CN112251741A - Preparation and repair method of nickel plating film repair liquid - Google Patents
Preparation and repair method of nickel plating film repair liquid Download PDFInfo
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- CN112251741A CN112251741A CN202011270699.5A CN202011270699A CN112251741A CN 112251741 A CN112251741 A CN 112251741A CN 202011270699 A CN202011270699 A CN 202011270699A CN 112251741 A CN112251741 A CN 112251741A
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- nickel
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- nickel plating
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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
- 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
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention relates to the technical field of metal surface treatment, in particular to a method for preparing and repairing a nickel plating film repairing solution; the solute of the repair liquid is nickel chloride, hydrochloric acid and sodium fluoride, and the solvent of the repair liquid is water; the volume ratio of the mass of the nickel chloride to the water is 260-370: 1, unit is gram/liter; the volume ratio of the mass of the sodium fluoride to the volume of the water is 0.1-0.2: 1, unit is gram/liter; the volume ratio of the mass of the hydrochloric acid to the volume of the water is 180-220: 1, unit is gram/liter; the repairing liquid removes oil and surface oxides from the damaged part of the part to be repaired, and flattens the surface; heating the damaged part of the part to be repaired to 35-40 ℃, and keeping the temperature of the repair liquid at 25-35 ℃; then nickel plating the damaged part; the invention realizes a new method for quickly plating nickel, and the nickel plating film is uniform, bright and flat, and has good bonding force.
Description
Technical Field
The invention relates to the technical field of metal surface treatment, in particular to a preparation and repair method of a nickel plating film repair liquid.
Background
At present, the phenomenon of scratch damage of an outer surface coating is found in the process of installing some nickel-plated parts, and local repair is needed, but the formula components of the current repair liquid for local damage of a nickel-plated film are complex and are not convenient to modulate, and the repair method has high cost and low efficiency.
Disclosure of Invention
The purpose of the invention is: provides nickel plating repair liquid and repair liquid blending, and simplifies the repair process of the nickel plating repair liquid.
The technical scheme of the invention is as follows: the nickel-plated film repair liquid is characterized in that solutes of the repair liquid are nickel chloride, hydrochloric acid and sodium fluoride, and a solvent of the repair liquid is water; the volume ratio of the mass of the nickel chloride to the water is 260-370: 1, unit is gram/liter; the volume ratio of the mass of the sodium fluoride to the volume of the water is 0.1-0.2: 1, unit is gram/liter; the volume ratio of the mass of the hydrochloric acid to the volume of the water is 180-220: 1 in grams/liter.
The repair liquid is used for nickel plating on the surface of steel or copper alloy.
A process method for preparing a nickel-plated film repairing liquid is characterized in that prepared water is preheated to 30 ℃, 2/3 amount of nickel chloride is added firstly, hydrochloric acid is added after stirring for 3 minutes, fluoride salt is added after stirring for 1 minute, the rest 1/3 amount of nickel chloride is added after stirring for 3 minutes, the mixture is stirred for 3 minutes and then is stood for 30 minutes to use, and the solution is continuously stirred while medicines are added.
A method for repairing a nickel-plated film, which is characterized in that,
the method comprises the following steps:
firstly, deoiling a damaged part of a part to be repaired, removing surface oxides, and flattening the surface;
step two, heating the damaged part of the part to be repaired to 35-40 ℃, and keeping the temperature of the repair liquid at 25-35 ℃;
and step three, nickel plating the damaged part of the part to be repaired.
And the time for the damaged part of the part to be repaired to react with the repair liquid is 10-15 seconds.
The nickel plating treatment comprises spraying, coating and soaking.
And step three, after nickel plating treatment, absolute alcohol cleaning and drying are carried out.
The method comprises the following steps of cleaning the repaired part to be repaired by using gasoline, soaking absorbent cotton with water, adhering the absorbent cotton with a proper amount of water, cleaning, removing dirt, slightly polishing the scratched part by using scouring powder, and cleaning the polished part by using the absorbent cotton adhered with absolute alcohol.
The invention has the advantages that: the invention realizes a new method for quickly plating nickel, and the nickel plating film is uniform, bright and flat, and has good bonding force.
Detailed Description
The present invention is described in further detail below.
