Corrosion behavior of bulk (Zr 58 Nb 3 Cu 16 Ni 13 Al 10 ) 100-x Y x (x = 0, 0.5, 2.5 at.%) metallic glasses in sulfuric acid

Liusi Yu, Junlei Tang, Hu Wang, Yingying Wang, Jichao Qiao, Mihai Apreutesei, Bernard Normand

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50 引用 (Scopus)

摘要

Bulk (Zr 58 Nb 3 Cu 16 Ni 13 Al 10 ) 100-x Y x (x = 0, 0.5, 2.5 at.%) metallic glasses exhibited good passivation ability and outstanding corrosion resistance in de-aerated 0.5 mol/L H 2 SO 4 solution. It was mainly beneficial from the stable passive film which mainly consisted of ZrO 2 and Al 2 O 3 . However, the defects concentration in the passive films increased with the increasing yttrium content in the Zr-based BMGs. The yttrium additions improved the electrochemical homogeneities of the Zr-based BMGs, but facilitated the dissolution of Cu, resulting in a slight deterioration of corrosion resistance of the Zr-based BMGs.

源语言英语
页(从-至)42-53
页数12
期刊Corrosion Science
150
DOI
出版状态已出版 - 15 4月 2019

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