STRUCTURAL CHANGES OF A SIGMA equals 51 TILT BOUNDARY IN GERMANIUM DURING HIGH TEMPERATURE CREEP.

W. Skrotski, H. Wendt, C. B. Carter, D. L. Kohlstedt

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

The incorporation of lattice dislocations into a 16 degree left bracket 011 right bracket tilt boundary in Ge bicrystals has been analyzed with high-resolution and conventional transmission electron microscopy techniques. Dislocations in subgrain boundaries produced during high-temperature creep, knit into the high-angle grain boundary. As these lattice dislocations are absorbed, the structure changes along the grain boundary from one subgrain to the next. Analysis of the boundary structure by lattice-fringe imaging demonstrates that the secondary dislocations which accomodate the deviation from the coincidence orientation do not have primitive DSC Burgers vectors.

Original languageEnglish (US)
Title of host publicationMaterials Research Society Symposia Proceedings
EditorsJ.B. Roberto, R.W. Carpenter, M.C. Wittels
PublisherMaterials Research Soc
Pages261-266
Number of pages6
ISBN (Print)0931837065
StatePublished - 1985

Publication series

NameMaterials Research Society Symposia Proceedings
Volume41
ISSN (Print)0272-9172

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