Influence of Different Cutting Techniques on the Magnetic Characteristics of Electrical Steels Determined by a Permeameter

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Abstract

In this paper, the influence of three different cutting techniques, in particular mechanical cutting, solid-state laser cutting, and carbon dioxide laser cutting, on the quasi-static hysteresis curves of three different materials, commonly used with electric machines, is investigated. Furthermore, the additional effects of sample size and cutting direction are discussed. In contrast to the commonly used Epstein frame or ring sample tests, the examinations are carried out with a permeameter. A significantly different shape of the hysteresis curves of the small laser-cut in contrast to the mechanically cut samples is found. Furthermore, for some samples a point of intersection is observed above which the magnetic behavior of laser-cut samples is better than that of the mechanically cut samples.

Original languageEnglish
Pages (from-to)971-981
Number of pages11
JournalIEEE Transactions on Industry Applications
Volume53
Issue number2
Early online date2016
DOIs
Publication statusPublished - 1 Mar 2017

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Steel
Hysteresis
Carbon dioxide lasers
Electric machinery
Lasers
Solid state lasers

Keywords

  • Degradation
  • electrical sheet
  • ferromagnetic material
  • hysteresis
  • laser
  • mechanical cutting
  • permeameter
  • quasi-static

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

Cite this

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abstract = "In this paper, the influence of three different cutting techniques, in particular mechanical cutting, solid-state laser cutting, and carbon dioxide laser cutting, on the quasi-static hysteresis curves of three different materials, commonly used with electric machines, is investigated. Furthermore, the additional effects of sample size and cutting direction are discussed. In contrast to the commonly used Epstein frame or ring sample tests, the examinations are carried out with a permeameter. A significantly different shape of the hysteresis curves of the small laser-cut in contrast to the mechanically cut samples is found. Furthermore, for some samples a point of intersection is observed above which the magnetic behavior of laser-cut samples is better than that of the mechanically cut samples.",
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AB - In this paper, the influence of three different cutting techniques, in particular mechanical cutting, solid-state laser cutting, and carbon dioxide laser cutting, on the quasi-static hysteresis curves of three different materials, commonly used with electric machines, is investigated. Furthermore, the additional effects of sample size and cutting direction are discussed. In contrast to the commonly used Epstein frame or ring sample tests, the examinations are carried out with a permeameter. A significantly different shape of the hysteresis curves of the small laser-cut in contrast to the mechanically cut samples is found. Furthermore, for some samples a point of intersection is observed above which the magnetic behavior of laser-cut samples is better than that of the mechanically cut samples.

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