The Role of Zirconium on the Microstructure and Electrochemical Corrosion in TZM Alloys
Küçük Resim Yok
Tarih
2022
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Maik Nauka/Interperiodica/Springer
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
In this paper, Mo-based titanium-zirconium (TZM) alloys containing 0.06, 0.07, 0.08 and 0.09% Zr were produced by mechanical alloying method and the effect of Zr on the microstructure and corrosion behavior of the TZM alloy was studied. Microstructural properties of TZM alloys were characterized by SEM + EDS, XRD analysis and micro hardness tests. In corrosion tests, Tafel extrapolation and Electrochemical Impedance Spectroscopy (EIS) methods were used in solutions with different pH values (pH 4, pH 7 and pH 10). As a result of the studies, it is seen that depending on the amount of Zr added to the TZM alloy, different secondary phases are formed in the microstructure of Mo matrix and the grain boundaries. According to Tafel curves in pH 4, 7 and 10 solutions of TZM alloys with different Zr composition and electrochemical impedance spectroscopy (EIS) results. The highest corrosion resistance (in mm/year) was obtained in 0.09% Zr TZM alloy, the lowest corrosion resistance was obtained in 0.06% Zr TZM alloy. Moreover, the highest corrosion resistance was obtained at pH 7 and the lowest corrosion resistance at pH 10.
Açıklama
Anahtar Kelimeler
Ti-Zr-Mo alloys, Zr effect, microstructure, corrosion behaviors
Kaynak
Protection of Metals and Physical Chemistry of Surfaces
WoS Q Değeri
Q3
Scopus Q Değeri
Q2
Cilt
58
Sayı
2
