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1. WO2020091043 - NON-ORIENTED ELECTROMAGNETIC STEEL SHEET

Publication Number WO/2020/091043
Publication Date 07.05.2020
International Application No. PCT/JP2019/043039
International Filing Date 01.11.2019
IPC
C21D 8/12 2006.01
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS
8Modifying the physical properties by deformation combined with, or followed by, heat treatment
12during manufacturing of articles with special electromagnetic properties
C22C 38/00 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
38Ferrous alloys, e.g. steel alloys
C22C 38/60 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
38Ferrous alloys, e.g. steel alloys
60containing lead, selenium, tellurium or antimony, or more than 0.04% by weight of sulfur
H01F 1/147 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
1Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
01of inorganic materials
03characterised by their coercivity
12of soft-magnetic materials
14metals or alloys
147Alloys characterised by their composition
Applicants
  • 日本製鉄株式会社 NIPPON STEEL CORPORATION [JP]/[JP]
Inventors
  • 屋鋪 裕義 YASHIKI Hiroyoshi
  • 名取 義顕 NATORI Yoshiaki
  • 冨田 美穂 TOMITA Miho
  • 竹田 和年 TAKEDA Kazutoshi
  • 松本 卓也 MATSUMOTO Takuya
Agents
  • 棚井 澄雄 TANAI Sumio
  • 寺本 光生 TERAMOTO Mitsuo
  • 勝俣 智夫 KATSUMATA Tomoo
  • 山口 洋 YAMAGUCHI Yoh
Priority Data
2018-20696902.11.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) NON-ORIENTED ELECTROMAGNETIC STEEL SHEET
(FR) FEUILLE D'ACIER ÉLECTROMAGNÉTIQUE NON ORIENTÉE
(JA) 無方向性電磁鋼板
Abstract
(EN)
The base material of this non-oriented electromagnetic steel sheet has a predetermined chemical composition satisfying formula [Si+0.5×Mn≥4.3], wherein the average crystalline particle diameter of the base material is more than 40 μm but not more than 120 μm.
(FR)
Le matériau de base de cette tôle d'acier électromagnétique non orientée présente une composition chimique prédéterminée répondant à la formule [Si +0,5 × Mn ≥ 4,3], le diamètre moyen des particules cristallines du matériau de base étant supérieur à 40 µm mais inférieur ou égal à 120 µm.
(JA)
この無方向性電磁鋼板は、母材が式[Si+0.5×Mn≧4.3]を満足する所定の化学組成を有し、前記母材の平均結晶粒径が、40μmを超えて120μm以下である。
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