KR101643575B1 - 해양기자재의 성능향상을 위한 알루미늄 기재의 표면 처리 방법 - Google Patents
해양기자재의 성능향상을 위한 알루미늄 기재의 표면 처리 방법 Download PDFInfo
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- KR101643575B1 KR101643575B1 KR1020150164257A KR20150164257A KR101643575B1 KR 101643575 B1 KR101643575 B1 KR 101643575B1 KR 1020150164257 A KR1020150164257 A KR 1020150164257A KR 20150164257 A KR20150164257 A KR 20150164257A KR 101643575 B1 KR101643575 B1 KR 101643575B1
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 229910052751 metal Inorganic materials 0.000 title abstract description 28
- 239000002184 metal Substances 0.000 title abstract description 28
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 97
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 97
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- 238000000576 coating method Methods 0.000 claims abstract description 15
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 33
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- 238000007743 anodising Methods 0.000 claims description 16
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- 238000007598 dipping method Methods 0.000 claims description 3
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- 238000005260 corrosion Methods 0.000 abstract description 36
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- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
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- 239000000956 alloy Substances 0.000 description 2
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- 238000000349 field-emission scanning electron micrograph Methods 0.000 description 2
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- 229910052749 magnesium Inorganic materials 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000003113 alkalizing effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000010407 anodic oxide Substances 0.000 description 1
- 238000002048 anodisation reaction Methods 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
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- 238000000691 measurement method Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- 150000003839 salts Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
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- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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Classifications
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- 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
-
- 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
- C25D11/18—After-treatment, e.g. pore-sealing
- C25D11/24—Chemical after-treatment
-
- 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
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
-
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/04—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in markedly acid liquids
-
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
-
- 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
-
- 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
-
- 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
- C25D11/18—After-treatment, e.g. pore-sealing
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
본 발명에 따른 알루미늄 기재의 표면 처리 방법에 따르면, 표면 처리를 통해 알루미늄 기재의 표면에 다공성 산화피막을 형성시켜 코팅되는 방청제의 일부가 다공성 산화피막에 흡수되어 방청제 만을 코팅하는 종래에 표면 처리 방법에 비해 금속 기재의 내식성 및 방오 효과가 우수하다.
Description
도 2는 실시예에 따라 아노다이징 처리된 알루미늄 기재의 표면에 오일형 방청제, 용제 희석형 방청제, 반고체형 방청제 및 물을 점적한 후, 표면의 변화를 관찰한 실제 이미지이다.
도 3은 실시예 및 비교예에 따라 표면 처리된 알루미늄 기재의 부식 민감성(corrosion susceptibility)을 나타내는 그래프이다.
Claims (10)
- (a) 알루미늄 기재의 표면에 다공성의 산화피막을 형성시키는 단계; 및
(b) 상기 단계(a)에서 산화피막이 형성된 상기 알루미늄 기재의 표면에 방청제를 코팅하는 단계;를 포함하고,
상기 방청제는 오일형이며,
상기 방청제는 점도조절제를 더 포함하는 것을 특징으로 하는 알루미늄 기재의 표면 처리 방법. - 제1항에 있어서,
상기 알루미늄 기재는 AL7075인 것을 특징으로 하는 알루미늄 기재의 표면 처리 방법. - 제1항에 있어서,
상기 단계(a)는 아노다이징(anodizing) 또는 플라즈마 전극 산화(plasma electrolytic oxidation) 방법에 의해 수행되는 것을 특징으로 하는 알루미늄 기재의 표면 처리 방법. - 제3항에 있어서,
상기 아노다이징(anodizing) 방법은 상온에서 30 내지 100 V의 전압으로 1 내지 3시간 동안 수행되는 것을 특징으로 하는 알루미늄 기재의 표면 처리 방법. - 제1항에 있어서,
상기 단계(a)에서 상기 알루미늄 기재의 표면에 상기 산화피막이 10 내지 20 ㎛의 두께로 형성되는 것을 특징으로 하는 알루미늄 기재의 표면 처리 방법. - 삭제
- 삭제
- 제1항에 있어서,
상기 단계(b)는 스프레이 코팅(spray coating), 스크린 프린팅(screen printing), 브러싱(brushing) 및 디핑(dipping)으로부터 선택되는 1종의 방법으로 수행되는 것을 특징으로 하는 알루미늄 기재의 표면 처리 방법. - 제1항에 있어서,
상기 단계(b)는 산화피막이 형성된 상기 알루미늄 기재의 표면에 방청제를 코팅한 후, 상기 알루미늄 기재의 표면을 균질화 처리하는 단계를 더 포함하는 것을 특징으로 하는 알루미늄 기재의 표면 처리 방법. - 제1항 내지 제5항 및 제8항 내지 제9항 중 어느 한 항에 기재된 방법에 의해 제조된 해양기자재용 알루미늄 기재.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020150164257A KR101643575B1 (ko) | 2015-11-23 | 2015-11-23 | 해양기자재의 성능향상을 위한 알루미늄 기재의 표면 처리 방법 |
US15/149,400 US20170145581A1 (en) | 2015-11-23 | 2016-05-09 | Method of treating surface of aluminum substrate to increase performance of offshore equipment |
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KR1020150164257A KR101643575B1 (ko) | 2015-11-23 | 2015-11-23 | 해양기자재의 성능향상을 위한 알루미늄 기재의 표면 처리 방법 |
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KR101643575B1 true KR101643575B1 (ko) | 2016-07-28 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101859527B1 (ko) * | 2016-11-29 | 2018-06-28 | 한국해양과학기술원 | 내식성능 향상을 위한 알루미늄의 화학적 표면개질 방법 및 이에 의해 표면개질한 알루미늄 소재 |
KR20190064045A (ko) | 2017-11-30 | 2019-06-10 | 한국해양과학기술원 | 해양기자재의 내식/방오 성능 향상을 위한 나노입자 스프레이 코팅 기반 금속 기재 표면 코팅 방법 |
KR20190080219A (ko) | 2017-12-28 | 2019-07-08 | (주)브이티엠 | 우수한 내식성 및 경량성을 가지는 해상 cctv 하우징용 복합소재 제조방법 및 이에 의해 제조된 해상 cctv 하우징용 복합소재 |
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2015
- 2015-11-23 KR KR1020150164257A patent/KR101643575B1/ko active Active
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Cited By (3)
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KR101859527B1 (ko) * | 2016-11-29 | 2018-06-28 | 한국해양과학기술원 | 내식성능 향상을 위한 알루미늄의 화학적 표면개질 방법 및 이에 의해 표면개질한 알루미늄 소재 |
KR20190064045A (ko) | 2017-11-30 | 2019-06-10 | 한국해양과학기술원 | 해양기자재의 내식/방오 성능 향상을 위한 나노입자 스프레이 코팅 기반 금속 기재 표면 코팅 방법 |
KR20190080219A (ko) | 2017-12-28 | 2019-07-08 | (주)브이티엠 | 우수한 내식성 및 경량성을 가지는 해상 cctv 하우징용 복합소재 제조방법 및 이에 의해 제조된 해상 cctv 하우징용 복합소재 |
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