JP2008223137A5 - Rust prevention method for marine steel - Google Patents
Rust prevention method for marine steel Download PDFInfo
- Publication number
- JP2008223137A5 JP2008223137A5 JP2008027574A JP2008027574A JP2008223137A5 JP 2008223137 A5 JP2008223137 A5 JP 2008223137A5 JP 2008027574 A JP2008027574 A JP 2008027574A JP 2008027574 A JP2008027574 A JP 2008027574A JP 2008223137 A5 JP2008223137 A5 JP 2008223137A5
- Authority
- JP
- Japan
- Prior art keywords
- particles
- rust prevention
- alloy particles
- prevention method
- marine steel
- 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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- 229910000831 Steel Inorganic materials 0.000 title claims description 14
- 239000010959 steel Substances 0.000 title claims description 14
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 title claims description 13
- 230000002265 prevention Effects 0.000 title claims description 13
- 239000002245 particle Substances 0.000 claims description 23
- 229910001297 Zn alloy Inorganic materials 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 7
- 239000002923 metal particle Substances 0.000 claims description 6
- 229910017706 MgZn Inorganic materials 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 229910000765 intermetallic Inorganic materials 0.000 claims description 4
- 239000011164 primary particle Substances 0.000 claims description 4
- 229910009369 Zn Mg Inorganic materials 0.000 claims description 2
- 229910007573 Zn-Mg Inorganic materials 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000006104 solid solution Substances 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 229910000851 Alloy steel Inorganic materials 0.000 claims 1
- 230000003449 preventive Effects 0.000 claims 1
Description
本発明は、以上のような検討に基づきなされたものであり、その特徴は以下の通りである。
（１）質量％で、Ｍｇ：０．０１〜３０％を含有し、残部Ｚｎおよび不可避的不純物からなる１次粒子を互いに衝突させて、又は該１次粒子を固体に衝突させて、形成される物理的破砕面および／または長さ０．０１μｍ以上のき裂、もしくは深さ０．０１μｍ以上のき裂を有し、平均粒径が０．０５〜２００μｍで、最大径と最小径のアスペクト比（最大径／最小径）の平均値が１〜１．５であるＺｎ合金粒子を、乾燥塗膜中に、質量％で、３０％以上含有し、残部無機系バインダーからなる無機系プライマーまたは残部有機系バインダーからなる有機系プライマーを、下地層として塗布し、塗装厚みが２〜３００μｍのプライマー層を形成することを特徴とする、相対湿度３０％以上〜１００％以下の環境下に置かれる船舶鋼材の防錆方法。
（２）前記Ｚｎ合金粒子が、更に、質量％で、Ａｌ：０．０１〜３０％、Ｓｉ：０．０１〜３％の１種又は２種を含有することを特徴とする、前記（１）に記載の船舶鋼材の防錆方法。
（３）前記Ｚｎ合金粒子が、表面にＭｇ固溶相及びＺｎ−Ｍｇ金属間化合物を有することを特徴とする、前記（１）または（２）に記載の船舶鋼材の防錆方法。
（４）前記Ｚｎ合金粒子の金属間化合物が、ＭｇＺｎ2、Ｍｇ2Ｚｎ11、Ｍｇ2Ｚｎ3、ＭｇＺｎまたはＭｇ7Ｚｎ3のうち１種以上を含むことを特徴とする、前記（３）に記載の船舶鋼材の防錆方法。
（５）前記Ｚｎ合金粒子が、略球状多面体の面数が２面以上であることを特徴とする、前記（１）〜（４）の何れかに記載の船舶鋼材の防錆方法。
（６）前記無機系プライマーまたは前記有機系プライマーは、前記Ｚｎ合金粒子に加え、更に、平均粒子径０．０５〜５０μｍのＺｎおよび不可避的不純物からなるＺｎ金属粒子を含有することを特徴とする前記（１）〜（５）の何れか１項に記載の船舶鋼材の防錆方法。
（７）質量％で、（前記Ｚｎ合金粒子量）：（前記Ｚｎ金属粒子量）の比の値を１／ｘとしたとき、Ｘが３００．０以下であり、かつ、質量％で、前記Ｚｎ合金粒子と前記Ｚｎ金属粒子の混合粒子の合計を１００％としたとき、Ｍｇの含有量が、０．０１〜３０％未満であることを特徴とする、前記（６）に記載の船舶鋼材の防錆方法。
The present invention has been made based on the above studies, and the features thereof are as follows.
(1) mass% Mg: contains 0.01 to 30% by colliding the primary particles from the remainder Zn and unavoidable impurities ing each other, or the primary particles collide with a solid, formed Having a physical fracture surface and / or a crack having a length of 0.01 μm or more, or a crack having a depth of 0.01 μm or more, an average particle diameter of 0.05 to 200 μm, and a maximum diameter and a minimum diameter Inorganic primer comprising 30% or more by mass% of Zn alloy particles having an average aspect ratio (maximum diameter / minimum diameter) of 1 to 1.5 in a dry coating film and the balance being an inorganic binder. Alternatively , an organic primer composed of the remaining organic binder is applied as an undercoat layer to form a primer layer having a coating thickness of 2 to 300 μm, and is placed in an environment with a relative humidity of 30% to 100%. Rust prevention method for ship steel
(2) The Zn alloy particles further contain one or two kinds of Al: 0.01 to 30% and Si: 0.01 to 3% by mass%. ) For rust prevention of marine steel materials.
(3) The rust prevention method for marine steel according to (1) or (2), wherein the Zn alloy particles have an Mg solid solution phase and a Zn—Mg intermetallic compound on the surface.
