CN105331917A - 一种钢结构表面镀覆锌镍双层钝化膜的方法 - Google Patents
一种钢结构表面镀覆锌镍双层钝化膜的方法 Download PDFInfo
- Publication number
- CN105331917A CN105331917A CN201510725932.7A CN201510725932A CN105331917A CN 105331917 A CN105331917 A CN 105331917A CN 201510725932 A CN201510725932 A CN 201510725932A CN 105331917 A CN105331917 A CN 105331917A
- Authority
- CN
- China
- Prior art keywords
- steel
- zinc
- passive film
- nickel
- steel structure
- 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.)
- Granted
Links
Classifications
-
- 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium 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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
-
- 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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/40—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates
- C23C22/42—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates containing also phosphates
-
- 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
- C23C28/02—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 only coatings only including layers of metallic material
- C23C28/021—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 only coatings only including layers of metallic material including at least one metal alloy layer
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/088—Iron or steel solutions containing organic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
本发明公开了一种钢结构表面镀覆锌镍双层钝化膜的方法,包括如下步骤:(1)前处理;(2)热镀锌;(3)冷却处理;(4)化学镀镍及钝化处理;(5)干燥成型。本发明一种钢结构表面镀覆锌镍双层钝化膜的方法,通过合理的工艺设计,先后在钢铁表面镀覆锌、镍双层钝化膜,且将化学镀镍与钝化处理同步进行,不仅简化了工艺,提高了效率,而且对整个镍层进行彻底的钝化处理,有效提高了钝化效果;本发明所制得的双层金属钝化层有效提高了钢铁的耐腐蚀性、耐酸性和使用寿命。
Description
技术领域
本发明涉及金属表面处理技术领域,特别是涉及一种钢结构表面镀覆锌镍双层钝化膜的方法。
背景技术
应用表面覆膜的技术可以大大提高材料的耐腐蚀性。现有钢铁或金属表面通常采用电镀金属锌和钝化液处理的方法进行表面保护。单一的钝化镀锌层可以在一定程度上保护镀件的防腐、抗酸、抗氧化等性能,但随着对行业对耐腐蚀性要求的提高,单一的钝化镀层已经满足不了行业及市场的要求。
