Enhancement of corrosion resistance of stainless steel with Zn doped silane coatings

• Autorzy: Owczarek Edyta

Identyfikatory

DOI

10.15199/40.2022.12.1

Warianty tytułu

PL

Poprawa odporności korozyjnej stali nierdzewnej powłokami silanowymi domieszkowanymi Zn

• Języki publikacji: EN

Abstrakty

EN

Blank silane films are not able to provide long-term corrosion protection. As is known, dopants with corrosion inhibiting properties can be added to the silane sol-gel network in order to increase their corrosion resistance. The present work investigates the protective properties of air-aged films obtained from a solution of isobutyltriethoxysilane (IBTES) doped with 0.01 mol/l and 0.1 mol/l zinc nitrate Zn(NO3)2 ∙ 6H2O prepared on an X20Cr13 stainless steel substrate. The surface morphologies, adhesion to the substrate and the corrosion resistance of the obtained films in an 0.5 M Cl− solution were examined. The experimental results showed that IBTES films doped with 0.01 mol/l zinc nitrate deposited on the surface of stainless steel had better protective properties, while those doped with 0.1 mol/l of the inhibitor had worse protective properties against local corrosion compared to blank IBTES film.

PL

Powłoki silanowe nie są w stanie zapewnić długotrwałej ochrony przed korozją. Jak wiadomo, do sieci zol-żel silanu można dodawać domieszki o właściwościach hamujących korozję w celu zwiększenia ich odporności na korozję. W pracy zbadano właściwości ochronne starzonych w powietrzu powłok otrzymanych z roztworu izobutylo- trietoksysilanu (IBTES) domieszkowanych 0,01 mol/l i 0,1 mol/l azotanu cynku Zn(NO3)2 ∙ 6H2O wytworzonych na podłożu ze stali nie- rdzewnej X20Cr13. Zbadano morfologię powierzchni, przyczepność do podłoża oraz odporność korozyjną otrzymanych filmów w 0,5M roztworze Cl−. Badania eksperymentalne wykazały, że powłoki IBTES domieszkowane 0,01 mol/l azotanu cynku osadzone na powierzchni stali nierdzewnej miały lepsze właściwości ochronne przed korozją lokalną w porównaniu z powłoką IBTES, natomiast domieszkowane 0,1mol/l inhibitora – gorsze.

Słowa kluczowe

EN

silane; coating; doped; protective properties; stainless steel

PL

silan; powłoka; domieszka; właściwości ochronne; stal nierdzewna

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Ochrona przed Korozją
• Rocznik: 2022
• Tom: nr 12
• Strony: 373--377
• Opis fizyczny: Bibliogr. 32 poz., fot., wykr.

Twórcy

autor

Owczarek Edyta

• Institute of Materials Engineering, Faculty of Production Engineering and Materials Technology, Czestochowa University of Technology, 19 Armii Krajowej Ave., Czestochowa, 42-200, Poland

• https://orcid.org/0000-0003-1990-3245

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).