期刊
JOURNAL OF NON-CRYSTALLINE SOLIDS
卷 558, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jnoncrysol.2021.120672
关键词
Metallic glasses; Structural relaxation; Shear modulus; Enthalpy; Defects
资金
- Russian Science Foundation [20-62-46003]
- Russian Science Foundation [20-62-46003] Funding Source: Russian Science Foundation
This study conducted parallel measurements of enthalpy and high-frequency shear modulus changes during structural relaxation of five bulk metallic glasses. The analysis revealed a one-to-one correlation between the change in molar enthalpy and the alteration in the calculated number of defects based on Interstitialcy theory. The defect formation enthalpy derived from this correlation aligns well with the accepted quantity in the Interstitialcy theory.
Parallel measurements of the enthalpy and high-frequency shear modulus changes occurring upon structural relaxation of five bulk metallic glasses are performed. An analysis showed that there exists a one-to-one correlation between the change of the molar enthalpy and the alteration of the number of defects calculated within the framework of the Interstitialcy theory on the basis of shear modulus relaxation data. The defect formation enthalpy derived using this correlation agrees quite well with this quantity accepted in the Interstitialcy theory.
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