Influence of exposed area on stress-corrosion cracking of 24S aluminum alloy

William H. Colner, Howard T. Francis
naca-tn-3292
Nov 1954


Results are reported of a study of the area effect in 24S aluminum alloy. By are effect is meant the phenomenon whereby small areas show long times to failure while large areas show short times. The effects of stress level, degree of sensitivity of the alloy, and hydrogen peroxide concentration in the corrosion medium is studied. Substitution of oxygen for hydrogen peroxide also was investigated.

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