The role of matrix dislocations in growth ledge formation on f.c.c.-b.c.c. interfaces in a ni-cr alloy

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9 Citations (Scopus)

Abstract

The structure of the interfaces between a f.c.c. matrix and b.c.c. precipitates, across which a Kurdjumov-Sachs orientation relationship holds, was examined in a NM5 mass% Cr alloy. Intruder matrix dislocations, whose Burgers vector is not parallel to the (11 l)fc c//(l 10)b c cinterface, were found to create new growth ledges. These dislocations can accommodate the misfit between the interplanar spacings of close-packed planes parallel to each other.

Original languageEnglish
Pages (from-to)31-36
Number of pages6
JournalPhilosophical Magazine Letters
Volume69
Issue number1
DOIs
Publication statusPublished - 1994 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics

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