Effects of manufacturing and face/core bonding on impact damage in glass/polyester–PVC foam core sandwich panels

Charpy Impact of Sandwich Structural Composites (CFRP/PC/CFRP) of Polycarbonate (PC) Cores Covered with Carbon Fiber Cross Textile Reinforced Epoxy Polymer (CFRP) Thin Sheets as a Function of Temperature

“…On the other hand, although the lower a uc of CFRP/PC/ CFRP at 200 K is distributed from 32 to 42 kJ m ¹2 at P f < 0.40, they are approximately equal to that of simple fractured CFRP at 200 K. 4) Since the delamination is the simple dominant factor to fracture the samples at 200 K and easily occurs (see Fig. 5), the impact force is relaxed thus, it can be explained.…”

The suggestion of the standardized finite element model through the experimental verifications of various railway vehicle structures made of sandwich composites

“…The light weight of vehicles is one of the important factors for saving energy and improving performance. Accordingly, sandwich composites are increasingly being applied to the primary members, which comprise many parts of the carbody, to improve energy efficiency [2,3]. The sandwich composite, which has a higher bending stiffness and strength than singlemember materials or laminate composites, is being applied to many sectors, including the aerospace and ground transportation industries, because it contributes to the reduction of the vehicle weight and ensures sufficient space [4,5].…”

Evaluation of tension-compression and tension-tension fatigue life of woven fabric glass/epoxy laminate composites used in railway vehicle

“…[1][2][3] They have been used in domestic railway vehicles to minimize the weight of the structure, to maximize the energy consumption efficiency, to accommodate more passengers, and to extend the life cycles of parts such as the suspension and brakes. [4][5] Polymer composites based on carbon fiber and glass fiber are commonly used in structures of railway vehicle, because those composite materials have advantages in terms of reduction of the weight of structure, improvement of the speed and an increase of energy efficiency in railway applications.…”