Optimisation of sensitivity and time constant of thermal sensors based on magnetoelastic amorphous bilayers

E. Kaniusas; H. Pfützner; L. Mehnen; J. Kosel; J. C. Téllez-Blanco; E. Mulasalihovic; T. Meydan; M. Vázquez; M. Rohn; C. Malvicino; B. Marquardt

doi:10.1016/j.jallcom.2003.09.103

Optimisation of sensitivity and time constant of thermal sensors based on magnetoelastic amorphous bilayers

E. Kaniusas^*, H. Pfützner, L. Mehnen, J. Kosel, J. C. Téllez-Blanco, E. Mulasalihovic, T. Meydan, M. Vázquez, M. Rohn, C. Malvicino, B. Marquardt

^*Corresponding author for this work

Research output: Contribution to journal › Conference article › peer-review

12 Scopus citations

Abstract

The paper concerns bilayers as thermal sensors which consist of a magnetostrictive amorphous layer (ML) glued on a nonmagnetic metal counter layer (CL). Different thermal expansion coefficients of ML and CL yield by temperature change mechanical stress of constant sign in the ML. The corresponding change of the ML-permeability μ is registered by a pick-up coil. The main target of the study is to connect high temperature sensitivity with low time constant. A good compromise results by reducing the glue layer thickness, minimizing the bilayer dimensions and leaving ML and CL unglued inside the pick-up coil. First prototypes show a bilayer size close to 20mm×3mm, the ML thickness being close to 30μm, the CL thickness up to 100μm. Preliminary results show a sensitivity up to 3% change of μ per K in the temperature range from 10 to 40°C, the time constant being in the range of 1-2s.

Original language	English (US)
Pages (from-to)	198-201
Number of pages	4
Journal	Journal of Alloys and Compounds
Volume	369
Issue number	1-2
DOIs	https://doi.org/10.1016/j.jallcom.2003.09.103
State	Published - Apr 28 2004
Externally published	Yes
Event	Proceedings of the VI Latin American Workshop on Magnetism - Chihuahua, Mexico Duration: Apr 7 2003 → Apr 11 2003

Keywords

Amorphous materials
Magnetic measurements
Thermal analysis

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

Access to Document

10.1016/j.jallcom.2003.09.103

Cite this

Kaniusas, E., Pfützner, H., Mehnen, L., Kosel, J., Téllez-Blanco, J. C., Mulasalihovic, E., Meydan, T., Vázquez, M., Rohn, M., Malvicino, C., & Marquardt, B. (2004). Optimisation of sensitivity and time constant of thermal sensors based on magnetoelastic amorphous bilayers. Journal of Alloys and Compounds, 369(1-2), 198-201. https://doi.org/10.1016/j.jallcom.2003.09.103

@article{4b001d618a9746f58ec6224f50579054,

title = "Optimisation of sensitivity and time constant of thermal sensors based on magnetoelastic amorphous bilayers",

abstract = "The paper concerns bilayers as thermal sensors which consist of a magnetostrictive amorphous layer (ML) glued on a nonmagnetic metal counter layer (CL). Different thermal expansion coefficients of ML and CL yield by temperature change mechanical stress of constant sign in the ML. The corresponding change of the ML-permeability μ is registered by a pick-up coil. The main target of the study is to connect high temperature sensitivity with low time constant. A good compromise results by reducing the glue layer thickness, minimizing the bilayer dimensions and leaving ML and CL unglued inside the pick-up coil. First prototypes show a bilayer size close to 20mm×3mm, the ML thickness being close to 30μm, the CL thickness up to 100μm. Preliminary results show a sensitivity up to 3% change of μ per K in the temperature range from 10 to 40°C, the time constant being in the range of 1-2s.",

keywords = "Amorphous materials, Magnetic measurements, Thermal analysis",

author = "E. Kaniusas and H. Pf{\"u}tzner and L. Mehnen and J. Kosel and T{\'e}llez-Blanco, {J. C.} and E. Mulasalihovic and T. Meydan and M. V{\'a}zquez and M. Rohn and C. Malvicino and B. Marquardt",

year = "2004",

month = apr,

day = "28",

doi = "10.1016/j.jallcom.2003.09.103",

language = "English (US)",

volume = "369",

pages = "198--201",

journal = "Journal of Alloys and Compounds",

issn = "0925-8388",

publisher = "Elsevier B.V.",

number = "1-2",

note = "Proceedings of the VI Latin American Workshop on Magnetism ; Conference date: 07-04-2003 Through 11-04-2003",

