Barrier Corrosion Protection Properties of Metakaolin Clay-Kadilux Epoxy Coatings on Galvanized Steel | Zendy

Fantaye Tasew | Zendy; T. Ganesh | Zendy

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Barrier Corrosion Protection Properties of Metakaolin Clay-Kadilux Epoxy Coatings on Galvanized Steel

Author(s) -

Fantaye Tasew,

T. Ganesh

Publication year - 2021

Publication title -

international journal of corrosion

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.312

H-Index - 18

eISSN - 1687-9333

pISSN - 1687-9325

DOI - 10.1155/2021/1049021

Subject(s) - metakaolin , materials science , epoxy , corrosion , galvanization , absorption of water , composite material , filler (materials) , thermal stability , coating , layer (electronics) , chemical engineering , cement , engineering

Epoxy polymer, an illustrious barrier corrosion protective coating, was reinforced with metakaolin clay, an eco-friendly inorganic filler to enhance the barrier corrosion protection properties in water and in acidic environment on galvanized steel plates. Various proportions 0, 1, 3, 5, and 7 wt.% of metakaolin fillers were mixed intrinsically with kadilux epoxy and characterized for thermal stability, water absorption according to ASTM G31, and acid immersion according to ASTM D-570 standards, respectively. The reinforced coatings minimized the pore size and density, lower water absorption, and better acid resistance properties especially at 7 wt.% of the fillers. The thermal stability of the films improved beyond 5 wt.% of filler composition.

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