Mechanical and stress corrosion cracking behavior of welded 5059H116 alloy
Source abstract
Abstract
5059H116 alloy is welded by friction stir welding (FSW) and gas metal arc welding (GMAW). Both welded specimens exhibited inferior strength and percent elongation as compared to base alloy. Soundness of the weld, passivating tendency of finer grains, and depletion of dissolved magnesium from the nugget zone due to discontinuous precipitation of Al 3Mg 2 phase at the Al 6 Mn/matrix interface contributed to the superior corrosion resistance of FSW alloy. Slow strain rate tests showed shorter time to failure for GMAW sample, which is attributed to the formation of microcells from chemical heterogeneities and iron-containing second phase dispersoids, and presence of micro-porosity.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Welding Techniques Analysis · Aluminum Alloys Composites Properties · Aluminum Alloy Microstructure Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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