KR101868309B1 - 굽힘 가공성 및 내리징성이 우수한 알루미늄 합금으로 이루어진 성형가공용 알루미늄 합금 압연재의 제조 방법 - Google Patents
굽힘 가공성 및 내리징성이 우수한 알루미늄 합금으로 이루어진 성형가공용 알루미늄 합금 압연재의 제조 방법 Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/043—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
-
- 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
- B21B1/22—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 plates, strips, bands or sheets of indefinite length
- B21B1/30—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 plates, strips, bands or sheets of indefinite length in a non-continuous process
- B21B1/32—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 plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
- B21B1/36—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 plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work by cold-rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/14—Alloys based on aluminium with copper as the next major constituent with silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/16—Alloys based on aluminium with copper as the next major constituent with magnesium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/18—Alloys based on aluminium with copper as the next major constituent with zinc
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/047—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/05—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/057—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with copper as the next major constituent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B2003/001—Aluminium or its alloys
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- Crystallography & Structural Chemistry (AREA)
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Abstract
Description
도 2는 본원의 실시형태에 있어서의, 굽힘 시험 결과를 평가하기 위한 견본 샘플의 외관도이다.
Claims (4)
- Si: 0.30 내지 1.50 질량%(이하,「%」라 기재함), Mg: 0.30 내지 1.50%, Cu: 0.001 내지 1.50%를 함유하고, 0.50% 이하의 Mn, 0.40% 이하의 Cr, 0.40% 이하의 Fe 중 적어도 어느 하나를 더 포함하며, 잔부 Al 및 불가피적 불순물의 알루미늄 합금으로 이루어진 주괴(ingot)를 균질화 처리하는 공정,
상기 균질화 처리 후의 알루미늄 합금을, 500℃로부터 320℃까지의 사이에 있어서의 주괴 두께 1/4부의 평균 냉각 속도가 30℃/h 내지 2000℃/h가 되도록 냉각시키는 냉각공정,
370℃ 내지 440℃에서 열간압연을 개시하고, 열간압연된 알루미늄 합금을 310 내지 380℃에서 권취시키는 공정, 및
상기 열간압연 후의 알루미늄 합금에 대해서 총냉간압연율 65% 이상의 냉간압연을 행하는 냉간압연공정을 포함하는, 성형가공용 알루미늄 합금 압연재의 제조 방법으로서,
상기 냉각공정 후의 알루미늄 합금을, 열간압연 전에 370℃ 내지 440℃의 범위 내에서 설정되는 압연 전 가열 온도에서 0.17시간 이상 유지하는 공정을 포함하고,
또한, 상기 냉간압연공정에서 중간 소둔을 행하는 일 없이 냉간압연하는, 성형가공용 알루미늄 합금 압연재의 제조 방법이며,
상기 냉각공정 후의 알루미늄 합금을 압연 전 가열 온도에서, 하기의 식 A에 의해 산출되는 하한유지시간 이상 유지하는, 성형가공용 알루미늄 합금 압연재의 제조 방법:
하한유지시간(h) = 3(h) × Cu량계수 × 냉각속도계수 × 온도이력계수 (식 A)
단, 식 A에 의한 하한유지시간이 0.17시간 미만인 경우, 하한유지시간은 0.17시간으로 한다.
또, 식 A 중의 Cu량계수, 냉각속도계수 및 온도이력계수의 의의는 이하와 같다:
·Cu량계수: 알루미늄 합금의 Cu 함유량(%) ÷ 기준 Cu 함유량(0.7%);
·냉각속도계수: (냉각공정의 평균냉각속도(℃/h) ÷ 기준냉각속도(90℃/h))1/2; 및
·온도이력계수: 하기 (a) 또는 (b)의 열이력에 의거해서 0.3 또는 1.0으로 한다:
(a) 냉각공정에서 주괴를 320℃ 이하로 냉각시키는 일 없이, 압연 전 가열 온도에서 유지시키는 경우: 온도이력계수 = 0.3;
(b) 냉각공정에서 주괴를 320℃ 내지 실온의 범위까지 냉각시킨 후, 가열해서 압연 전 가열 온도에서 유지시키는 경우: 온도이력계수 = 1.0.
