Lightweight metallic cellular materials (MCMs) have been seen in numerous engineering
applications to date, primarily due to their excellent mechanical characteristics such as low …

Over the past few decades, there has been a constant pursuit for lightweight and high-
performance energy absorption structures and materials in automobiles, trains, ships …

Head acceleration measurement sensors are now widely deployed in the field to monitor
head kinematic exposure in contact sports. The wealth of impact kinematics data provides …

Cycling becomes more and more popular for recreation, exercising and commuting in many
countries. Despite the popularity of cycling, it often comes with high level of risk …

Introduction: Cycling is a popular choice for urban transportation. Helmets are important and
the most popular means of head protection for cyclists. However, a debate about the …

Background A novel bicycle helmet concept has been developed to mitigate rotational head
acceleration, which is a predominant mechanism of traumatic brain injury (TBI). This …

Cellular materials have been used in many applications such as insulation, packaging, and
protective gear. Expanded polystyrene has been widely used as energy-absorbing liner in …

Recent progress in additive manufacturing (AM) allows for printing customized products with
multiple materials and complex geometries that could form the basis of multimaterial designs …

Sports concussions are a public health concern. Improving helmet performance to reduce
concussion risk is a key part of the research and development community response. Direct …

Background Comparative studies of different helmet designs are essential to determine
differences in helmet performance. The present study comparatively evaluated the impact …