The susceptibility of Ti-6Al-4V foil to stress corrosion cracking (SCC) by methanol can be decreased by treatment of the foil with 2,4-pentanedione prior to its immersion in the corroding media. It is assumed that such treatments remove from the protective film formed on the foil by exposure to the atmosphere, certain metal ions whose oxides are more readily penetrated by the ions, Na and Cl− or Fe+3 and Cl−, present in the corroding media.

Subject
Foil, Ions, Sodium chloride, Sodium chloride solution, Pretreatment, Solutions, Mechanical failure, Film formation, Metals, Immersion, Methanol, Titanium alloys, Stress corrosion cracking
© 1972 National Association of Corrosion Engineers
1972
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