发明内容
本发明主要解决的技术问题是提供一种钢结构表面镀覆锌镍双层钝化膜的方法。
为解决上述技术问题,本发明采用的一个技术方案是:提供一种钢结构表面镀覆锌镍双层钝化膜的方法,包括如下步骤:
(1)前处理:指在钢铁件表面涂覆除锈剂;
(2)热镀锌:将步骤(1)中除锈后的钢铁用蒸馏水冲洗干净,预热后,再将其置入镀锌锅中进行热浸镀锌处理;
(3)冷却处理:将步骤(2)中的镀锌后的钢铁立即置入冷却水中进行冷却处理;
(4)化学镀镍及钝化处理:将步骤(3)中冷却后的镀锌钢铁浸渍在化学镀镍槽中,边进行化学镀镍边进行钝化封孔处理;
(5)干燥成型:将步骤(4)中化学镀镍及钝化处理后的钢铁取出干燥,得到表面镀覆双层钝化膜的钢铁。
在本发明一个较佳实施例中,所述步骤(1)中,所述除锈剂的配方为:水80份、磷酸盐缓冲液3份、单宁酸15份、润湿剂3份、异丙醇8份、分散剂0.5份、流平剂1份。
在本发明一个较佳实施例中,所述步骤(2)中,所述镀锌液中Al含量为30~35%、Zn含量为60~70%、Fe含量为0.02~0.2%、Si含量为0.5~1.8%。
在本发明一个较佳实施例中,所述步骤(2)中,所述镀锌的工艺条件为:钢铁预热温度440~460℃,镀锌液温度440~460℃,热浸镀时间2~3min。
在本发明一个较佳实施例中,所述步骤(4)中,所述化学镀镍及钝化溶液的配方为:7水硫酸镍25~30g/L,水杨酸12~15g/L,钼酸15~20g/L,硝酸钠6~10g/L、磷酸钠10~15g/L、磷酸二氢钠25~30g/L、封闭剂8~10g/L、钼磷酸铵10~15g/L、磷酸铵8~15g/L、抗氧性添加剂4~6g/L、成膜剂3~5g/L。
在本发明一个较佳实施例中,所述步骤(4)中,所述化学镀镍及钝化的工艺条件为:温度25~28℃,时间20~30min。
在本发明一个较佳实施例中,所述封闭剂为正硅酸;所述成膜剂为氟硅酸钠;所述抗氧性添加剂为丁基辛基二苯胺和对,对一二异辛基二苯胺以2~3:1的质量比的混合物。
在本发明一个较佳实施例中,所述步骤(5)中,所述干燥方法为:温度为60~70℃的热氮气吹干。
本发明的有益效果是:本发明一种钢结构表面镀覆锌镍双层钝化膜的方法,通过合理的工艺设计,先后在钢铁表面镀覆锌、镍双层钝化膜,且将化学镀镍与钝化处理同步进行,不仅简化了工艺,提高了效率,而且对整个镍层进行彻底的钝化处理,有效提高了钝化效果;本发明所制得的双层金属钝化层有效提高了钢铁的耐腐蚀性、耐酸性和使用寿命。
具体实施方式
下面对本发明的较佳实施例进行详细阐述,以使本发明的优点和特征能更易于被本领域技术人员理解,从而对本发明的保护范围做出更为清楚明确的界定。
本发明实施例包括:
实施例1
一种钢结构表面镀覆锌镍双层钝化膜的方法,具体步骤如下:
(1)前处理:将钢铁件表面进行去污清洗后,再在其表面均匀涂覆一层除锈剂,使钢铁件上的铁锈与除锈剂发生反应生成惰性物质,一方面可以防治铁锈的存在使钢铁件在金属膜内锈蚀损坏;另一方面,经去锈处理后,使钢铁件的裸露,便于镍层的稳固;
所述除锈剂的配方为:水80份、磷酸盐缓冲液3份、单宁酸15份、润湿剂3份、异丙醇8份、分散剂0.5份、流平剂1份;
(2)热镀锌:将步骤(1)中除锈后的钢铁用蒸馏水冲洗干净,预热至460℃后,再将其置入镀锌锅中,在460℃下热浸镀锌2min;
所述镀锌液中Al含量为35%、Zn含量为63.9%、Fe含量为0.02%、Si含量为1.08%;
(3)冷却处理:将上述镀锌后的钢铁立即置入冷却水中进行冷却处理0.5~1.5h,至钢铁表面的锌层稳固;
(4)化学镀镍及钝化处理:将步骤(3)中冷却后的镀锌钢铁浸渍在温度为25℃的化学镀镍槽中,边进行化学镀镍边进行钝化封孔处理30min;
所述化学镀镍及钝化溶液的配方为:7水硫酸镍25g/L,水杨酸12g/L,钼酸15g/L,硝酸钠6g/L、磷酸钠10g/L、磷酸二氢钠25g/L、封闭剂8g/L、钼磷酸铵10g/L、磷酸铵8g/L、抗氧性添加剂4g/L、成膜剂3g/L;其中,所述封闭剂为正硅酸;所述成膜剂为氟硅酸钠;所述抗氧性添加剂为丁基辛基二苯胺和对,对一二异辛基二苯胺以2:1的质量比的混合物;
该化学镀镍及钝化溶液集化学镀镍功能及钝化处理作用于一体,可以边进行化学镀镍边进行封孔钝化处理,将生成的镍层进行彻底的封孔钝化,与先化学镀或电镀再进行钝化处理的工艺相比,不仅简化了工艺,大大节约了时间,而且还有效改善了金属膜的稳固性能,有效提高了钢铁的耐腐蚀性、耐酸性和使用寿命;
