A new composite material with soft magnetic properties

Walter, A.; Esper, F. J.; Gohl, W.; Schweikhardt, J.

doi:10.1016/0304-8853(80)90359-5

Cited by 7 publications

(2 citation statements)

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“…can be used to produce sufficient mechanical strength and electrical resistivity 3 and in order to compact SMC materials, classical as well as unconventional methods have been used. 4,5 Some technical applications of these materials as magnetic cores are presented in Walter et al 6 and Hultman and Jack. 7 Because the presence of the insulation layer is a necessity for SMCs, these materials cannot be sintered and are used under the as compacted condition or after a low temperature thermal treatment.…”

Section: Introductionmentioning

confidence: 99%

Effect of processing parameters on electrical, mechanical and magnetic properties of iron–resin soft magnetic composite

Hemmati¹,

Hosseini²,

Miraghaei³

2007

Powder Metallurgy

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In the present paper, a practical thermal treatment process has been introduced to stress relieve the iron powders in a soft magnetic composite. The composites were pressed and treated at different pressures and temperatures. Also, some of the samples were treated for various periods of time at 200uC. Density, electrical resistivity and transverse rupture strength of the samples were measured and fracture surfaces were studied by SEM. A series of tests were performed to determine the DC magnetic properties of the samples. It has been shown that there are optimum amounts of resin content and compaction pressure and temperature, rather than time is the dominant factor in stress relief of the iron powders.

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Section: Introductionmentioning

confidence: 99%

Effect of processing parameters on electrical, mechanical and magnetic properties of iron–resin soft magnetic composite

Hemmati¹,

Hosseini²,

Miraghaei³

2007

Powder Metallurgy

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“…In order to compact the soft magnetic composite materials, classical as well as unconventional methods are used [4,5]. Generally, these materials have worse magnetic properties than ferromagnetic sintered ones, but they have high electrical resistivity, and consequently very small core losses, being from this point of view useful for high-frequency applications [1,2,6]. Some technical applications of the soft magnetic composite materials as magnetic cores are presented in Refs.…”

mentioning

confidence: 99%

Soft magnetic composite based on mechanically alloyed nanocrystalline Ni3Fe phase

Chicinaş¹,

Geoffroy²,

Isnard³

et al. 2005

Journal of Magnetism and Magnetic Materials

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Surface and electrical studies of Fe–Si–B powders for soft magnetic applications

Godec

Mandrino

Šuštaršič

et al. 2002

Surface & Interface Analysis

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Soft magnetic composite (SMC) materials for soft magnetic applications were developed. The most important property of SMC materials, especially those used in a high-frequency range, is that the soft magnetic powder particles are well insulated from each other. Alloy Fe-Si-B powders were prepared by water atomization. The surface of microcrystalline powders was heat treated in dry or wet hydrogen, chemically treated and investigated by AES and XPS. The electrical breakdown voltages of the powders and SMCs were measured.

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A new composite material with soft magnetic properties

Cited by 7 publications

References 0 publications

Effect of processing parameters on electrical, mechanical and magnetic properties of iron–resin soft magnetic composite

Effect of processing parameters on electrical, mechanical and magnetic properties of iron–resin soft magnetic composite

Soft magnetic composite based on mechanically alloyed nanocrystalline Ni3Fe phase

Surface and electrical studies of Fe–Si–B powders for soft magnetic applications

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