High resolution electron microscopy of partial dislocations in the Laves phase structure

Y. Kitano, M. Takata, Y. Komura

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


A Mg‐base Laves phase was investigated by high resolution electron microscopy (HREM). Linear defects found at terminations of stacking faults were classified into three groups. The first is a partial dislocation at a termination of a stacking fault, the second is a superposed partial dislocation which is defined as a defect produced by a superposition of terminations of two or more stacking faults lying on neighbouring layers, and the third is a combined linear defect which consists of a characteristic combination of terminations of stacking faults. In the last case the total stacking fault vector becomes equal to the translation vector in the basal plane, so that the defect needs no relaxation of the lattice. The Burgers vectors of the partial dislocations were estimated with the aid of modified Burgers circuits. 1986 Blackwell Science Ltd

Original languageEnglish
Pages (from-to)181-190
Number of pages10
JournalJournal of Microscopy
Issue number2
Publication statusPublished - 1986 May
Externally publishedYes


  • Dislocation
  • HREM
  • Laves phase alloys
  • Mg‐Cu‐Zn alloys
  • crystal defect
  • high resolution electron microscopy
  • intermetallic compound

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Histology


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