Page 4: Research news on Composite materials

Composite materials are heterogeneous physical systems engineered by combining two or more distinct constituent phases—typically a continuous matrix and a dispersed reinforcement—with an interface designed to transfer load and tailor overall properties. The constituents remain microscopically or macroscopically separate and retain their identities, while the composite exhibits effective mechanical, thermal, electrical, or chemical behavior not attainable by simple mixtures of the components. Microstructural architecture (e.g., particulate, fibrous, laminated), volume fraction, orientation, and interfacial bonding critically govern anisotropy, damage evolution, and failure modes, and are modeled using micromechanics and homogenization theories to predict structure–property relationships across multiple length scales.

'Nano stitches' enable lighter and tougher composite materials

To save on fuel and reduce aircraft emissions, engineers are looking to build lighter, stronger airplanes out of advanced composites. These engineered materials are made from high-performance fibers that are embedded in polymer ...

Zero-index metamaterials and the future

In the realm of materials science, electromagnetic (EM) metamaterials have emerged as a revolutionary class of engineered composites capable of manipulating electromagnetic waves in ways never before possible. Unlike their ...

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