Researchers engineered PVDF-based magnetoelectric laminates with Vitrovac or Terfenol-D to study how interface quality, layer geometry, and strain transfer affect voltage-driven magnetic actuation. Optimized PVDF/Vitrovac laminates generated magnetic fields up to about 142 Oe at resonance and used nearly 75% less power than a conventional coil when producing the same field strength.
A new technique to partially embed different types of nanoparticles into the surface of polymer materials such as plastics has been developed by University of Leicester scientists.
Xianglan Bai illustrates her development of biobased carbon fiber with two beakers in researchers' hands.
Advanced plastic materials are increasingly recognized as one of the key enabling technologies for addressing the challenges of competitiveness, sustainability and industrial autonomy across strategic sectors.
As wireless devices and high-frequency electronics become more widespread, materials that prevent electromagnetic interference are increasingly important. Many conductive shields work primarily by reflecting incoming waves, which can create unwanted secondary radiation. Polymer composites offer a lightweight and versatile alternative, and biochar provides a renewable source of conductive carbon.
Researchers have demonstrated a technique that uses powdered eggshells to produce high-quality magnesium alloys, which have a wide variety of automotive, aerospace and biomedical applications.
Researchers converted lignocellulosic pulp recovered from unrecyclable household waste, along with its post-hydrolysis residue, into reinforcements for biodegradable poly(L-lactide) composites. At 30 wt% loading, both waste-derived materials increased PLLA stiffness to about 6 GPa and accelerated disintegration under simulated industrial composting conditions.
A research team led by Dr. Taehoon Kim of the Composites & Convergence Materials Research Division at the Korea Institute of Materials Science (KIMS), headed by President Chul-jin Choi, has collaborated with research teams led by Dr. Seon Joon Kim and Dr. Jaewoo Kim of the Korea Institute of Science and Technology (KIST) to develop an ultrathin composite film that combines electromagnetic interference (EMI) shielding, infrared (IR) stealth, and high mechanical strength.
Researchers developed biodegradable films from mango kernel starch and eggshell powder, identifying a formulation that combined tensile strength, flexibility, low moisture content, and improved thermal stability. The selected film lost 36.43% of its mass during a 28-day controlled soil-burial test, although the authors caution that degradation rates may differ under other environmental conditions.
Researchers developed lightweight polyester camouflage fabrics coated with screen-printed polymer composites containing carbon black-based pigments and tested their radar attenuation, thermal transmission, and mechanical durability. The study found that electromagnetic performance depended on pigment formulation, binder chemistry, coating uptake, and textile structure, with the strongest attenuation recorded in the tested 8-12 GHz X-band.
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