On the role of CuAl2precipitates in pitting corrosion of aluminum 2009/SiCWmetal matrix composite

Tai Man Yue, Y. X. Wu, Hau Chung Man

Research output: Journal article publicationJournal articleAcademic researchpeer-review

19 Citations (Scopus)

Abstract

The corrosion behaviors of an aluminum alloy 2009/SiCWcomposite material were studied by immersion and polarization tests in NaCl solution under as-rolled and peak-aged conditions. X ray diffraction analysis showed that the as-rolled composite consisted of three main phases. The presence of massive precipitation of CuAl2phase was considered as a result of no special control over the thermal condition of the forming process. The results of the immersion test showed that at increased immersion time, the composite surface became gradually covered with considerable amount of clusters of corrosion products.
Original languageEnglish
Pages (from-to)1003-1006
Number of pages4
JournalJournal of Materials Science Letters
Volume19
Issue number11
DOIs
Publication statusPublished - 1 Jan 2000

ASJC Scopus subject areas

  • Materials Science(all)

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