The method comprises cleaning the part to be repaired with gasoline, soaking absorbent cotton with water, cleaning, removing dirt, cleaning with BAOJI powder, cleaning the part to be repaired with absorbent cotton with anhydrous alcohol, heating to 35-40 deg.C, maintaining the temperature of repair liquid at 25-35 deg.C, uniformly coating the prepared nickel plating solution on the part to be repaired for 25-40 s, cleaning the part to be repaired with absorbent cotton with viscous water, and blow-drying.
Nickel plating repair liquid composition
The nickel plating repair solution preparation method comprises the following steps:
(1) and preheating the prepared water to 30 ℃, adding 2/3 mass percent of nickel chloride, stirring for 3 minutes, adding hydrochloric acid, stirring for 1 minute, adding fluoride salt, stirring for 3 minutes, adding the rest 1/3 mass percent of nickel chloride, stirring for 3 minutes, standing for 30 minutes, and then using. During blending, the medicines are strictly added in sequence, and the solution is continuously stirred while the medicines are added.
(2) The prepared solution can be stored for 8 days, and the used solution is strictly prevented from being poured back to the storage container, so that the amount of the used solution can be taken.
(3) When the preparation liquid is used, the temperature and time are ensured, and a dip-coating repair method or a spraying repair method is preferably adopted.
Example 1
The shell material T2 is damaged by a nickel plating film on the surface of the inner cavity when the whole nickel plating machine is machined, and the nickel plating is carried out by a chemical method at a film-free position.
The solute of the repair liquid is nickel chloride; hydrochloric acid; sodium fluoride, wherein the solvent of the repair liquid is water; the volume ratio of the mass of the nickel chloride to the water is 260: 1, unit is gram/liter; the ratio of the mass of sodium fluoride to the volume of water is 0.1: 1, unit is gram/liter; the volume ratio of the mass of the hydrochloric acid to the water is 180: 1 in grams/liter.
The blending method comprises the following steps: the prepared water is preheated to 30 ℃, firstly, 2/3 amount of nickel chloride is added, hydrochloric acid is added after stirring for 3 minutes, 1 minute of hydrochloric acid is added, fluoride salt is added, the rest 1/3 amount of nickel chloride is added after stirring for 3 minutes, stirring is carried out for 3 minutes, and then standing is carried out for 30 minutes. During blending, the medicines are strictly added in sequence, and the solution is continuously stirred while the medicines are added.
Firstly, deoiling a damaged part of a part to be repaired, removing surface oxides, and flattening the surface;
step two, heating the damaged part of the part to be repaired to 35 ℃, and keeping the temperature of the repair liquid at 25 ℃;
and step three, carrying out nickel plating treatment on the damaged part of the part to be repaired, and reacting the repairing solution with the damaged part by a coating method for 15 seconds.
And step three, after nickel plating treatment, absolute alcohol cleaning and drying are carried out.
Example 2
And the end cover material 45 is damaged by a nickel plating film on the surface of the inner cavity seam allowance during machining after integral nickel plating, and nickel is plated at a non-film position by a chemical method. The solute of the repair liquid is nickel chloride; hydrochloric acid; sodium fluoride, wherein the solvent of the repair liquid is water; the volume ratio of the mass of the nickel chloride to the water is 300: 1, unit is gram/liter; the ratio of the mass of sodium fluoride to the volume of water is 0.1: 1, unit is gram/liter; the volume ratio of the mass of the hydrochloric acid to the water is 200: 1 in grams/liter.
The blending method comprises the following steps: the prepared water is preheated to 30 ℃, firstly, 2/3 amount of nickel chloride is added, hydrochloric acid is added after stirring for 3 minutes, 1 minute of hydrochloric acid is added, fluoride salt is added, the rest 1/3 amount of nickel chloride is added after stirring for 3 minutes, stirring is carried out for 3 minutes, and then standing is carried out for 30 minutes. During blending, the medicines are strictly added in sequence, and the solution is continuously stirred while the medicines are added.
Firstly, deoiling a damaged part of a part to be repaired, removing surface oxides, and flattening the surface;
step two, heating the damaged part of the part to be repaired to 40 ℃, and keeping the temperature of the repair liquid at 35 ℃;
and step three, carrying out nickel plating treatment on the damaged part of the part to be repaired, and reacting the repairing solution with the damaged part by a coating method for 10 seconds.
And step three, after nickel plating treatment, absolute alcohol cleaning and drying are carried out.
Example 3
The terminal material T2 is plated with nickel entirely, and the nickel plating film on the surface of the contact point is damaged during assembly after nickel plating, and the nickel is plated by chemical method without film.
