KR20200074100A - 균일한 두께를 갖는 강의 부분 냉간 변형을 위한 방법 - Google Patents
균일한 두께를 갖는 강의 부분 냉간 변형을 위한 방법 Download PDFInfo
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- KR20200074100A KR20200074100A KR1020207009852A KR20207009852A KR20200074100A KR 20200074100 A KR20200074100 A KR 20200074100A KR 1020207009852 A KR1020207009852 A KR 1020207009852A KR 20207009852 A KR20207009852 A KR 20207009852A KR 20200074100 A KR20200074100 A KR 20200074100A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/02—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling heavy work, e.g. ingots, slabs, blooms, or billets, in which the cross-sectional form is unimportant ; Rolling combined with forging or pressing
- B21B1/06—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling heavy work, e.g. ingots, slabs, blooms, or billets, in which the cross-sectional form is unimportant ; Rolling combined with forging or pressing in a non-continuous process, e.g. triplet mill, reversing mill
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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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
- C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
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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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0236—Cold rolling
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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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0273—Final recrystallisation annealing
-
- 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0294—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a localised treatment
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Metal Rolling (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Forging (AREA)
Abstract
Description
Claims (14)
- 냉간 변형에 의한 강의 부분 경화를 위한 방법으로서, 균일한 두께를 갖는 강판을 갖기 위해 다단계 압연 및 어닐링 공정이 재료의 종방향으로 기계적 특성 및/또는 물리적 특성에서의 상이한 값들을 갖는 적어도 2개의 영역과 함께 사용되는 것을 특징으로 하는, 방법.
- 제1항에 있어서, 상기 압연은 플렉시블 냉간 압연(flexible cold rolling)에 의해 수행되는 것을 특징으로 하는, 방법.
- 제1항에 있어서, 상기 압연은 편심 냉간 압연(eccentric cold rolling)에 의해 수행되는 것을 특징으로 하는, 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 성형도(forming degree)(Φ)는 10 ≤ Φ ≤ 60%의 범위 내에 있고, 더 바람직하게는 최대 40%이며, 상기 비(r)는 1.2 > r > 1.75의 범위 내에 있는 것을 특징으로 하는, 방법.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 변형될 재료는 바람직하게는 스테인리스 강, 더 바람직하게는 오스테나이트 스테인리스 강인 것을 특징으로 하는, 방법.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 변형될 재료는 오스테나이트 TWIP 경화 강, 더 바람직하게는 안정 오스테나이트 TWIP 강인 것을 특징으로 하는, 방법.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 상기 변형될 재료는 듀플렉스 스테인리스 강인 것을 특징으로 하는, 방법.
- 제1항에 따라 제조되는 냉간 압연 제품의 용도로서,
에어백 부시(airbag bush), 섀시-부품, 서브프레임, 필러, 크로스 부재, 채널, 대시보드 지지부, 빔 또는 로커 레일(rocker rail)과 같은 자동차 구성요소로서, 5 ≤ Φ ≤ 60%의 범위 내의 성형도(Φ)로 변형되는 적어도 2개의 연속 영역에서 상이한 기계적 값들을 갖고, 극한 하중 비(ΔF) 사이의 상기 비(r)를 갖는 것을 특징으로 하는, 냉간 압연 제품의 용도. - 제1항에 따라 제조되는 냉간 압연 제품의 용도로서, 외형상(formally) 필러 및 지붕 및 바닥의 크로스-부재가 통합되는 차량용의 하나의 폐쇄 크로스-링으로서, 5 ≤ Φ ≤ 60%의 범위 내의 성형도(Φ)로 변형되는 적어도 2개의 연속 영역에서 상이한 기계적 값들을 갖고, 극한 하중 비(ΔF) 사이의 상기 비(r)를 갖는 것을 특징으로 하는, 냉간 압연 제품의 용도.
