CN107400840A - A kind of nanometer technology galvanized anticorrosive etching technique - Google Patents
A kind of nanometer technology galvanized anticorrosive etching technique Download PDFInfo
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- CN107400840A CN107400840A CN201710613266.7A CN201710613266A CN107400840A CN 107400840 A CN107400840 A CN 107400840A CN 201710613266 A CN201710613266 A CN 201710613266A CN 107400840 A CN107400840 A CN 107400840A
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- zinc
- plated
- workpiece
- etching technique
- nanometer technology
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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
- 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
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- 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
- C23C2/26—After-treatment
Abstract
The invention discloses a kind of nanometer technology galvanized anticorrosive etching technique, mainly include the following steps that：Step 1：Pretreatment；Step 2：Pickling；Step 3：Help plating, fluxing agent is treated into zinc-plated workpiece surface with being applied to, is allowed to form the film that thickness is 0.001 ~ 0.005mm, barrier treats that zinc-plated workpiece contacts with the oxygen in air, then 2 ~ 8h of naturally dry, it is allowed to treat that zinc-plated workpiece surface water content is 2 ~ 10%；Step 4：It is zinc-plated, clear zinc liquid surface zinc gray is struck off, will treat that zinc-plated workpiece is immersed in zinc liquid with 0 ~ 80 ° of angle of inclination, zinc liquid temperature is maintained at 400 ~ 450 DEG C, 5 ~ 10min of galvanizing time, workpiece is taken out, reuses static powder gun by the nano paint powder spray of static electrification to workpiece surface；Step 5：Solidification.The present invention provides a kind of nanometer technology galvanized anticorrosive etching technique, and high using the zinc-plated precision of the technique, anticorrosion ability is good, and zinc-plated workpiece will not produce the Hydrogen Brittleness Phenomena of electrogalvanizing, does not also produce the annealing softening phenomenon of hot-dip.
Description
Technical field
The invention belongs to field of nanometer technology, and in particular to a kind of nanometer technology galvanized anticorrosive etching technique.
Background technology
Because hot dip galvanizing coating surface is more coarse, it is impossible to reach the required precision of tiny component, electroplating technology can make structure
Part produces Hydrogen Brittleness Phenomena, and anticorrosion with painting coating adhesion is very weak, and conventional mechanical is zinc-plated, and coating to be present not fine and close, each to improve
The disadvantages associated of type coating technology, nanometer technology mechanical zinc-plating technical matters become best solution route.
Conventional mechanical is zinc-plated both at home and abroad at present has been widely used in all kinds of fasteners such as screw, nail, pad, tiny structure
Part, stamping parts, casting forge part etc., the machinery that is particularly suitable for use in, electric power, building, automobile, the precision component of industry such as add some points
Galvanized anticorrosive produces.Nanometer technology mechanical zinc-plating anti-corrosion technology, which is succeeded in developing, will substitute conventional mechanical zinc-plated, have very
Important meaning.Existing galvanizing technique easily produces the Hydrogen Brittleness Phenomena of electrogalvanizing and the annealing softening phenomenon of hot-dip.
The content of the invention
In view of the above-mentioned problems, the technical problem to be solved in the present invention is to provide a kind of nanometer technology galvanized anticorrosive etching technique,
Precision is high, and anticorrosion ability is good.
To achieve the above object, the technical scheme is that：A kind of nanometer technology galvanized anticorrosive etching technique, mainly includes
Following steps：
Step 1：Pretreatment, the workpiece surface for treating zinc-plated is pre-processed, and removes all kinds of greasy dirts for treating zinc-plated workpiece surface
And spot；
Step 2：Pickling, in 30 ~ 50 DEG C of insulating box, step 1 is treated that galvanized workpiece is immersed in pickle after pretreated,
For removing the oxidation tunic for treating zinc-plated workpiece surface；
Step 3：Help plating, fluxing agent treated into zinc-plated workpiece surface with being applied to, be allowed to be formed thickness for 0.001 ~
0.005mm film, barrier treat that zinc-plated workpiece contacts with the oxygen in air, then 2 ~ 8h of naturally dry, are allowed to treat zinc-plated
Workpiece surface water content is 2 ~ 10%；
Step 4：It is zinc-plated, clear zinc liquid surface zinc gray is struck off, will treat that zinc-plated workpiece is immersed in zinc liquid with 0 ~ 80 ° of angle of inclination, zinc
Liquid temperature degree is maintained at 400 ~ 450 DEG C, 5 ~ 10min of galvanizing time, takes out workpiece, reuses static powder gun by the nanometer of static electrification
Coating powder sprays to workpiece surface；
Step 5：Solidification, the workpiece that step 4 is zinc-plated and has sprayed is put into curing oven and solidified, solidification furnace temperature is maintained at 100
~ 200 DEG C, 20 ~ 60min of hardening time, normal temperature is cooled to after taking-up, you can.