(5)干燥成型:将上述化学镀镍及钝化处理后的钢铁取出后,用温度为60~70℃的热氮气吹干,得到表面镀覆双层钝化膜的钢铁。
实施例2
一种钢结构表面镀覆锌镍双层钝化膜的方法,具体步骤如下:
(1)前处理:将钢铁件表面进行去污清洗后,再在其表面均匀涂覆一层除锈剂,使钢铁件上的铁锈与除锈剂发生反应生成惰性物质,一方面可以防治铁锈的存在使钢铁件在金属膜内锈蚀损坏;另一方面,经去锈处理后,使钢铁件的裸露,便于镍层的稳固;
所述除锈剂的配方为:水80份、磷酸盐缓冲液3份、单宁酸15份、润湿剂3份、异丙醇8份、分散剂0.5份、流平剂1份;
(2)热镀锌:将步骤(1)中除锈后的钢铁用蒸馏水冲洗干净,预热至440℃后,再将其置入镀锌锅中,在440℃下热浸镀锌3min;
所述镀锌液中Al含量为30%、Zn含量为68%、Fe含量为0.2%、Si含量为1.8%;
(3)冷却处理:将上述镀锌后的钢铁立即置入冷却水中进行冷却处理0.5~1.5h,至钢铁表面的锌层稳固;
(4)化学镀镍及钝化处理:将步骤(3)中冷却后的镀锌钢铁浸渍在温度为28℃的化学镀镍槽中,边进行化学镀镍边进行钝化封孔处理20min;
所述化学镀镍及钝化溶液的配方为:7水硫酸镍30g/L,水杨酸15g/L,钼酸20g/L,硝酸钠10g/L、磷酸钠15g/L、磷酸二氢钠30g/L、封闭剂10g/L、钼磷酸铵15g/L、磷酸铵15g/L、抗氧性添加剂6g/L、成膜剂5g/L;其中,所述封闭剂为正硅酸;所述成膜剂为氟硅酸钠;所述抗氧性添加剂为丁基辛基二苯胺和对,对一二异辛基二苯胺以3:1的质量比的混合物;
该化学镀镍及钝化溶液集化学镀镍功能及钝化处理作用于一体,可以边进行化学镀镍边进行封孔钝化处理,将生成的镍层进行彻底的封孔钝化,与先化学镀或电镀再进行钝化处理的工艺相比,不仅简化了工艺,大大节约了时间,而且还有效改善了金属膜的稳固性能,有效提高了钢铁的耐腐蚀性、耐酸性和使用寿命;
(5)干燥成型:将上述化学镀镍及钝化处理后的钢铁取出后,用温度为60~70℃的热氮气吹干,得到表面镀覆双层钝化膜的钢铁。
以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书内容所作的等效结构或等效流程变换,或直接或间接运用在其他相关的技术领域,均同理包括在本发明的专利保护范围内。
Claims (8)
1.一种钢结构表面镀覆锌镍双层钝化膜的方法,其特征在于,包括如下步骤:
(1)前处理:指在钢铁件表面涂覆除锈剂;
(2)热镀锌:将步骤(1)中除锈后的钢铁用蒸馏水冲洗干净,预热后,再将其置入镀锌锅中进行热浸镀锌处理;
(3)冷却处理:将步骤(2)中的镀锌后的钢铁立即置入冷却水中进行冷却处理;
(4)化学镀镍及钝化处理:将步骤(3)中冷却后的镀锌钢铁浸渍在化学镀镍槽中,边进行化学镀镍边进行钝化封孔处理;
(5)干燥成型:将步骤(4)中化学镀镍及钝化处理后的钢铁取出干燥,得到表面镀覆双层钝化膜的钢铁。
2.根据权利要求1所述的钢结构表面镀覆锌镍双层钝化膜的方法,其特征在于,所述步骤(1)中,所述除锈剂的配方为:水80份、磷酸盐缓冲液3份、单宁酸15份、润湿剂3份、异丙醇8份、分散剂0.5份、流平剂1份。
3.根据权利要求1所述的钢结构表面镀覆锌镍双层钝化膜的方法,其特征在于,所述步骤(2)中,所述镀锌液中Al含量为30~35%、Zn含量为60~70%、Fe含量为0.02~0.2%、Si含量为0.5~1.8%。
4.根据权利要求1所述的钢结构表面镀覆锌镍双层钝化膜的方法,其特征在于,所述步骤(2)中,所述镀锌的工艺条件为:钢铁预热温度440~460℃,镀锌液温度440~460℃,热浸镀时间2~3min。
5.根据权利要求1所述的钢结构表面镀覆锌镍双层钝化膜的方法,其特征在于,所述步骤(4)中,所述化学镀镍及钝化溶液的配方为:7水硫酸镍25~30g/L,水杨酸12~15g/L,钼酸15~20g/L,硝酸钠6~10g/L、磷酸钠10~15g/L、磷酸二氢钠25~30g/L、封闭剂8~10g/L、钼磷酸铵10~15g/L、磷酸铵8~15g/L、抗氧性添加剂4~6g/L、成膜剂3~5g/L。
6.根据权利要求1所述的钢结构表面镀覆锌镍双层钝化膜的方法,其特征在于,所述步骤(4)中,所述化学镀镍及钝化的工艺条件为:温度25~28℃,时间20~30min。