The solute of the repair liquid is nickel chloride; hydrochloric acid; sodium fluoride, wherein the solvent of the repair liquid is water; the volume ratio of the mass of the nickel chloride to the water is 370: 1, unit is gram/liter; the ratio of the mass of sodium fluoride to the volume of water is 0.2: 1, unit is gram/liter; the volume ratio of the mass of the hydrochloric acid to the water is 220: 1 in grams/liter.
The blending method comprises the following steps: the prepared water is preheated to 30 ℃, firstly, 2/3 amount of nickel chloride is added, hydrochloric acid is added after stirring for 3 minutes, 1 minute of hydrochloric acid is added, fluoride salt is added, the rest 1/3 amount of nickel chloride is added after stirring for 3 minutes, stirring is carried out for 3 minutes, and then standing is carried out for 30 minutes. During blending, the medicines are strictly added in sequence, and the solution is continuously stirred while the medicines are added.
Firstly, deoiling a damaged part of a part to be repaired, removing surface oxides, and flattening the surface;
step two, heating the damaged part of the part to be repaired to 35 ℃, and keeping the temperature of the repair liquid at 25 ℃;
and step three, carrying out nickel plating treatment on the damaged part of the part to be repaired, and reacting the repairing solution with the damaged part for 15 seconds by a soaking method.
And step three, after nickel plating treatment, absolute alcohol cleaning and drying are carried out.
Example 4
The terminal material T2 is plated with nickel entirely, and the nickel plating film on the surface of the contact point is damaged during assembly after nickel plating, and the nickel is plated by chemical method without film.
The solute of the repair liquid is nickel chloride; hydrochloric acid; sodium fluoride, wherein the solvent of the repair liquid is water; the volume ratio of the mass of the nickel chloride to the water is 300: 1, unit is gram/liter; the ratio of the mass of sodium fluoride to the volume of water is 0.1: 1, unit is gram/liter; the volume ratio of the mass of the hydrochloric acid to the water is 200: 1 in grams/liter.
The blending method comprises the following steps: the prepared water is preheated to 30 ℃, firstly, 2/3 amount of nickel chloride is added, hydrochloric acid is added after stirring for 3 minutes, 1 minute of hydrochloric acid is added, fluoride salt is added, the rest 1/3 amount of nickel chloride is added after stirring for 3 minutes, stirring is carried out for 3 minutes, and then standing is carried out for 30 minutes. During blending, the medicines are strictly added in sequence, and the solution is continuously stirred while the medicines are added.
Firstly, deoiling a damaged part of a part to be repaired, removing surface oxides, and flattening the surface;
step two, heating the damaged part of the part to be repaired to 40 ℃, and keeping the temperature of the repair liquid at 35 ℃;
and step three, carrying out nickel plating treatment on the damaged part of the part to be repaired, and reacting the repairing solution with the damaged part for 10 seconds by a soaking method.
And step three, after nickel plating treatment, absolute alcohol cleaning and drying are carried out.
Example 5
After the shell material 10 is integrally nickel-plated, the nickel plating on the surface of the inner cavity is damaged during assembly, and the nickel plating is performed in a film-free position by a chemical method.
The solute of the repair liquid is nickel chloride; hydrochloric acid; sodium fluoride, wherein the solvent of the repair liquid is water; the volume ratio of the mass of the nickel chloride to the water is 370: 1, unit is gram/liter; the ratio of the mass of sodium fluoride to the volume of water is 0.2: 1, unit is gram/liter; the volume ratio of the mass of the hydrochloric acid to the water is 220: 1 in grams/liter.
The blending method comprises the following steps: the prepared water is preheated to 30 ℃, firstly, 2/3 amount of nickel chloride is added, hydrochloric acid is added after stirring for 3 minutes, 1 minute of hydrochloric acid is added, fluoride salt is added, the rest 1/3 amount of nickel chloride is added after stirring for 3 minutes, stirring is carried out for 3 minutes, and then standing is carried out for 30 minutes. During blending, the medicines are strictly added in sequence, and the solution is continuously stirred while the medicines are added.
Firstly, deoiling a damaged part of a part to be repaired, removing surface oxides, and flattening the surface;
step two, heating the damaged part of the part to be repaired to 35 ℃, and keeping the temperature of the repair liquid at 25 ℃;
and step three, carrying out nickel plating treatment on the damaged part of the part to be repaired, and carrying out a spraying reaction on the repairing solution and the damaged part for 15 seconds.
And step three, after nickel plating treatment, absolute alcohol cleaning and drying are carried out.
