Study of Tensile Strength of Glass Epoxy Laminates with Varied Open Hole Diameter

被引：0
作者：
Samlal S. [1 ,2 ]
Chandru D. [2 ]
Kumaar K.S.N. [2 ]
Ganesh G. [2 ]
机构：
[1] SIMCRASH, Dept. of Aeronautical Sci., Hindustan Institute of Tech. and Sci., Tamil Nadu, Chennai
[2] Dept. of Aeronautical Sci., Hindustan Institute of Tech. and Sci., Tamil Nadu, Chennai
来源：
International Journal of Vehicle Structures and Systems | 2022年 / 14卷 / 01期
关键词：
Glass fiber reinforced plastic; Open hole strength; Scanning electron microscope; Tensile strength;
D O I：
10.4273/ijvss.14.1.24
中图分类号：
学科分类号：
摘要：
Composite materials such as fiber reinforced plastics are massively used in engineering due to their high strength to weight ratio when compared to the other conventional materials. Due to its high effectiveness, it has been applied in the aerospace and defence industry, automotive industry, civil, marine platforms and systems and sports equipment. The holes in the composites are the main cause for the structural failure due to the stress concentration observed in the components whilst loading. It is important to investigate the effect of holes on the properties of the structural components. The tensile strength of glass fiber reinforced plastic was investigated with respect to ASTM D3039 with the loading rate of 2 mm/min. The samples were made by vacuum assisted resin transfer infusion method (VARTM) and the diameter of centric holes considered are 4mm, 6mm, 8mm and 10mm. The results are analysed to understand the damage criteria that caused the structural failure. When compared with specimen without a hole and specimen with a hole of 10 mm diameter, the maximum load-carrying capacity of the specimen was reduced by 47.9%. All the specimens were subjected to the scanning electron microscope (SEM) to investigate the failure. © 2022. MechAero Foundation for Technical Research & Education Excellence.
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页码：116 / 120
页数：4
相关论文
共 13 条
  • [1] Camanho P.P., Application of Numerical Methods to the Strength Prediction of Mechanically Fastened Joints in Composite Laminates, (1999)
  • [2] Smith L.J.H., Design and analysis of bolted and riveted joints in fibrous composite structures, Recent Advances in Structural Joints and Repairs for Composite Materials, pp. 211-254, (2003)
  • [3] Camanho P.P., Matthews F.L., Stress analysis and strength prediction in FRP joints, Applied Sci. and Manufacturing, 28, pp. 529-547, (1997)
  • [4] Sanei S.H.R., Arndt A., Doles R., Open hole tensile testing of 3D printed continuous carbon fiber reinforced composites, J. Composite Materials, 54, 20, pp. 1-9, (2020)
  • [5] Mohammadi R., Najfabadi M.A., Saeedifar M., Yousefi J., Minak G., Correlation of acoustic emission with finite element predicted damages in open-hole tensile laminated composites, Composites Part B: Engg, 108, pp. 427-435, (2016)
  • [6] Green B.G., Wisnom M.R., Hallett S.R., An experimental investigation into the tensile strength scaling of notched composites, Composites Part A: Applied Sci. Manufacturing, 38, 3, pp. 867-878, (2007)
  • [7] Loutas T.H., Kostopoulos V., Jimenez C.R., Pharaoh M., Damage evolution in centre-holed glass/polyester composites under quasi-static loading using time/frequency analysis of acoustic emission monitored waveforms, Composites Science and Tech, 66, pp. 1366-1375, (2006)
  • [8] Su Z.C., Tay T.E., Ridha M., Chen B.Y., Progressive damage modelling of open-hole composite laminates under compression, Comp. Struc, 122, pp. 507-517, (2015)
  • [9] Pearson O.J.N., Hallett S.R., Withers P.J., Rouse J., Damage development in open-hole composite specimens in fatigue, Part 1: Experimental investigation, Comp. Struc, 106, pp. 882-889, (2013)
  • [10] Caminero M.A., Pedrosa M.L., Pinna C., Soutis C., Damage monitoring and analysis of composite laminates with an open hole and adhesively bonded repairs using digital image correlation, Composites: Part B: Engg, 53, pp. 76-91, (2013)
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