Correlation between Characters of Dislocations and Operative Slip Systems in CsCl-Type Intermetallic Compounds

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概要

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• The operative slip systems in CsCl-type intermetallic compounds are theoreti-cally examined ; our hypothesis is that a dislocation controlling the slip processproduces the least increase in the total energy when it is introduced into a crystalunder consideration. Using the inter-atom-row potential, the total energies of adissociated (111) screw dislocation and of a (001) screw dislocation are cat-culated and the results arc co?npared with the observed slip systems. It is foundthat the operative slip direction changes from (III) to (001) as the antiphaseboundary energy increases and that Feel which has been known to show anexceptional slip direction (111 ) can be satisfactorily fitted into this scheme.Furthermore, an attempt is rrtade to relate the a?atiphase bc>undary energy withthe magnitude of the composition dependence of the meltirug temperature, i.e.AT-/AC which can be easily obtained from the pltase diagram.

• 社団法人日本物理学会の論文
• 1978-11-15

著者

• Yamagata Toshihiro

  National Research Institute For Metals

関連論文

• Effect of Twist Angle on Mechanical Properties of Diffusion Bonded Joint Using Ni-Base Single Crystal Superalloy TMS-26
• GT-Related Research at National Research Institute for Metals(Letters from R&D Groups)
• Correlation between Characters of Dislocations and Operative Slip Systems in CsCl-Type Intermetallic Compounds
• OS-403 Design of Single Crystal Superalloys for Industrial Gas Turbines(Organized Session 4: Advanced Materials and Coatings)

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