CN105714229A - Al-Zn-Si-C hot-dip coating liquid and hot-dip coating process - Google Patents
Al-Zn-Si-C hot-dip coating liquid and hot-dip coating process Download PDFInfo
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- CN105714229A CN105714229A CN201610159933.4A CN201610159933A CN105714229A CN 105714229 A CN105714229 A CN 105714229A CN 201610159933 A CN201610159933 A CN 201610159933A CN 105714229 A CN105714229 A CN 105714229A
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- hot
- metalwork
- plating solution
- carbon
- dip aluminizing
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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
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
- C22C18/04—Alloys based on zinc with aluminium as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/06—Alloys containing less than 50% by weight of each constituent containing zinc
-
- 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
- C23C2/12—Aluminium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
- C22C2026/002—Carbon nanotubes
Abstract
The invention relates to Al-Zn-Si-C hot-dip coating liquid and a hot-dip coating process. The Al-Zn-Si-C hot-dip coating liquid consists of Al, Zn, Si and C. By adopting the Al-Zn-Si-C hot-dip coating liquid and the hot-dip coating process, the surface density of Al-Zn hot-dip coating is reserved, so that high corrosion-resistance is obtained, and the cathode protection capacity of Zn hot-dip coating is obtained. The service life of metal a workpiece is greatly prolonged; material waste is reduced; and the Al-Zn-Si-C hot-dip coating liquid and the hot-dip coating process are more environment-friendly.
Description
Technical field
The present invention relates to a kind of hot-dip aluminizing zinc silicon-carbon plating solution and or immersion.
Background technology
Metal material especially ferrum and alloy thereof are manufacturing and in use procedure, it is easy to corrosion occurs, causes substantial amounts of waste of material and environmental issue.The hot-dip right and wrong method preventing corrosion usually, generally has the methods such as galvanizing by dipping, hot-dip aluminizing zinc.Galvanizing by dipping is pure zinc plating; resistance to corrosion is more weak; in general neutral salt spray test was less than 500 hours; hot-dip aluminizing zinc is the improvement technique of galvanizing by dipping; resistance to corrosion is remarkably reinforced; but due to surface compact, coating cannot form fluffy zinc oxide layer, the deleterious of cathodic protection.When there is little defect on the surface of test specimen, it is impossible to test specimen itself protected by sacrificial surface coating, as long as thus causing there is little defect, corrosion condition can be very serious.
Summary of the invention
Due to prior art Problems existing, it is an object of the invention to provide a kind of hot-dip aluminizing zinc silicon-carbon plating solution and or immersion, the present invention is on the basis of hot-dip aluminizing zinc, introducing silicon and two kinds of inorganic non-metallic elements of carbon, two kinds of Inorganic Non-metallic Materials form different microstructures with zinc, aluminum respectively in coating.Silicon-carbon and aluminum define dendritic network skeleton, and between the space of skeleton, silicon-carbon and zinc define eutectic structure.Such coating had both remained the surface soundness of hot-dip aluminizing zinc and the stronger resistance to corrosion that obtains, the cathodic protection ability of galvanizing of having got back.
For achieving the above object, the present invention can be achieved by the following technical programs:
A kind of hot-dip aluminizing zinc silicon-carbon plating solution of the present invention, described hot-dip aluminizing zinc silicon-carbon plating solution is made up of aluminum, zinc, silicon and carbon.
As preferred technical scheme:
A kind of hot-dip aluminizing zinc silicon-carbon plating solution of the present invention, in described hot-dip aluminizing zinc silicon-carbon plating solution, each constituent mass percentage ratio is as follows:
A kind of hot-dip aluminizing zinc silicon-carbon plating solution of the present invention, described carbon is Graphene or CNT.
Child of the present invention also proposes the or immersion of more than one described hot-dip aluminizing zinc silicon-carbon plating solutions, and described or immersion flow process is as follows:
1) metalwork is carried out, removes surface dirt；
2) metalwork is carried out further cleaning by degreasing, remove surface rust and oils and fats impurity；
3) metalwork is carried out pure water cleaning, remove the degreasing agent of remained on surface；
4) metalwork is dried preheating；
5) metalwork is immersed hot-dip aluminizing zinc silicon-carbon plating solution and stirs simultaneously；
6) metalwork cooled down and carry out surface passivation.
Or immersion of the present invention, described hot-dip aluminizing zinc silicon-carbon bath temperature is 550-650 DEG C；Plating solution surface uses nitrogen or argon shield.
Or immersion of the present invention, described step 1) in clean with tap water.
