WO2009091216A3 - 무방향성 전기강판의 제조 방법 및 이를 이용하여 제조된 무방향성 전기강판 - Google Patents

무방향성 전기강판의 제조 방법 및 이를 이용하여 제조된 무방향성 전기강판 Download PDF

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Publication number
WO2009091216A3
WO2009091216A3 PCT/KR2009/000254 KR2009000254W WO2009091216A3 WO 2009091216 A3 WO2009091216 A3 WO 2009091216A3 KR 2009000254 W KR2009000254 W KR 2009000254W WO 2009091216 A3 WO2009091216 A3 WO 2009091216A3
Authority
WO
WIPO (PCT)
Prior art keywords
steel sheet
electrical steel
oriented electrical
sheet material
metal sheet
Prior art date
Application number
PCT/KR2009/000254
Other languages
English (en)
French (fr)
Other versions
WO2009091216A2 (ko
Inventor
성진경
Original Assignee
Sung Jin Kyung
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sung Jin Kyung filed Critical Sung Jin Kyung
Publication of WO2009091216A2 publication Critical patent/WO2009091216A2/ko
Publication of WO2009091216A3 publication Critical patent/WO2009091216A3/ko

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Classifications

    • 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
    • C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • C21D8/1233—Cold rolling
    • 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
    • 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
    • C21D1/26—Methods of annealing
    • C21D1/30—Stress-relieving
    • 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
    • C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1272—Final recrystallisation annealing
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • C21D2201/00—Treatment for obtaining particular effects
    • C21D2201/03—Amorphous or microcrystalline structure
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite

Abstract

본 발명은 관통형 주상정 입자를 포함하는 {100} 섬유 집합조직으로 이루어지고 철 또는 철계 합금으로 구성된 금속판재를 준비하는 단계, 상기 금속판재를 20% 이하의 압하율 하에서 냉간 압연함으로써 상기 금속판재의 표면 조도를 감소시키는 단계, 및 상기 냉간 압연된 금속판재의 잔류 응력 제거를 위하여 페라이트 상(α)이 안정한 온도 하에서 제2 열처리하는 단계를 포함하는 무방향성 전기강판의 제조방법을 제공한다.
PCT/KR2009/000254 2008-01-16 2009-01-16 무방향성 전기강판의 제조 방법 및 이를 이용하여 제조된 무방향성 전기강판 WO2009091216A2 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020080004998A KR20090079056A (ko) 2008-01-16 2008-01-16 무방향성 전기강판의 제조 방법 및 이를 이용하여 제조된무방향성 전기강판
KR10-2008-0004998 2008-01-16

Publications (2)

Publication Number Publication Date
WO2009091216A2 WO2009091216A2 (ko) 2009-07-23
WO2009091216A3 true WO2009091216A3 (ko) 2009-10-22

Family

ID=40885816

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2009/000254 WO2009091216A2 (ko) 2008-01-16 2009-01-16 무방향성 전기강판의 제조 방법 및 이를 이용하여 제조된 무방향성 전기강판

Country Status (2)

Country Link
KR (1) KR20090079056A (ko)
WO (1) WO2009091216A2 (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103252626B (zh) * 2013-05-24 2016-04-20 北京科技大学 一种短流程高成材率制备高硅电工钢带材的方法
CN109868349B (zh) * 2019-04-04 2020-02-11 中山市中圣金属板带科技有限公司 一种采用超快冷工艺生产全工艺冷轧无取向电工钢35wd1900的方法
CN112326084B (zh) * 2020-10-14 2021-09-14 北京科技大学 一种利用x射线测量含织构材料残余应力的方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR890002031B1 (ko) * 1985-10-08 1989-06-08 포항종합제철 주식회사 자성이 우수한 방향성 규소강판
JPH0757887B2 (ja) * 1989-05-24 1995-06-21 株式会社神戸製鋼所 ｛１００｝〈ｕｖｗ〉集合組織の発達した無方向性電磁鋼板の製造方法
JP2535963B2 (ja) * 1987-10-19 1996-09-18 住友金属工業株式会社 磁気特性の優れた珪素鋼板およびその製造方法
US5913987A (en) * 1996-12-13 1999-06-22 Pohang Iron & Steel Co., Ltd. Finish treatment method and silicon steel sheet manufactured by direct casting method
JP2001059145A (ja) * 1999-06-16 2001-03-06 Sumitomo Metal Ind Ltd 無方向性電磁鋼板およびその製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR890002031B1 (ko) * 1985-10-08 1989-06-08 포항종합제철 주식회사 자성이 우수한 방향성 규소강판
JP2535963B2 (ja) * 1987-10-19 1996-09-18 住友金属工業株式会社 磁気特性の優れた珪素鋼板およびその製造方法
JPH0757887B2 (ja) * 1989-05-24 1995-06-21 株式会社神戸製鋼所 ｛１００｝〈ｕｖｗ〉集合組織の発達した無方向性電磁鋼板の製造方法
US5913987A (en) * 1996-12-13 1999-06-22 Pohang Iron & Steel Co., Ltd. Finish treatment method and silicon steel sheet manufactured by direct casting method
JP2001059145A (ja) * 1999-06-16 2001-03-06 Sumitomo Metal Ind Ltd 無方向性電磁鋼板およびその製造方法

Also Published As

Publication number Publication date
WO2009091216A2 (ko) 2009-07-23
KR20090079056A (ko) 2009-07-21

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