Further, the preprocess method in the step 1 is to use to embathe method cleaning workpiece surface, specifically will be to be plated
Zinc workpiece is put into 50 ~ 60 DEG C of keeping temperature in treatment fluid, after embathing 3 ~ 10min, take out, using room temperature light water cleaning workpiece 1 ~
10min, then reuse deionized water at room temperature and clean 5 ~ 10min.
Further, the treatment fluid mainly contains sodium carbonate, silicate, phosphate and activated media.
Further, the pickle in the step 2 is the hydrochloric acid solution that concentration is 5 ~ 25%.
Further, the fluxing agent in the step 3 is liquid, and it includes according to parts by weight：5 ~ 14 parts of ammonium chloride, chlorination
3 ~ 9 parts of zinc, 0.5 ~ 3.5 part of rare earth, 3 ~ 6 parts of ferrous oxide.
Further, the nano paint in the step 4 can utilize pure polyester resin coating, acrylic resin coating,
Polypropylene cold coating, epoxy coating, acrylic polyurethane coating, epoxy resin pure polyester resin mixed type powder apply
Material is separately added into 2 ~ 10% nano material and formed for primary raw material, nano material be titanium, cobalt, nickel, silica, additive and
The grinding of other non-ferrous metals, which is sufficiently stirred, to be formed.
Further, the static powder gun is that gas circuit high pressure is built-in, and air pressure is 0.1 ~ 0.9 atmospheric pressure.
Further, the curing oven in the step 5 uses one kind in continuous passing furnace, bridge-type tunnel stove and batch-type furnace.
The beneficial effects of the present invention are：The present invention provides a kind of nanometer technology galvanized anticorrosive etching technique, uses the technique
Zinc-plated precision is high, and anticorrosion ability is good, and zinc-plated workpiece will not produce the Hydrogen Brittleness Phenomena of electrogalvanizing, does not also produce moving back for hot-dip
Fiery ruckbildung.
It is zinc-plated to mechanical workpieces using the nanometer technology, there is decay resistance, the thickness of zinc coat is easily controlled, with showing
There is technology is zinc-plated to compare, nanometer technology galvanized coatings more even compact, antiseptic power is higher, life of product length, while nanometer
Technology mechanical workpieces Several Thiourea Derivatives on Zinc Plate Surface is not easy to pollute, and can keep self-cleaning, improve the application of its coating, so as to wide
Wealthy market prospects and good economic benefit.
For the present invention by helping plating, barrier treats that zinc-plated workpiece contacts with the oxygen in air, while plays interface work
Property effect, improve liquid alloy plating solution treat galvanized workpiece wettability of the surface.
The present invention also strikes off clear zinc liquid surface zinc gray, prevents from influenceing galvanizing quality.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is described in further detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and it is unlimited
The fixed present invention.
Embodiment 1
A kind of nanometer technology galvanized anticorrosive etching technique, is mainly included the following steps that：
Step 1：Pretreatment, the workpiece surface for treating zinc-plated is pre-processed, and removes all kinds of greasy dirts for treating zinc-plated workpiece surface
And spot；
Step 2：Pickling, in 30 DEG C of insulating box, step 1 is treated that galvanized workpiece is immersed in pickle after pretreated, used
To remove the oxidation tunic for treating zinc-plated workpiece surface；
Step 3：Plating is helped, fluxing agent is treated into zinc-plated workpiece surface with being applied to, it is 0.001mm's to be allowed to form thickness
Film, barrier treat that zinc-plated workpiece contacts with the oxygen in air, and then naturally dry 2h, is allowed to treat that zinc-plated workpiece surface is aqueous
Measure as 2%；
Step 4：It is zinc-plated, clear zinc liquid surface zinc gray is struck off, will treat that zinc-plated workpiece is immersed in zinc liquid with 0 ° of angle of inclination, zinc liquid temperature
Degree is maintained at 400 DEG C, galvanizing time 5min, takes out workpiece, reuses static powder gun by the nano paint powder spray of static electrification
It is coated onto workpiece surface；
Step 5：Solidification, the workpiece that step 4 is zinc-plated and has sprayed is put into curing oven and solidified, solidification furnace temperature is maintained at 100
DEG C, hardening time 20min, normal temperature is cooled to after taking-up, you can.
