Mechanistic understanding on the contribution to high strength in a three-directional severe plastic deformed biodegradable magnesium alloy.
basic_science · Level V
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- Record sourced from PubMed, PMID 42160883.
- Also identified by DOI 10.1016/j.jmbbm.2026.107468.
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Abstract
The objective of the study described here is to elucidate grain refinement and precipitation that contributed to high strength in a three-directional (x-, y-, and z-axis) compressive severe plastic deformation of a biodegradable magnesium alloy. The study of the alloy by electron back scatter diffraction (EBSD) in a scanning electron microscope and transmission electron microscopy underscored that dynamic recrystallization and dynamic precipitation mechanisms occurred during processing such that an ultrafine/fine-grained structure with random orientation of grains and high density of nanoscale precipitates were obtained, contributing to high strain hardening rate.