appl Compos Mater 21, 441–455 (2014). https://doi.org/10.1007/s10443-014-9390-7
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10443-014-9390-7