Effect of Temperature on Properties of Iron-Resin Composites for Automotive Applications

Gélinas, Claude; Lefebvre, Louis Philippe; Pelletier, S.; Viarouge, P.

doi:10.4271/970421

Cited by 6 publications

(2 citation statements)

References 4 publications

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“…The VEMR core is magnetised under a magnetic field since it is composed of ferromagnetic particles [23]. Thus, when a magnetic field is applied to a vibrating VEMRS, this is subjected to a distributed magnetic force arising from the interaction between the magnetisation of its core and the magnetic field [15].…”

Section: Magnetoelastic Forcementioning

confidence: 99%

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Effect of magneto-elastic force on magneto-dynamic model of viscoelastic-magnetorheological sandwiches

Irazu

Elejabarrieta

2019

Smart Mater. Struct.

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A new numerical magneto-dynamic model of viscoelastic-magnetorheological sandwiches is developed and validated with experimental results. The novelty of the model is that, in addition to the magnetorheological effect of the core, it also contemplates the magneto-elastic force generated in the sandwich as a result of the interaction between the magnetic vibrating sandwich and the applied magnetic field. The numerical results show the effect of magneto-elastic force on the magneto-dynamic behaviour of the sandwich in decreasing the natural frequency of the structure. Increasing the intensity of the magnetic field, the natural frequency and the vibration amplitude of the sandwich decrease in the first vibration mode, which agrees with experimental results observed in the literature. To the author's best knowledge, this is the first time magneto-elastic force has been identified as the mechanism responsible for decreasing the natural frequencies of viscoelasticmagnetorheological sandwiches and that this magneto-dynamic behaviour has been represented.

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Section: Magnetoelastic Forcementioning

confidence: 99%

“…The FEM first has to be computed in the absence of a magnetic field, H=0 kA/m in equations (20) to (23), in order to identify the natural frequencies of the VEMRS structure to be analysed. Then, the FEM model under different magnetic field intensities, H, can be computed for each vibration mode.…”

Section: Finite Element Modelmentioning

confidence: 99%

Effect of magneto-elastic force on magneto-dynamic model of viscoelastic-magnetorheological sandwiches

Irazu

Elejabarrieta

2019

Smart Mater. Struct.

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Determination of losses’ local distribution for transformer optimal designing

Clénet¹,

Cros

Piriou³

et al. 2001

COMPEL - The International Journal for Computation and Mathematics in Electrical and Electronic Engineering

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This paper presents the development of a procedure for the determination of the local magnetic loss distribution in transformer cores. An efficient identification method of the parameters of the Jiles-Atherton model is first described. This method uses nonlinear optimization techniques and several experimental loops with different magnitudes, or measurements obtained with a low frequency supply signal, for a precise determination of the hysteresis model parameters. It is validated by the identification of two different kinds of magnetic materials: a standard laminated material made of 1008 steel and a soft magnetic composite Atomet-EM1. The implementation of the hysteresis Jiles-Atherton model in a 2D field calculation tool is detailed. The field calculation procedure is illustrated by two application examples involving single phase tranformers with cores made of the soft magnetic composite Atomet-EM1.

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Brush DC motors with concentrated windings and soft magnetic composites armatures

Cros

Viarouge²,

Halila³

Conference Record of the 2001 IEEE Industry Applications Conference. 36th IAS Annual Meeting (Cat. No.01CH37248)

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Effect of Temperature on Properties of Iron-Resin Composites for Automotive Applications

Cited by 6 publications

References 4 publications

Effect of magneto-elastic force on magneto-dynamic model of viscoelastic-magnetorheological sandwiches

Effect of magneto-elastic force on magneto-dynamic model of viscoelastic-magnetorheological sandwiches

Determination of losses’ local distribution for transformer optimal designing

Brush DC motors with concentrated windings and soft magnetic composites armatures

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