SYMPOSIA PAPER Published: 01 January 1967
STP46460S

A Quantitative Stress Corrosion Test for Al-Zn-Mg Alloy Plate

Source

The stress corrosion susceptibility of Al-4.25Zn–2.9Mg plate was determined in the short-transverse direction. C-ring type specimens were exposed to alternate immersion in a NaCl solution. It was shown that laboratory temperature and humidity must be controlled to obtain reproducible results. Time-to-failure results for a given lot of material have a normal distribution when failure times are converted to logarithms. Tests were also made in a marine environment and in an industrial environment. These outdoor results for various lots follow the same ranking for susceptibility as determined by the alternate-immersion tests.

Author Information

Rosenthal, H.
United States Army, Philadelphia, Pa.
Pritchard, H., R.
United States Army, Philadelphia, Pa.
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Details
Developed by Committee: G01
Pages: 165–181
DOI: 10.1520/STP46460S
ISBN-EB: 978-0-8031-6808-4
ISBN-13: 978-0-8031-6638-7