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Fabrication of graphene oxide reinforced plasma sprayed Al2O3 coatings
Graphene oxide (GO) reinforced Al2O3ceramic coatingswere prepared on the surface of medium carbon steel byplasma spraying. The microstructure of the raw materials and coatings were characterized and analyzed by XPS,XRD, Raman and SEM. The bonding strengthof the coatings was studied using a scratch method. The wear resistance of the coatings was assessed by the sliding test. The results showed that, after adding GO, the porosity of the coating reduced by about 31%, the hardness increased by approximately 10%, the bonding strength improved by 250%, and the wear rate reduced by 81% (Load: 30 N) and 84% (Load: 60 N), respectively. |
碳丰科技 2025-03-12 | 阅读?13
