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Glass forming ability and type of eutectic coupled zone

  • H. Tan*
  • , Y. Zhang
  • , D. Ma
  • , Y. Li
  • *Corresponding author for this work
  • National University of Singapore

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We have analyzed the glass forming ability around eutectic composition in terms of the competitive growth/formation of primary dendrites, eutectic and glass. It is concluded that the glass forming ability of a eutectic alloy system depends on the type of the eutectic coupled zone, i.e. symmetric or asymmetric eutectic coupled zone. For the alloy systems with symmetric eutectic coupled zone, the best glass forming alloys should be at or very close to the eutectic composition. For the alloys with asymmetric eutectic coupled zone, which is associated with the irregular eutectic, the best glass forming alloys should be at off-eutectic compositions, probably towards the side of the faceted phase with a higher entropy in the phase diagram.

Original languageEnglish
Title of host publicationSolidification Processes and Microstructures
Subtitle of host publicationA Symposium in Honor of Wilfried Kurz
EditorsM. Rappaz, C. Beckermann, R. Trivedi
Pages325-331
Number of pages7
StatePublished - 2004
Externally publishedYes
EventSolidification Processes and Microstructures: A Symposium in Honor of Wilfried Kurz - Charlotte, NC., United States
Duration: 14 Mar 200418 Mar 2004

Publication series

NameSolidification Processes and Microstructures: A Symposium in Honor of Wilfried Kurz

Conference

ConferenceSolidification Processes and Microstructures: A Symposium in Honor of Wilfried Kurz
Country/TerritoryUnited States
CityCharlotte, NC.
Period14/03/0418/03/04

Keywords

  • Bulk Metallic Glass
  • Eutectic Coupled Zone
  • Glass Forming Ability

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