This article presents the results of a study in which stress corrosion crack growth was examined in situ in aluminum alloy samples. Precracked test specimens were mounted in a customized load frame and a scanning vibrating probe was used to map potential gradients induced by electrochemical coupling current around the crack tip, mouth, and surrounding surfaces. The authors describe the test setup and present and analyze their findings.

aluminum alloy 5083, crack mouth opening displacement, scanning vibrating electrode technique, stress corrosion cracking
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Copyright © ASM International® 2013
2013
ASM International
Topics
Stress corrosion cracking Aluminum-copper alloys Scanning probe microscopy Crack-tip opening displacement Corrosion performance testing
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