KR930002522A - High magnetic flux density oriented electrical steel with excellent iron loss characteristics and manufacturing method - Google Patents

High magnetic flux density oriented electrical steel with excellent iron loss characteristics and manufacturing method Download PDF

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Publication number
KR930002522A
KR930002522A KR1019910011894A KR910011894A KR930002522A KR 930002522 A KR930002522 A KR 930002522A KR 1019910011894 A KR1019910011894 A KR 1019910011894A KR 910011894 A KR910011894 A KR 910011894A KR 930002522 A KR930002522 A KR 930002522A
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KR
South Korea
Prior art keywords
oriented electrical
magnetic flux
flux density
electrical steel
iron loss
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Application number
KR1019910011894A
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Korean (ko)
Other versions
KR930004847B1 (en
Inventor
이청산
유종수
최규승
Original Assignee
정명식
포항종합제철 주식회사
백덕현
재단법인 산업과학기술연구소
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Priority to KR1019910011894A priority Critical patent/KR930004847B1/en
Publication of KR930002522A publication Critical patent/KR930002522A/en
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Publication of KR930004847B1 publication Critical patent/KR930004847B1/en

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    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)

Abstract

내용 없음.No content.

Description

철손특성이 우수한 고자속밀도 방향성 전기강판 및 그 제조방법High magnetic flux density oriented electrical steel with excellent iron loss characteristics and manufacturing method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 Si함량에 따른 2차 재결정 발생율 및 2차 재결정의 방향성(자속밀도)의 변화를 나타낸 그래프, 제2도는 본 발명에 따라 W첨가시 탈탄소둔시간에 따른 최종제품에서의 잔류탄소량 및 자기특성(자속밀도, 철손)의 관계를 나타낸 그래프.1 is a graph showing the variation of the secondary recrystallization incidence and the direction (secondary magnetic flux density) of the secondary recrystallization according to the Si content of the present invention, Figure 2 is a residual in the final product according to the decarbonization annealing time when adding W according to the present invention Graph showing the relationship between carbon content and magnetic properties (magnetic flux density, iron loss).

Claims (2)

중량%로, Si：2.50-4.00%, Mn：0.030-0.150%, Sn：0.030-0.300%, Cu：0.030-0.300%, W：0.020-0.200%, 잔부 Fe 및 미량의 불가피한 불순물로 조성되는 것을 특징으로 하는 철손특성이 우수한 고자속밀도 방향성 전기강판.In terms of weight percent, Si: 2.50-4.00%, Mn: 0.030-0.150%, Sn: 0.030-0.300%, Cu: 0.030-0.300%, W: 0.020-0.200%, balance Fe and traces of unavoidable impurities High magnetic flux density oriented electrical steel with excellent iron loss characteristics. 중량%로, C：0.030-0.150%, Si：2.50-4.00%, Mn：0.030-0.150%, S：0.010-0.050%, 산가용성 Al：0.010-0.050%, N：0.0030-0.0120%, Sn：0.030-0.300%, Cu：0.030-0.300%를 기본성분으로 함유하는 규소강을 슬라브를 용융하여 용강을 제조한 다음 통상의 열간압연, 석출소둔, 냉간압연 탈탄소둔 및 고온소둔을 거쳐 장력코팅하는 고자속밀도 방향성 전기강판의 제조에 있어서, 상기 규소강 슬리브의 용강 단계에서 W：0.020-0.200%를 첨가하는 것을 특징으로 하는 철손특성이 우수한 고자속밀도 방향성 전기강판의 제조방법.By weight%, C: 0.030-0.150%, Si: 2.50-4.00%, Mn: 0.030-0.150%, S: 0.010-0.050%, acid-soluble Al: 0.010-0.050%, N: 0.0030-0.0120%, Sn: Sintered molten silicon steel containing 0.030-0.300% and Cu: 0.030-0.300% as a basic component to prepare molten steel and then tension coating through ordinary hot rolling, precipitation annealing, cold rolling decarbon annealing, and high temperature annealing. A method of manufacturing a high magnetic flux density oriented electrical steel sheet having excellent iron loss characteristics, wherein the high-density oriented electrical steel sheet is added in the molten steel stage of the silicon steel sleeve. ※참고사항:최초출원 내용에 의하여 공개하는 것임.※ Note: This is to be disclosed based on the first application.
KR1019910011894A 1991-07-12 1991-07-12 Oriented electrical steel sheet having a good high magnetic flux and its making process KR930004847B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910011894A KR930004847B1 (en) 1991-07-12 1991-07-12 Oriented electrical steel sheet having a good high magnetic flux and its making process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910011894A KR930004847B1 (en) 1991-07-12 1991-07-12 Oriented electrical steel sheet having a good high magnetic flux and its making process

Publications (2)

Publication Number Publication Date
KR930002522A true KR930002522A (en) 1993-02-23
KR930004847B1 KR930004847B1 (en) 1993-06-09

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Application Number Title Priority Date Filing Date
KR1019910011894A KR930004847B1 (en) 1991-07-12 1991-07-12 Oriented electrical steel sheet having a good high magnetic flux and its making process

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100276279B1 (en) * 1996-08-05 2000-12-15 이구택 The manufacturing method for fully process non oriented electric steel sheet with excellent low hysterisis

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100276279B1 (en) * 1996-08-05 2000-12-15 이구택 The manufacturing method for fully process non oriented electric steel sheet with excellent low hysterisis

Also Published As

Publication number Publication date
KR930004847B1 (en) 1993-06-09

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