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Effect of structure relaxation on the plastic deformation behaviour in a Zr-based BMG under indenter

Xie, Haowen, Hodgson, Peter and Wen, Cui'e 2009, Effect of structure relaxation on the plastic deformation behaviour in a Zr-based BMG under indenter, Materials science forum, vol. 618-619, pp. 437-441.

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Title Effect of structure relaxation on the plastic deformation behaviour in a Zr-based BMG under indenter
Author(s) Xie, Haowen
Hodgson, Peter
Wen, Cui'e
Journal name Materials science forum
Volume number 618-619
Start page 437
End page 441
Total pages 5
Publisher Trans Tech
Place of publication Stafa-Zurich, Switzerland
Publication date 2009
ISSN 0255-5476
1422-6375
Keyword(s) bulk metallic glass
plastic deformation
shear band
free volume
structure relaxation
Summary Vickers and nano indentations were performed on a structurally relaxed Zr41Ti14Cu12.5Ni10Be22.5 bulk metallic glass (BMG), and the evolution of the shear bands in the relaxed BMG was investigated and compared to that in the as-cast alloy. Results indicate that the plastic deformation in the BMG with structure relaxation is accommodated by the semicircular (primary) and radial (secondary) as well as tertiary shear bands. Quantitatively, the shear band density in the relaxed alloy was much lower than that in the as-cast alloy. The annihilation of free volume caused by the annealing was responsible for the embrittlement of the sample with structure relaxation.
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
ERA Research output type C Journal article
HERDC collection year 2009
Copyright notice ©2009, Trans Tech Publications
Persistent URL http://hdl.handle.net/10536/DRO/DU:30025590

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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