Novel protective coatings based on silane

School of Metallurgy and Materials Engineering, College of Engineering, University of Tehran, Tehran The paper intends to introduce innovations in the field of silane based coatings. Although the coatings are generally thin, they are able to provide a desirable corrosion protection. Hence, they could be taken into account as proper alternative for toxic chromate conversion coatings. In addition to protective action, silane layer can facilitate an excellent adhesion for the covering coating through covalent bonds. In spite of barrier properties, the coatings would fail to reveal active protection in case of introducing cracks or failures. Main aim of the paper is to introduce some novel approaches to improve protective performance of silane based coatings.