高珪素鋼板 - jfe Steel Corporation

Title:

高珪素鋼板

Document Type and Number:

Japanese Patent JP4710359

Kind Code:

B2

Abstract:

To obtain a high-silicon steel sheet having excellent high-frequency core loss characteristics by effectively suppressing grain growth without inhibiting magnetic domain wall migration.

The steel sheet has a chemical composition containing, by mass, ≤0.02% C, 4.5 to 7.5% Si, ≤2.0% Mn, ≤3.0% Al, ≤0.2% P, ≤0.02% N and ≤0.02% O, also containing 0.005 to 1.0% of precipitates which form into a liquid phase at 1,100 to 1,300°C, and having the balance Fe with inevitable impurities.

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Inventors:

Minoru Takashima

Application Number:

JP2005066894A

Publication Date:

June 29, 2011

Filing Date:

March 10, 2005

Export Citation:

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Assignee:

jfe Steel Corporation

International Classes:

C22C38/00; C22C38/06; B22D1/00; C21D9/46; C23C10/08; H01F1/16

Domestic Patent References:

JP2001254155A

Attorney, Agent or Firm:

Kenji Sugimura
Kosaku Sugimura
Hiroshi Tokunaga
Yoshiyuki Iwasa
Shiro Fujitani
Kiyoshi Kuruma
Kazuyuki Tomita

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