KR900000488A - Manufacturing method of oriented electrical steel sheet having excellent adhesion and magnetic properties of glass film - Google Patents

Manufacturing method of oriented electrical steel sheet having excellent adhesion and magnetic properties of glass film Download PDF

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Publication number
KR900000488A
KR900000488A KR1019880007469A KR880007469A KR900000488A KR 900000488 A KR900000488 A KR 900000488A KR 1019880007469 A KR1019880007469 A KR 1019880007469A KR 880007469 A KR880007469 A KR 880007469A KR 900000488 A KR900000488 A KR 900000488A
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KR
South Korea
Prior art keywords
steel sheet
compound
electrical steel
magnetic properties
excellent adhesion
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Application number
KR1019880007469A
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Korean (ko)
Other versions
KR910001106B1 (en
Inventor
이석주
최규승
Original Assignee
박태준
재단법인 산업과학기술연구소
정명식
포항종합제철 주식회사
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Priority to KR1019880007469A priority Critical patent/KR910001106B1/en
Publication of KR900000488A publication Critical patent/KR900000488A/en
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Publication of KR910001106B1 publication Critical patent/KR910001106B1/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)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Chemical Treatment Of Metals (AREA)

Abstract

내용 없음.No content.

Description

그라스피막의 밀착성과 자기특성이 우수한 방향성 전기강판의 제조방법Manufacturing method of oriented electrical steel sheet having excellent adhesion and magnetic properties of glass film

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

Claims (2)

최종두께로 냉간압연한 전기강판을 습한 수소분위기 중에서 탈탄소둔하여 SiO2를 주성분으로하는 산화층을 강판표면에 형성시킨 후 MgO를 주성분으로 하는 소둔분리제를 강판표면에 도포하여 최종소둔을 하는 방향성 전기강판의 제조방법에 있어서, 탈탄소둔후의 강판표면 산화층의 산소량을 300ppm내지 1200ppm으로 제어하고, 이 산화함유량에 대응하여 소둔분리제인 MgO중에 첨가물로서 (a)Mn화합물, (b)Cr화합물,(c)V화합물, (d)Zr화합물 및 (e) Ti화합물로 구성된 그룹중에서 일종 또는 이종이상을 다음식에 따라서, X-2 X범위로 첨가한 소둔분리제를 통상의 방법으로 도포하고 최종소둔함을 특징으로 하는 그라스피막의 밀착성 및 자기특성이 우수한 방향성 전기강판의 제조방법.The cold rolled electrical steel sheet to the final thickness was decarbonized in a wet hydrogen atmosphere to form an oxide layer containing SiO 2 as a main component on the surface of the steel sheet, and then applied to the surface of the steel sheet by applying an annealing separator mainly composed of MgO. In the method for producing a steel sheet, the amount of oxygen in the surface oxide layer of the steel sheet after decarbonization annealing is controlled to 300 ppm to 1200 ppm, and correspondingly to the oxidation content, (a) Mn compound, (b) Cr compound, (c) Annealing separator added in the form of (V), (D) Zr, and (e) Ti compound in the X-2 X range according to the following formula is applied and final annealing Method for producing a grain-oriented electrical steel sheet having excellent adhesion and magnetic properties of the glass film. 여기서, X : 첨가화합물의 양(wt%)Where X: amount of additive compound (wt%) Y : 강판의 산소함유량(ppm)Y: Oxygen content of steel sheet (ppm) 제1항에 있어서, 상기 소둔분리제의 주성분인 MgO의 수화수분의 양이 1wt%이하가 되도록함을 특징으로 하는 그라스피막 및 자기특성이 우수한 방향성 전기강판의 제조방법.The method of claim 1, wherein the amount of hydrated water of MgO, which is a main component of the annealing separator, is 1 wt% or less. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880007469A 1988-06-21 1988-06-21 Making process for electric steel sheet KR910001106B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880007469A KR910001106B1 (en) 1988-06-21 1988-06-21 Making process for electric steel sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880007469A KR910001106B1 (en) 1988-06-21 1988-06-21 Making process for electric steel sheet

Publications (2)

Publication Number Publication Date
KR900000488A true KR900000488A (en) 1990-01-30
KR910001106B1 KR910001106B1 (en) 1991-02-23

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ID=19275368

Family Applications (1)

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KR1019880007469A KR910001106B1 (en) 1988-06-21 1988-06-21 Making process for electric steel sheet

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KR (1) KR910001106B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100762436B1 (en) * 2006-10-18 2007-10-02 주식회사 포스코 Annealing separating agent for grain oriented silicon steel sheet excellent in surface characteristic and production method of grain oriented silicon steel sheet using the same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101296131B1 (en) * 2011-09-05 2013-08-19 주식회사 포스코 Oriented-electrical sheets with excellent glass-coating adhesion force and magnetic properties and manufacturing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100762436B1 (en) * 2006-10-18 2007-10-02 주식회사 포스코 Annealing separating agent for grain oriented silicon steel sheet excellent in surface characteristic and production method of grain oriented silicon steel sheet using the same

Also Published As

Publication number Publication date
KR910001106B1 (en) 1991-02-23

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