About this Abstract |
| Meeting |
MS&T25: Materials Science & Technology
|
| Symposium
|
17th Symposium on Green and Sustainable Technologies for Materials Manufacturing and Processing
|
| Presentation Title |
Sustainable Biomimetic Corrosion Protection coatings for Steel Infrastructure |
| Author(s) |
Kalpana S. Katti, Dinesh Ramanath Katti, Ying Huang, Dawei Zhang, Hanmant Gaikwad, Pooyan Vahidi Pashaki |
| On-Site Speaker (Planned) |
Kalpana S. Katti |
| Abstract Scope |
Corrosion protection for rebars is an issue of great importance for infrastructure, which compromises the structural integrity of large structures. Epoxy coatings are extensively used as corrosion protection on steel structures but are inadequate for long-term protection and are also prone to damage during installation, resulting in corrosion of rebars. We take inspiration from the functionally graded structures if nacre the inner layer of seashells for the design of novel sustainable nanoparticle modified and functionally graded multilayer coatings. The nanoparticle modified nacre-like coatings enable improved corrosion protection while achieving simultaneously improved adhesion, mechanical integrity and durability for long term sustainable infrastructure. Our studies use a combination of extensive experimentation on adhesion, modulus, corrosion protection of the multilayered and graded coatings in combination with robust finite element modeling of the multilayer coatings and interfaces. Overall, our nacre-like coatings present a sustainable alternative to the current epoxy coatings commonly used for rebars. |