- 삭제
- 제1항에 있어서, 상기 냉간압연공정 후의 알루미늄 합금에 대한 용체화 처리 공정을 포함하는, 성형가공용 알루미늄 합금 압연재의 제조 방법.
- 제1항 및 제3항 중 어느 한 항에 있어서, 알루미늄 합금은, Mn: 0.03 내지 0.50%, Cr: 0.01 내지 0.40%, Fe: 0.03 내지 0.40% 중 적어도 어느 하나를 포함하는, 알루미늄 합금 압연재의 제조 방법.
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JP2016139812 | 2016-07-14 | ||
JPJP-P-2016-139812 | 2016-07-14 | ||
JPJP-P-2017-025445 | 2017-02-14 | ||
JP2017025445A JP6208389B1 (ja) | 2016-07-14 | 2017-02-14 | 曲げ加工性及び耐リジング性に優れたアルミニウム合金からなる成形加工用アルミニウム合金圧延材の製造方法 |
PCT/JP2017/025401 WO2018012532A1 (ja) | 2016-07-14 | 2017-07-12 | 曲げ加工性及び耐リジング性に優れたアルミニウム合金からなる成形加工用アルミニウム合金圧延材の製造方法 |
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KR1020177034331A Active KR101868309B1 (ko) | 2016-07-14 | 2017-07-12 | 굽힘 가공성 및 내리징성이 우수한 알루미늄 합금으로 이루어진 성형가공용 알루미늄 합금 압연재의 제조 방법 |
KR1020187035956A Withdrawn KR20190004801A (ko) | 2016-07-14 | 2017-07-13 | 프레스 성형성, 굽힘 가공성 및 내리징성이 우수한 성형 가공용 알루미늄 합금 압연재 |
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EP (3) | EP3336215B1 (ko) |
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CN (2) | CN108350551A (ko) |
CA (2) | CA3028345A1 (ko) |
DE (1) | DE17743274T1 (ko) |
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KR20250045129A (ko) | 2023-09-25 | 2025-04-01 | 현대자동차주식회사 | 알루미늄 함유 금속의 가공장치 및 가공방법 |
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JP6208389B1 (ja) * | 2016-07-14 | 2017-10-04 | 株式会社Uacj | 曲げ加工性及び耐リジング性に優れたアルミニウム合金からなる成形加工用アルミニウム合金圧延材の製造方法 |
JP7025428B2 (ja) | 2016-12-16 | 2022-02-24 | ノベリス・インコーポレイテッド | 自然時効硬化に耐性のある高強度および高成形性のアルミニウム合金ならびにその作製方法 |
FR3076837B1 (fr) | 2018-01-16 | 2020-01-03 | Constellium Neuf-Brisach | Procede de fabrication de toles minces en alliage d'aluminium 6xxx a haute qualite de surface |
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CN109477194A (zh) | 2019-03-15 |
EP3336215A4 (en) | 2019-05-01 |
EP3336215B1 (en) | 2021-01-27 |
JP6208389B1 (ja) | 2017-10-04 |
US11053576B2 (en) | 2021-07-06 |
WO2018011245A1 (en) | 2018-01-18 |
CN109477194B (zh) | 2021-12-21 |
EP3485055B1 (en) | 2023-05-24 |
US20190153577A1 (en) | 2019-05-23 |
DE17743274T1 (de) | 2019-08-14 |
WO2018012597A1 (ja) | 2018-01-18 |
KR102498463B1 (ko) | 2023-02-09 |
CA3028345A1 (en) | 2018-01-18 |
JP2020503428A (ja) | 2020-01-30 |
MX2018015437A (es) | 2019-04-11 |
KR20190028732A (ko) | 2019-03-19 |
CN108350551A (zh) | 2018-07-31 |
EP3485055A1 (en) | 2019-05-22 |
JP7041664B2 (ja) | 2022-03-24 |
US20190119800A1 (en) | 2019-04-25 |
EP3444369A1 (en) | 2019-02-20 |
CA2981236C (en) | 2019-03-05 |
US20200239991A1 (en) | 2020-07-30 |
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