Investigation of electrospun polyvinyl butyral interlayer effects on Mode I and II delamination of glass fabric-phenolic composites

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Ipakchi Hossein; Oleiaei Mitra; ESFANDEH MASOUD; YOUSEFI MOHAMMAD; Rezadoust Amir Masoud

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Journal: Modares Mechanical Engineering Year:2018 | Volume:18 | Issue:6 Page(s): 156-164

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Title

Investigation of electrospun polyvinyl butyral interlayer effects on Mode I and II delamination of glass fabric-phenolic composites

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Keywords

DelaminationQ1

Glass-phenolic compositesQ1

Polyvinyl butyralQ1

Carbon nanotubeQ2

Pyrolytic carbonQ1

Abstract

Glass-reinforced phenolic laminates show a low resistance to Delamination. Toughening of the matrix resin with a polymeric interlayer is among the method used to improve the Delamination strength. In this research Polyvinyl butyral(PVB) nanoweb with the fiber diameter of 300-600 nanometer were used as an interlayer in a 14-layer glass reinforced phenolic composite. A hybrid nanoweb consists of PVB nanoweb reinforced with Pyrolytic carbon and Carbon nanotube (CNT) were also prepared and used as the interlayer. Mode I and Mode II Delamination tests were conducted on the samples according to the related ASTM standard test method. The results showed that PVB interlayer improves the Delamination strength of the composites by 13. 6% and 13. 8%. for mode I and Mode II, respectively. Also, with the hybrid nanoweb, better improvement in the fracture toughness was achieved. In the hybrid nanowebs, CNTs at the optimum amount has a greater effect on the Mode I fracture (49% improvement in GIc), while the Pyrolytic carbon mainly affected the Mode II fracture toughness by 38% improvement in GIIc. Morphological studies carried out by SEM microscopy showed that crack deviation is the dominant mechanism for toughening of the polymeric matrix which results in the delay in fracture initiation and increase of the crack length and in doing so enhances the fracture toughness of the laminates.

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APA: Copy

Ipakchi, Hossein, Oleiaei, Mitra, ESFANDEH, MASOUD, YOUSEFI, MOHAMMAD, & Rezadoust, Amir Masoud. (2018). Investigation of electrospun polyvinyl butyral interlayer effects on Mode I and II delamination of glass fabric-phenolic composites. MODARES MECHANICAL ENGINEERING, 18(6 ), 156-164. SID. https://sid.ir/paper/178122/en

Vancouver: Copy

Ipakchi Hossein, Oleiaei Mitra, ESFANDEH MASOUD, YOUSEFI MOHAMMAD, Rezadoust Amir Masoud. Investigation of electrospun polyvinyl butyral interlayer effects on Mode I and II delamination of glass fabric-phenolic composites. MODARES MECHANICAL ENGINEERING[Internet]. 2018;18(6 ):156-164. Available from: https://sid.ir/paper/178122/en

IEEE: Copy

Hossein Ipakchi, Mitra Oleiaei, MASOUD ESFANDEH, MOHAMMAD YOUSEFI, and Amir Masoud Rezadoust, “Investigation of electrospun polyvinyl butyral interlayer effects on Mode I and II delamination of glass fabric-phenolic composites,” MODARES MECHANICAL ENGINEERING, vol. 18, no. 6 , pp. 156–164, 2018, [Online]. Available: https://sid.ir/paper/178122/en

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