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Hygrothermal Aging Behavior of Fiber-Reinforced Composites

  • Shishir Kumar SahuEmail author
  • Manoj Kumar Rath
Chapter
Part of the Materials Horizons: From Nature to Nanomaterials book series (MHFNN)

Abstract

Composite materials are ideal for engineering applications such as aircraft, spacecraft, automobiles, ship structures, roofs, wall panels, fishing rods, tennis rackets, and even retrofitting of buildings and bridges due to their high strength-to-weight and stiffness-to-weight ratios. The environmental hygrothermal conditions significantly affect the strength and stiffness of composites. Hygrothermal aging occurs due to temperature and moisture. In particular, deflection and stresses are significantly affected by environmental factors. Thus, it is necessary to consider such environmental factors in the computation of stresses and manufacture of structures. Hence, the effects of hygrothermal factors on the static characteristics of composites are of practical interest and technical significance. The present study deals with the experimental investigation on the effects of different parameters including the type of constituent materials, the percentage of different material constituents, and loading speed on the static strength of composite specimens under different hygrothermal conditions. With the same fiber-to-matrix ratio, glass epoxy composites show higher interlaminar shear strength (ILSS) in all rate of loading as compared to glass polyester. The changes in ILSS in accordance with temperature show greater value for all compositions in glass fiber epoxy as that of glass fiber polyesters. It is observed that due to hygrothermal aging, the bonding behavior between glass/epoxy and glass/polyester composites is considerably affected at a higher degree of temperature when exposed for a longer duration.

Keywords

Hygrothermal environment ILSS Composites Rate of loading Fiber Matrix 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.Department of Civil EngineeringNational Institute of TechnologyRourkelaIndia

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