| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Advances in Surface Engineering VII
|
| Presentation Title |
A corrosion resistant and mechanically robust
superhydrophobic coating with self-healing characteristics for
biodegradable low alloyed Mg-Ag-Zn-Ca
|
| Author(s) |
Amarjeet Singh |
| On-Site Speaker (Planned) |
Amarjeet Singh |
| Abstract Scope |
In this work, a double layer superhydrophobic coating having self-healing characteristics was designed and constructed on biodegradable low alloyed Mg-Ag-Zn-Ca alloy using facile methods including dip coating and spray coating and utilizing low-cost raw materials like Hydroxyapatite (HA), PCL, Phytic acid, and Stearic acid. The coating exhibits large-scale scratch healing (~200µm) which has not been achieved so far within this domain of application. The coating has a contact angle of 157.6° and the sliding angle less than 10° indicating its high superhydrophobicity. The polarization resistance and transfer resistance (Rct), the coating exhibits superior corrosion resistance, which is nearly four orders greater than that of the magnesium alloy substrate. The coating exhibits outstanding mechanical stability enduring 56 cycles of tape-peel test cycles. The coating maintained a H2 evolution rate (0.02ml/cm2/day) during in-vitro immersion. The self-healing superhydrophobic coating exhibits remarkable cytocompatibility with L929 cell and antibacterial response against S. aureus. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Biomaterials, Magnesium, Polymers |