About this Abstract |
| Meeting |
MS&T25: Materials Science & Technology
|
| Symposium
|
Controlled Synthesis, Processing, and Applications of Structural and Functional Nanomaterials
|
| Presentation Title |
Eco-friendly Nanoceramic(YSZ)-Chitsosan Thin Films |
| Author(s) |
Evan J. Woodward, Natalie C. Westwood, Mst Sharmin Mostari, Kavan Joshi, Ricardo Castro |
| On-Site Speaker (Planned) |
Evan J. Woodward |
| Abstract Scope |
This research focuses on deriving an eco-friendly nanoceramic-chitosan thin film coating aimed at enhancing surface hardness and scratch resistance for a number of applications like automotive surfaces and musical instruments. The coating includes 1.5 mol% yttria-stabilized zirconia (1.5YSZ) synthesized via coprecipitation, refined by milling, sonication, and addition to a chitosan solution to form a transparent film. Three different coating methods were examined – spin coating, airbrushing, and dip coating, with dip coating leading to the most homogeneous layers thus far. Vickers micro-hardness tests on dipped surfaces showed up to a 20 HV increase in hardness compared to standards. Additionally, scratch tests showed up to a two-fold reduction in penetration depth with three YSZ-chitosan layers. SEM analysis has shown these layers to be ~100um thick, while preserving the substrate’s native color and gloss. Future work aims at continuing scratch testing while also scaling the coating process for large-area industrial applications. |