Bending martensite needles in (formula presented) investigated by two-dimensional elasticity and high-resolution transmission electron microscopy

Ph Boullay, D. Schryvers, Robert Kohn

Research output: Contribution to journalArticle

Abstract

The bending and tapering of microtwin needles at the interface between two martensite laminates in (formula presented) are addressed. A theory is presented, based on the assumption that the microstructure is essentially stress-free; it predicts a linear relationship between the bending and tapering of the needles. The predictions of this theory are compared to experimental data obtained by high-resolution transmission electron microscopy. The agreement between theory and experiment is good, thus bridging the gap between continuum theory and discrete atomic structure, particularly in the region where the bending and tapering are largest.

Original languageEnglish (US)
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume64
Issue number14
DOIs
StatePublished - Jan 1 2001

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tapering
High resolution transmission electron microscopy
martensite
Martensite
needles
Needles
Elasticity
elastic properties
transmission electron microscopy
high resolution
Laminates
atomic structure
laminates
Microstructure
continuums
microstructure
Experiments
predictions

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

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abstract = "The bending and tapering of microtwin needles at the interface between two martensite laminates in (formula presented) are addressed. A theory is presented, based on the assumption that the microstructure is essentially stress-free; it predicts a linear relationship between the bending and tapering of the needles. The predictions of this theory are compared to experimental data obtained by high-resolution transmission electron microscopy. The agreement between theory and experiment is good, thus bridging the gap between continuum theory and discrete atomic structure, particularly in the region where the bending and tapering are largest.",
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AB - The bending and tapering of microtwin needles at the interface between two martensite laminates in (formula presented) are addressed. A theory is presented, based on the assumption that the microstructure is essentially stress-free; it predicts a linear relationship between the bending and tapering of the needles. The predictions of this theory are compared to experimental data obtained by high-resolution transmission electron microscopy. The agreement between theory and experiment is good, thus bridging the gap between continuum theory and discrete atomic structure, particularly in the region where the bending and tapering are largest.

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