(4) In the above (3), the intermetallic compound of the Zn alloy particles contains one or more of MgZn 2 , Mg 2 Zn 11 , Mg 2 Zn 3 , MgZn, or Mg 7 Zn 3. The rust-proofing method of the ship steel materials as described.
(5) The ship steel material rust prevention method according to any one of (1) to (4), wherein the Zn alloy particles have two or more substantially spherical polyhedrons.
(6) the inorganic primer or the organic primer, in addition to the Zn alloy particles, further, a feature that you containing Zn metal particles consisting of Zn and unavoidable impurities having an average particle size of 0.05~50μm The marine steel material rust prevention method according to any one of (1) to (5) above.
(7) In mass%, when the ratio value of (Zn alloy particle amount) :( Zn metal particle amount) is 1 / x, X is 300.0 or less, and in mass%, when the sum of the mixed particles of the Zn alloy particles and said Zn metal particles is 100%, the Mg content, and less than 0.01 to 30%, the ship according to (6)舶Rust prevention method for steel .
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008027574A JP5130071B2 (en) | 2007-02-08 | 2008-02-07 | Rust prevention method for marine steel |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007029247 | 2007-02-08 | ||
| JP2007029247 | 2007-02-08 | ||
| JP2008027574A JP5130071B2 (en) | 2007-02-08 | 2008-02-07 | Rust prevention method for marine steel |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008223137A JP2008223137A (en) | 2008-09-25 |
| JP2008223137A5 true JP2008223137A5 (en) | 2012-04-12 |
| JP5130071B2 JP5130071B2 (en) | 2013-01-30 |
Family
ID=39842088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008027574A Expired - Fee Related JP5130071B2 (en) | 2007-02-08 | 2008-02-07 | Rust prevention method for marine steel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5130071B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011037949A (en) * | 2009-08-07 | 2011-02-24 | Nippon Steel Corp | Zn ALLOY PARTICLE HAVING FRACTURED SURFACE FOR HIGHLY CORROSION-RESISTANT AND RUSTPROOF COATING, HIGHLY CORROSION-RESISTANT AND RUSTPROOF COATING, HIGHLY CORROSION-RESISTANT STEEL MATERIAL AND STEEL STRUCTURE |
| CN102086313B (en) * | 2010-11-04 | 2012-08-29 | 江苏麟龙新材料股份有限公司 | Magnesium-containing coating for marine climate-resistant anticorrosion treatment |
| DE102012107634A1 (en) | 2012-08-20 | 2014-02-20 | Eckart Gmbh | Zinc-magnesium anticorrosion pigments, anticorrosive paint and process for the preparation of anticorrosive pigments |
| DE102012107633A1 (en) * | 2012-08-20 | 2014-02-20 | Eckart Gmbh | Zinc magnesium alloy corrosion protection pigments, anticorrosive paint and process for the preparation of anticorrosive pigments |
| JP6810420B2 (en) * | 2017-02-07 | 2021-01-06 | ダイキ工業株式会社 | Undercoat material and coating film forming method using this |
| CN111020246A (en) * | 2019-11-19 | 2020-04-17 | 河海大学 | High-toughness medical biodegradable zinc alloy based on superfine three-phase eutectic structure reinforcement and preparation method thereof |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58129070A (en) * | 1982-01-29 | 1983-08-01 | Mitsui Mining & Smelting Co Ltd | Rust preventing coating material composition |
| JPS58199805A (en) * | 1982-05-14 | 1983-11-21 | Nippon Soda Co Ltd | Manufacture of alloy powder |
| JPS5918765A (en) * | 1982-07-23 | 1984-01-31 | Mitsui Mining & Smelting Co Ltd | Coating material composition for coated steel plate |
| JPS5952645A (en) * | 1982-09-17 | 1984-03-27 | 日新製鋼株式会社 | Welding painted steel plate having excellent powdering-resisting property |
| JPS59171645A (en) * | 1983-03-19 | 1984-09-28 | 日新製鋼株式会社 | Weldable coated steel plate having excellent corrosion protection |
| JPS59212256A (en) * | 1983-05-17 | 1984-12-01 | 日新製鋼株式会社 | Weldable double layer coated steel plate having excellent corrosion protection |
| JPS60149788A (en) * | 1984-01-17 | 1985-08-07 | Nisshin Steel Co Ltd | Weldable painted steel sheet having excellent resistance to powdering |
| JP3753162B2 (en) * | 1997-04-07 | 2006-03-08 | 吉川工業株式会社 | Method for producing metal powder for paint pigment |
| JPH11140511A (en) * | 1997-11-11 | 1999-05-25 | Daiken Kagaku Kogyo Kk | Production of monodispersed metal fine particle powder |
| JP4637978B2 (en) * | 1998-09-07 | 2011-02-23 | 新日本製鐵株式会社 | Corrosion-resistant paint and corrosion-resistant steel material coated with the same |
| JP2001164194A (en) * | 1999-12-13 | 2001-06-19 | Nippon Steel Corp | Zinc-rich coating excellent in corrosion-resistant property and coated metal plate |
| JP2003213394A (en) * | 2002-01-25 | 2003-07-30 | Nisshin Steel Co Ltd | Coated steel sheet and production method therefor |
| JP4585224B2 (en) * | 2004-04-28 | 2010-11-24 | 新日本製鐵株式会社 | High corrosion resistance zinc-based alloy coated steel coating |
| JP2005336432A (en) * | 2004-05-31 | 2005-12-08 | Nippon Steel Corp | Coating for steel material and steel material having excellent corrosion resistance and rust preventing property |
-
2008
- 2008-02-07 JP JP2008027574A patent/JP5130071B2/en not_active Expired - Fee Related
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