JP5074561B2 - マグネシウム系金属の表面処理方法 - Google Patents
マグネシウム系金属の表面処理方法 Download PDFInfo
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- JP5074561B2 JP5074561B2 JP2010163225A JP2010163225A JP5074561B2 JP 5074561 B2 JP5074561 B2 JP 5074561B2 JP 2010163225 A JP2010163225 A JP 2010163225A JP 2010163225 A JP2010163225 A JP 2010163225A JP 5074561 B2 JP5074561 B2 JP 5074561B2
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- Prior art keywords
- magnesium
- based metal
- treatment method
- surface treatment
- weight
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- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims description 42
- 238000000034 method Methods 0.000 title claims description 37
- 238000004381 surface treatment Methods 0.000 title claims description 21
- 229910052751 metal Inorganic materials 0.000 claims description 44
- 239000002184 metal Substances 0.000 claims description 44
- 239000011777 magnesium Substances 0.000 claims description 42
- 229910052749 magnesium Inorganic materials 0.000 claims description 41
- 238000005498 polishing Methods 0.000 claims description 39
- 238000007743 anodising Methods 0.000 claims description 21
- 239000000126 substance Substances 0.000 claims description 20
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 15
- 239000010407 anodic oxide Substances 0.000 claims description 15
- 239000003792 electrolyte Substances 0.000 claims description 13
- 239000008151 electrolyte solution Substances 0.000 claims description 12
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 239000001509 sodium citrate Substances 0.000 claims description 6
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims description 6
- 239000004317 sodium nitrate Substances 0.000 claims description 6
- 235000010344 sodium nitrate Nutrition 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 4
- 229910017604 nitric acid Inorganic materials 0.000 claims description 4
- 229910004283 SiO 4 Inorganic materials 0.000 claims description 3
- UYJXRRSPUVSSMN-UHFFFAOYSA-P ammonium sulfide Chemical compound [NH4+].[NH4+].[S-2] UYJXRRSPUVSSMN-UHFFFAOYSA-P 0.000 claims description 3
- 229940011182 cobalt acetate Drugs 0.000 claims description 3
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 claims description 3
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 3
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 3
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 3
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 3
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 claims description 3
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 claims description 3
- 239000000276 potassium ferrocyanide Substances 0.000 claims description 3
- 239000012286 potassium permanganate Substances 0.000 claims description 3
- 239000011734 sodium Substances 0.000 claims description 3
- RCIVOBGSMSSVTR-UHFFFAOYSA-L stannous sulfate Chemical compound [SnH2+2].[O-]S([O-])(=O)=O RCIVOBGSMSSVTR-UHFFFAOYSA-L 0.000 claims description 3
- XOGGUFAVLNCTRS-UHFFFAOYSA-N tetrapotassium;iron(2+);hexacyanide Chemical compound [K+].[K+].[K+].[K+].[Fe+2].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] XOGGUFAVLNCTRS-UHFFFAOYSA-N 0.000 claims description 3