Or immersion of the present invention, described step 2) in cleaning by degreasing refer to adopt acid degreasing agent to clean the 160-180 second when 5-35 degree Celsius.
Or immersion of the present invention, described step 4) middle drying temperature 300-750 degree Celsius；Described step 5) in 5-50 minute immersion time.
Or immersion of the present invention, in described step 6, cooling is natural cooling.
Or immersion of the present invention, the test of described metalwork neutral salt spray can reach 500-5000 hour.
Beneficial effect:
Owing to adopting above technical scheme, the technique of a kind of hot-dip aluminizing zinc silicon-carbon of the present invention, both remained the surface soundness of hot-dip aluminizing zinc and the stronger resistance to corrosion that obtains, the cathodic protection ability of galvanizing of having got back.The service life making metal works is greatly prolonged, and reduces waste of material, more environmentally-friendly.
Accompanying drawing explanation
Fig. 1 is the crystallography schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is expanded on further.Should be understood that these embodiments are merely to illustrate the present invention rather than restriction the scope of the present invention.In addition, it is to be understood that after having read the content that the present invention lectures, the present invention can be made various changes or modifications by those skilled in the art, and these equivalent form of values fall within the application appended claims limited range equally.
Embodiment 1
A kind of technique of hot-dip aluminizing zinc silicon-carbon, plating solution is made up of aluminum, zinc, silicon, carbon, and in plating solution, each constituent mass percentage ratio is as follows:
Bath temperature 550 DEG C.Plating solution surface uses nitrogen protection.As it is shown in figure 1, be the crystallography schematic diagram of dip calorizing zinc silicon-carbon.
After below scheme:
(1) metalwork is carried out tap water cleaning, remove surface dirt；
(2) impurity such as the Glean2111 acid degreasing agent being undertaken metalwork using Shanghai Wei Yu new material scientific & technical corporation to develop further, 30 degrees Celsius of cleanings 170 seconds, removes surface rust, oils and fats；
(3) metalwork is carried out pure water cleaning, remove the degreasing agent of remained on surface；
(4) metalwork is dried preheating 300 DEG C；
(5) metalwork is immersed plating solution 5 minutes and stirs simultaneously；
(6) by metalwork natural cooling and carry out surface passivation；
Obtained metalwork NSS salt spray test actual result is 900 hours.
Embodiment 2
A kind of technique of hot-dip aluminizing zinc silicon-carbon, plating solution is made up of aluminum, zinc, silicon, carbon, and in plating solution, each constituent mass percentage ratio is as follows:
Bath temperature 650 DEG C.Plating solution surface uses argon shield.
After below scheme:
(1) metalwork is carried out tap water cleaning, remove surface dirt
(2) impurity such as the Glean2113 acid degreasing agent being undertaken metalwork using Shanghai Wei Yu new material scientific & technical corporation to develop further, 22 degrees Celsius of cleanings 175 seconds, removes surface rust, oils and fats
(3) metalwork is carried out pure water cleaning, remove the degreasing agent of remained on surface
(4) metalwork is dried preheating 750 DEG C；
(5) metalwork is immersed plating solution 50 minutes and stirs simultaneously
(6) by metalwork natural cooling and carry out surface passivation
Obtained metalwork NSS salt spray test actual result is 2900 hours.
Embodiment 3
A kind of technique of hot-dip aluminizing zinc silicon-carbon, plating solution is made up of aluminum, zinc, silicon, carbon, and in plating solution, each constituent mass percentage ratio is as follows:
Bath temperature 640 DEG C.Plating solution surface uses argon shield.
After below scheme:
(1) metalwork is carried out tap water cleaning, remove surface dirt；
(2) impurity such as the Glean2112 acid degreasing agent being undertaken metalwork using Shanghai Wei Yu new material scientific & technical corporation to develop further, 30 degrees Celsius of cleanings 175 seconds, removes surface rust, oils and fats；
(3) metalwork is carried out pure water cleaning, remove the degreasing agent of remained on surface；
(4) metalwork is dried preheating 350 DEG C；
(5) metalwork is immersed plating solution 15 minutes and stirs simultaneously；
(6) by metalwork natural cooling and carry out surface passivation；
Obtained metalwork NSS salt spray test actual result is 2500 hours.
Embodiment 4
A kind of technique of hot-dip aluminizing zinc silicon-carbon, plating solution is made up of aluminum, zinc, silicon, carbon, and in plating solution, each constituent mass percentage ratio is as follows:
Bath temperature 640 DEG C.Plating solution surface uses argon shield.