7.根据权利要求6所述的钢结构表面镀覆锌镍双层钝化膜的方法,其特征在于,所述封闭剂为正硅酸;所述成膜剂为氟硅酸钠;所述抗氧性添加剂为丁基辛基二苯胺和对,对一二异辛基二苯胺以2~3:1的质量比的混合物。
8.根据权利要求1所述的钢结构表面镀覆锌镍双层钝化膜的方法,其特征在于,所述步骤(5)中,所述干燥方法为:温度为60~70℃的热氮气吹干。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510725932.7A CN105331917B (zh) | 2015-11-02 | 2015-11-02 | 一种钢结构表面镀覆锌镍双层钝化膜的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510725932.7A CN105331917B (zh) | 2015-11-02 | 2015-11-02 | 一种钢结构表面镀覆锌镍双层钝化膜的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105331917A true CN105331917A (zh) | 2016-02-17 |
CN105331917B CN105331917B (zh) | 2017-12-22 |
Family
ID=55282675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510725932.7A Active CN105331917B (zh) | 2015-11-02 | 2015-11-02 | 一种钢结构表面镀覆锌镍双层钝化膜的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105331917B (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106498378A (zh) * | 2016-12-02 | 2017-03-15 | 常熟风范电力设备股份有限公司 | 一种热镀锌钢构件的全无铬钝化工艺 |
CN106544490A (zh) * | 2016-10-28 | 2017-03-29 | 浙江康盛股份有限公司 | 一种制冷用复合镀锌军绿钢管及其制造方法 |
CN107326370A (zh) * | 2017-05-31 | 2017-11-07 | 成都振中电气有限公司 | 电器柜表面除锈液 |
CN108796479A (zh) * | 2017-04-28 | 2018-11-13 | 比亚迪股份有限公司 | 镍保护剂及其制备方法及使用方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101649473A (zh) * | 2008-08-15 | 2010-02-17 | 宝山钢铁股份有限公司 | 一种抗黑变电镀锌钢板及其制造方法 |
CN101876071A (zh) * | 2009-11-24 | 2010-11-03 | 昆明理工大学 | 一种无铬无银的环保型镀锌黑色钝化液及其制备方法 |
CN104404498A (zh) * | 2014-11-12 | 2015-03-11 | 无锡伊佩克科技有限公司 | 镀锌钢板专用无铬钝化剂及其制备方法 |
-
2015
- 2015-11-02 CN CN201510725932.7A patent/CN105331917B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101649473A (zh) * | 2008-08-15 | 2010-02-17 | 宝山钢铁股份有限公司 | 一种抗黑变电镀锌钢板及其制造方法 |
CN101876071A (zh) * | 2009-11-24 | 2010-11-03 | 昆明理工大学 | 一种无铬无银的环保型镀锌黑色钝化液及其制备方法 |
CN104404498A (zh) * | 2014-11-12 | 2015-03-11 | 无锡伊佩克科技有限公司 | 镀锌钢板专用无铬钝化剂及其制备方法 |
Non-Patent Citations (1)
Title |
