Mechanical behavior and damage evolution in E-glass vinyl ester and carbon composites subjected to static and blast loads

The blast response of composite and fibre-metal laminate materials used in aerospace applications

“…An examination of the figure indicates that fibre damage propagates extremely quickly once the threshold for the onset of such damage is exceeded. This observation agrees with the findings of Tekalur et al [25] who found that carbon fibre-reinforced vinylester composites showed no signs of external damage prior to complete failure of the panel. the failure threshold was close to the value indicated in Figure 13.6 [19].…”

“…Figure 13.6 also suggests that glass fibre composites offer a superior blast resistance to carbon fibre systems [19]. Similarly, Tekalur et al [25] showed that glass fibrereinforced composites exhibited delamination-type damage at relatively high shock pressures, and carbon fibre systems failed in a brittle manner under similar loading conditions. Poly urea (PU) is an elastomeric polymer that is being increasingly used as a coating material, usually onto metals for applications such as hangar floors and landing gear components, to reduce exposure to chemicals.…”

Dynamic response of full-scale sandwich composite structures subject to air-blast loading

“…Tekalur et al [8,9,10] have experimentally studied the effect of blast loading using shock tubes and controlled explosion tubes loading on E-glass fibre based composites and other materials. Results suggested that the E-glass fibre composite experienced progressive damage during highrate loading of the same nature as described in Hoo Fatt and Palla [11], with progressive front face failure due to indentation followed by complete core collapse.…”

Optimising curvature of carbon fibre-reinforced polymer composite panel for improved blast resistance: Finite-element analysis

“…They found that the peak overpressure and impulse generated during the blast were the most important parameters that affected the mechanical behaviour of these plates. Tekalur et al [7] analysed the effect of different fibres reinforcing epoxy-based composite panels on their blast response. They used two different fibre materials: E-glass and carbon, and exposed the composite panels to high strain rates and quasi-static loading.…”