JP5075940B2 - マグネシウム又はマグネシウム合金の陽極酸化表面処理方法 - Google Patents
マグネシウム又はマグネシウム合金の陽極酸化表面処理方法 Download PDFInfo
- Publication number
- JP5075940B2 JP5075940B2 JP2010112660A JP2010112660A JP5075940B2 JP 5075940 B2 JP5075940 B2 JP 5075940B2 JP 2010112660 A JP2010112660 A JP 2010112660A JP 2010112660 A JP2010112660 A JP 2010112660A JP 5075940 B2 JP5075940 B2 JP 5075940B2
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- JP
- Japan
- Prior art keywords
- magnesium
- magnesium alloy
- surface treatment
- arc plasma
- anodizing
- 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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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
- 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
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
-
- 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
- C25D11/026—Anodisation with spark discharge
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Chemical Treatment Of Metals (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Description
前記の環境に優しい電解液は、pH9〜14のアルカリ電解液が使われ、その組成及び濃度は下記の[表1]の通りである。ここで、陽極酸化と同時にカラーリングをしたり、マグネシウム製品の成分変化が深刻な場合は、状況に応じて若干の添加剤を別途に添加できる。
Claims (3)
- マグネシウム又はマグネシウム合金に酸化膜を形成させるための陽極酸化表面処理方法において、
強アルカリの水溶液を利用してマグネシウム又はマグネシウム合金表面の異物質と酸化層を除去する前処理工程と;
該前処理工程を経たマグネシウム又はマグネシウム合金をアルカリ電解液中に浸した後、電流密度が3A/dm2以下の直流電流を加えてマグネシウム酸化物の皮膜コーティング層を形成する微細アークプラズマ陽極酸化工程と
を含み、
前記前処理工程の強アルカリ水溶液は、KOH 30g/L〜60g/L、NaOH 150g/L〜200g/L、アミンオキシド20g/L〜30g/L、α−アルコキシイソブチル酸アルキルエステル5g/L〜10g/L、浸潤剤(Wetting agent)を含み、
前記微細アークプラズマ陽極酸化工程の前記アルカリ電解液は、水酸化カリウム(KOH)20〜150g/L、炭酸ナトリウム(Na 2 CO 3 )20〜150g/L、クエン酸三ナトリウム(Tri Sodium Citrate)5〜40g/L、フッ化カリウム(KF)3〜40g/L、酸性フッ化アンモニウム(NH 4 HF 2 )3〜40g/Lを含むことを特徴とする、マグネシウム又はマグネシウム合金の陽極酸化表面処理方法。 - 前記微細アークプラズマ陽極酸化工程後に、前記皮膜コーティング層が形成されたマグネシウム又はマグネシウム合金を蒸留水で洗浄した後、熱風で乾燥する後処理工程をさらに含むことを特徴とする、請求項1に記載のマグネシウム又はマグネシウム合金の陽極酸化表面処理方法。
- 前記微細アークプラズマ陽極酸化工程の前記アルカリ電解液は炭酸ナトリウム(Na2CO3)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又はマグネシウム合金の陽極酸化表面処理方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090111410A KR101067743B1 (ko) | 2009-11-18 | 2009-11-18 | 마그네슘 또는 마그네슘 합금의 양극산화 표면 처리 방법 |
KR10-2009-0111410 | 2009-11-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011106024A JP2011106024A (ja) | 2011-06-02 |
JP5075940B2 true JP5075940B2 (ja) | 2012-11-21 |
Family
ID=44010493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010112660A Active JP5075940B2 (ja) | 2009-11-18 | 2010-05-14 | マグネシウム又はマグネシウム合金の陽極酸化表面処理方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20110114497A1 (ja) |
JP (1) | JP5075940B2 (ja) |
KR (1) | KR101067743B1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102560516B (zh) * | 2012-02-13 | 2014-01-01 | 上海交通大学 | 镁合金表面均匀化前处理工艺 |
CN102808210B (zh) * | 2012-08-17 | 2015-04-22 | 宁波市瑞通新材料科技有限公司 | 一种微弧氧化的表面处理方法及其制品 |
JP6100557B2 (ja) * | 2013-02-27 | 2017-03-22 | 倉敷ボーリング機工株式会社 | マグネシウム基材の表面処理方法 |
CN103173837A (zh) * | 2013-03-14 | 2013-06-26 | 西北工业大学 | 一种通过纳米石墨提高镁合金微弧氧化膜耐磨性的方法 |
KR20150000940A (ko) * | 2013-06-25 | 2015-01-06 | 전북대학교산학협력단 | 생체분해형 마그네슘 임플란트의 부식속도 제어에 효과적인 표면처리 방법 및 생체분해형 마그네슘 임플란트 |
US10246791B2 (en) | 2014-09-23 | 2019-04-02 | General Cable Technologies Corporation | Electrodeposition mediums for formation of protective coatings electrochemically deposited on metal substrates |
JP2016156035A (ja) * | 2015-02-23 | 2016-09-01 | 株式会社栗本鐵工所 | プラズマ電解酸化による皮膜形成方法 |
JP2016156036A (ja) * | 2015-02-23 | 2016-09-01 | 株式会社栗本鐵工所 | 皮膜形成方法 |
AT516503B1 (de) * | 2015-06-09 | 2016-06-15 | Happy Plating Gmbh | Elektrolyt zur plasmaelektrolytischen oxidation |
JP6154438B2 (ja) * | 2015-07-22 | 2017-06-28 | Tsk株式会社 | スピーカー用振動板の製造方法 |
KR101709602B1 (ko) * | 2015-12-10 | 2017-02-23 | 영남대학교 산학협력단 | 마이크로 아크 전해 산화 처리를 통한 알루미늄 합금 내산화 코팅층 제조방법 |
CN108707943B (zh) * | 2018-05-27 | 2020-08-07 | 中南大学 | 一种微弧氧化电解液及其在制备高表面硬度铝合金板上的应用 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2002211114A1 (en) * | 2000-10-05 | 2002-04-15 | Magnesium Technology Limited | Magnesium anodisation system and methods |
KR100489640B1 (ko) * | 2003-05-01 | 2005-05-17 | 한국과학기술연구원 | 양극산화처리용 전해질 용액 및 이를 이용하는 마그네슘합금의 내부식 코팅 방법 |
JP4468101B2 (ja) * | 2003-08-01 | 2010-05-26 | 電化皮膜工業株式会社 | 金属材料及び表面処理方法 |
JP4125765B2 (ja) * | 2006-09-28 | 2008-07-30 | 日本パーカライジング株式会社 | 金属のセラミックス皮膜コーティング方法およびそれに用いる電解液ならびにセラミックス皮膜および金属材料 |
JP2009185331A (ja) * | 2008-02-06 | 2009-08-20 | Kyocera Chemical Corp | 表面光沢性マグネシウム成形品 |
-
2009
- 2009-11-18 KR KR1020090111410A patent/KR101067743B1/ko active IP Right Grant
-
2010
- 2010-05-14 JP JP2010112660A patent/JP5075940B2/ja active Active
- 2010-05-21 US US12/785,239 patent/US20110114497A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
KR101067743B1 (ko) | 2011-09-28 |
US20110114497A1 (en) | 2011-05-19 |
KR20110054667A (ko) | 2011-05-25 |
JP2011106024A (ja) | 2011-06-02 |
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