JP2005320602A - 防食膜形成方法 - Google Patents
防食膜形成方法 Download PDFInfo
- Publication number
- JP2005320602A JP2005320602A JP2004140715A JP2004140715A JP2005320602A JP 2005320602 A JP2005320602 A JP 2005320602A JP 2004140715 A JP2004140715 A JP 2004140715A JP 2004140715 A JP2004140715 A JP 2004140715A JP 2005320602 A JP2005320602 A JP 2005320602A
- Authority
- JP
- Japan
- Prior art keywords
- film
- magnesium hydroxide
- seawater
- steel structure
- corrosion prevention
- 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/64—Repairing piles
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D9/00—Electrolytic coating other than with metals
- C25D9/04—Electrolytic coating other than with metals with inorganic materials
- C25D9/08—Electrolytic coating other than with metals with inorganic materials by cathodic processes
- C25D9/10—Electrolytic coating other than with metals with inorganic materials by cathodic processes on iron or steel
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- 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
- C23F2213/00—Aspects of inhibiting corrosion of metals by anodic or cathodic protection
- C23F2213/30—Anodic or cathodic protection specially adapted for a specific object
- C23F2213/31—Immersed structures, e.g. submarine structures
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Prevention Of Electric Corrosion (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
【解決手段】鋼ケーソン1を陰極とし、鋼ケーソン1と対向させて海水中に設けた海中部材3を陽極としてそれらの電極間に直流電流を流し、海水の電解反応により鋼ケーソン1に防食膜を形成して防食を行う防食膜形成方法であって、鋼ケーソン1に水酸化マグネシウム主体の被膜が形成される電流密度となるように電極間に電流を流すことにより所定膜厚の被膜を形成した後、電流の供給を停止し、海水存在下で生じる水酸化マグネシウムに対して炭酸カルシウムが置き換わる組成置換作用により防食膜を形成する。
【選択図】図1
Description
Mg(OH)2→Mg2++2OH− …(1)
Ca2++H2CO3+2OH−→CaCO3+2H2O …(2)
Mg(OH)2+Ca2++H2CO3→Mg2++CaCO3+2H2O …(3)
2 直流電源装置
3 海中部材(陽極)
7 被膜
8 防食膜
Claims (2)
- 海洋鋼構造物を陰極とし該海洋鋼構造物と対向させて海水中に陽極を配置してそれらの電極間に直流電流を流し、海水の電解反応により海洋鋼構造物に防食膜を形成して海洋鋼構造物の防食を行うようにしている防食膜形成方法であって、前記海洋鋼構造物に水酸化マグネシウム主体の被膜が形成される電流密度となるように電極間に電流を流すことにより所定膜厚の被膜を形成した後、電流の供給を停止し、海水存在下で生じる水酸化マグネシウムに対して炭酸カルシウムが置き換わる組成置換作用により防食膜を形成することを特徴とする防食膜形成方法。
- 前記海洋鋼構造物の電流密度が3〜10A/m2になるように電極間に電流を流すことを特徴とする請求項1に記載の防食膜形成方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004140715A JP4424059B2 (ja) | 2004-05-11 | 2004-05-11 | 防食膜形成方法 |
EP05736723A EP1770188A4 (en) | 2004-05-11 | 2005-04-28 | METHOD FOR FORMING AN ANTI-CORROSION COATING |
US11/547,475 US20080029401A1 (en) | 2004-05-11 | 2005-04-28 | Process for Forming Anticorrosive Coating |
PCT/JP2005/008133 WO2005108645A1 (ja) | 2004-05-11 | 2005-04-28 | 防食膜形成方法 |
NO20065301A NO20065301L (no) | 2004-05-11 | 2006-11-17 | Fremgangsmate for a danne et korrosjonsbeskyttende belegg |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004140715A JP4424059B2 (ja) | 2004-05-11 | 2004-05-11 | 防食膜形成方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005320602A true JP2005320602A (ja) | 2005-11-17 |
JP4424059B2 JP4424059B2 (ja) | 2010-03-03 |
Family
ID=35320251
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004140715A Expired - Fee Related JP4424059B2 (ja) | 2004-05-11 | 2004-05-11 | 防食膜形成方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20080029401A1 (ja) |
EP (1) | EP1770188A4 (ja) |
JP (1) | JP4424059B2 (ja) |
NO (1) | NO20065301L (ja) |
WO (1) | WO2005108645A1 (ja) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007083604A1 (ja) | 2006-01-20 | 2007-07-26 | Kabushiki Kaisha Kobe Seiko Sho | 耐水素脆性に優れた高強度鋼 |
JP2010255070A (ja) * | 2009-04-28 | 2010-11-11 | Ihi Corp | 防食析出膜の維持方法及び維持装置 |
