Using natural cellular materials to improve blast-wave protection

This review paper covers the subject of vehicle design for protection against the blast of improvised explosive devices. It summarizes the most recent techniques in the design of vehicle structures for blast protection. This review pinpoints the challenges in designing a vehicle for blast protection and maintaining acceptable mobility at the same time. In addition, this paper reveals and summarizes key design principles based on the critical assessment of the published literature. This review covers the state of the art design methods for each individual part of vehicle structure. It also identifies the role of human protective gear and its effectiveness in mitigating blast related injuries. This review suggests future trends in developing innovative protective structures that are inspired by nature or manufactured. The aim of this review is to guide and advance the research of vehicle design for blast protection.

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Investigating the Impact Behavior of Carbon Fiber/Polymethacrylimide (PMI) Foam Sandwich Composites for Personal Protective Equipment

Zhang,

Tian,

et al. 2024

Materials

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To improve the shock resistance of personal protective equipment and reduce casualties due to shock wave accidents, this study prepared four types of carbon fiber/polymethacrylimide (PMI) foam sandwich panels with different face/back layer thicknesses and core layer densities and subjected them to quasi-static compression, low-speed impact, high-speed impact, and non-destructive tests. The mechanical properties and energy absorption capacities of the impact-resistant panels, featuring ceramic/ultra-high molecular-weight polyethylene (UHMWPE) and carbon fiber/PMI foam structures, were evaluated and compared, and the feasibility of using the latter as a raw material for personal impact-resistant equipment was also evaluated. For the PMI sandwich panel with a constant total thickness, increasing the core layer density and face/back layer thickness enhanced the energy absorption capacity, and increased the peak stress of the face layer. Under a constant strain, the energy absorption value of all specimens increased with increasing impact speed. When a 10 kg hammer impacted the specimen surface at a speed of 1.5 m/s, the foam sandwich panels retained better integrity than the ceramic/UHMWPE panel. The results showed that the carbon fiber/PMI foam sandwich panels were suitable for applications that require the flexible movement of the wearer under shock waves, and provide an experimental basis for designing impact-resistant equipment with low weight, high strength, and high energy absorption capacities.

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Using natural cellular materials to improve blast-wave protection

Cited by 3 publications

References 10 publications

Blast Mitigation Properties of Cork Composites

Blast Mitigation Properties of Cork Composites

Review of Design Techniques of Armored Vehicles for Protection Against Blast From Improvised Explosive Devices

Investigating the Impact Behavior of Carbon Fiber/Polymethacrylimide (PMI) Foam Sandwich Composites for Personal Protective Equipment

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