Investigation on Galvanic Corrosion Behavior of 2A12/45 Couple under Tensile Stresses

Author:

Zhou Hong Liang1,Shi Ping An1,Yin Yi Hui2,Liu Dao Xin3

Affiliation:

1. China Academy of Engineering Physics

2. China Academy of Engineering Physics (CAEP)

3. Northwestern Polytechnical University

Abstract

Galvanic corrosion behavior of 2A12/45 couple under different tensile stresses is investigated using the electrochemical test. Surface morphologies of the specimens are observed by scanning electron microscopy (SEM). The results show that the applied stress have an important effect on the galvanic corrosion of 2A12/45 couple. The couple current density and galvanic corrosion sensitivity increases with the increase of the applied stresses.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference5 articles.

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2. X.D. Liu, G. S. Frankel, B. Zoofan, S.I. Rokhlin. Effect of applied tensile stress on intergranular corrosion of AA2024-T3. Corrosion Science, 2004, 46: 405-425.

3. Nadia M, Taher, Abed S. Galvanic corrosion behaviour of implant suprastructure dental alloys. DentMater, 2003, 19: 54-59.

4. X. W. Chen, J. H. Wu. Progress in research on factors influencing galvanic corrosion behaviour. Corrosion Science And Protection Technology, 2010, 22(4): 363-366.

5. S. X. Rao, L.Q. Zhu. Effects of mechanochemistry to the pitting behaviour of LY12CZ aluminum alloy. Journal of Chinese Society for Corrosion and Protection, 2007, 27(4): 228-232.

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