Low Velocity Impact Analysis on GFRP Laminates under Different Temperatures

Abstract:

Composite materials have a number of properties that make them attractive for use in aerospace applications. The impact behavior of fiber reinforced composite materials is much more complex than conventional metallic structures due to a number of different failure modes on the inter laminar and intra laminar level. The aim of this study is to investigate the effects of temperature and thermal residual stresses on the impact behavior and damage of glass/epoxy laminated composites. To this end, thermal stress analyses of the laminates with lay-ups [90/0/0/90] s, [90/0/45/45] s, [0/90/45/-45] s, [45/0/-45/90] s are carried out under different temperatures by using ANSYS software. Also, the impact analysis on the laminated composites was performed at the different range of impact energies under different temperatures. The specific energy values and impact parameters were obtained and compared for each type of specimens and temperatures.

• Periodical: Applied Mechanics and Materials (Volumes 110-116)
• Pages: 632-636
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.110-116.632
• Online since: October 2011
• Authors: K. Pazhanivel, G.B. Bhaskar, S. Arunachalam, V. Hariharan, A. Elayaperumal
• Keywords: Composite Laminate, Impact Damage Analysis, Impact Energy, Specific Energy

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