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Meeting 2027 TMS Annual Meeting & Exhibition
Symposium Microstructure-Sensitive Design and Advanced Characterization: An MPMD/SMD Symposium Honoring David T. Fullwood
Presentation Title A granular-scale understanding of strain localization behavior in pure magnesium under compression
Author(s) Connor J. Lopez, Reza Motallebi, Brady Butler, Kelvin Xie
On-Site Speaker (Planned) Connor J. Lopez
Abstract Scope Pure magnesium is notorious for its brittle behavior and severe strain localization that occurs due to the inherent mechanical anisotropy of its hexagonal close-pack crystal structure. Here, we explore the nature of the strain localization behavior scale of magnesium at a granular scale under compression. Through quasi-in situ electron backscatter diffraction (EBSD) scans of under increasing loads, transmission electron microscopy (TEM) in regions of high and low strain localization, and precession electron diffraction (PED) orientation mapping of TEM samples, we determine the origin of strain localization and brittleness in pure magnesium under compression. Understanding the granular mechanism for the initiation and propagation of strain localization in magnesium can help engineers develop strategies to increase its room-temperature formability, allowing for more widespread use in structural applications.
Proceedings Inclusion? Planned:
Keywords Magnesium, Characterization, Mechanical Properties

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