Characterization of Corrosion and Stress Corrosion Cracking of AE44 Magnesium Alloy

• Autorzy: Sozańska M. , Mościcki A. , Chmiela B.

Identyfikatory

DOI

10.24425/amm.2020.131750

• Języki publikacji: EN

Abstrakty

EN

The paper presents the susceptibility of AE44 magnesium alloy to electrochemical corrosion and stress corrosion cracking (SCC). The evaluation of the intensity of the interaction of the corrosive environment was carried out using the corrosion tests and the Slow Strain Rate Test (SSRT). Corrosion tests performed in 0.1 M Na₂ SO₄ solution (immersion in solution and under cathodic polarization conditions) revealed that the layer of corrosion products was much thicker after immersion test. The results of SSRT showed that the AE44 alloy deformed in the solution was characterized by higher plasticity compared to the alloy deformed in the air after immersion in solution. Moreover, the fractures were characterized by different morphology. In the case of an alloy deformed in the solution under cathodic polarization many microcracks on the fracture were observed, which were not observed in the case of the alloy deformed in the air.

Słowa kluczowe

EN

magnesium alloy; fractography; stress corrosion cracking; SCC; AE44

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2020
• Tom: Vol. 65, iss. 1
• Strony: 479--484
• Opis fizyczny: Bibliogr. 26 poz., fot., rys.

Twórcy

autor

Sozańska M.

• Silesian University of Technology, Department of Advanced Materials and Technologies, 8 Krasińskiego Str., 40-019 Katowice, Poland

autor

Mościcki A.

• BGH Polska Sp. z o.o., Żelazna 9, 40-851 Katowice, Poland

autor

Chmiela B.

• Silesian University of Technology, Department of Advanced Materials and Technologies, 8 Krasińskiego Str., 40-019 Katowice, Poland

Bibliografia

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Uwagi

EN

1. This work partially was supported by the National Science Centre in Poland under the research grant ”Effect of hydrogen on structure and stress corrosion cracking of selected magnesium alloys from Mg-Y-RE-Zr and Mg-Al-RE systems” No. 2011/03/B/ST8/06387 and by Silesian University of Technology in grant BK-205/RM0/2019 (11/990/BK_19/0063).

PL

2. Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).