Research Progress on Helmet Liner Materials and Structural Applications.

Area of Science:

• Materials Science
• Biomimetics
• Mechanical Engineering

Background:

• Helmet liners are crucial for head protection, with ongoing research into advanced materials and structures.
• Traditional materials like polystyrene are being supplemented by novel anisotropic materials and polymer nanocomposites.
• Current structural designs focus on multi-layering, irregular bubbles, and advanced manufacturing like additive manufacturing.

Purpose of the Study:

• To review current helmet liner materials and structural design concepts.
• To explore the application of biomimetic structures in helmet liner design.
• To propose novel bionic structural designs for enhanced, reusable helmets.

Main Methods:

• Literature review of helmet liner materials and structural designs.
• Analysis of biomimetic principles applied to helmet liner engineering.
• Conceptualization of fused plant-animal bionic structures combined with additive manufacturing.

Main Results:

• Identification of traditional and emerging materials for helmet liners.
• Evaluation of structural design strategies for improved energy absorption.
• Proposal of novel bionic structures inspired by plant stalks and animal skeletons.

Conclusions:

• Biomimetic design, particularly fusing plant and animal structures, offers a promising avenue for helmet liner innovation.
• Additive manufacturing enables the creation of complex, high-performance bionic helmet structures.
• This research provides a new direction for developing reusable helmets with significantly reduced energy loss.