Air Pollution Effects on Stress Induced Intergranular Corrosion of 7005-T53 Aluminum Alloy

FH Haynie

doi:10.1520/STP28668S

SYMPOSIA PAPER Published: 01 January 1976

STP28668S

Air Pollution Effects on Stress Induced Intergranular Corrosion of 7005-T53 Aluminum Alloy

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Through a statistically designed, controlled environment experiment, it was found that atmospheric levels of sulfur dioxide induce a type of stress-accelerated intergranular corrosion in 7005-T53 aluminum alloy extruded tube material. Varying levels of nitrogen dioxide, ozone, relative humidity, and their interactions (including those with sulfur dioxide) did not cause statistically significant damage in this particular experiment. Some level of stress was necessary to cause this type of attack.

Author Information

Haynie, FH

Environmental Protection Agency, Environmental Research Center, Research Triangle Park, N. C.

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Developed by Committee: G01

Pages: 32–43

DOI: 10.1520/STP28668S

ISBN-EB: 978-0-8031-4684-6

ISBN-13: 978-0-8031-0580-5

Air Pollution Effects on Stress Induced Intergranular Corrosion of 7005-T53 Aluminum Alloy

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