HA/rGO/Pd nanocomposite thin film coating on SST 304 - Synthesize, characterization, and properties investigations
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The present study describes the synthesis of HA/rGO/Pd nanocomposite thin film coating on stainless steel 304 using electrodeposition method. In this regard, an attempt is made to investigate the corrosion and biocompatibility behavior of HA/rGO/Pd nanocomposite thin film. Biocompatibility tests were carried out on uncoated, HA-coated, HA/rGO-coated, and HA/rGO/Pd coated SST 304 substrates using the human cell line MDA-MB-231 possessing a green fluorescent protein as a reporter for living cells. The tests revealed that the biocompatibility of the SST 304 surface permitted the most improved cell spreading and proliferation with HA/rGO/Pd nanocomposite coating. Corrosion testing carried out in the synthetic medium confirmed that the corrosion resistance of HA/rGO/Pd coated SST 304 was significantly higher than the uncoated, HA-coated, and HA/rGO-coated SST 304. Furthermore, the HA/rGO/Pd coated SST 304 substrates were annealed at different temperatures including 200, 300, 400, and 600 °C and the corrosion and wear behaviors of annealed samples were investigated.
- Mechanical & Industrial Systems Engineering [448 items ]