Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 790, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2020.139705
Keywords
Magnesium; Grain boundaries; Segregation; Alloying; Mechanical properties; Grain boundary embrittlement
Categories
Funding
- JSPS Scientific Research on Innovative Areas MFS Materials Science [18H05475, 18H05477, 18H05479]
- JSPS [19K05068]
- Grants-in-Aid for Scientific Research [19K05068, 18H05479, 18H05477, 18H05475] Funding Source: KAKEN
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The segregation of lithium atoms at grain boundaries was successfully confirmed by microstructural observation through electron energy-loss spectroscopy measurements. Results obtained from room-temperature tensile tests and observations of the deformed microstructure revealed that the grain boundary segregation of lithium atoms played a role in enhancing grain boundary sliding but accelerated grain boundary embrittlement.
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