- 제1항에 따라 제조되는 냉간 압연 제품의 용도로서, 더 높은 강도의 영역이 변형가능하지 않은 구역으로서 사용되고, 반대로, 재료의 더 높은 연성의 영역이 배터리 격실의 옆으로 돌출되는 구조상 제공된 변형 구역에 사용되는 배터리 격실 보호용의 부재로서, 5 ≤ Φ ≤ 60%의 범위 내의 성형도(Φ)로 변형되는 적어도 2개의 연속 영역에서 상이한 기계적 값들을 갖고, 극한 하중 비(ΔF) 사이의 상기 비(r)를 갖는 것을 특징으로 하는, 냉간 압연 제품의 용도.
- 제1항에 따라 제조되는 냉간 압연 제품의 용도로서, 반제품 시트, 튜브 또는 프로파일을 갖는 자동차 구성요소, 측벽, 바닥 또는 지붕과 같이 연속 길이가 ≥ 2000 mm인 철도 차량 구성요소로서, 5 ≤ Φ ≤ 60%의 범위 내의 성형도(Φ)로 변형되는 적어도 2개의 연속 영역에서 상이한 기계적 값들을 갖고, 극한 하중 비(ΔF) 사이의 상기 비(r)를 갖는 것을 특징으로 하는, 냉간 압연 제품의 용도.
- 제1항에 따라 제조되는 냉간 압연 제품의 용도로서, 배터리 전기 차량을 위한 비자성 특성을 갖는 구성요소로서, 5 ≤ Φ ≤ 60%의 범위의 성형도(Φ)로 변형되는 적어도 2개의 연속 영역에서 상이한 기계적 값들을 갖고, 1.0 > r > 2.0의 범위의, 극한 하중 비(ΔF)와 두께 비(Δt) 사이의 상기 비(r)를 갖는 것을 특징으로 하는, 냉간 압연 제품의 용도.
- 제1항에 따라 제조되는 냉간 압연 제품의 용도로서, 하이드로포밍된(hydroformed) 구성요소로서, 5 ≤ Φ ≤ 60%의 범위의 성형도(Φ)로 변형되는 적어도 2개의 연속 영역에서 상이한 기계적 값들을 갖고, 1.0 > r > 2.0의 범위의, 극한 하중 비(ΔF)와 두께 비(Δt) 사이의 상기 비(r)를 갖는 것을 특징으로 하는, 냉간 압연 제품의 용도.
- 제1항에 따라 제조되는 냉간 압연 제품의 용도로서, 반제품인 종방향-용접 튜브로서, 5 ≤ Φ ≤ 60%의 범위의 성형도(Φ)로 변형되는 적어도 2개의 연속 영역에서 상이한 기계적 값들을 갖고, 1.0 > r > 2.0의 범위의, 극한 하중 비(ΔF)와 두께 비(Δt) 사이의 상기 비(r)를 갖는 것을 특징으로 하는, 냉간 압연 제품의 용도.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17195782.2 | 2017-10-10 | ||
| EP17195782.2A EP3470145B1 (en) | 2017-10-10 | 2017-10-10 | Method for partial cold deformation of steel with homogeneous thickness |
| PCT/EP2018/077648 WO2019072937A1 (en) | 2017-10-10 | 2018-10-10 | PARTIAL COLD DEFORMATION METHOD OF HOMOGENEOUS THICK STEEL |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20200074100A true KR20200074100A (ko) | 2020-06-24 |
| KR102602823B1 KR102602823B1 (ko) | 2023-11-15 |
Family
ID=60191098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020207009852A Active KR102602823B1 (ko) | 2017-10-10 | 2018-10-10 | 균일한 두께를 갖는 강의 부분 냉간 변형을 위한 방법 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US12110571B2 (ko) |
| EP (1) | EP3470145B1 (ko) |
| JP (1) | JP7106637B2 (ko) |
| KR (1) | KR102602823B1 (ko) |
| CN (1) | CN111344074B (ko) |
| CA (1) | CA3078711A1 (ko) |
| EA (1) | EA202090792A1 (ko) |
| ES (1) | ES2911429T3 (ko) |
| MX (1) | MX2020003463A (ko) |
| PL (1) | PL3470145T3 (ko) |
| PT (1) | PT3470145T (ko) |
| TW (1) | TWI791637B (ko) |
| WO (1) | WO2019072937A1 (ko) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL3470145T3 (pl) | 2017-10-10 | 2022-06-20 | Outokumpu Oyj | Sposób częściowego odkształcania stali na zimno o jednorodnej grubości |
| CN117845030B (zh) * | 2024-01-25 | 2024-09-17 | 燕山大学 | 一种Fe-Mn-Al-C系轻质钢变厚度轧制性能梯度分布方法 |
Citations (3)