Preprocess method in the step 1 is to use to embathe method cleaning workpiece surface, will specifically treat that galvanized workpiece is put
Enter 50 DEG C of keeping temperature in treatment fluid, after embathing 3min, take out, using room temperature light water cleaning workpiece 1min, then reuse
Deionized water at room temperature cleans 5min.
The treatment fluid mainly contains sodium carbonate, silicate, phosphate and activated media.
Pickle in the step 2 is the hydrochloric acid solution that concentration is 5%.
Fluxing agent in the step 3 is liquid, and it includes according to parts by weight：5 parts of ammonium chloride, 3 parts of zinc chloride, rare earth
0.5 part, 3 parts of ferrous oxide.
Nano paint in the step 4 can utilize pure polyester resin coating, acrylic resin coating, polypropylene
Cold coating, epoxy coating, acrylic polyurethane coating, epoxy resin pure polyester resin mixed powder coating are separately added into
2 ~ 10% nano material forms for primary raw material, and nano material is titanium, cobalt, nickel, silica, additive and other coloured gold
Category grinding, which is sufficiently stirred, to be formed.
The static powder gun is that gas circuit high pressure is built-in, and air pressure is 0.1 atmospheric pressure.
Curing oven in the step 5 uses one kind in continuous passing furnace, bridge-type tunnel stove and batch-type furnace.
Embodiment 2
A kind of nanometer technology galvanized anticorrosive etching technique, is mainly included the following steps that：
Step 1：Pretreatment, the workpiece surface for treating zinc-plated is pre-processed, and removes all kinds of greasy dirts for treating zinc-plated workpiece surface
And spot；
Step 2：Pickling, in 40 DEG C of insulating box, step 1 is treated that galvanized workpiece is immersed in pickle after pretreated, used
To remove the oxidation tunic for treating zinc-plated workpiece surface；
Step 3：Plating is helped, fluxing agent is treated into zinc-plated workpiece surface with being applied to, it is 0.003mm's to be allowed to form thickness
Film, barrier treat that zinc-plated workpiece contacts with the oxygen in air, and then naturally dry 6h, is allowed to treat that zinc-plated workpiece surface is aqueous
Measure as 8%；
Step 4：It is zinc-plated, clear zinc liquid surface zinc gray is struck off, will treat that zinc-plated workpiece is immersed in zinc liquid with 60 ° of angles of inclination, zinc liquid
Temperature is maintained at 430 DEG C, galvanizing time 7min, takes out workpiece, reuses static powder gun by the nano paint powder of static electrification
Spray to workpiece surface；
Step 5：Solidification, the workpiece that step 4 is zinc-plated and has sprayed is put into curing oven and solidified, solidification furnace temperature is maintained at 150
DEG C, hardening time 40min, normal temperature is cooled to after taking-up, you can.
Preprocess method in the step 1 is to use to embathe method cleaning workpiece surface, will specifically treat that galvanized workpiece is put
Enter 55 DEG C of keeping temperature in treatment fluid, after embathing 7min, take out, using room temperature light water cleaning workpiece 5min, then reuse
Deionized water at room temperature cleans 7min.
The treatment fluid mainly contains sodium carbonate, silicate, phosphate and activated media.
Pickle in the step 2 is the hydrochloric acid solution that concentration is 10%.
Fluxing agent in the step 3 is liquid, and it includes according to parts by weight：10 parts of ammonium chloride, 6 parts of zinc chloride, rare earth
2.5 parts, 5 parts of ferrous oxide.
Nano paint in the step 4 can utilize pure polyester resin coating, acrylic resin coating, polypropylene
Cold coating, epoxy coating, acrylic polyurethane coating, epoxy resin pure polyester resin mixed powder coating are separately added into
6% nano material forms for primary raw material, and nano material is that titanium, cobalt, nickel, silica, additive and other non-ferrous metals are ground
Mill, which is sufficiently stirred, to be formed.
The static powder gun is that gas circuit high pressure is built-in, and air pressure is 0.5 atmospheric pressure.