}

Kaniusas, E, Pfützner, H, Mehnen, L, Kosel, J, Téllez-Blanco, JC, Mulasalihovic, E, Meydan, T, Vázquez, M, Rohn, M, Malvicino, C & Marquardt, B 2004, 'Optimisation of sensitivity and time constant of thermal sensors based on magnetoelastic amorphous bilayers', Journal of Alloys and Compounds, vol. 369, no. 1-2, pp. 198-201. https://doi.org/10.1016/j.jallcom.2003.09.103

TY - JOUR

T1 - Optimisation of sensitivity and time constant of thermal sensors based on magnetoelastic amorphous bilayers

AU - Kaniusas, E.

AU - Pfützner, H.

AU - Mehnen, L.

AU - Kosel, J.

AU - Téllez-Blanco, J. C.

AU - Mulasalihovic, E.

AU - Meydan, T.

AU - Vázquez, M.

AU - Rohn, M.

AU - Malvicino, C.

AU - Marquardt, B.

PY - 2004/4/28

Y1 - 2004/4/28

N2 - The paper concerns bilayers as thermal sensors which consist of a magnetostrictive amorphous layer (ML) glued on a nonmagnetic metal counter layer (CL). Different thermal expansion coefficients of ML and CL yield by temperature change mechanical stress of constant sign in the ML. The corresponding change of the ML-permeability μ is registered by a pick-up coil. The main target of the study is to connect high temperature sensitivity with low time constant. A good compromise results by reducing the glue layer thickness, minimizing the bilayer dimensions and leaving ML and CL unglued inside the pick-up coil. First prototypes show a bilayer size close to 20mm×3mm, the ML thickness being close to 30μm, the CL thickness up to 100μm. Preliminary results show a sensitivity up to 3% change of μ per K in the temperature range from 10 to 40°C, the time constant being in the range of 1-2s.

AB - The paper concerns bilayers as thermal sensors which consist of a magnetostrictive amorphous layer (ML) glued on a nonmagnetic metal counter layer (CL). Different thermal expansion coefficients of ML and CL yield by temperature change mechanical stress of constant sign in the ML. The corresponding change of the ML-permeability μ is registered by a pick-up coil. The main target of the study is to connect high temperature sensitivity with low time constant. A good compromise results by reducing the glue layer thickness, minimizing the bilayer dimensions and leaving ML and CL unglued inside the pick-up coil. First prototypes show a bilayer size close to 20mm×3mm, the ML thickness being close to 30μm, the CL thickness up to 100μm. Preliminary results show a sensitivity up to 3% change of μ per K in the temperature range from 10 to 40°C, the time constant being in the range of 1-2s.

KW - Amorphous materials

KW - Magnetic measurements

KW - Thermal analysis

UR - http://www.scopus.com/inward/record.url?scp=11144355377&partnerID=8YFLogxK

U2 - 10.1016/j.jallcom.2003.09.103

DO - 10.1016/j.jallcom.2003.09.103

M3 - Conference article

AN - SCOPUS:11144355377

SN - 0925-8388

VL - 369

SP - 198

EP - 201

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

IS - 1-2

T2 - Proceedings of the VI Latin American Workshop on Magnetism

Y2 - 7 April 2003 through 11 April 2003

ER -

Optimisation of sensitivity and time constant of thermal sensors based on magnetoelastic amorphous bilayers

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this