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Plastic deformation in the annealed Zr41Ti14Cu12.5Ni10Be22.5 bulk metal glass under indenter

Xie, Haowen, Li, Yuncang, Yang, Dengke, Hodgson, Peter and Wen, Cui'e 2009, Plastic deformation in the annealed Zr41Ti14Cu12.5Ni10Be22.5 bulk metal glass under indenter, Journal of alloys and compounds, vol. 475, no. 1-2, pp. 501-505.

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Title Plastic deformation in the annealed Zr41Ti14Cu12.5Ni10Be22.5 bulk metal glass under indenter
Formatted title Plastic deformation in the annealed Zr41Ti14Cu12.5Ni10Be22.5 bulk metal glass under indenter
Author(s) Xie, Haowen
Li, Yuncang
Yang, Dengke
Hodgson, Peter
Wen, Cui'e
Journal name Journal of alloys and compounds
Volume number 475
Issue number 1-2
Start page 501
End page 505
Total pages 5
Publisher Elsevier B.V.
Place of publication Amsterdam, Netherlands
Publication date 2009-05
ISSN 0925-8388
Keyword(s) Bulk metallic glass
Shear band
Vickers indentation
Plastic deformation
Structure relaxation
Summary Vickers and nanoindentationswere carried out on an annealed Zr41Ti14Cu12.5Ni10Be22.5 bulk metallic glass (BMG), and the evolution of the shear bands in the annealed BMG was investigated and compared to that in the as-cast alloy. Results indicate that the plastic deformation in the BMG with the structure relaxation is accommodated by the semicircular (primary) and radial (secondary) as well as tertiary shear bands. Quantitatively, the shear band density in the annealed alloywas much lower than that in the as-cast alloy. The load-displacement curve of nanoindentation test for the annealed alloy exhibited a more flat serrated flow. The annihilation of free volume caused by the annealing was responsible for the embrittlement of the annealed sample.
Language eng
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 861206 Structural Metal Products
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2008, Elsevier B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30025591

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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Created: Thu, 25 Mar 2010, 13:37:57 EST by Sandra Dunoon