JP2010501732A - 金属被覆鉄ストリップ - Google Patents
金属被覆鉄ストリップ Download PDFInfo
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- JP2010501732A JP2010501732A JP2009525859A JP2009525859A JP2010501732A JP 2010501732 A JP2010501732 A JP 2010501732A JP 2009525859 A JP2009525859 A JP 2009525859A JP 2009525859 A JP2009525859 A JP 2009525859A JP 2010501732 A JP2010501732 A JP 2010501732A
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- Prior art keywords
- iron strip
- zinc
- aluminum
- silicon
- concentration
- Prior art date
- Legal status (The legal status 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 status listed.)
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 124
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 62
- 229910052751 metal Inorganic materials 0.000 title description 14
- 239000002184 metal Substances 0.000 title description 14
- 238000000576 coating method Methods 0.000 claims abstract description 50
- 229910000676 Si alloy Inorganic materials 0.000 claims abstract description 47
- -1 aluminum-zinc-silicon Chemical compound 0.000 claims abstract description 47
- 239000011248 coating agent Substances 0.000 claims abstract description 44
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 30
- 239000011777 magnesium Substances 0.000 claims abstract description 30
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 20
- 239000010703 silicon Substances 0.000 claims abstract description 20
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 16
- 239000000956 alloy Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 15
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 20
- 229910052791 calcium Inorganic materials 0.000 claims description 20
- 239000011575 calcium Substances 0.000 claims description 20
- 229910052712 strontium Inorganic materials 0.000 claims description 20
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 20
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 6
- QYEXBYZXHDUPRC-UHFFFAOYSA-N B#[Ti]#B Chemical compound B#[Ti]#B QYEXBYZXHDUPRC-UHFFFAOYSA-N 0.000 claims description 4
- 229910033181 TiB2 Inorganic materials 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000011109 contamination Methods 0.000 claims description 2
- 238000003618 dip coating Methods 0.000 claims description 2
- 239000001995 intermetallic alloy Substances 0.000 description 12
- 239000000758 substrate Substances 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000012827 research and development Methods 0.000 description 3
- 238000001000 micrograph Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- LGERWORIZMAZTA-UHFFFAOYSA-N silicon zinc Chemical compound [Si].[Zn] LGERWORIZMAZTA-UHFFFAOYSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
