The possibility of utilizing the high permeability magnetic materials in construction of magnetoelastic stress and force sensors

Bieńkowski, A.; Szewczyk, Roman

doi:10.1016/j.sna.2004.01.010

Cited by 48 publications

(32 citation statements)

References 9 publications

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“…This eect was widely investigated in soft magnetic alloys, both amorphous [2] and nanocrystaline [3] due to the possibility of development of robust force sensors [4]. Moreover, magnetoelastic eect is signicant from the point of view of development of new methods of non-destructive testing of the ferromagnetic materials, mainly steels [5].…”

Section: Introductionmentioning

confidence: 99%

Application of Extended Jiles-Atherton Model for Modelling the Influence of Stresses on Magnetic Characteristics of the Construction Steel

et al. 2014

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Paper presents the possibility of application of the Jiles-Atherton extended model to describe the magnetic characteristics of construction steel C45 under the inuence of tensile stresses. Experiment was performed on the frame-shaped samples. Then, the inuence of stresses on hysteresis loops was modelled with the Jiles-Atherton extended model. The obtained results of the modelling are consistent with results of the experimental measurements. The results of modelling create new possibilities of explanation of the physical phenomena connected with magnetisation of the magnetic materials under stresses, which is esential for the assessment of the state of the construction steel during its exploitation in industrial conditions.

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Section: Introductionmentioning

confidence: 99%

Application of Extended Jiles-Atherton Model for Modelling the Influence of Stresses on Magnetic Characteristics of the Construction Steel

et al. 2014

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“…Tested core (3) is fixed to core backings (5). These core backings are fixed to upper backing (2) and lower backing (6). In backings (5) and (6) special holes were drilled, to enable core to be wound by magnetizing and sensing windings.…”

Section: Methods Of Investigationmentioning

confidence: 99%

“…In backings (5) and (6) special holes were drilled, to enable core to be wound by magnetizing and sensing windings. Compressive force F generated by oil press is transferred by shaft (1) and ball (2) to the lower backing (6). As a result, compressive force F generates uniform tensile stresses in the core (4).…”

Section: Methods Of Investigationmentioning

confidence: 99%

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New Method of Measurement of the Magnetoelastic Characteristics for Tensile Stresses

et al. 2010

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The paper presents a novel method of measurements of tensile stress dependence of the magnetic characteristics of ring-shaped cores made of soft amorphous alloys. In the presented method, the uniform tensile stress was applied perpendicularly to the magnetizing field direction. Magnetoelastic core with closed magnetic circuit was fixed on the non-magnetic backings enabling the conversion of compressive force into tensile stresses as well as it enables the core to be winded by magnetizing and sensing windings. Magnetoelastic characteristics measured under tensile stress, for Fe 25 Ni 55 Si 10 B 10 alloy annealed in temperature 350• C for 1 h, are presented in this paper. The presented results indicate high tensile stress sensitivity of Fe 25 Ni 55 Si 10 B 10 alloy. Moreover, together with magnetoelastic characteristics for compressive stresses (presented previously in the literature), the describes results create possibility of further development of models of the magnetoelastic effects in amorphous alloys.

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“…Ferrites are materials of relatively low cost which are applicable to several kinds of sensors to probe, such as current [1], magnetic field [2], mechanical stresses [3], gas concentrations [4,5], and temperature [6]. Ferrite temperature sensors for biological applications have been developed, which can monitor human body temperature [7] and also have biochemical applications [8,9].…”

Section: Introductionmentioning

confidence: 99%

EVALUATION OF A Ni-Zn FERRITE FOR USE IN TEMPERATURE SENSORS

Brito¹,

Almeida²,

Hirata³

et al. 2010

PIER Letters

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Abstract-This work investigates the variation of the real part of the complex magnetic permeability of a Ni-Zn ferrite for application to temperature sensors. Ferrite samples were fabricated by means of the conventional ceramic method. Zinc, nickel and iron oxides were used as raw materials. The samples were sintered at 1200, 1300, and 1400 • C. The complex magnetic permeability of the samples was measured at temperatures ranging from −40 • C to +50 • C. The complex magnetic permeability of the samples was analyzed in the 100 kHz-100 MHz frequency range, and the temperature sensitivity of the magnetic permeability (∂µ r /∂T ) was analyzed at 100 kHz. The magnetic permeability variation of the ferrite permits to use it as a temperature transducer with a maximum temperature sensitivity of about −119 • C −1 . The highest magnitudes of temperature sensitivity occurred between +30 • C and +50 • C. Therefore, the ferrite could be sensitive enough to allow temperature measurements at the human body temperature level.The results indicate that the temperature range of maximum temperature sensitivity of the ferrite may be adjusted by means of appropriate selection of the fabrication parameters.

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The possibility of utilizing the high permeability magnetic materials in construction of magnetoelastic stress and force sensors

Cited by 48 publications

References 9 publications

Application of Extended Jiles-Atherton Model for Modelling the Influence of Stresses on Magnetic Characteristics of the Construction Steel

Application of Extended Jiles-Atherton Model for Modelling the Influence of Stresses on Magnetic Characteristics of the Construction Steel

New Method of Measurement of the Magnetoelastic Characteristics for Tensile Stresses

EVALUATION OF A Ni-Zn FERRITE FOR USE IN TEMPERATURE SENSORS

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