Electromagnetic Shielding With Composite Materials


Presented: May 17, 2023 12:00 pm
Presented by: Harry R. Luzetsky

Military and commercial vehicles operate in varied electromagnetic (EM) environments, which affect their onboard electrical/electronic systems.  Lightning, electromagnetic pulse (EMP), and high-power microwave energy can cause detrimental effects.

Although circuit architecture is used to mitigate some of these effects, a sure way is to place the sensitive electronics within a “Faraday cage.” Traditional methods rely on thick metallic structures for these Faraday cages, which collectively occupy significant weight in a vehicle and directly impact performance and payload capability.  In many instances, the parasitic weight is traded for performance and can lead to the reduction and/or elimination of certain levels of EM shielding.

Composite materials provide a lighter-weight option for EM shielding.

This webinar will cover the following topics:

  • What are the potential EM threats?
  • How are electronics and electrical systems currently shielded from EM exposure?
  • What types of EM shielding in composites are possible?
  • Multifunctional materials.
  • Manufacturing and fabrication concerns.
  • Repairability and maintainability aspects.
  • Future direction.


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