---|
李东光: "《金属表面处理剂配方手册》", 30 June 2015 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106544490A (zh) * | 2016-10-28 | 2017-03-29 | 浙江康盛股份有限公司 | 一种制冷用复合镀锌军绿钢管及其制造方法 |
CN106498378A (zh) * | 2016-12-02 | 2017-03-15 | 常熟风范电力设备股份有限公司 | 一种热镀锌钢构件的全无铬钝化工艺 |
CN108796479A (zh) * | 2017-04-28 | 2018-11-13 | 比亚迪股份有限公司 | 镍保护剂及其制备方法及使用方法 |
CN108796479B (zh) * | 2017-04-28 | 2020-02-07 | 比亚迪股份有限公司 | 镍保护剂及其制备方法及使用方法 |
CN107326370A (zh) * | 2017-05-31 | 2017-11-07 | 成都振中电气有限公司 | 电器柜表面除锈液 |
Also Published As
Publication number | Publication date |
---|---|
CN105331917B (zh) | 2017-12-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102368438B (zh) | 一种钕铁硼磁体的表面复合防护方法 | |
CN105331917A (zh) | 一种钢结构表面镀覆锌镍双层钝化膜的方法 | |
RU2010107612A (ru) | Композиции для предварительной обработки и способы нанесения покрытия на металлическую подложку | |
CN103266313B (zh) | 一种电镀锌环保钝化液及其使用方法 | |
CN105779988A (zh) | 一种电镀锌用无铬钝化溶液及其钝化工艺 | |
WO2012036199A1 (ja) | 容器用鋼板およびその製造方法 | |
CN105112904B (zh) | 一种机械镀铜及铜合金镀层用沉积促进剂及应用 | |
CN109256256B (zh) | 一种表面电镀锌镍合金的钕铁硼磁体及其制备工艺 | |
CN109208050B (zh) | 一种提高电解铜箔耐腐蚀性的表面处理方法 | |
CN106521586A (zh) | 一种钕铁硼磁体的电镀锌方法 | |
CN103668043A (zh) | 一种扩散渗锌镀层的方法 | |
CN106868493A (zh) | 一种不锈钢表面消光发黑处理方法 | |
CN107574430A (zh) | 一种硅酸盐蓝白钝化液及其制备方法 | |
CN104498921B (zh) | 一种镀锌表面化学转化专用处理剂及其处理工艺 | |
CN101525747B (zh) | 一种清洁型稀土盐钝化液 | |
CN102747360A (zh) | 镀锌钢板钼酸盐/多聚磷酸盐复合体系无铬钝化方法 | |
CN101013628A (zh) | 一种粘接钕铁硼磁体有机封孔和阴极电泳复合表面防护技术 | |
CN101660156B (zh) | 一种镀锌材料用硅酸盐彩色钝化液 | |
CN104328418A (zh) | 一种钢材热浸镀锌表面环保钝化工艺 | |
CN102492912B (zh) | 一种单镀锌-10%铝-稀土合金助镀剂及其使用方法 | |
CN105734630B (zh) | 在低碳钢表面制备高耐腐蚀性的铜锌铜复合镀层的方法 | |
CN103334100A (zh) | 一种机械镀锌工艺 | |
CN101435097B (zh) | 一种镁合金表面上无氰电镀金属层的方法 | |
US9435047B2 (en) | Process for corrosion protection of iron containing materials | |
CN105401140B (zh) | 一种镀锌用彩色钝化液及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |