- Tytuł:
- The Effect of Rapid Cooling on the Corrosion Resistance of As-Cast Aluminium Alloy 5052
- Autorzy:
-
Szklarz, Z.
Krawiec, H.
Rogal, Ł. - Powiązania:
- https://bibliotekanauki.pl/articles/106959.pdf
- Data publikacji:
- 2017
- Wydawca:
- Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
- Tematy:
-
aluminium alloys
cooling rate
EIS
passive films
pitting corrosion - Opis:
- The effect of rapid cooling by the vacuum suction casting method (VSC) on the microstructure and electrochemical response of the as-cast 5052 aluminium alloy is presented. The VSC method allowed us to obtain massive samples with a very high cooling rate (102 – 103)oC/s. The microstructure of the quick-cooled sample (QC) has been significantly changed. Finer grains and more-homogeneous intermetallic phase distribution has been observed. Corrosion potential (OCP) and polarization measurements (LSV) revealed a higher activity of the QC alloy than ingot (IN), which leads to a denser and thicker corrosion-product formation on the surface. Electrochemical Impedance Spectroscopy (EIS) indicates higher resistance values, which suggests a greater thickness of the corrosion products.
- Źródło:
-
Journal of Casting & Materials Engineering; 2017, 1, 2; 48-52
2543-9901 - Pojawia się w:
- Journal of Casting & Materials Engineering
- Dostawca treści:
- Biblioteka Nauki
Artykuł