Dynamics of twin boundaries in martensites

G. R. Barsch; B. Horovitz; J. A. Krumhansl

doi:10.1103/PhysRevLett.59.1251

Dynamics of twin boundaries in martensites

G. R. Barsch, B. Horovitz, J. A. Krumhansl

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99 Scopus citations

Abstract

The theory of forming a coherent twinning array in a parent phase is studied for a tetragonal to orthorhombic displacive transition. We find that this structure can be stabilized without the use of dislocations by a long-range interaction between the twin boundaries which is mediated via the parent phase. The dynamics of the twin boundary lattice consists of elementary excitations with surprisingly low frequency and a limiting (wave vector)1/2 dispersion.

Original language	English
Pages (from-to)	1251-1254
Number of pages	4
Journal	Physical Review Letters
Volume	59
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevLett.59.1251
State	Published - 1 Jan 1987
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.59.1251

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title = "Dynamics of twin boundaries in martensites",

abstract = "The theory of forming a coherent twinning array in a parent phase is studied for a tetragonal to orthorhombic displacive transition. We find that this structure can be stabilized without the use of dislocations by a long-range interaction between the twin boundaries which is mediated via the parent phase. The dynamics of the twin boundary lattice consists of elementary excitations with surprisingly low frequency and a limiting (wave vector)1/2 dispersion.",

author = "Barsch, \{G. R.\} and B. Horovitz and Krumhansl, \{J. A.\}",

year = "1987",

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AB - The theory of forming a coherent twinning array in a parent phase is studied for a tetragonal to orthorhombic displacive transition. We find that this structure can be stabilized without the use of dislocations by a long-range interaction between the twin boundaries which is mediated via the parent phase. The dynamics of the twin boundary lattice consists of elementary excitations with surprisingly low frequency and a limiting (wave vector)1/2 dispersion.

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Dynamics of twin boundaries in martensites

Abstract

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