Superplasticity and superplastic forming ability of a Zr-Ti-Ni-Cu-Be bulk metallic glass in the supercooled liquid recgion

Wang, G, Shen, J, Sun, JF, Huang, YJ, Zou, J, Lu, ZP, Stachurski, ZH and Zhou, BD (2005) Superplasticity and superplastic forming ability of a Zr-Ti-Ni-Cu-Be bulk metallic glass in the supercooled liquid recgion. Journal of Non-crystalline Solids, 351 3: 209-217. doi:10.1016/j.jnoncrysol.2004.11.006


Author Wang, G
Shen, J
Sun, JF
Huang, YJ
Zou, J
Lu, ZP
Stachurski, ZH
Zhou, BD
Title Superplasticity and superplastic forming ability of a Zr-Ti-Ni-Cu-Be bulk metallic glass in the supercooled liquid recgion
Journal name Journal of Non-crystalline Solids   Check publisher's open access policy
ISSN 0022-3093
Publication date 2005-01-01
Year available 2005
Sub-type Article (original research)
DOI 10.1016/j.jnoncrysol.2004.11.006
Open Access Status DOI
Volume 351
Issue 3
Start page 209
End page 217
Total pages 9
Place of publication Netherlands
Publisher Elsevier Science BV
Language eng
Subject C1
291499 Materials Engineering not elsewhere classified
291804 Nanotechnology
291702 Optical and Photonic Systems
780199 Other
Abstract The superplastic deformation behavior and superplastic forming ability of the Zr41.25Ti13.75Ni10Cu12.5Be22.5 (at.%) bulk metallic glass (BMG) in the supercooled liquid region were investigated. The isothermal tensile results indicate (hat the BMG exhibits a Newtonian behavior at low strain rates but a non-Newtonian behavior at hiqh-strain rates in the initial deformation stage. The maximum elongation reaches as high as 1624% at 656 K. and nanocrystallization was found to occur during the deformation process. Based cm the analysis on tensile deformation. a gear-like micropart is successfully die-forged via a superplastic forgings process. demonstrating that the BMG has excellent workability in the supercooled liquid region. (C) 2004 Elsevier B.V. All rights reserved.
Keyword Materials Science, Ceramics
Materials Science, Multidisciplinary
Deformation-behavior
Amorphous Alloy
Region
Transition
Viscosity
Curves
Flow
Q-Index Code C1
Grant ID 51025415
RYC-2009-05413
Institutional Status UQ

 
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Created: Wed, 15 Aug 2007, 13:57:48 EST