The study on interface and property of TiNb/Zr-based metallic glassy composite fabricated by SPS

Zhenhua Chu, Guangyin Yuan, Hidemi Kato, Guoqiang Xie, Dianran Yan

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

Abstract In the present study TiNb/Zr55Cu30Al10Ni5 with various fraction additions were fabricated by spark plasma sintering successfully. The interface between the TiNb and the glassy matrix was investigated by nanoindentation. The results indicate that there is a good bonding between them. Therefore, the strength and plastic strain are improved due to introduction of TiNb. In order to study the improved plastic deformation of the composites, the FEM (Finite Element Method) was adopted. It is observed that more shear bands are formed around the TiNb particles. The shear bands form and propagate at the interface of the TiNb and the glassy matrix due to the misfit of their Young's modulus, therefore, the plastic strain is improved.

Original languageEnglish
Article number17495
Pages (from-to)83-87
Number of pages5
JournalJournal of Non-Crystalline Solids
Volume426
DOIs
Publication statusPublished - 2015 Jul 14

Keywords

  • Bulk amorphous alloys
  • Composites
  • Finite element method
  • Plasticity
  • Shear bands

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Materials Chemistry

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