Analysis of diffraction from [001]twist boundaries in cubic metals

A. Brokman*, R. W. Balluffi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

An analysis of the diffraction from [001] twist boundaries in cubic metals has been made using analytical methods. A relatively simple model for boundary structure involving rotational relaxations around O lattice elements in the boundary core was employed. The results yielded grain boundary diffracted intensity on a "grain boundary diffraction lattice" in reciprocal space. This lattice consisted of an array of line elements running parallel to the twist axis in a square pattern corresponding to the reciprocal lattice of the Coincidence Site Lattice lying parallel to the grain boundary plane. The analytical model predicted the presently available main features of experimentally observed diffracted intensities and also those obtained by computer simulation calculations and clearly revealed the physical origins of the diffraction effects. The generalization of the analytical model to include any type of boundary was indicated.

Original languageEnglish
Pages (from-to)1639-1647
Number of pages9
JournalActa Metallurgica
Volume31
Issue number10
DOIs
StatePublished - Oct 1983

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