After below scheme:
(1) metalwork is carried out tap water cleaning, remove surface dirt；
(2) impurity such as the Glean2111 acid degreasing agent being undertaken metalwork using Shanghai Wei Yu new material scientific & technical corporation to develop further, 25 degrees Celsius of cleanings 170 seconds, removes surface rust, oils and fats；
(3) metalwork is carried out pure water cleaning, remove the degreasing agent of remained on surface；
(4) metalwork is dried preheating 450 DEG C；
(5) metalwork is immersed plating solution 25 minutes and stirs simultaneously；
(6) by metalwork natural cooling and carry out surface passivation；
Obtained metalwork NSS salt spray test actual result is 1900 hours.
Embodiment 5
A kind of technique of hot-dip aluminizing zinc silicon-carbon, plating solution is made up of aluminum, zinc, silicon, carbon, and in plating solution, each constituent mass percentage ratio is as follows:
Bath temperature 620 DEG C.Plating solution surface uses argon shield.
After below scheme:
(1) metalwork is carried out tap water cleaning, remove surface dirt；
(2) impurity such as the Glean2111 acid degreasing agent that metalwork carries out use Shanghai Wei Yu new material scientific & technical corporation development further cleans 165 seconds when 15 degrees Celsius, removes surface rust, oils and fats；
(3) metalwork is carried out pure water cleaning, remove the degreasing agent of remained on surface；
(4) metalwork is dried preheating 550 DEG C；
(5) metalwork is immersed plating solution 35 minutes and stirs simultaneously；
(6) by metalwork natural cooling and carry out surface passivation；
Obtained metalwork NSS salt spray test actual result is 1600 hours.
Embodiment 6
A kind of technique of hot-dip aluminizing zinc silicon-carbon, plating solution is made up of aluminum, zinc, silicon, carbon, and in plating solution, each constituent mass percentage ratio is as follows:
Bath temperature 600 DEG C.Plating solution surface uses argon shield.
After below scheme:
(1) metalwork is carried out tap water cleaning, remove surface dirt；
(2) impurity such as the Glean2112 acid degreasing agent being undertaken metalwork using Shanghai Wei Yu new material scientific & technical corporation to develop further, 5 degrees Celsius of cleanings 160 seconds, removes surface rust, oils and fats；
(3) metalwork is carried out pure water cleaning, remove the degreasing agent of remained on surface；
(4) metalwork is dried preheating 650 DEG C；
(5) metalwork is immersed plating solution 40 minutes and stirs simultaneously；
(6) by metalwork natural cooling and carry out surface passivation；
Obtained metalwork NSS salt spray test actual result is 1400 hours.
Embodiment 7
A kind of technique of hot-dip aluminizing zinc silicon-carbon, plating solution is made up of aluminum, zinc, silicon, carbon, and in plating solution, each constituent mass percentage ratio is as follows:
Bath temperature 580 DEG C.Plating solution surface uses nitrogen protection.
After below scheme:
(1) metalwork is carried out tap water cleaning, remove surface dirt；
(2) impurity such as the Glean2111 acid degreasing agent being undertaken metalwork using Shanghai Wei Yu new material scientific & technical corporation to develop further, 35 degrees Celsius of cleanings 180 seconds, removes surface rust, oils and fats；
(3) metalwork is carried out pure water cleaning, remove the degreasing agent of remained on surface；
(4) metalwork is dried preheating 500 DEG C；
(5) metalwork is immersed plating solution 6 minutes and stirs simultaneously；
(6) by metalwork natural cooling and carry out surface passivation；
Obtained metalwork NSS salt spray test actual result is 1200 hours.
Claims (10)
1. a hot-dip aluminizing zinc silicon-carbon plating solution, is characterized in that: described hot-dip aluminizing zinc silicon-carbon plating solution is made up of aluminum, zinc, silicon and carbon.
2. a kind of hot-dip aluminizing zinc silicon-carbon plating solution according to claim 1, it is characterised in that in described hot-dip aluminizing zinc silicon-carbon plating solution, each constituent mass percentage ratio is as follows:
3. a kind of hot-dip aluminizing zinc silicon-carbon plating solution according to claim 1, it is characterised in that described carbon is Graphene or CNT.
4. an or immersion for employing any one hot-dip aluminizing zinc silicon-carbon plating solution as described in claim 1-3, is characterized in that described or immersion flow process is as follows:
1) metalwork is carried out, removes surface dirt；
2) metalwork is carried out further cleaning by degreasing, remove surface rust and oils and fats impurity；
3) metalwork is carried out pure water cleaning, remove the degreasing agent of remained on surface；
4) metalwork is dried preheating；
5) metalwork is immersed hot-dip aluminizing zinc silicon-carbon plating solution and stirs simultaneously；
6) metalwork cooled down and carry out surface passivation.
