Homogeneous flow of in situ bulk metallic glass matrix composite

Kang Cheung Chan, Q. Chen, L. Liu

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

Abstract

The compressive deformation behavior of as-cast Zr55.9Cu18.6Ta8Al7.5Ni10Bulk Metallic Glass (BMG) composite with micro-scale particles of Ta-rich solid solution embedded in an amorphous matrix was investigated in the supercooled liquid region. It was found that the apparent viscosity of the BMG is dependent on temperature and strain rate. A deviation from a Newtonian behavior was observed at high strain rate and low temperature. The experimental results can be described by a master curve based on a stretched exponential function and the free volume theory. The structural state and the thermal ability of the BMG composite after deformation are also discussed in the paper.
Original languageEnglish
Title of host publicationSuperplasticity in Advanced Materials - ICSAM 2006 - Proceedings of the 9th International Conference on Superplasticity in Advanced Materials
Pages561-567
Number of pages7
Publication statusPublished - 1 Dec 2007
Event9th International Conference on Superplasticity in Advanced Materials, ICSAM 2006 - Chengdu, China
Duration: 23 Jun 200626 Jun 2006

Publication series

NameMaterials Science Forum
Volume551-552
ISSN (Print)0255-5476

Conference

Conference9th International Conference on Superplasticity in Advanced Materials, ICSAM 2006
Country/TerritoryChina
CityChengdu
Period23/06/0626/06/06

Keywords

  • Bulk metallic glass composite
  • Plastic deformation mechanisms
  • Supercooled liquid region

ASJC Scopus subject areas

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

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