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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
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/012—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of aluminium or an aluminium alloy
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/003—Apparatus
- C23C2/0038—Apparatus characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process
- C23C2/004—Snouts
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/12—Aluminium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/40—Plates; Strips
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12736—Al-base component
- Y10T428/1275—Next to Group VIII or IB metal-base component
- Y10T428/12757—Fe
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Coating With Molten Metal (AREA)
Abstract
Description
亜鉛: 37.0〜46.0;及び
ケイ素: 1.2〜2.3。
(a)アルミニウム−亜鉛−ケイ素合金組成物にマグネシウムを添加すること;及び/又は
(b)鉄ストリップが被覆浴に接触する滞留時間を最低限にすること;
によって望ましくない金属間合金層の成長を抑制しうると、見出したことにある。
(a)熱処理炉中で鉄ストリップを熱処理する工程;及び
(b)溶融浴中でそのストリップを熱浸漬被覆し、鉄ストリップの上に小さいスパンコールを有する合金の被覆を形成する工程;
をも包含しうる。
(a) Si0.5、Mg0.0;
(b) Si0.5、Mg2.0;
(c) Si0.28、Mg0.0;及び
(d) Si0.28、Mg2.0;
を含有するアルミニウム−亜鉛−ケイ素合金を用いて実験を行った。
(a)Siの濃度が減少するにつれて金属間合金層の厚さが増大する−0.0重量%のMgを含有する2種類の異なるSi濃度の試料を比較のこと;
(b)2.0重量%のMgを含有する試料は0.0重量%のMgを含有する試料よりも金属間合金層の成長が実質的に少ない;
(c)2.0重量%のMgを含有する試料における金属間合金層の厚さについてSi濃度が与える相違は非常に小さい;
(d)0.28重量%の低いSi濃度を有する試料ではより小さいスパンコールが形成された。
Claims (24)
- ストリップの少なくとも片面上にアルミニウム−亜鉛−ケイ素合金の被覆を有する鉄ストリップであって、該アルミニウム−亜鉛−ケイ素合金が1.2重量%未満のケイ素を含み、マグネシウムも含むことを特徴とする鉄ストリップ。
- 前記ケイ素の濃度が0.2〜0.5重量%であり、マグネシウムの濃度が0.5〜8重量%である請求項1記載の鉄ストリップ。
- 前記ケイ素の濃度が少なくとも0.2重量%及び1.2重量%未満であり、前記マグネシウムの濃度が0.5〜1重量%である請求項1又は2記載の鉄ストリップ。
- 前記ケイ素の濃度が少なくとも0.2重量%である先行請求項のいずれか記載の鉄ストリップ。
- 前記被覆が、ここで定義される小さいスパンコールを有する先行請求項のいずれか記載の鉄ストリップ。
- 前記マグネシウムの濃度が8重量%未満である先行請求項のいずれか記載の鉄ストリップ。
- 前記マグネシウムの濃度が3重量%未満である先行請求項のいずれか記載の鉄ストリップ。
- 前記マグネシウムの濃度が0.5重量%未満である先行請求項のいずれか記載の鉄ストリップ。
- 前記マグネシウムの濃度が1〜3重量%の間である先行請求項のいずれか記載の鉄ストリップ。
- 前記マグネシウムの濃度が1.5〜2.5重量%の間である先行請求項のいずれか記載の鉄ストリップ。
- 前記アルミニウム−亜鉛−ケイ素合金が、ここで定義される二ホウ化チタン変性合金である先行請求項のいずれか記載の鉄ストリップ。
- 前記アルミニウム−亜鉛−ケイ素合金がストロンチウム及び/又はカルシウムを含有する先行請求項のいずれか記載の鉄ストリップ。
- (i)ストロンチウム又は(ii)カルシウム又は(iii)ストロンチウム及びカルシウムを併せた濃度が少なくとも2ppmである請求項12記載の鉄ストリップ。
- (i)ストロンチウム又は(ii)カルシウム又は(iii)ストロンチウム及びカルシウムを併せた濃度が0.2重量%未満である請求項12又は請求項13記載の鉄ストリップ。
- (i)ストロンチウム又は(ii)カルシウム又は(iii)ストロンチウム及びカルシウムを併せた濃度が100ppm未満である請求項12〜14のいずれか記載の鉄ストリップ。
- (i)ストロンチウム又は(ii)カルシウム又は(iii)ストロンチウム及びカルシウムを併せた濃度が50ppm以下である請求項12〜15のいずれか記載の鉄ストリップ。
- 前記アルミニウム−亜鉛−ケイ素合金が、例えば溶融浴中における汚染による不可避的な不純物のような痕跡量にて存在するものとは異なる、意図的な合金の要素としてバナジウム及び/又はクロムを含有しない先行請求項のいずれか記載の鉄ストリップ。
- アルミニウム−亜鉛−ケイ素合金の浴を含み、その底壁に開口を有する被覆ポットを通過させて鉄ストリップを上方向に動かす工程、及び該ストリップの上に合金の被覆を形成する工程、を包含する鉄ストリップの上にアルミニウム−亜鉛−ケイ素の被覆を形成する方法であって、該ポット中のアルミニウム−亜鉛−ケイ素合金に対して鉄ストリップが接触する滞留時間を最短にすることにより特徴付けられる方法。
- 前記滞留時間が0.75秒未満である請求項18記載の方法。
