The effects of excitation conditions and annealing temperature on power loss in SMC cores

Ślusarek, B.; Jankowski, B.; Szczygłowski, J.; Chwastek, Krzysztof

doi:10.15199/48.2015.04.04

Cited by 9 publications

(5 citation statements)

References 26 publications

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“…The former process offers substantial design freedom, but the magnet is limited in operation due to thermal and mechanical stability of the polymer. Additionally, the magnetic body suffers from low magnet density (typical between 60 and 80 volume %), that reduces the overall magnet efficiency [12,13] . The SPS method produces the magnets free of polymer matrix but, the technology is limited in geometry variations [14] .…”

Section: Introductionmentioning

confidence: 99%

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Net Shape 3D Printed NdFeB Permanent Magnet

et al. 2017

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Section: Introductionmentioning

confidence: 99%

“…The second goal concerns sensors and other electrical devices that operate above 100 o C, where the coercivity in NdFeB magnet decreases rapidly with the rise of temperature, risking loss of the material functionality [2,12] . To date, two encouraging avenues have been identified to be most suitable to overcome the issue.…”

Section: Introductionmentioning

confidence: 99%

Net Shape 3D Printed NdFeB Permanent Magnet

et al. 2017

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“…The proportion of the polymer in the manufactured composite hard magnet NdFeB affects the magnet's mechanical and magnetic properties [6,7]. The composite hard magnet NdFeB has many advantages: using it is a simple technology, its properties can be varied, and it has lower manufacturing costs because of its inexpensive finishing and ability to form as any shape [7,8]. There are many types of polymer materials that are generally used for the manufacture of a composite hard magnet NdFeB, such as low-and high-density polyethylene, copolymers with polystyrene end blocks and a rubbery polyethylene-butylene mid block, natural rubber, silicone polymers, polyethylene glycol and styrene butadiene rubber, and pentaerythritol tetrapolyethylene glycol ether with four thiol-modified terminals.…”

Section: Introductionmentioning

confidence: 99%

Analysis of the Physical, Mechanical, and Magnetic Properties of Hard Magnetic Composite Materials NdFeB Made Using Bakelite Polymers

Ramlan¹,

Sardjono²,

Setiabudidaya³

et al. 2019

JMAG

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Composite hard magnet NdFeB materials were made using powdered rapidly quenched Nd-Fe-B (MQP-B) and polymers (bakelite). The proportion of the polymer matrix was varied (2.0, 5.0, 7.0, and 10 wt.%). The composite hard magnet NdFeB materials were compacted using one-sided uniaxial hot pressing at 160 °C for 20 min. The bulk density of the composite hard magnet NdFeB was measured using the Archimedes method. Compression tests were carried out using the Universal Testing Machine. The results show that a permanent magnet composite with a 2 wt.% bakelite binder composition exhibits higher bulk density and superior magnetic parameters (i.e., remanence, coercivity, and energy product), but slightly lower compressive strength of approximately 845 kgf/cm 2 .

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“…There are two basic methods making soft magnetic parts by powder metallurgy: sintering and bonding magnetic particles by resin [1][2][3].…”

Section: Introductionmentioning

confidence: 99%

Mechanical Properties of Soft Magnetic Composites at the Temperature of Liquid Nitrogen

2017

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Soft magnetic composites are used in a wide range of applications working in different environmental conditions, between others, in different temperatures. Nowadays, devices often work in cryogenic temperatures. The paper shows influence of liquid nitrogen temperature on mechanical properties of soft magnetic composites prepared from ABC100.30 powder bonded by epoxy resin. Mechanical properties of samples were measured in room and liquid nitrogen temperatures. Compressive strength and transverse rapture strength increase with decreasing temperature. This type of soft magnetic composite can be applied in magnetic circuits of devices working in cryogenic temperatures. The results of measurement show that new devices, especially electric machines, working in these temperatures can be designed with higher mechanical loadings than devices working at room temperature.

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The effects of excitation conditions and annealing temperature on power loss in SMC cores

Cited by 9 publications

References 26 publications

Net Shape 3D Printed NdFeB Permanent Magnet

Net Shape 3D Printed NdFeB Permanent Magnet

Analysis of the Physical, Mechanical, and Magnetic Properties of Hard Magnetic Composite Materials NdFeB Made Using Bakelite Polymers

Mechanical Properties of Soft Magnetic Composites at the Temperature of Liquid Nitrogen

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