A thermographic camera method for measuring the core loss distribution

Shimoji, Hiroyasu; Todaka, Takashi; Aihara, Shigeru

doi:10.1016/j.jmmm.2020.166679

Cited by 2 publications

(1 citation statement)

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“…The in-situ experiment may be a useful method to measure the magnetic properties of the joined electrical steels. For example, the temperature distribution in the joined electrical steels may be in-situ measured by the thermal imager [ 102 ], which could be used to validate the energy loss distribution in the electrical steels calculated by the thermal finite element model. The variation of the magnetic domain in the electrical steel at the external load condition under the alternating magnetic field environment may be in-situ measured by the neutron grating interferometry [ 103 ], magnetic force microscopy [ 104 ], magneto-optical indicator film [ 105 ], which could help understand the stress induced magnetic properties degradation.…”

Section: Summary and Future Developmentmentioning

confidence: 99%

Joining of the Laminated Electrical Steels in Motor Manufacturing: A Review

Xia

Wang

et al. 2020

Materials

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In recent years, the motor has been increasingly used to replace the conventional gasoline engine for carbon emission reduction, and the high-performance motor is urgently required. The stator and rotor in a motor are made of hundreds of joined and laminated electrical steels. This paper covers the current research in joining the laminated electrical steels for the motor application, together with the critical assessment of our understanding. It includes the representative joining method, modeling of the joining process, microstructure of the weld zone, mechanical strength and magnetic properties. The gaps in the scientific understanding, and the research needs for the expansion of joining laminated electrical steels, are provided.

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