- 前記滞留時間が0.5秒未満である請求項19記載の方法。
- 前記滞留時間が少なくとも0.2秒である請求項18〜20のいずれか記載の方法。
- 前記アルミニウム−亜鉛−ケイ素合金が1.2重量%未満のケイ素を含有し、要すればマグネシウムを含有する合金である請求項18〜21のいずれか記載の方法。
- 前記アルミニウム−亜鉛−ケイ素合金がマグネシウムを含有する請求項18〜22のいずれか記載の方法。
- 引き続いて鉄ストリップを熱処理炉及び溶融アルミニウム−亜鉛−シリコン合金の浴に通過させ、そして:
(a)熱処理炉中で鉄ストリップを熱処理する工程;及び
(b)溶融浴中でそのストリップを熱浸漬被覆し、鉄ストリップの上に小さいスパンコールを有する合金の被覆を形成する工程;
をも包含する請求項18〜22のいずれか記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2006904727A AU2006904727A0 (en) | 2006-08-30 | Metal-coated steel strip | |
AU2006904727 | 2006-08-30 | ||
PCT/AU2007/001265 WO2008025086A1 (en) | 2006-08-30 | 2007-08-30 | Metal-coated steel strip |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2010501732A true JP2010501732A (ja) | 2010-01-21 |
JP2010501732A5 JP2010501732A5 (ja) | 2014-10-02 |
JP5667763B2 JP5667763B2 (ja) | 2015-02-12 |
Family
ID=39135420
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009525859A Active JP5667763B2 (ja) | 2006-08-30 | 2007-08-30 | 金属被覆鉄ストリップ |
Country Status (7)
Country | Link |
---|---|
US (2) | US10233518B2 (ja) |
JP (1) | JP5667763B2 (ja) |
CN (1) | CN101517118B (ja) |
AU (1) | AU2007291957B2 (ja) |
MY (1) | MY157670A (ja) |
NZ (1) | NZ575788A (ja) |
WO (1) | WO2008025086A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014057771A1 (ja) * | 2012-10-12 | 2014-04-17 | 株式会社Neomaxマテリアル | 金属基板 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NZ562141A (en) * | 2005-04-05 | 2009-10-30 | Bluescope Steel Ltd | Metal-coated steel strip comprising a coating of an aluminium-zic-silicon alloy that contains magnesium |
WO2009055843A1 (en) * | 2007-10-29 | 2009-05-07 | Bluescope Steel Limited | Metal-coated steel strip |
ES2661551T3 (es) * | 2009-05-28 | 2018-04-02 | Bluescope Steel Limited | Banda de acero recubierta con metal |
JP5593836B2 (ja) * | 2009-05-29 | 2014-09-24 | Jfeスチール株式会社 | 溶融Al−Zn系めっき鋼板 |
KR20200011589A (ko) * | 2010-01-25 | 2020-02-03 | 블루스코프 스틸 리미티드 | 금속-코팅된 강철 스트립 |
EP2980260B2 (en) * | 2013-03-25 | 2024-02-28 | JFE Steel Corporation | Al-Zn-BASED PLATED STEEL SHEET |
US10221989B2 (en) * | 2015-07-27 | 2019-03-05 | Cooper-Standard Automotive Inc. | Tubing material, double wall steel tubes and method of manufacturing a double wall steel tube |
CN110872676B (zh) * | 2018-08-29 | 2022-01-14 | 上海梅山钢铁股份有限公司 | 一种热镀铝锌钢板的生产方法 |
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AU2007291957A1 (en) | 2008-03-06 |
AU2007291957B2 (en) | 2013-01-17 |
WO2008025086A1 (en) | 2008-03-06 |
NZ575788A (en) | 2012-03-30 |
MY157670A (en) | 2016-07-15 |
JP5667763B2 (ja) | 2015-02-12 |
US20190078181A1 (en) | 2019-03-14 |
CN101517118A (zh) | 2009-08-26 |
US10233518B2 (en) | 2019-03-19 |
CN101517118B (zh) | 2012-09-26 |
US20100021760A1 (en) | 2010-01-28 |
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