- 229910000375 tin(II) sulfate Inorganic materials 0.000 claims description 3
- 238000007654 immersion Methods 0.000 claims 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 30
- 238000005238 degreasing Methods 0.000 description 8
- 239000000975 dye Substances 0.000 description 4
- 229910001385 heavy metal Inorganic materials 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000002048 anodisation reaction Methods 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000879 optical micrograph Methods 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/30—Anodisation of magnesium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/16—Pretreatment, e.g. desmutting
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- ing And Chemical Polishing (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Chemical Treatment Of Metals (AREA)
Description
また、本発明の他の目的は、陽極酸化膜の形成前に、安価で安全な化学研磨を通じて、より良質の陽極酸化膜を実現することができるマグネシウム系金属の表面処理方法を提供することにある。
硫酸100g/L、硝酸15g/L、硝酸ナトリウム130g/L、クエン酸ナトリウム150g/Lを含む化学研磨液が調整される。室温で調整された化学研磨液にマグネシウム合金を約5秒〜30秒間浸漬し、マグネシウム合金の表面を化学研磨する。化学研磨液の組成比は、上述したものに限られず、化学研磨液の成分範囲が硫酸50〜500重量部、硝酸10〜100重量部、硝酸ナトリウム100〜300重量部、クエン酸ナトリウム100〜300重量部であるとき、良質の研磨が行われることが判った。
陽極酸化処理ステップは強塩基性電解液内で行われるが、皮膜の特性に影響を及ぼす処理条件としては、電解液の組成、電流密度、温度、作業時間等があり、この中でも、最も重要なものは、電解液の組成及び電流密度である。本実施例において用いられる強塩基性電解液は、pH11以上の強塩基性とするために、全体の水溶液1L当たり、水酸化カリウム50〜300gが必ず含まれる。水酸化カリウムは、重金属ではないので、環境に優しい。より具体的には、前記電解液としては、全体の水溶液1L当たり、水酸化カリウム100〜300gと、KF0.5〜50g/Lと、Na 4 SiO45〜50g/Lと、Al0.1〜0.5g/Lとを含むものが用いられる。
22 表面調整(または脱脂)ステップ
23 陽極酸化処理ステップ
24 水洗ステップ
Claims (5)
- 硝酸ナトリウムとクエン酸ナトリウムを含む化学研磨液を用いてマグネシウム系金属の表面を化学研磨する光沢研磨ステップと、
前記光沢研磨ステップを経たマグネシウム系金属をpH11以上の強塩基性電解液内に浸漬させる浸漬ステップと、
前記強塩基性電解液内で前記マグネシウム系金属に電流密度0.01〜1A/dm2の電流を印加することによって、前記マグネシウム系金属の表面に透明な陽極酸化膜を形成する陽極酸化処理ステップと、を含むことを特徴とするマグネシウム系金属の表面処理方法。 - 前記陽極酸化処理ステップにおいて、10V以下の電圧を印加することを特徴とする請求項1に記載のマグネシウム系金属の表面処理方法。
- 前記陽極酸化処理ステップにおいて、前記電解液は、水酸化カリウム100〜300重量部と、KF0.5〜50重量部と、Na 4 SiO45〜50重量部と、Al0.1〜0.5重量部とを含み、前記電解液は、20〜70℃の温度に維持されることを特徴とする請求項1に記載のマグネシウム系金属の表面処理方法。
- 前記陽極酸化処理ステップにおいて、前記電解液が、酢酸コバルト、過マンガン酸カリウム、硫化アンモニウム、硫酸第二鉄、フェロシアン化カリウム、硫酸ニッケル及び硫酸銅、硫酸第一スズのうちの少なくとも一つを含むことを特徴とする請求項1に記載のマグネシウム系金属の表面処理方法。
- 前記光沢研磨ステップにおいて、前記化学研磨液は、硫酸、硝酸、硝酸ナトリウム、及びクエン酸ナトリウムを含むことを特徴とする請求項1に記載のマグネシウム系金属の表面処理方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100054535A KR101200526B1 (ko) | 2010-06-09 | 2010-06-09 | 마그네슘계 금속의 금속 질감을 구현할 수 있는 마그네슘 표면처리 방법 |
KR10-2010-0054535 | 2010-06-09 |
Publications (2)
Publication Number | Publication Date |
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JP2011256458A JP2011256458A (ja) | 2011-12-22 |
JP5074561B2 true JP5074561B2 (ja) | 2012-11-14 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2010163225A Expired - Fee Related JP5074561B2 (ja) | 2010-06-09 | 2010-07-20 | マグネシウム系金属の表面処理方法 |
Country Status (4)
Country | Link |
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US (1) | US20110303545A1 (ja) |
JP (1) | JP5074561B2 (ja) |
KR (1) | KR101200526B1 (ja) |
CN (1) | CN102277611A (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103668392A (zh) * | 2012-09-13 | 2014-03-26 | 汉达精密电子(昆山)有限公司 | 具金属质感的镁合金表面处理方法及其产品 |
