A team of researchers at the Fraunhofer Institute for Mechanics of Materials IWM in Freiburg have been developing a new process for the manufacture of bicycle helmets.
The process allows micro capsules filled with an odor-causing oil to be embedded into the bike helmet’s material during production. A layer of melamine formaldehyde resin encloses the capsules so that they are completely airtight and mechanically sealed.
When the helmet takes any large knocks or starts to perish with age, the protective barrier around the microcapsules is broken, which releases the stinky odor. This innovative feature helps in identifying that the helmet is no longer suitable for full protection when worn.
Innovative Safety Mechanism
Dr. Christof Koplin, a research scientist at the IWM, explained the significance of this development. “Cyclists often replace their helmets unnecessarily after dropping them on the ground, because they cannot tell whether they are damaged or not. The capsules eliminate this problem. If cracks form, smelly substances are released.”
This new technology addresses a common issue faced by cyclists. Helmets are crucial for safety, but their integrity can be compromised without visible signs of damage. The embedded microcapsules act as an internal indicator, providing a clear signal when the helmet’s protective capabilities are compromised. This not only ensures the cyclist’s safety but also prevents unnecessary replacements, making it a cost-effective solution.
Broader Applications and Future Prospects
The potential applications of this technology extend beyond bicycle helmets. The concept of using microcapsules filled with odor-causing substances can be applied to various safety gear and equipment. For instance, construction helmets, sports gear, and even automotive components could benefit from this technology. By providing a clear indication of damage, users can make informed decisions about the safety and usability of their equipment.
Moreover, the research team at Fraunhofer IWM is exploring the possibility of using different types of indicators within the microcapsules. For example, capsules could be filled with substances that change color or emit a visible signal when the protective barrier is breached. This would provide an additional layer of safety and convenience for users.
Via Engadget Via DVICE Via Phyorg
The development of these innovative bicycle helmets by the Fraunhofer Institute for Mechanics of Materials IWM represents a significant advancement in safety technology. By embedding microcapsules filled with odor-causing oil into the helmet’s material, cyclists can easily identify when their helmet is no longer safe to use. This not only enhances safety but also reduces unnecessary replacements, making it a practical and cost-effective solution. The potential applications of this technology are vast, and future developments could see its use in a wide range of safety gear and equipment.
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