Corrosion-resistant hybrid coatings for copper surfaces substrates by sol-gel chemistry

Yıl 2017, Cilt: 4 Sayı: 1, 65 - 76, 13.07.2017

Ömer Kesmez Esin Akarsu

https://doi.org/10.18596/jotcsa.324873

Cited By: 3

Öz

Corrosion is the degradation of a
metal, which is caused by chemical reactions between the metal and its
surroundings. It poses severe and inevitable problems to the long-term use of
particularly copper-based materials in daily life due to the requirement of
periodically replacement of it and the loss of its appearance. Therefore, it is
necessary to apply a protective layer on them to extend the life span. In this
study, inorganic-organic hybrid coatings comprising thiol functional silanes on
copper sheets were obtained by spraying onto it followed by curing at elevated
temperature. All coatings studied were optically transparent, smooth and crack-free.
As they showed excellent adhesion to the copper surface, they were resistant to
UV radiation and solutions of acidic and basic conditions. By the coating of copper
sheets with hybrid coatings studied, both their mechanical durability and
corrosion resistance in the salt spray test were considerably improved.

Anahtar Kelimeler

sol-gel, hybrid coating, transparent thin film, corrosion-resistant materials

Kaynakça

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