2007
DOI: 10.1016/j.porgcoat.2007.07.006
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Influence of silica nanoparticles added to an organosilane film on carbon steel electrochemical and tribological behaviour

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Cited by 46 publications
(60 citation statements)
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“…Pre‐treatment based on silane formulation is an emerging field as a promising technology for surface modification and corrosion protection in the steel industry . The important features of the silane pre‐treatment is the formation of a very dense self‐assembled silicon and oxygen rich network that forms a physical barrier to the penetration of electrolyte towards the metallic substrate . One major drawback with the application of silane films is their non‐passivating character towards corrosion.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…Pre‐treatment based on silane formulation is an emerging field as a promising technology for surface modification and corrosion protection in the steel industry . The important features of the silane pre‐treatment is the formation of a very dense self‐assembled silicon and oxygen rich network that forms a physical barrier to the penetration of electrolyte towards the metallic substrate . One major drawback with the application of silane films is their non‐passivating character towards corrosion.…”
Section: Introductionmentioning
confidence: 99%
“…The barrier properties of silane pre‐treatments containing SiO 2 nanoparticles on galvanized steel and mild steel substrates as well as aluminum alloys was investigated. Results show that the addition of silica particles improves corrosion protection due to the formation of a thicker silane film and/or enhances barrier properties provided by the inner layers of the silane film.…”
Section: Introductionmentioning
confidence: 99%
“…1,2 The chemistry of silanes [3][4][5] and the mechanism of interaction of these molecules with different metallic substrates such as mild steel, 6,7 aluminum and aluminum alloys, [8][9][10][11][12] galvanized steel 13,14 and stainless steels [15][16][17][18] have been widely studied. [21][22][23][24][25][26] As one of the most efficient approaches, some studies have concentrated exclusively on the curing. The barrier properties of silane coatings are due to the hydrophobic nature of the lm, the development of a dense -Si-O-Sinetwork between silanol groups and the formation of strong covalent metal-siloxane bonds (metal-O-Si).…”
Section: Introductionmentioning
confidence: 99%
“…Na Com a finalidade de encontrar condições ótimas para a utilização do processo de silanização em processos industriais de pintura, vêm sendo desenvolvido vários trabalhos relacionados ao assunto, procurando sempre a otimização de certas variáveis do processo. Dentre estas variáveis temos: concentração de silano em solução e seu tempo de hidrólise [16,33], pH de hidrólise [16], tempo e temperatura de cura do filme [34], além da presença de modificantes [35][36][37][38]. O processo de inserção e retirada do substrato na solução deve ser realizado com velocidade controlada e constante e sem nenhum tipo de vibração ou interferência externa, de modo a garantir a deposição de um filme homogêneo [46,47].…”
Section: Lista De Tabelasunclassified
“…Observa-se então que o processo de desidratação do filme tem uma grande influência na formação das ligações siloxanos [43]. Trabalhos recentes do LEC-DEQ EPUSP [16,[33][34][35][36][37][38] utilizam como solvente uma solução cuja composição é de 50% de água e 50% de etanol ( m / m ), tornando dessa forma o processo menos arriscado, se aplicado na indústria.…”
Section: (10)unclassified