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

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dc.contributor.authorWang, Gang
dc.contributor.authorShen, J.
dc.contributor.authorSun, J. F.
dc.contributor.authorHuang, Y. J.
dc.contributor.authorZou, Jin
dc.contributor.authorLu, Z. P.
dc.contributor.authorStachurski, Zbigniew
dc.contributor.authorZhou, B. D.
dc.date.accessioned2015-12-13T22:53:02Z
dc.date.issued2005
dc.date.updated2015-12-11T10:54:15Z
dc.description.abstractThe 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 that the BMG exhibits a Newtonian behavior at low strain rates but a non-Newtonian behavior at high-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 on the analysis on tensile deformation, a gear-like micropart is successfully die-forged via a superplastic forging process, demonstrating that the BMG has excellent workability in the supercooled liquid region.
dc.identifier.issn0022-3093
dc.identifier.urihttp://hdl.handle.net/1885/81654
dc.publisherElsevier
dc.sourceJournal of Non-crystalline Solids
dc.subjectKeywords: Bulk metallic glass (BMG); Nanocrystallization; Newtonian behavior; Supercooled liquids; Crystallization; Elastic moduli; Forming; Nanostructured materials; Strain; Supercooling; Superplasticity; Tensile properties; Metallic glass
dc.titleSuperplasticity and superplastic forming ability of a Zr-Ti-Ni-Cu-Be bulk metallic glass in the supercooled liquid region
dc.typeJournal article
local.bibliographicCitation.issue3
local.bibliographicCitation.lastpage217
local.bibliographicCitation.startpage209
local.contributor.affiliationWang, Gang, College of Engineering and Computer Science, ANU
local.contributor.affiliationShen, J, Harbin Institute of Technology
local.contributor.affiliationSun, J F, Harbin Institute of Technology
local.contributor.affiliationHuang, Y J, Harbin Institute of Technology
local.contributor.affiliationZou, Jin, University of Queensland
local.contributor.affiliationLu, Z P, Oak Ridge National Laboratory
local.contributor.affiliationStachurski, Zbigniew, College of Engineering and Computer Science, ANU
local.contributor.affiliationZhou, B D, Harbin Institute of Technology
local.contributor.authoruidWang, Gang, u4066383
local.contributor.authoruidStachurski, Zbigniew, u9300839
local.description.embargo2037-12-31
local.description.notesImported from ARIES
local.description.refereedYes
local.identifier.absfor091299 - Materials Engineering not elsewhere classified
local.identifier.ariespublicationMigratedxPub9948
local.identifier.citationvolume351
local.identifier.doi10.1016/j.jnoncrysol.2004.11.006
local.identifier.scopusID2-s2.0-11244331448
local.type.statusPublished Version

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