Influence of indenter geometry on the deformation behavior of Zr60Cu30Al10 bulk metallic glass during nanoindentationopen access
- Authors
- Yoo, Byung Gil; Kim, Ju Young; Jang, Jae il
- Issue Date
- Jul-2007
- Publisher
- JAPAN INST METALS
- Keywords
- bulk metallic glass (BMG); nanoindentation; serrated flow; indenter geometry
- Citation
- MATERIALS TRANSACTIONS, v.48, no.7, pp.1765 - 1769
- Indexed
- SCIE
SCOPUS
- Journal Title
- MATERIALS TRANSACTIONS
- Volume
- 48
- Number
- 7
- Start Page
- 1765
- End Page
- 1769
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/179874
- DOI
- 10.2320/matertrans.MJ200752
- ISSN
- 1345-9678
- Abstract
- As a first step in examining a new aspect of inhomogeneous plastic flow in bulk metallic glasses (BMGs) during nanoindentation, a series of nanoindentation experiments were performed on Zr60Cu30Al10 BMG with two pyramidal indenters (Berkovich and cube-corner indenters) having different centreline-to-face angle. It was revealed that the indenter angle can be a new controllable factor affecting the serrated flow behaviour of the BMG during nanoindentation, since a sharper cube-corner indenter induces different stress field under the contact from Berkovich indenter typically used. Results are discussed in terms of preliminary ideas for improving analysis of the shear-band-ruled deformation behaviours in the BMG during nanoindentation.
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