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Thermal damage of CFRP laminate in fiber laser cutting process and its impact on the mechanical behavior and strain distribution

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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Fiber laser cutting is a promising alternative to the conventional methods in machining CFRP with high efficiency, while the influence of machined quality on strain distribution and mechanical behavior of CFRP laminates is yet not fully understand. The aim of this paper is to study the effect of laser cutting parameters on thermal defects and related mechanical performance. DIC technique was successfully employed to assess full-field strain distribution under tensile loading. The relationship between strain distribution and failure evolution/mode was also investigated. Results showed that various thermal defects including matrix recession, resin decomposition, fiber burrs and delamination were observed on entry and exit surfaces, while microcracks, cavities and striations were prevalent on machined surface. Tensile strength of CFRP laminate with open hole was highly related to applied laser processing parameters. DIC technique indicated that the crack propagation and failure mode were in good agreement with the high level of strains developed around the hole. Matrix-fiber interface cracking, fiber breakage and splitting were the main failure modes at test cessation.
Rocznik
Strony
1511--1522
Opis fizyczny
Bibliogr. 25 poz., rys., wykr.
Twórcy
autor
  • StateKeyLaboratoryofAdvancedDesignandManufactureforVehicleBody,HunanUniversity,Changsha,Hunan410082,China
autor
  • StateKeyLaboratoryofAdvancedDesignandManufactureforVehicleBody,HunanUniversity,Changsha,Hunan410082,China
autor
  • StateKeyLaboratoryofAdvancedDesignandManufactureforVehicleBody,HunanUniversity,Changsha,Hunan410082,China
  • HunanProvincialKeyLaboratoryofIntelligentLaserManufacturing,HunanUniversity,Changsha,Hunan,410082,China
autor
  • StateKeyLaboratoryofAdvancedDesignandManufactureforVehicleBody,HunanUniversity,Changsha,Hunan410082,China
Bibliografia
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  • [7] D. Herzog, P. Jaeschke, O. Meier, H. Haferkamp,Investigations on the thermal effect caused by lasercutting with respect to static strength of CFRP, Int. J. Mach.Tools Manuf. 48 (2008) 1464–1473. , http://dx.doi.org/10.1016/j.ijmachtools.2008.04.007.
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  • [12] J. Mathew, G.L. Goswami, N. Ramakrishnan, N.K. Naik,Parametric studies on pulsed Nd:YAG laser cutting ofcarbon fibre reinforced plastic composites, J. Mater. Process.Technol. 89-90 (1999) 198–203. , http://dx.doi.org/10.1016/S0924-0136(99)00011-4.
  • [13] C. Leone, S. Genna, Heat affected zone extension in pulsed Nd:YAG laser cutting of CFRP, Compos. Part B Eng. 140 (2018) 174–182. , http://dx.doi.org/10.1016/j.compositesb.2017.12.028.
  • [14] M.A. Caminero, M. Lopez-Pedrosa, C. Pinna, C. Soutis,Damage monitoring and analysis of composite laminateswith an open hole and adhesively bonded repairs usingdigital image correlation, Compos. Part B Eng. 53 (2013) 76–91., http://dx.doi.org/10.1016/j.compositesb.2013.04.050.
  • [15] A. Khechai, A. Tati, B. Guerira, A. Guettala, P.M. Mohite,Strength degradation and stress analysis of composite plateswith circular, square and rectangular notches using digitalimage correlation, Compos. Struct. 185 (2018) 699–715. ,http://dx.doi.org/10.1016/j.compstruct.2017.11.060.
  • [16] M. Li, S. Li, G. Gan, Y. Zhang, Z. Liang, X. Yang, Experimentalstudy on hole quality and tensile progressive failurefollowing fiber laser cutting of multidirectional carbon fiberreinforced plastic laminates, J. Laser Appl. 31 (2019) 012004,http://dx.doi.org/10.2351/1.5046549.
  • [17] D. Kalyanasundaram, S. Gururaja, P. Prabhune, D. Singh,Open hole fatigue testing of laser machined MD-CFRPs,Compos. Part A Appl. Sci. Manuf. 111 (2018) 33–41. , http://dx.doi.org/10.1016/j.compositesa.2018.05.005.
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  • [19] D. Herzog, M. Schmidt-Lehr, M. Canisius, M. Oberlander, J.P.Tasche, C. Emmelmann, Laser cutting of carbon fiberreinforced plastic using a 30 kW fiber laser, J. Laser Appl. 27(2015) S28001, http://dx.doi.org/10.2351/1.4906304.
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  • [21] A. Riveiro, F. Quintero, F. Lusquiños, J. del Val, R. Comesaña,M. Boutinguiza, J. Pou, Laser cutting of carbon Fibercomposite materials, Procedia Manuf. 13 (2017) 388–395. ,http://dx.doi.org/10.1016/j.promfg.2017.09.026.
  • [22] J. Stock, M.F. Zaeh, M. Conrad, Remote laser cutting of CFRP:improvements in the cut surface, Phys. Procedia 39 (2012)161–170. , http://dx.doi.org/10.1016/j.phpro.2012.10.026.
  • [23] C.W. Wu, X.Q. Wu, C.G. Huang, Ablation behaviors of carbonreinforced polymer composites by laser of different operationmodes, Opt. Laser Technol. 73 (2015) 23–28. , http://dx.doi.org/10.1016/j.optlastec.2015.04.008.
  • [24] R. Negarestani, L. Li, H.K. Sezer, D. Whitehead, J. Methven,Nano-second pulsed DPSS Nd:YAG laser cutting of CFRPcomposites with mixed reactive and inert gases, Int. J. Adv.Manuf. Technol. 49 (2010) 553–566. , http://dx.doi.org/10.1007/s00170-009-2431-y.
  • [25] D. Liu, Y. Tang, W.L. Cong, A review of mechanical drilling forcomposite laminates, Compos. Struct. 94 (2012) 1265–1279. ,http://dx.doi.org/10.1016/j.compstruct.2011.11.024.
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Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020)
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-370fedb2-6095-41ac-8c59-12f35a65e1f9
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