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Metallurgical aspects of corrosion resistance of aluminium alloys
Author(s) -
Reboul M. C.,
Baroux B.
Publication year - 2011
Publication title -
materials and corrosion
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.487
H-Index - 55
eISSN - 1521-4176
pISSN - 0947-5117
DOI - 10.1002/maco.201005650
Subject(s) - metallurgy , corrosion , materials science , aluminium , crevice corrosion , intergranular corrosion , galvanic corrosion , pitting corrosion , stress corrosion cracking , passivity , galvanic cell , engineering , electrical engineering
Aluminium is the second most often used metal after steel. In this paper, the most current uses of aluminium alloys are first summarised. Then, their different corrosion modes, i.e. pitting, crevice, filiform, galvanic and structural corrosion (including inter‐granular, exfoliation and stress corrosion cracking) are reviewed, with particular attention paid to metallurgical factors controlling the corrosion process. For each mode, some instances of possible in‐service failure are given, followed by the discussion of the involved mechanisms and the presentation of appropriate solutions to prevent corrosion. Last, passivity and polarisation behaviour are discussed with reference to stainless steels.