Stress corrosion cracking behavior of Nd:YAG laser butt welded AZ31 Mg sheet

Kannan, M. Bobby, Dietzel, W., Blawert, C., Riekehr, S., and Kocak, M. (2007) Stress corrosion cracking behavior of Nd:YAG laser butt welded AZ31 Mg sheet. Materials Science and Engineering A: structural materials: properties microstructure and processing, 444 (1-2). pp. 220-226.

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Abstract

In this study, the stress corrosion cracking (SCC) behavior of samples fabricated from AZ31 Mg alloy by laser butt welding was investigated in slow strain rate tensile (SSRT) and constant load tests. The results show that the laser butt welded AZ31 Mg samples are highly susceptible to SCC. The failure of the samples occurred in the fusion boundary when tested in corrosion environment in contrast to failures in the fusion zone (FZ)/base region observed for tests in air. It is suggested that weakening of the fusion boundary is due to the localized corrosion attack along the region.

Item ID: 9621
Item Type: Article (Refereed Research - C1)
Keywords: magnesium alloy; stress corrosion cracking; laser butt welding
ISSN: 1873-4936
Date Deposited: 08 Apr 2010 01:00
FoR Codes: 09 ENGINEERING > 0912 Materials Engineering > 091207 Metals and Alloy Materials @ 100%
SEO Codes: 86 MANUFACTURING > 8611 Basic Metal Products (incl. Smelting, Rolling, Drawing and Extruding) > 861199 Basic Metal Products (incl. Smelting, Rolling, Drawing and Extruding) not elsewhere classified @ 100%
Citation Count from Web of Science Web of Science 37
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