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

Takuya Takashita; Naomichi Nakamura; Yukiko Ozaki

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 proceeding › Conference 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 language	English
Title of host publication	Advances in Powder Metallurgy and Particulate Materials - 2013, Proceedings of the 2013 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2013
Pages	10140-10149
Number of pages	10
Publication status	Published - 2013
Externally published	Yes
Event	2013 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2013 - Chicago, IL, United States Duration: Jun 24 2013 → Jun 27 2013

Publication series

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

Other

Other	2013 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2013
Country/Territory	United States
City	Chicago, IL
Period	6/24/13 → 6/27/13

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 proceeding › Conference 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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AB - 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.

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

Abstract

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