Curing oven in the step 5 uses one kind in continuous passing furnace, bridge-type tunnel stove and batch-type furnace.
Embodiment 3
A kind of nanometer technology galvanized anticorrosive etching technique, is mainly included the following steps that：
Step 1：Pretreatment, the workpiece surface for treating zinc-plated is pre-processed, and removes all kinds of greasy dirts for treating zinc-plated workpiece surface
And spot；
Step 2：Pickling, in 40 DEG C of insulating box, step 1 is treated that galvanized workpiece is immersed in pickle after pretreated, used
To remove the oxidation tunic for treating zinc-plated workpiece surface；
Step 3：Plating is helped, fluxing agent is treated into zinc-plated workpiece surface with being applied to, it is 0.005mm's to be allowed to form thickness
Film, barrier treat that zinc-plated workpiece contacts with the oxygen in air, and then naturally dry 8h, is allowed to treat that zinc-plated workpiece surface is aqueous
Measure as 10%；
Step 4：It is zinc-plated, clear zinc liquid surface zinc gray is struck off, will treat that zinc-plated workpiece is immersed in zinc liquid with 80 ° of angles of inclination, zinc liquid
Temperature is maintained at 450 DEG C, galvanizing time 10min, takes out workpiece, reuses static powder gun by the nano paint powder of static electrification
Spray to workpiece surface；
Step 5：Solidification, the workpiece that step 4 is zinc-plated and has sprayed is put into curing oven and solidified, solidification furnace temperature is maintained at 200
DEG C, hardening time 60min, normal temperature is cooled to after taking-up, you can.
Preprocess method in the step 1 is to use to embathe method cleaning workpiece surface, will specifically treat that galvanized workpiece is put
Enter 60 DEG C of keeping temperature in treatment fluid, after embathing 10min, take out, using room temperature light water cleaning workpiece 10min, then make again
10min is cleaned with deionized water at room temperature.
The treatment fluid mainly contains sodium carbonate, silicate, phosphate and activated media.
Pickle in the step 2 is the hydrochloric acid solution that concentration is 25%.
Fluxing agent in the step 3 is liquid, and it includes according to parts by weight：14 parts of ammonium chloride, 9 parts of zinc chloride, rare earth
3.5 parts, 6 parts of ferrous oxide.
Nano paint in the step 4 can utilize pure polyester resin coating, acrylic resin coating, polypropylene
Cold coating, epoxy coating, acrylic polyurethane coating, epoxy resin pure polyester resin mixed powder coating are separately added into
10% nano material forms for primary raw material, and nano material is titanium, cobalt, nickel, silica, additive and other non-ferrous metals
Grinding, which is sufficiently stirred, to be formed.
The static powder gun is that gas circuit high pressure is built-in, and air pressure is 0.9 atmospheric pressure.
Curing oven in the step 5 uses one kind in continuous passing furnace, bridge-type tunnel stove and batch-type furnace.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (8)
1. a kind of nanometer technology galvanized anticorrosive etching technique, it is characterised in that mainly include the following steps that：
Step 1：Pretreatment, the workpiece surface for treating zinc-plated is pre-processed, and removes all kinds of greasy dirts for treating zinc-plated workpiece surface
And spot；
Step 2：Pickling, in 30 ~ 50 DEG C of insulating box, step 1 is treated that galvanized workpiece is immersed in pickle after pretreated,
For removing the oxidation tunic for treating zinc-plated workpiece surface；
Step 3：Help plating, fluxing agent treated into zinc-plated workpiece surface with being applied to, be allowed to be formed thickness for 0.001 ~
0.005mm film, barrier treat that zinc-plated workpiece contacts with the oxygen in air, then 2 ~ 8h of naturally dry, are allowed to treat zinc-plated
Workpiece surface water content is 2 ~ 10%；
Step 4：It is zinc-plated, clear zinc liquid surface zinc gray is struck off, will treat that zinc-plated workpiece is immersed in zinc liquid with 0 ~ 80 ° of angle of inclination, zinc
Liquid temperature degree is maintained at 400 ~ 450 DEG C, 5 ~ 10min of galvanizing time, takes out workpiece, reuses static powder gun by the nanometer of static electrification
Coating powder sprays to workpiece surface；
Step 5：Solidification, the workpiece that step 4 is zinc-plated and has sprayed is put into curing oven and solidified, solidification furnace temperature is maintained at 100
~ 200 DEG C, 20 ~ 60min of hardening time, normal temperature is cooled to after taking-up, you can.