5. or immersion according to claim 4, it is characterised in that described hot-dip aluminizing zinc silicon-carbon bath temperature is 550-650 DEG C；Plating solution surface uses nitrogen or argon shield.
6. or immersion according to claim 4, it is characterised in that described step 1) in clean with tap water.
7. or immersion according to claim 4, it is characterised in that described step 2) in cleaning by degreasing refer to adopt acid degreasing agent clean the 160-180 second when 5-35 degree Celsius.
8. or immersion according to claim 4, it is characterised in that described step 4) middle drying temperature 300-750 degree Celsius；Described step 5) in 5-50 minute immersion time.
9. or immersion according to claim 4, it is characterised in that in described step 6, cooling is natural cooling.
10. or immersion according to claim 4, it is characterised in that the test of described metalwork neutral salt spray can reach 500-5000 hour.
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| CN201610159933.4A CN105714229B (en) | 2016-03-21 | 2016-03-21 | A kind of hot-dip aluminizing zinc silicon-carbon plating solution and or immersion |
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| CN201610159933.4A CN105714229B (en) | 2016-03-21 | 2016-03-21 | A kind of hot-dip aluminizing zinc silicon-carbon plating solution and or immersion |
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| CN105714229B CN105714229B (en) | 2018-09-07 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107245596A (en) * | 2017-06-07 | 2017-10-13 | 湘潭大学 | A kind of CNT strengthens the preparation method of Zinc-base compounded material |
| CN108103429A (en) * | 2016-11-25 | 2018-06-01 | 上海梅山钢铁股份有限公司 | A kind of production method of hot-dip aluminizing zinc silicon steel plate |
| CN108410237A (en) * | 2018-03-28 | 2018-08-17 | 上海志育新材料科技有限公司 | A kind of the Galfan alloys anticorrosive additive and anti-decaying paint of addition graphene |
| CN109321872A (en) * | 2018-11-08 | 2019-02-12 | 中国石油天然气集团有限公司 | A kind of preparation method of graphene enhancement type aluminising oil pipe |
| CN111094828A (en) * | 2017-09-26 | 2020-05-01 | 日立金属株式会社 | Method for producing black-cored malleable cast iron member formed by plating, and black-cored malleable cast iron member and pipe joint formed by plating |
| CN114717501A (en) * | 2022-04-12 | 2022-07-08 | 惠博新型材料有限公司 | Method for hot dip coating by adopting zinc-based graphene aluminum-silicon alloy |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108103429A (en) * | 2016-11-25 | 2018-06-01 | 上海梅山钢铁股份有限公司 | A kind of production method of hot-dip aluminizing zinc silicon steel plate |
| CN107245596A (en) * | 2017-06-07 | 2017-10-13 | 湘潭大学 | A kind of CNT strengthens the preparation method of Zinc-base compounded material |
| CN111094828A (en) * | 2017-09-26 | 2020-05-01 | 日立金属株式会社 | Method for producing black-cored malleable cast iron member formed by plating, and black-cored malleable cast iron member and pipe joint formed by plating |
| CN111094828B (en) * | 2017-09-26 | 2022-02-08 | 日立金属株式会社 | Method for producing black-cored malleable cast iron member formed by plating, and black-cored malleable cast iron member and pipe joint formed by plating |
| US11486014B2 (en) | 2017-09-26 | 2022-11-01 | Hitachi Metals, Ltd. | Method for producing plated black heart malleable cast iron member, plated black heart malleable cast iron member, and pipe joint |
| CN108410237A (en) * | 2018-03-28 | 2018-08-17 | 上海志育新材料科技有限公司 | A kind of the Galfan alloys anticorrosive additive and anti-decaying paint of addition graphene |
| CN109321872A (en) * | 2018-11-08 | 2019-02-12 | 中国石油天然气集团有限公司 | A kind of preparation method of graphene enhancement type aluminising oil pipe |
| CN114717501A (en) * | 2022-04-12 | 2022-07-08 | 惠博新型材料有限公司 | Method for hot dip coating by adopting zinc-based graphene aluminum-silicon alloy |
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Effective date of registration: 20180831 Address after: 200540 G81 room 2, 2312 East Wei Road, Shanyang Town, Jinshan District, Shanghai. Patentee after: Shanghai Wei Yu new Mstar Technology Ltd Address before: 201612 307 Lane 1588, Ming Zhong Road, Songjiang District, Shanghai. Patentee before: Liu Waiwai |
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