Corrosion of AA 7075 aluminum alloy in media contaminated with Cladosporium resinae

Journal Article · Thu Sep 01 00:00:00 EDT 1988 · Corrosion (Houston); (United States)

DOI:https://doi.org/10.5006/1.3584977· OSTI ID:6759229

Ayllon, E S; Rosales, B M ^[1]

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1. CITEFA, Zufriategui 4380, 1603 Villa Martelli, Buenos Aires (AR)

In an aircraft fuel, microbial contamination creates serious corrosion problems. The wing tank bottom and sides are affected by the growth of a biological sludge associated with the condensed water. The behavior of the AA 7075 Al alloy in a culture of the principal contaminant, the fungus Cladosporium resinae, is determined. The influences of other microbial contaminants of the medium, alloying elements, and surface heterogeneities of the alloy in the nucleation and propagation of the pitting are analyzed. The electrochemical treatments applied reproduce the attack observed in service conditions.

• OSTI ID: 6759229
• Journal Information: Corrosion (Houston); (United States), Vol. 44:9
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
ALUMINIUM ALLOYS
PITTING CORROSION
AVIATION FUELS
CONTAMINATION
AIRCRAFT
FUNGI
ALLOYS
CHEMICAL REACTIONS
CORROSION
FUELS
PLANTS
360105* - Metals & Alloys- Corrosion & Erosion