JP2011068938A (ja) * | 2009-09-25 | 2011-04-07 | Ihi Corp | 電着被膜形成装置 |
JP2011111626A (ja) * | 2009-11-24 | 2011-06-09 | Ihi Corp | 海洋鋼構造物の防食電着被膜施工方法及び装置 |
JP2011252190A (ja) * | 2010-06-01 | 2011-12-15 | Ihi Corp | 海洋鋼構造物の防食方法 |
JP2012007197A (ja) * | 2010-06-23 | 2012-01-12 | Ihi Corp | 鋼矢板の電着防食方法及び装置 |
JP2012026007A (ja) * | 2010-07-26 | 2012-02-09 | Ihi Corp | 有潮流海域での海洋鋼構造物の防食被膜形成方法 |
RU2797793C1 (ru) * | 2022-08-03 | 2023-06-08 | Евгений Олегович Добрышкин | Способ реконструкции причала военно-морской базы |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3031347B1 (fr) * | 2015-01-06 | 2017-07-21 | Electricite De France | Protection cathodique d'une structure metallique creuse, contre la corrosion |
JP7066465B2 (ja) * | 2018-03-20 | 2022-05-13 | 株式会社Ihi | 水中金属構造物の防食電着被膜形成方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4246075A (en) * | 1979-03-19 | 1981-01-20 | Marine Resources Company | Mineral accretion of large surface structures, building components and elements |
JPS61261499A (ja) * | 1985-05-13 | 1986-11-19 | Mitsui Eng & Shipbuild Co Ltd | 電着装置 |
JP3000411B2 (ja) * | 1992-08-19 | 2000-01-17 | 三井造船株式会社 | 鉄筋コンクリート構造物のひび割れ箇所の早期診断方法及び補修方法 |
JPH10313728A (ja) * | 1997-05-20 | 1998-12-02 | Honsyu Shikoku Renrakukiyou Kodan | 海洋鉄鋼構造物の防食方法 |
JP4126513B2 (ja) * | 1998-08-19 | 2008-07-30 | 株式会社Ihi | エレクトロコーティングによる防汚方法および防汚装置 |
JP4131055B2 (ja) * | 1999-06-04 | 2008-08-13 | 株式会社Ihi | エレクトロコーティングによるいけす金網の防汚方法 |
KR100539239B1 (ko) * | 2003-06-25 | 2005-12-27 | 삼성전자주식회사 | 도금 중단에 의해 불량이 발생되는 것을 방지하는 도금방법 및 이에 이용되는 도금 장비 |
-
2004
- 2004-05-11 JP JP2004140715A patent/JP4424059B2/ja not_active Expired - Fee Related
-
2005
- 2005-04-28 EP EP05736723A patent/EP1770188A4/en not_active Withdrawn
- 2005-04-28 US US11/547,475 patent/US20080029401A1/en not_active Abandoned
- 2005-04-28 WO PCT/JP2005/008133 patent/WO2005108645A1/ja active Application Filing
-
2006
- 2006-11-17 NO NO20065301A patent/NO20065301L/no not_active Application Discontinuation
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007083604A1 (ja) | 2006-01-20 | 2007-07-26 | Kabushiki Kaisha Kobe Seiko Sho | 耐水素脆性に優れた高強度鋼 |
EP1985720A1 (en) * | 2006-01-20 | 2008-10-29 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | High-strength steel with excellent unsusceptibility to hydrogen embrittlement |
EP1985720A4 (en) * | 2006-01-20 | 2009-10-28 | Kobe Steel Ltd | HIGH-RESISTANCE STEEL WITH EXCELLENT RESISTANCE TO HYDROGEN SUBSTRUCTURE |
US7887924B2 (en) | 2006-01-20 | 2011-02-15 | Kobe Steel, Ltd. | High-strength steel with excellent unsusceptibility to hydrogen embrittlement |
JP2010255070A (ja) * | 2009-04-28 | 2010-11-11 | Ihi Corp | 防食析出膜の維持方法及び維持装置 |
JP2011068938A (ja) * | 2009-09-25 | 2011-04-07 | Ihi Corp | 電着被膜形成装置 |
JP2011111626A (ja) * | 2009-11-24 | 2011-06-09 | Ihi Corp | 海洋鋼構造物の防食電着被膜施工方法及び装置 |
JP2011252190A (ja) * | 2010-06-01 | 2011-12-15 | Ihi Corp | 海洋鋼構造物の防食方法 |
JP2012007197A (ja) * | 2010-06-23 | 2012-01-12 | Ihi Corp | 鋼矢板の電着防食方法及び装置 |
JP2012026007A (ja) * | 2010-07-26 | 2012-02-09 | Ihi Corp | 有潮流海域での海洋鋼構造物の防食被膜形成方法 |
RU2797793C1 (ru) * | 2022-08-03 | 2023-06-08 | Евгений Олегович Добрышкин | Способ реконструкции причала военно-морской базы |
Also Published As
Publication number | Publication date |
---|---|
EP1770188A1 (en) | 2007-04-04 |
US20080029401A1 (en) | 2008-02-07 |
WO2005108645A1 (ja) | 2005-11-17 |
EP1770188A4 (en) | 2008-07-23 |
JP4424059B2 (ja) | 2010-03-03 |
NO20065301L (no) | 2006-11-17 |
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