International Journal of Vehicle Structures and Systems

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Effect of Intra-Ply Hybridization of Carbon-Aramid/Epoxy Laminates under Tension-Tension Fatigue Loading


Affiliations
1 School of Aeronautical Sci., Hindustan Institute of Tech. and Sci., Chennai, India
 

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The objective of the research is to investigate the fatigue life of intra-ply hybrid Carbon-Aramid laminate with Epoxy resin in on-axis and off-axis directions. Three different off-axis angles of 15°, 30° and 45° were considered for the present work. The intra-ply hybridization is used to combine the superior mechanical properties of Carbon fibre with excellent elongation-to-failure property of Aramid fibre in the same lamina. The fatigue test was performed using load control using a frequency of 5Hz. The fatigue behaviour was studied for Carbon/Epoxy, Aramid/Epoxy, Carbon-Aramid/Epoxy, Carbon-Aramid/Epoxy - 15°, Carbon-Aramid/Epoxy - 30° and Carbon-Aramid/Epoxy - 45° with the stress ratio of R = 0.1. The ultimate tensile strength decreases progressively for Carbon/Epoxy, Carbon-Aramid/Epoxy, Aramid/Epoxy, Carbon-Aramid/Epoxy - 15°, Carbon-Aramid/Epoxy - 30° and Carbon-Aramid/Epoxy - 45°. The effect of off-axis loading indicates that the increase of fibre angle influences the decrease in tensile strength and fatigue life.

Keywords

Lamina, Carbon-Aramid Reinforced Epoxy, Interlaced, Fatigue Life, Intra-Ply.
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PDF Views: 153




  • Effect of Intra-Ply Hybridization of Carbon-Aramid/Epoxy Laminates under Tension-Tension Fatigue Loading

Abstract Views: 309  |  PDF Views: 153

Authors

B. Ruban Rajasekar
School of Aeronautical Sci., Hindustan Institute of Tech. and Sci., Chennai, India
R. Asokan
School of Aeronautical Sci., Hindustan Institute of Tech. and Sci., Chennai, India
C. Ramesh
School of Aeronautical Sci., Hindustan Institute of Tech. and Sci., Chennai, India
V. Jamin Daniel Selvakumar
School of Aeronautical Sci., Hindustan Institute of Tech. and Sci., Chennai, India
M. Dinesh
School of Aeronautical Sci., Hindustan Institute of Tech. and Sci., Chennai, India

Abstract


The objective of the research is to investigate the fatigue life of intra-ply hybrid Carbon-Aramid laminate with Epoxy resin in on-axis and off-axis directions. Three different off-axis angles of 15°, 30° and 45° were considered for the present work. The intra-ply hybridization is used to combine the superior mechanical properties of Carbon fibre with excellent elongation-to-failure property of Aramid fibre in the same lamina. The fatigue test was performed using load control using a frequency of 5Hz. The fatigue behaviour was studied for Carbon/Epoxy, Aramid/Epoxy, Carbon-Aramid/Epoxy, Carbon-Aramid/Epoxy - 15°, Carbon-Aramid/Epoxy - 30° and Carbon-Aramid/Epoxy - 45° with the stress ratio of R = 0.1. The ultimate tensile strength decreases progressively for Carbon/Epoxy, Carbon-Aramid/Epoxy, Aramid/Epoxy, Carbon-Aramid/Epoxy - 15°, Carbon-Aramid/Epoxy - 30° and Carbon-Aramid/Epoxy - 45°. The effect of off-axis loading indicates that the increase of fibre angle influences the decrease in tensile strength and fatigue life.

Keywords


Lamina, Carbon-Aramid Reinforced Epoxy, Interlaced, Fatigue Life, Intra-Ply.

References





DOI: https://doi.org/10.4273/ijvss.10.6.01