Generation and annihilation of nanocrystalline nucleus in undercooled Pd-Cu-Ni-P particle

Nobuyuki Nishiyama, Akihisa Inoue

Research output: Contribution to journalConference articlepeer-review

4 Citations (Scopus)

Abstract

Controlling of a nucleation event is one of the important factors for preparing nanocrystalline materials via undercooled melt. We investigated nucleation behavior of an undercooled Pd40Cu30Ni10P20 melt, which exhibits exceptional high glass-forming ability and thermal stability using an in-situ high-resolution electron microscopy. As a result, generation and annihilation of a primary Pd15P2 phase with a diameter of about 15 nm was observed in the undercooled particle sample of about 25 nm. Not only the origin for high glass-forming ability of the alloy but also the control method of a nucleation in order to prepare a nano-crystalline material via undercooled melt are discussed.

Original languageEnglish
Pages (from-to)105-110
Number of pages6
JournalMaterials Science Forum
Volume386-388
DOIs
Publication statusPublished - 2002
EventProceedings of the International Symposium on Metastable, Mechanically Alloyed and Noncrystalline Materials (ISMANAM) - Ann Arbor, MI, United States
Duration: 2001 Jun 242001 Jun 29

Keywords

  • Nanocrystallization
  • Nucleation
  • Pd-based metallic glasses
  • Undercooled melt

ASJC Scopus subject areas

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

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