Powłoki cynkowe otrzymywane metodą bezkontaktowo-gazową na elementach gwintowanych

• Autorzy: Sipa Jacek , Moneta Marcin

Identyfikatory

DOI

10.15199/40.2022.5.2

Warianty tytułu

EN

Zinc coatings applied on threaded bolts by non-contact gas method

• Języki publikacji: PL

Abstrakty

PL

W artykule przedstawiono wyniki badań nad wykorzystaniem metody bezkontaktowo-gazowej do wytwarzania powłok cynkowych na śrubach klasy 10.9. Powłoki wytwarzano w temperaturze 500°C i czasie wygrzewania 4 h w mieszaninie proszkowej zawierającej proszek cyn- ku (69%), wypełniacz Al2O3 (30%) oraz aktywator NH4Cl (1%). Ujawniono mikrostrukturę powłok (SEM) oraz określono skład chemiczny w mikroobszarach z wykorzystaniem mikroanalizy rentgenowskiej (EDS). Powłoki wytworzone metodą bezkontaktowo-gazową mają budowę warstwową. Przy podłożu powstaje zwarta warstwa fazy Γ1 (Fe11Zn40), którą pokrywa warstwa fazy δ1 (FeZn10) oraz na zewnątrz warstwa fazy ζ (FeZn13). Badania korozyjne w obojętnej mgle solnej potwierdziły bardzo dobrą odporność korozyjną powłok.

EN

The article presents the results of research study on the use of the non-contact gas method to apply zinc coatings on high-strength grade 10.9 bolts. The coatings were created at 500°C and heat soaking time of 4 hours in a powder mixture containing 69% of zinc powder, 30% of Al2O3 as a filler and 1% of NH4Cl as an activator. Coating microstructure (SEM) was exposed and chemical composition in microsites using X-ray microanalysis (EDS) was defined. Coatings obtained using non-contact gas method had a layered structure. At the substrate, a compact layer of phase Γ1 (Fe11Zn40) was created, which was covered with a layer of phase δ1 (FeZn10) and the outer phase ζ (FeZn13). Corrosion testing in neutral salt spray confirmed very good corrosion resistance of coatings.

Słowa kluczowe

PL

powłoki cynkowe; metoda bezkontaktowo-gazowa; odporność korozyjna

EN

zinc coating; non-contact gas method; corrosion resistance

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Ochrona przed Korozją
• Rocznik: 2022
• Tom: nr 5
• Strony: 146--151
• Opis fizyczny: Bibliogr., 37poz., fot., tab.

Twórcy

autor

Sipa Jacek

• Stockmeier Chemia Sp. z o.o. i S.S.K., Poland

• https://orcid.org/0000-0003-2500-3729

autor

Moneta Marcin

• REMIX S.A., Poland

• https://orcid.org/0000-0001-8999-9081

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).