Journal
INTERNATIONAL JOURNAL OF SELF-PROPAGATING HIGH-TEMPERATURE SYNTHESIS
Volume 31, Issue 2, Pages 62-68Publisher
SPRINGER
DOI: 10.3103/S1061386222020078
Keywords
high-entropy alloys; high-energy ball milling; mechanical alloying; crystal structure; X-ray diffraction
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Funding
- Russian Science Foundation [20-13-00277]
- Russian Science Foundation [20-13-00277] Funding Source: Russian Science Foundation
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The dynamics of medium- and high-entropy phase formation during high-energy ball milling were investigated for various alloys. The study revealed a specific structural transformation that converts nanocrystalline intermediate solid solutions into single-phase multicomponent alloys.
Dynamics of medium- and high-entropy phase formation during the process of mechanical alloying by means of high-energy ball milling (HEBM) were studied for the equimolar CoCrFeNi, AlCoCrFeNi, and CoCrFeMnNi alloys. Using step-by-step X-ray diffraction analysis, it was found that a specific structural transformation occurs after some critical time of HEBM. It was suggested that this transformation converts nanocrystalline intermediate solid solutions formed due to severe plastic deformation during HEBM into single-phase multicomponent alloys in relatively short period of time.
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