Influence on the hysteresis loss of iron powder cores from the strain induced during the compaction process

Takuya Takashita, Naomichi Nakamura, Yukiko Ozaki

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The relationship between hysteresis loss (coercive force) and microstructure is discussed in terms of recrystallization. The crystal grain size in the iron powder cores increases with a decrease in the strain induced during the compaction process. It is attributed to the recrystallization behavior during the annealing after the compaction. A grain boundary pinning model well describes the relationship between the coercive force and crystal grain size. The effect of the remaining strain in the iron powder cores after annealing on coercive force is also discussed.

Original languageEnglish
Title of host publicationAdvances in Powder Metallurgy and Particulate Materials - 2013, Proceedings of the 2013 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2013
Pages10140-10149
Number of pages10
Publication statusPublished - Dec 18 2013
Externally publishedYes
Event2013 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2013 - Chicago, IL, United States
Duration: Jun 24 2013Jun 27 2013

Publication series

NameAdvances in Powder Metallurgy and Particulate Materials - 2013, Proceedings of the 2013 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2013

Other

Other2013 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2013
CountryUnited States
CityChicago, IL
Period6/24/136/27/13

Fingerprint

Iron powder
Coercive force
Hysteresis
Compaction
Annealing
Crystals
Grain boundaries
Microstructure

All Science Journal Classification (ASJC) codes

  • Materials Chemistry
  • Metals and Alloys

Cite this

Takashita, T., Nakamura, N., & Ozaki, Y. (2013). Influence on the hysteresis loss of iron powder cores from the strain induced during the compaction process. In Advances in Powder Metallurgy and Particulate Materials - 2013, Proceedings of the 2013 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2013 (pp. 10140-10149). (Advances in Powder Metallurgy and Particulate Materials - 2013, Proceedings of the 2013 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2013).

Influence on the hysteresis loss of iron powder cores from the strain induced during the compaction process. / Takashita, Takuya; Nakamura, Naomichi; Ozaki, Yukiko.

Advances in Powder Metallurgy and Particulate Materials - 2013, Proceedings of the 2013 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2013. 2013. p. 10140-10149 (Advances in Powder Metallurgy and Particulate Materials - 2013, Proceedings of the 2013 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2013).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Takashita, T, Nakamura, N & Ozaki, Y 2013, Influence on the hysteresis loss of iron powder cores from the strain induced during the compaction process. in Advances in Powder Metallurgy and Particulate Materials - 2013, Proceedings of the 2013 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2013. Advances in Powder Metallurgy and Particulate Materials - 2013, Proceedings of the 2013 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2013, pp. 10140-10149, 2013 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2013, Chicago, IL, United States, 6/24/13.
Takashita T, Nakamura N, Ozaki Y. Influence on the hysteresis loss of iron powder cores from the strain induced during the compaction process. In Advances in Powder Metallurgy and Particulate Materials - 2013, Proceedings of the 2013 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2013. 2013. p. 10140-10149. (Advances in Powder Metallurgy and Particulate Materials - 2013, Proceedings of the 2013 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2013).
Takashita, Takuya ; Nakamura, Naomichi ; Ozaki, Yukiko. / Influence on the hysteresis loss of iron powder cores from the strain induced during the compaction process. Advances in Powder Metallurgy and Particulate Materials - 2013, Proceedings of the 2013 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2013. 2013. pp. 10140-10149 (Advances in Powder Metallurgy and Particulate Materials - 2013, Proceedings of the 2013 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2013).
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