Intermetallic Particles-Induced Pitting Corrosion in 6061-T651 Aluminium Alloy

Abstract:

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The polished 6061-T651 aluminium alloy was immersed in 3.5% NaCl solution with about 7 ppm dissolved oxygen. Scanning Electron Microscopy equipped with Energy dispersive X-ray Spectroscopy revealed the presence of Al-Si-Fe-containing particles that acted as cathodic sites and promoted the matrix dissolution. The effect of pH and chloride solution is assessed.

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Periodical:

Edited by:

Hajo Dieringa, Norbert Hort and Karl Ulrich Kainer

Pages:

389-392

DOI:

10.4028/www.scientific.net/MSF.690.389

Citation:

K. Mutombo "Intermetallic Particles-Induced Pitting Corrosion in 6061-T651 Aluminium Alloy", Materials Science Forum, Vol. 690, pp. 389-392, 2011

Online since:

June 2011

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$35.00

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