US10941501B2 (en) | 2013-03-29 | 2021-03-09 | Analytical Specialties, Inc. | Method and composition for metal finishing |
KR101584413B1 (ko) | 2013-12-26 | 2016-01-11 | 주식회사 포스코 | 표면 처리 금속 및 이를 위한 금속재의 표면 처리 방법 |
KR101629585B1 (ko) | 2014-12-26 | 2016-06-13 | 주식회사 포스코 | 발색 처리된 기재 및 이를 위한 기재의 발색 처리방법 |
JP6286560B2 (ja) | 2013-12-26 | 2018-02-28 | ポスコPosco | 発色処理された基材およびこのための基材の発色処理方法 |
KR20160085669A (ko) | 2015-01-08 | 2016-07-18 | 주식회사 케이에이치바텍 | 금속질감을 가지는 금속외장재 및 이의 제조방법 |
KR101655039B1 (ko) | 2015-07-24 | 2016-09-23 | 주식회사 포스코 | 발색 처리된 기판 및 이를 위한 발색 처리방법 |
KR101674316B1 (ko) | 2015-09-21 | 2016-11-08 | 주식회사 포스코 | 발색 처리된 기판 및 이를 위한 발색 처리방법 |
Family Cites Families (18)
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US4620904A (en) * | 1985-10-25 | 1986-11-04 | Otto Kozak | Method of coating articles of magnesium and an electrolytic bath therefor |
CN86108405A (zh) * | 1985-10-25 | 1988-05-18 | 奥托·科萨克 | 镁制品的镀覆方法及所用的电解液 |
US4744872A (en) * | 1986-05-30 | 1988-05-17 | Ube Industries, Ltd. | Anodizing solution for anodic oxidation of magnesium or its alloys |
US5527423A (en) | 1994-10-06 | 1996-06-18 | Cabot Corporation | Chemical mechanical polishing slurry for metal layers |
JP2002047597A (ja) * | 2000-08-01 | 2002-02-15 | Boshin Ro | マグネシウム又はその合金用電解発色剤及び電解発色法 |
JP2003041382A (ja) * | 2001-08-02 | 2003-02-13 | Murai:Kk | メガネフレームの製造方法 |
JP2004091852A (ja) * | 2002-08-30 | 2004-03-25 | Fujitsu Ltd | マグネシウム材に対する高耐食性陽極酸化膜の形成方法およびこれにより形成されたマグネシウム材製筐体 |
JP4203942B2 (ja) * | 2002-08-30 | 2009-01-07 | アイシン軽金属株式会社 | 金属材料の意匠面形成方法 |
AU2003265019B2 (en) * | 2002-09-09 | 2008-08-14 | Keronite International Limited | Surface treatment of magnesium and its alloys |
JP4214369B2 (ja) | 2002-09-13 | 2009-01-28 | 株式会社カサタニ | マグネシウム合金の陽極酸化処理方法 |
JP4825002B2 (ja) * | 2005-12-27 | 2011-11-30 | 本田技研工業株式会社 | マグネシウム金属材料の製造方法 |
CN100570002C (zh) * | 2006-10-31 | 2009-12-16 | 佛山市顺德区汉达精密电子科技有限公司 | 镁合金蚀刻工艺 |
KR100796633B1 (ko) | 2006-12-20 | 2008-01-22 | 주식회사 엔유씨전자 | 마그네슘계 금속의 표면처리 방법 |
KR20090115034A (ko) * | 2008-04-30 | 2009-11-04 | 주식회사 엔유씨전자 | 마그네슘계 금속의 착색 및 광택이 가능한 표면 처리 방법 |
CN101634019B (zh) * | 2008-07-21 | 2011-10-26 | 中国科学院宁波材料技术与工程研究所 | 锌铝基合金化学镀镍前处理方法及其应用 |
CN101671821B (zh) * | 2008-09-12 | 2010-12-08 | 中国科学院金属研究所 | 一种镁合金表面处理化学转化溶液及工艺 |
CN101660114B (zh) * | 2009-09-23 | 2012-06-20 | 江苏大学 | 一种镁或镁合金表面热浸镀锡或锡基合金的方法 |
CN101768738B (zh) * | 2010-01-04 | 2011-12-14 | 郑州大学 | 一种用于镁或镁合金制品粘接的预处理液及预处理方法 |
-
2010
- 2010-06-09 KR KR1020100054535A patent/KR101200526B1/ko active IP Right Grant
- 2010-07-20 JP JP2010163225A patent/JP5074561B2/ja not_active Expired - Fee Related
- 2010-07-20 US US12/840,167 patent/US20110303545A1/en not_active Abandoned
- 2010-07-21 CN CN2010102348088A patent/CN102277611A/zh active Pending
Also Published As
Publication number | Publication date |
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KR20110134769A (ko) | 2011-12-15 |
JP2011256458A (ja) | 2011-12-22 |
CN102277611A (zh) | 2011-12-14 |
US20110303545A1 (en) | 2011-12-15 |
KR101200526B1 (ko) | 2012-11-13 |
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