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

Nobuyuki Nishiyama, Akihisa Inoue

研究成果: Conference article査読

4 被引用数 (Scopus)

抄録

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.

本文言語English
ページ(範囲)105-110
ページ数6
ジャーナルMaterials Science Forum
386-388
DOI
出版ステータスPublished - 2002
イベントProceedings of the International Symposium on Metastable, Mechanically Alloyed and Noncrystalline Materials (ISMANAM) - Ann Arbor, MI, United States
継続期間: 2001 6月 242001 6月 29

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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