Application of continuous displacement cluster variation method to study phase equilibria

Tetsuo Mohri

研究成果: Conference contribution

抄録

Cluster Variation Method (CVM) has been widely recognized as one of the most reliable theoretical tools to study phase equilibria in metallic alloy systems. The conventional CVM, however, does not allow atomic local displacements and, therefore, calculated results often encounter various inconveniences such as the overestimation of transition temperatures. Continuous Displacement Cluster Variation Method (CDCVM) was proposed to circumvent such deficiencies of the conventional CVM. Preliminary studies on an order-disorder phase diagram based on CDCVM indicate that the transition temperature is shifted downward reproducing experimental tendencies. In the present study, lattice thermal vibration effects are also incorporated through Morse potential. It is concluded that the local lattice distortion effects are quite effective to reduce the transition temperature.

本文言語English
ホスト出版物のタイトルPRICM7
出版社Trans Tech Publications Ltd
ページ1496-1499
ページ数4
ISBN(印刷版)0878492550, 9780878492558
DOI
出版ステータスPublished - 2010
イベント7th Pacific Rim International Conference on Advanced Materials and Processing, PRICM-7 - Cairns, QLD, Australia
継続期間: 2010 8 22010 8 6

出版物シリーズ

名前Materials Science Forum
654-656
ISSN(印刷版)0255-5476
ISSN(電子版)1662-9752

Other

Other7th Pacific Rim International Conference on Advanced Materials and Processing, PRICM-7
CountryAustralia
CityCairns, QLD
Period10/8/210/8/6

ASJC Scopus subject areas

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

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