Title:
NON-ORIENTED ELECTRICAL STEEL SHEET, IRON CORE, IRON CORE MANUFACTURING METHOD, AND MOTOR MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/008513
Kind Code:
A1
Abstract:
This non-oriented electrical steel sheet: contains, as a chemical component, 1.0–5.0 mass% of silicon; has a sheet thickness of 0.10–0.35 mm; and has an average crystal grain size of 30–200 μm. Moreover, a value X, defined as X = (2 × B50L + B50C)/(3 × ls), is 0.800 or more; and the iron loss 10/1k is 80 W/kg or less.
Inventors:
TANAKA ICHIRO (JP)
WAKISAKA TAKEAKI (JP)
WAKISAKA TAKEAKI (JP)
Application Number:
PCT/JP2022/029067
Publication Date:
February 02, 2023
Filing Date:
July 28, 2022
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
C21D8/12; C22C38/00; C22C38/60; H01F1/147
Domestic Patent References:
| WO2013069754A1 | 2013-05-16 |
Foreign References:
| JP2011236486A | 2011-11-24 | |||
| JPH02232319A | 1990-09-14 | |||
| JPH0888114A | 1996-04-02 | |||
| JP2005200756A | 2005-07-28 | |||
| JP2021126289A | 2021-09-02 | |||
| JP5447167B2 | 2014-03-19 | |||
| JP5716315B2 | 2015-05-13 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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