2. a kind of nanometer technology galvanized anticorrosive etching technique according to claim 1, it is characterised in that in the step 1
Preprocess method be using embathing method cleaning workpiece surface, will specifically treat galvanized workpiece be put into keeping temperature 50 in treatment fluid ~
60 DEG C, after embathing 3 ~ 10min, take out, using room temperature light water 1 ~ 10min of cleaning workpiece, then reuse deionized water at room temperature
Clean 5 ~ 10min.
3. a kind of nanometer technology galvanized anticorrosive etching technique according to claim 2, it is characterised in that the treatment fluid is main
Contain sodium carbonate, silicate, phosphate and activated media.
4. a kind of nanometer technology galvanized anticorrosive etching technique according to claim 1, it is characterised in that in the step 2
Pickle is the hydrochloric acid solution that concentration is 5 ~ 25%.
5. a kind of nanometer technology galvanized anticorrosive etching technique according to claim 1, it is characterised in that in the step 3
Fluxing agent is liquid, and it includes according to parts by weight：5 ~ 14 parts of ammonium chloride, 3 ~ 9 parts of zinc chloride, 0.5 ~ 3.5 part of rare earth, ferrous oxide
3 ~ 6 parts.
6. a kind of nanometer technology galvanized anticorrosive etching technique according to claim 1, it is characterised in that in the step 4
Nano paint can utilize pure polyester resin coating, acrylic resin coating, polypropylene cold coating, epoxy resin to apply
Material, acrylic polyurethane coating, epoxy resin pure polyester resin mixed powder coating are separately added into based on 2 ~ 10% nano material
Raw material is wanted to form, nano material is that titanium, cobalt, nickel, silica, additive and the grinding of other non-ferrous metals are sufficiently stirred and formed.
A kind of 7. nanometer technology galvanized anticorrosive etching technique according to claim 1, it is characterised in that the static powder gun
Built-in for gas circuit high pressure, air pressure is 0.1 ~ 0.9 atmospheric pressure.
8. a kind of nanometer technology galvanized anticorrosive etching technique according to claim 1, it is characterised in that in the step 5
Curing oven uses one kind in continuous passing furnace, bridge-type tunnel stove and batch-type furnace.
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| CN201710613266.7A CN107400840A (en) | 2017-07-25 | 2017-07-25 | A kind of nanometer technology galvanized anticorrosive etching technique |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710613266.7A CN107400840A (en) | 2017-07-25 | 2017-07-25 | A kind of nanometer technology galvanized anticorrosive etching technique |
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| CN107400840A true CN107400840A (en) | 2017-11-28 |
Family
ID=60401349
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108193155A (en) * | 2018-01-29 | 2018-06-22 | 江苏鑫格调护栏科技有限公司 | A kind of super safety barrier manufacture craft |
| CN112143993A (en) * | 2019-06-26 | 2020-12-29 | 宝山钢铁股份有限公司 | Continuous hot galvanizing plating process method and equipment with post-plating dehydrogenation function |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1381706A (en) * | 2002-04-26 | 2002-11-27 | 龙口市金穗铜铝材厂 | Nano anticrossion technology for heat radiator by spraying on its inner surface |
| CN103031504A (en) * | 2012-11-29 | 2013-04-10 | 桐乡市铁盛线路器材有限公司 | Mechanical zinc plating corrosion resisting process by nanotechnology |
-
2017
- 2017-07-25 CN CN201710613266.7A patent/CN107400840A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1381706A (en) * | 2002-04-26 | 2002-11-27 | 龙口市金穗铜铝材厂 | Nano anticrossion technology for heat radiator by spraying on its inner surface |
| CN103031504A (en) * | 2012-11-29 | 2013-04-10 | 桐乡市铁盛线路器材有限公司 | Mechanical zinc plating corrosion resisting process by nanotechnology |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108193155A (en) * | 2018-01-29 | 2018-06-22 | 江苏鑫格调护栏科技有限公司 | A kind of super safety barrier manufacture craft |
| CN112143993A (en) * | 2019-06-26 | 2020-12-29 | 宝山钢铁股份有限公司 | Continuous hot galvanizing plating process method and equipment with post-plating dehydrogenation function |
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Application publication date: 20171128 |
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