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Electromagnetic wave absorption materials, often referred to as EM wave absorbers, are materials designed to absorb a specific type of electromagnetic wave in a certain frequency range and are generally used to reduce or eliminate unwanted electromagnetic interference. These materials can be used in a variety of applications, from consumer electronics to military defense systems.
Some common types of EM wave absorbers include ferrite absorbers, metal foam absorbers, RF absorbers, metamaterials absorbers, and dielectric materials absorbers.
Ferrite absorbers are made from ferrite material which is a special type of ceramic material that consists of iron oxide mixed with other elements for specific electromagnetic properties. These absorbers are mainly used in the HF and UHF bands for absorption of radio wave signals.
Metal foam absorbers are made from open-cell metal foams in which air pockets provide low-impedance pathways for surface waves, allowing them to be absorbed. RF absorbers are a type of absorber that employs various passive components such as capacitors, inductors, and resistors to absorb radio frequency signals.
Metamaterials absorbers are made from artificial composite materials that are engineered to manipulate electromagnetic fields. These materials are characterized by their unique multi-layered units and are especially effective in the microwave frequency range.
Dielectric materials absorbers are made from dielectric substrates such as teflon impregnated with a variety of conductive materials. These materials are highly effective at absorbing signals from a wide range of frequencies.
The Global electromagnetic wave absorption materials market accounted for $XX Billion in 2023 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2024 to 2030.
Hexcel enhances 3D parts’ electromagnetic performance. With great pleasure, Hexcel announces the release of Hex PEKK®EM, its newest Hex AM® materials technology. This high-performance, PEKK-based thermoplastic carbon fiber composite additive manufacturing material is electrically conductive and offers performance that leads the industry.
Advanced electromagnetic (EM) performance is integrated into intricate 3D-printed parts for the commercial aerospace, defense, and military industries by Hex PEKK®EM. After printing, Hex PEKK®EM composite parts are ready for flight. The new PEKK carbon fiber-blended material, which was created especially to satisfy the demands of advanced aircraft applications in terms of radiation absorption, electromagnetic shielding, and static electricity management, offers distinctive electrical performance that enhances Hexcel’s existing line of neat resin HexPEKK®100 material offerings that are carbon fiber-based and unfilled.
Hex PEKK®EM components, which are made with the aerospace industry-approved Hex AM® process, have the best environmental, operating temperature, and chemical resistance performance available.
