The influence of rare earth mercaptoacetate on the initiation of corrosion on AA2024-T3 Part I: Average statistics of each intermetallic composition
作者： R. Catubig , A.E. Hughes , I.S. Cole , F.F. Chen , C.M. MacRae
DOI: 10.1016/J.CORSCI.2015.01.056
关键词:
摘要: De-alloying of S-phase in AA2024-T3 the presence chlorides, is well-known. However, it unclear how rare earth mercaptoacetate inhibitors affect this process when immersed a 0.1. M NaCl solution. This paper analyses data obtained using EPMA on surfaces before and after 16. min immersion period. Cerium praseodymium inhibited de-alloying particles. Although no significant change composition was observed for cathodic intermetallics, each appeared to participate local corrosion reactions as evidenced by development surface oxides. Clustering between one Cu-containing intermetallic domains also evident.
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