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Steel and Composite Structures Volume 12, Number 2, February 2012 , pages 117-127 DOI: https://doi.org/10.12989/scs.2012.12.2.117 |
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Effect of volume fraction on stability analysis of glass fibre reinforced composite plate |
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K.M.Mini, Mahadevan Lakshmanan, Lubin Mathew and Girish Kaimal
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| Abstract | ||
| This paper deals with an experimental investigation to study the effect of fibre content on the stability of composite plates with various aspect ratios. Epoxy based glass fibre reinforced composite plates with aspect ratio varying from 0.4 to 1 and with volume fractions of 0.36, 0.4, 0.46, 0.49 and 0.55 are used for the investigation. From the study it is observed that for plate with aspect ratio of 0.5 and 0.4 there is no buckling and the plate got crushed at the middle. As the volume fraction increases the buckling load also increases to a limit and then began to reduce with further increase in fibre content. The optimum range of fibre content for maximum stability is found between 0.49 and 0.55. Polynomial expressions are developed for the study of buckling behaviour of composite plates with different volume fractions in terms of load and aspect ratio. | ||
| Key Words | ||
| buckling; composite plate; volume fraction; aspect ratio; polynomial equation. | ||
| Address | ||
| K.M.Mini : Faculty of Engineering (Civil), Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Ettimadai,Coimbatore, Tamil Nadu, India Mahadevan Lakshmanan : Faculty of Engineering (Mechanical), Amrita School of Engineering, Amrita Vishwa Vidyapeetham,Ettimadai, Coimbatore, Tamil Nadu, India Lubin Mathew : Department of Mechanical Engineering, Amrita School of Engineering, Amrita Vishwa Vidyapeetham,Ettimadai, Coimbatore, Tamil Nadu, India Girish Kaimal : Department of Mechanical Engineering, Amrita School of Engineering, Amrita Vishwa Vidyapeetham,Amrita Nagar, Coimbatore, Tamil Nadu, India | ||