The NiNi partial structure in NiV alloy system observed by neutron scattering during mechanical alloying amorphization process

Toshiharu Fukunaga, Yoshiya Homma, Masakatsu Misawa, Kenji Suzuki

研究成果: Article査読

36 被引用数 (Scopus)

抄録

The alternation of the partial NiNi correlation of Ni40V60 powders in amorphization process by MA was directly observed by neutron diffraction, because the coherent neutron scattering length of a V atom is very small in comparison with that of a Ni atom. Most of peaks attributed to the Ni atom positron of FCC crystal in RDF decrease and broaden gradually to be superimposed on the broad haro originating from the amorphous structure, but the peaks of the 2nd and 5th NiNi neighbor positions observed within 7 A distance drastically decrease and disappear with increasing MA time. The result indicates that octahedral units forming FCC structure decrease with increasing MA time and the amorphous structure is mainly composed of tetrahedral units.

本文言語English
ページ(範囲)721-724
ページ数4
ジャーナルJournal of Non-Crystalline Solids
117-118
PART 2
DOI
出版ステータスPublished - 1990 2 1

ASJC Scopus subject areas

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

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