Atomistic Insights into the Competition between Damage and Dynamic Recrystallization Stimulated by the Precipitate Mg17Al12 in Magnesium Alloys

نویسندگان

چکیده

Precipitates are closely related to ductile damage and dynamic recrystallization (DRX) in magnesium alloys. Using molecular dynamics simulation the embedded atomic method, competition between DRX stimulated by precipitate of alloys is investigated. The effects distribution dimensions on void nucleation, dislocation emission, growth, quantitatively discussed. It found that compared system with a pre-existing void, single has two extra stages during evolution, namely disorder its strength clearly better. Void growth attributed emission from tips. Keeping same volume fraction varying spacings precipitates, results show refinement densification can increase deformation compatibility system, hindering nucleation elevating toughness. This be reduction stress concentration prevalence particle-stimulated DRX.

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ژورنال

عنوان ژورنال: Metals

سال: 2022

ISSN: ['2075-4701']

DOI: https://doi.org/10.3390/met12040633