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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.9
- 수록면
- 2,075 - 2,082 (8page)
- DOI
- 10.1007/s12540-021-01164-7
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This paper aims to indicate the role of alloying composition on the nanomechanical properties of metallic glasses (MGs). Forthis purpose, the molecular dynamics simulation of nanoindentation process was performed for a wide range of Cu?Zr glassycompositions. The results indicated that the yielding event enhanced with the rise of Cu content; however, there existed anoptimized composition for the maximum hardening effect in the system. The investigation on the evolution of shear bandsalso showed that the formation of pile-ups around the indentation site and the propagation of dominant shear bands into theglassy structure occurred in the Cu-rich MGs. On the other side, the increase in Zr content led to the creation of a net-likeshear arrangement under the indented site. Moreover, the Voronoi tessellation analysis indicated that the decreasing/increasingrate of polyhedron types during the indenting process strongly relied on the alloying compositions.
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