Abstract
Research work elaborates ways of improving stress corrosion cracking susceptibility index of AZ31B magnesium alloy through solutionizing and precipitation strengthening. Specimens solutionized at 420 °C for 20 h and precipitation strengthened at 200 °C for 6 h, 12 h, and 18 h were tested by using slow strain rate tensile testing in air and simulated electrolyte i.e., Hank’s balanced salt solution at a strain rate of 10−4 per sec. For percentage elongation, maximum stress corrosion cracking (SCC) susceptibility index was obtained for 6 h aged sample. For ultimate tensile stress, maximum SCC susceptibility index was obtained for 12 h aged sample.
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