Metal and Thin Film Mechanics

Thin films and coatings deposited on metal surfaces at nanometer-to-micrometer thicknesses behave mechanically in ways that differ markedly from their bulk counterparts, and understanding those differences requires techniques like nanoindentation, which probes hardness and elastic modulus at scales too small for conventional testing. Fabrication methods such as sputtering allow researchers to tune film composition—including nanocomposite architectures that blend hard phases with tougher matrices—to target specific performance goals like wear resistance or thermal stability. Because a coating's mechanical response depends on its thickness, microstructure, residual stress, and adhesion to the substrate simultaneously, predicting real-world durability from laboratory measurements remains an open challenge. Active work focuses on bridging that gap through higher-fidelity characterization tools, multiscale modeling, and the design of films that maintain their properties under extreme contact, temperature, or corrosive conditions.

Works

142,180

Total citations

1,879,599

Keywords

NanoindentationThin FilmsCoatingsMechanical PropertiesSputteringHardness