effect of loading rate on the mechanical behavior of glass fiber and glass fiber/polymer composites

The fiber-reinforced polymer (FRP) composites under different dynamic loads experienced various strain rates. Since mechanical behaviors of fiber-reinforced polymer composites vary with the strain rate, the transient response of most of the composite structures will be dependent on the strain rate. In the present research, a comprehensive review of the previously published studies on the topic of strain-rate dependent properties of glass fiber and its fiber-reinforced composites, as the most common FRP composite, under dynamic loading was presented. At first, studies that presented the mechanical properties of the long glass fibers at various strain rates were extensively investigated. Furthermore, experimental studies on the effects of strain rate on different types of glass fiber reinforced polymer composites were categorized and presented. Also, the strain-rate dependent behavior of the thermoset polymers was investigated. The various analytical and numerical models of macro-mechanics and micromechanics presented for this type of composites were reviewed comprehensively.