Comparison of integrated functions in a multifunctional sandwich composite rail car body

Key Points

• This research aims to evaluate the advantages of sandwich composite panels in rail car bodies for weight reduction and energy efficiency.
• Utilized the Granta Edupack material database to assess core and skin materials.
• Evaluated mechanical, thermal, and acoustic properties of composite materials.
• Conducted sensitivity analyses to identify key factors influencing material selection.
• Sandwich composites significantly reduce weight compared to traditional steel and aluminum structures.
• Thermal conductivity and elastic modulus are critical factors in material selection for these composites.
• The use of sandwich panels enhances overall energy efficiency and fire safety in rail car designs.