Analytical electron diffraction technique for the determination of long-range order parameters in multi-component ordered alloys

Syo Matsumura, Takao Morimura, Kensuke Oki

研究成果: Contribution to journalArticle査読

23 被引用数 (Scopus)

抄録

A combination of the channelling enhanced X-ray microanalysis (ALCHEMI) and the intersecting Kikuchi-line (IKL) method in transmission electron microscopy is used as a technique to determine long-range order (LRO) parameters of multi-component alloys. This technique, IKL-ALCHEMI, opens up a field of research on atomic configuration in multinary alloys with imperfect order, taking advantage of a transmission electron microscope equipped with an EDX spectrometer. An application of IKL-ALCHEMI to L10-type ordering in CuAuPd ternary alloys has successfully quantified occupation probabilities of the three elements on the two sublattices as a function of alloy composition. The result clearly shows the effective ordering interactions between first nearest neighboring pairs Vij to be VCuPd> VCuAu ≫ VAuPd.

本文言語英語
ページ(範囲)905-910
ページ数6
ジャーナルMaterials Transactions, JIM
32
10
DOI
出版ステータス出版済み - 1991

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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