Abstract

The corrosion properties of friction stir welded 2024 aluminum alloys are studied in this paper. The results show that after 50 hours corrosion in 3.5% NaCl solution, the strength limit, Yield strength and elongations decreased compared to non-corrosion specimen, but not much. All fracture initiated at surface or sub-surface flaws at advancing side. Larger propagation zone is seen in corrosion specimen compared to non-corrosion.

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