KR910012276A - 고자속밀도 방향성 전기강판의 소둔분리도포제 - Google Patents

고자속밀도 방향성 전기강판의 소둔분리도포제 Download PDF

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Publication number
KR910012276A
KR910012276A KR1019890019990A KR890019990A KR910012276A KR 910012276 A KR910012276 A KR 910012276A KR 1019890019990 A KR1019890019990 A KR 1019890019990A KR 890019990 A KR890019990 A KR 890019990A KR 910012276 A KR910012276 A KR 910012276A
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KR
South Korea
Prior art keywords
annealing separator
magnetic flux
flux density
high magnetic
annealing
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KR1019890019990A
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English (en)
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KR920010227B1 (ko
Inventor
최규승
Original Assignee
정명식
포항종합제철 주식회사
박태준
재단법인 산업과학기술연구소
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Application filed by 정명식, 포항종합제철 주식회사, 박태준, 재단법인 산업과학기술연구소 filed Critical 정명식
Priority to KR1019890019990A priority Critical patent/KR920010227B1/ko
Publication of KR910012276A publication Critical patent/KR910012276A/ko
Application granted granted Critical
Publication of KR920010227B1 publication Critical patent/KR920010227B1/ko

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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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/68—Temporary coatings or embedding materials applied before or during heat treatment

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

Abstract

내용 없음

Description

고자속밀도 방향성 전기강판의 소둔분리도포제
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (1)

  1. 중량%로 Si : 2.8-3.2%, Mn : 0.040-0.120%, S : 0.010-0.030%, N : 0.005-0.020%, AI : 0.010-0.050% C : 0.020-0.150% 및 잔부 Fe로 조성된 고자속밀도 방향성 전기강판을 통상이 방법에 의해 열간압연 및 냉간압연을 거쳐 탈탄 소둔한 탈탄소둔판에 소둔분리제가 도포되되, 그 조성이 MgO의 구연산활성화도 100-200초의 저활성의 MgO 또는 여기에 TiO2 나 B 화합물등을 보조제로 첨가하여 이루어지는 것을 특징으로 하는 고자속밀도 방향성 전기강판의 소둔분리도포제.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890019990A 1989-12-28 1989-12-28 고자속밀도 방향성 전기강판의 소둔분리도포제 KR920010227B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890019990A KR920010227B1 (ko) 1989-12-28 1989-12-28 고자속밀도 방향성 전기강판의 소둔분리도포제

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890019990A KR920010227B1 (ko) 1989-12-28 1989-12-28 고자속밀도 방향성 전기강판의 소둔분리도포제

Publications (2)

Publication Number Publication Date
KR910012276A true KR910012276A (ko) 1991-08-07
KR920010227B1 KR920010227B1 (ko) 1992-11-21

Family

ID=19294047

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890019990A KR920010227B1 (ko) 1989-12-28 1989-12-28 고자속밀도 방향성 전기강판의 소둔분리도포제

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KR (1) KR920010227B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004044252A1 (en) * 2002-11-11 2004-05-27 Posco Method for manufacturing high silicon grain-oriented electrical steel sheet with superior core loss property

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101965693B1 (ko) 2017-10-17 2019-04-03 주식회사 대린이엔텍 솔라 집열판 부착형 온수난방장치
KR102080168B1 (ko) * 2017-12-26 2020-02-21 주식회사 포스코 방향성 전기강판용 소둔 분리제 조성물, 소둔 분리제용 산화 마그네슘의 제조 방법 및 방향성 전기강판의 제조방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004044252A1 (en) * 2002-11-11 2004-05-27 Posco Method for manufacturing high silicon grain-oriented electrical steel sheet with superior core loss property

Also Published As

Publication number Publication date
KR920010227B1 (ko) 1992-11-21

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