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| US20120328899A1 (en) * | 2010-02-03 | 2012-12-27 | Thyssenkrupp Steel Europe Ag | Metal Strip Having a Constant Thickness and Varying Mechanical Properties |
| JP2014530298A (ja) * | 2011-09-29 | 2014-11-17 | サンドビックインテレクチュアル プロパティー アクティエボラーグ | Twipおよびナノ双晶オーステナイト系ステンレス鋼ならびにその製造方法 |
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| PL3470145T3 (pl) | 2017-10-10 | 2022-06-20 | Outokumpu Oyj | Sposób częściowego odkształcania stali na zimno o jednorodnej grubości |
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2017
- 2017-10-10 PL PL17195782T patent/PL3470145T3/pl unknown
- 2017-10-10 EP EP17195782.2A patent/EP3470145B1/en active Active
- 2017-10-10 PT PT171957822T patent/PT3470145T/pt unknown
- 2017-10-10 ES ES17195782T patent/ES2911429T3/es active Active
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2018
- 2018-10-09 TW TW107135599A patent/TWI791637B/zh active
- 2018-10-10 CN CN201880065163.4A patent/CN111344074B/zh active Active
- 2018-10-10 US US16/755,313 patent/US12110571B2/en active Active
- 2018-10-10 MX MX2020003463A patent/MX2020003463A/es unknown
- 2018-10-10 EA EA202090792A patent/EA202090792A1/ru unknown
- 2018-10-10 CA CA3078711A patent/CA3078711A1/en active Pending
- 2018-10-10 WO PCT/EP2018/077648 patent/WO2019072937A1/en not_active Ceased
- 2018-10-10 JP JP2020520149A patent/JP7106637B2/ja active Active
- 2018-10-10 KR KR1020207009852A patent/KR102602823B1/ko active Active
Patent Citations (3)
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| JPH0760306A (ja) * | 1993-08-24 | 1995-03-07 | Daido Steel Co Ltd | 圧延装置 |
| US20120328899A1 (en) * | 2010-02-03 | 2012-12-27 | Thyssenkrupp Steel Europe Ag | Metal Strip Having a Constant Thickness and Varying Mechanical Properties |
| JP2014530298A (ja) * | 2011-09-29 | 2014-11-17 | サンドビックインテレクチュアル プロパティー アクティエボラーグ | Twipおよびナノ双晶オーステナイト系ステンレス鋼ならびにその製造方法 |
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| PL3470145T3 (pl) | 2022-06-20 |
| ES2911429T3 (es) | 2022-05-19 |
| EA202090792A1 (ru) | 2020-06-15 |
| KR102602823B1 (ko) | 2023-11-15 |
| EP3470145B1 (en) | 2022-03-16 |
| TWI791637B (zh) | 2023-02-11 |
| CN111344074A (zh) | 2020-06-26 |
| CN111344074B (zh) | 2023-07-07 |
| US20210189518A1 (en) | 2021-06-24 |
| JP7106637B2 (ja) | 2022-07-26 |
| MX2020003463A (es) | 2020-08-03 |
| PT3470145T (pt) | 2022-04-12 |
| US12110571B2 (en) | 2024-10-08 |
| JP2020536744A (ja) | 2020-12-17 |
| EP3470145A1 (en) | 2019-04-17 |
| TW201923097A (zh) | 2019-06-16 |
| CA3078711A1 (en) | 2019-04-18 |
| WO2019072937A1 (en) | 2019-04-18 |
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