Microscopic stress-induced magnetization changes in a fracture (111) surface of Terfenol-D observed with magnetic force microscopy

Jake Schmidt; Rob Tickle; George D. Skidmore; Chris Merton; Richard D. James; E. Dan Dahlberg

doi:10.1016/S0304-8853(98)00276-5

Microscopic stress-induced magnetization changes in a fracture (111) surface of Terfenol-D observed with magnetic force microscopy

Jake Schmidt, Rob Tickle, George D. Skidmore, Chris Merton, Richard D. James, E. Dan Dahlberg

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

We have imaged mechanically polished and fractured (111) surfaces of Terfenol-D using magnetic force microscopy (MFM), and also the fracture surface during application of in situ applied stresses. The theory of James and Kinderlehrer (Phil. Magn. B 68 (1993) 237) has been used to explain some of the observed domain structures. Although some imaged domain structures are not predicted, there is general agreement with the theory. Observations indicate applied stress results in domain wall motion between existing domains as well as nucleation of new domains.

Original language	English (US)
Pages (from-to)	98-107
Number of pages	10
Journal	Journal of Magnetism and Magnetic Materials
Volume	190
Issue number	1-2
DOIs	https://doi.org/10.1016/S0304-8853(98)00276-5
State	Published - Dec 1 1998

Bibliographical note

Funding Information:
This research was supported by grants #N00014-94-1-0123 and #N00014-95-1-0799 from the Office of Naval Research. One of the authors (J.S.) would like to thank the University of Minnesota graduate school for financial support.

Keywords

Fracture surface
Magnetization - stress-induced
Terfenol-D

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10.1016/S0304-8853(98)00276-5

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title = "Microscopic stress-induced magnetization changes in a fracture (111) surface of Terfenol-D observed with magnetic force microscopy",

abstract = "We have imaged mechanically polished and fractured (111) surfaces of Terfenol-D using magnetic force microscopy (MFM), and also the fracture surface during application of in situ applied stresses. The theory of James and Kinderlehrer (Phil. Magn. B 68 (1993) 237) has been used to explain some of the observed domain structures. Although some imaged domain structures are not predicted, there is general agreement with the theory. Observations indicate applied stress results in domain wall motion between existing domains as well as nucleation of new domains.",

keywords = "Fracture surface, Magnetization - stress-induced, Terfenol-D",

author = "Jake Schmidt and Rob Tickle and Skidmore, {George D.} and Chris Merton and James, {Richard D.} and {Dan Dahlberg}, E.",

note = "Funding Information: This research was supported by grants #N00014-94-1-0123 and #N00014-95-1-0799 from the Office of Naval Research. One of the authors (J.S.) would like to thank the University of Minnesota graduate school for financial support.",

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AU - Schmidt, Jake

AU - Tickle, Rob

AU - Skidmore, George D.

AU - Merton, Chris

AU - James, Richard D.

AU - Dan Dahlberg, E.

N1 - Funding Information: This research was supported by grants #N00014-94-1-0123 and #N00014-95-1-0799 from the Office of Naval Research. One of the authors (J.S.) would like to thank the University of Minnesota graduate school for financial support.

PY - 1998/12/1

Y1 - 1998/12/1

N2 - We have imaged mechanically polished and fractured (111) surfaces of Terfenol-D using magnetic force microscopy (MFM), and also the fracture surface during application of in situ applied stresses. The theory of James and Kinderlehrer (Phil. Magn. B 68 (1993) 237) has been used to explain some of the observed domain structures. Although some imaged domain structures are not predicted, there is general agreement with the theory. Observations indicate applied stress results in domain wall motion between existing domains as well as nucleation of new domains.

AB - We have imaged mechanically polished and fractured (111) surfaces of Terfenol-D using magnetic force microscopy (MFM), and also the fracture surface during application of in situ applied stresses. The theory of James and Kinderlehrer (Phil. Magn. B 68 (1993) 237) has been used to explain some of the observed domain structures. Although some imaged domain structures are not predicted, there is general agreement with the theory. Observations indicate applied stress results in domain wall motion between existing domains as well as nucleation of new domains.

KW - Fracture surface

KW - Magnetization - stress-induced

KW - Terfenol-D

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Microscopic stress-induced magnetization changes in a fracture (111) surface of Terfenol-D observed with magnetic force microscopy

Abstract

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