| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1470060 | Corrosion Science | 2012 | 10 Pages |
A 7-layer (Al2O3–Y2O3)/Pt micro-laminated coating was successfully prepared on 316L stainless steel alloy by magnetron sputtering. High-temperature cyclic oxidation and hot corrosion tests were adopted to investigate the high-temperature corrosion resistance of the coating. It is revealed that the (Al2O3–Y2O3)/Pt micro-laminated coating which effectively suppressed the inward diffusion of oxygen and corrosive fused salt to an extremely low level can significantly improve the high-temperature corrosion resistance of alloy substrate. The great mechanical properties of such coating were attributed to the brittle/ductile laminated composite structure by means of multilayer toughening and release mechanisms.
► A novel 7-layer (Al2O3–Y2O3)/Pt micro-laminated composite coating was prepared. ► The laminated coating exhibits excellent oxidation and spallation resistance. ► The micro-laminated coating provides excellent hot corrosion resistance at 900 °C. ► The brittle/ductile laminated structure enhances the coating’s fracture toughness. ► The high-temperature corrosion rate of 316L stainless steel is extremely low.
