Enhancement of plasticity in Ti-rich Ti-Zr-Be-Cu-Ni-Ta bulk glassy alloy via introducing the structural inhomogeneity

Jin Man Park, Do Hyang Kim, Ki Buem Kim, Eric Fleury, Min Ha Lee, Won Tae Kim, Jürgen Eckert

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

The effect of microstructural inhomogeneities with different length scale on the plasticity of (Ti45Zr16 Be20CU10 Ni9)100-x Tax (x = 0,5, and 10) bulk glassy alloys has been studied. The formation of specific heterogeneous microstructures with a different type of structural inhomogeneity, i.e., short-/medium-range ordered clusters or micrometer-scale ductile dendrites combined with a glassy matrix, evolved by appropriately tuning the alloy chemistry, improves the room temperature plasticity up to -12.5% and -15%, respectively. The pronouncedly enhanced plasticity is mainly attributed to the retardation of shear localization and multiplication of shear bands by controlling the plastic and failure instabilities otherwise responsible for premature failure.

Original languageEnglish
Pages (from-to)2984-2989
Number of pages6
JournalJournal of Materials Research
Volume23
Issue number11
DOIs
Publication statusPublished - 2008 Nov 1

Fingerprint

plastic properties
Plasticity
inhomogeneity
augmentation
shear
Shear bands
dendrites
Taxation
multiplication
micrometers
plastics
Tuning
tuning
chemistry
Plastics
microstructure
Microstructure
room temperature
matrices
Temperature

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Park, Jin Man ; Kim, Do Hyang ; Kim, Ki Buem ; Fleury, Eric ; Lee, Min Ha ; Kim, Won Tae ; Eckert, Jürgen. / Enhancement of plasticity in Ti-rich Ti-Zr-Be-Cu-Ni-Ta bulk glassy alloy via introducing the structural inhomogeneity. In: Journal of Materials Research. 2008 ; Vol. 23, No. 11. pp. 2984-2989.
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Enhancement of plasticity in Ti-rich Ti-Zr-Be-Cu-Ni-Ta bulk glassy alloy via introducing the structural inhomogeneity. / Park, Jin Man; Kim, Do Hyang; Kim, Ki Buem; Fleury, Eric; Lee, Min Ha; Kim, Won Tae; Eckert, Jürgen.

In: Journal of Materials Research, Vol. 23, No. 11, 01.11.2008, p. 2984-2989.

Research output: Contribution to journalArticle

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AB - The effect of microstructural inhomogeneities with different length scale on the plasticity of (Ti45Zr16 Be20CU10 Ni9)100-x Tax (x = 0,5, and 10) bulk glassy alloys has been studied. The formation of specific heterogeneous microstructures with a different type of structural inhomogeneity, i.e., short-/medium-range ordered clusters or micrometer-scale ductile dendrites combined with a glassy matrix, evolved by appropriately tuning the alloy chemistry, improves the room temperature plasticity up to -12.5% and -15%, respectively. The pronouncedly enhanced plasticity is mainly attributed to the retardation of shear localization and multiplication of shear bands by controlling the plastic and failure instabilities otherwise responsible for premature failure.

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