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Meeting Materials Science & Technology 2020
Symposium Substrate Protection for Corrosion Prevention
Presentation Title Enhancing Corrosion Resistance of Steel Substrates with Reduced Graphene Oxide Reinforced Polymer Composite Coatings
Author(s) Recep Onler, Samet Berk Akturk, Erdal Topac, Ercan Ozdemir, Ahmet Sinan Oktem, Ongun Bora Saban
On-Site Speaker (Planned) Samet Berk Akturk
Abstract Scope Due to their superior chemical and mechanical properties, graphene and graphene oxide are recently emerged filler materials in various coating systems to improve corrosion resistance and mechanical durability. In this study, corrosion resistance of a multilayer coating on a mild steel substrate is investigated via potentiodynamic polarization. To obtain the multilayer coating system, samples are first galvanized and passivized. Thin layers of two different primers are applied on the passivization layer followed by a polyamide 12 topcoat. The effects of graphene oxide filler on both primers and topcoat are experimentally investigated with 0.5 to 1 %wt. filler rates. Experimental corrosion rates for coated specimens are examined in aqueous NaCl solution by the Tafel method. It is shown that the corrosion rates are reduced at least 10 times even with the 0.5 % wt addition of RGO as a filler material in the multilayer coating system.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Advanced Composite Coating for Carbon Steel Corrosion Prevention
Characterizations of Corrosion Tested CFRC-AZ31B Joint by Friction Self-pierce Riveting Process
Corrosion Resistant Coatings on 6061 Aluminum
Effect of Surface Coating and PTFE Tape Insulation on Galvanic Corrosion of AZ31B Bolt-joined with CFRP
Enhancing Corrosion Resistance of Steel Substrates with Reduced Graphene Oxide Reinforced Polymer Composite Coatings
The Effect of Mg added Al-Si Coating on the Corrosion of Hot-stamped Boron Steels

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