Detecting martensitic transformations using spontaneous magnetic emission (SME)

Hélio Goldenstein; Edgar Apaza  Huallpa; J. Capó Sánchez; L. R. Padovese

doi:10.1016/j.jallcom.2012.03.073

Detecting martensitic transformations using spontaneous magnetic emission (SME)

Hélio Goldenstein, Edgar Apaza Huallpa, J. Capó Sánchez, L. R. Padovese

Resultado de la investigación: Contribución a una revista › Artículo › revisión exhaustiva

3 Citas (Scopus)

Resumen

Experiments exploring the Magnetic Barkhausen Noise (MBN) during the martensitic transformation led to the discovery of a novel phenomenon, here called "Spontaneous magnetic emission" (SME). This new phenomenon was identified while testing the hypothesis that there would be a Barkhausen Noise-like magnetic emission as a consequence of the movement of Bloch walls in the newly formed ferromagnetic martensite, as the nucleation and growth of Weiss magnetic domains followed the growth of martensite plates. The SME hypothesis was demonstrated experimentally in a Fe-Ni-C alloy, austenitic at room temperature, while being cooled to liquid nitrogen temperature.

Idioma original	Inglés
Páginas (desde-hasta)	S736-S740
Publicación	Journal of Alloys and Compounds
Volumen	577
N.º	SUPPL. 1
DOI	https://doi.org/10.1016/j.jallcom.2012.03.073
Estado	Publicada - 15 nov. 2013
Publicado de forma externa	Sí

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Funding Information:
The authors acknowledge the financial support granted by CNPq ; Dr. J.R.C. Guimarães is gratefully acknowledged for the valuable discussions.

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10.1016/j.jallcom.2012.03.073

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title = "Detecting martensitic transformations using spontaneous magnetic emission (SME)",

abstract = "Experiments exploring the Magnetic Barkhausen Noise (MBN) during the martensitic transformation led to the discovery of a novel phenomenon, here called {"}Spontaneous magnetic emission{"} (SME). This new phenomenon was identified while testing the hypothesis that there would be a Barkhausen Noise-like magnetic emission as a consequence of the movement of Bloch walls in the newly formed ferromagnetic martensite, as the nucleation and growth of Weiss magnetic domains followed the growth of martensite plates. The SME hypothesis was demonstrated experimentally in a Fe-Ni-C alloy, austenitic at room temperature, while being cooled to liquid nitrogen temperature.",

keywords = "Barkhausen Noise, Fe-Ni-C alloy, Magnetic noise emission, Martensitic transformation, Ms temperature",

author = "H{\'e}lio Goldenstein and {Apaza Huallpa}, Edgar and S{\'a}nchez, {J. Cap{\'o}} and Padovese, {L. R.}",

note = "Funding Information: The authors acknowledge the financial support granted by CNPq ; Dr. J.R.C. Guimar{\~a}es is gratefully acknowledged for the valuable discussions.",

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doi = "10.1016/j.jallcom.2012.03.073",

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T1 - Detecting martensitic transformations using spontaneous magnetic emission (SME)

AU - Goldenstein, Hélio

AU - Apaza Huallpa, Edgar

AU - Sánchez, J. Capó

AU - Padovese, L. R.

N1 - Funding Information: The authors acknowledge the financial support granted by CNPq ; Dr. J.R.C. Guimarães is gratefully acknowledged for the valuable discussions.

PY - 2013/11/15

Y1 - 2013/11/15

N2 - Experiments exploring the Magnetic Barkhausen Noise (MBN) during the martensitic transformation led to the discovery of a novel phenomenon, here called "Spontaneous magnetic emission" (SME). This new phenomenon was identified while testing the hypothesis that there would be a Barkhausen Noise-like magnetic emission as a consequence of the movement of Bloch walls in the newly formed ferromagnetic martensite, as the nucleation and growth of Weiss magnetic domains followed the growth of martensite plates. The SME hypothesis was demonstrated experimentally in a Fe-Ni-C alloy, austenitic at room temperature, while being cooled to liquid nitrogen temperature.

AB - Experiments exploring the Magnetic Barkhausen Noise (MBN) during the martensitic transformation led to the discovery of a novel phenomenon, here called "Spontaneous magnetic emission" (SME). This new phenomenon was identified while testing the hypothesis that there would be a Barkhausen Noise-like magnetic emission as a consequence of the movement of Bloch walls in the newly formed ferromagnetic martensite, as the nucleation and growth of Weiss magnetic domains followed the growth of martensite plates. The SME hypothesis was demonstrated experimentally in a Fe-Ni-C alloy, austenitic at room temperature, while being cooled to liquid nitrogen temperature.

KW - Barkhausen Noise

KW - Fe-Ni-C alloy

KW - Magnetic noise emission

KW - Martensitic transformation

KW - Ms temperature

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DO - 10.1016/j.jallcom.2012.03.073

M3 - Artículo

AN - SCOPUS:84891625832

VL - 577

SP - S736-S740

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

SN - 0925-8388

IS - SUPPL. 1

ER -

Detecting martensitic transformations using spontaneous magnetic emission (SME)

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