Example 6
And after the end cover material T2 is integrally plated with nickel, a nickel-plated film on the surface of the inner cavity spigot is damaged during assembly, and the nickel is plated at a film-free position by a chemical method.
The solute of the repair liquid is nickel chloride; hydrochloric acid; sodium fluoride, wherein the solvent of the repair liquid is water; the volume ratio of the mass of the nickel chloride to the water is 300: 1, unit is gram/liter; the ratio of the mass of sodium fluoride to the volume of water is 0.1: 1, unit is gram/liter; the volume ratio of the mass of the hydrochloric acid to the water is 200: 1 in grams/liter.
The blending method comprises the following steps: the prepared water is preheated to 30 ℃, firstly, 2/3 amount of nickel chloride is added, hydrochloric acid is added after stirring for 3 minutes, 1 minute of hydrochloric acid is added, fluoride salt is added, the rest 1/3 amount of nickel chloride is added after stirring for 3 minutes, stirring is carried out for 3 minutes, and then standing is carried out for 30 minutes. During blending, the medicines are strictly added in sequence, and the solution is continuously stirred while the medicines are added.
Firstly, deoiling a damaged part of a part to be repaired, removing surface oxides, and flattening the surface;
step two, heating the damaged part of the part to be repaired to 40 ℃, and keeping the temperature of the repair liquid at 35 ℃;
and step three, carrying out nickel plating treatment on the damaged part of the part to be repaired, and reacting the repairing solution with the damaged part for 10 seconds by a spraying method. And step three, after nickel plating treatment, absolute alcohol cleaning and drying are carried out.
Claims (8)
1. The nickel-plated film repair liquid is characterized in that solutes of the repair liquid are nickel chloride, hydrochloric acid and sodium fluoride, and a solvent of the repair liquid is water; the volume ratio of the mass of the nickel chloride to the water is 260-370: 1, unit is gram/liter; the volume ratio of the mass of the sodium fluoride to the volume of the water is 0.1-0.2: 1, unit is gram/liter; the volume ratio of the mass of the hydrochloric acid to the volume of the water is 180-220: 1 in grams/liter.
2. The nickel-plated film repair liquid according to claim 1, wherein the repair liquid is used for nickel plating of a steel or copper alloy surface.
3. The process for preparing the repairing liquid for nickel-plated film according to claim 1 or 2, wherein the prepared water is preheated to 30 ℃, 2/3 amount of nickel chloride is added, hydrochloric acid is added after 3 minutes of stirring, 1 minute of stirring is carried out, then fluoride salt is added, 1/3 amount of the remaining nickel chloride is added after 3 minutes of stirring, the mixture is left to stand for 30 minutes after 3 minutes of stirring, and the solution is continuously stirred while chemicals are added.
4. The method for repairing a nickel plating film repairing liquid according to claim 1 or 2,
the method comprises the following steps:
firstly, deoiling a damaged part of a part to be repaired, removing surface oxides, and flattening the surface;
step two, heating the damaged part of the part to be repaired to 35-40 ℃, and keeping the temperature of the repair liquid at 25-35 ℃;
and step three, nickel plating the damaged part of the part to be repaired.
5. The method for repairing a nickel plating film repair liquid according to claim 4, wherein the time for the reaction between the damaged part of the part to be repaired and the repair liquid is 10 to 15 seconds.
6. The method for repairing a nickel plating film according to claim 4, wherein the nickel plating treatment is spraying, coating, and dipping.
7. The method for repairing a nickel plating film according to claim 4, wherein the step three is performed with absolute alcohol cleaning and drying after the nickel plating treatment.
8. The method for repairing a nickel-plated film repair liquid according to claim 4, wherein the repair site of the part to be repaired is cleaned by scrubbing with gasoline, absorbent cotton is soaked with water, adhered with a proper amount of detergent powder, and then the scratched site is lightly polished by cleaning with absorbent cotton adhered with anhydrous alcohol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011270699.5A CN112251741A (en) | 2020-11-13 | 2020-11-13 | Preparation and repair method of nickel plating film repair liquid |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011270699.5A CN112251741A (en) | 2020-11-13 | 2020-11-13 | Preparation and repair method of nickel plating film repair liquid |
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| US5843538A (en) * | 1996-12-09 | 1998-12-01 | John L. Raymond | Method for electroless nickel plating of metal substrates |
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| CN106119815A (en) * | 2016-06-29 | 2016-11-16 | 昆明理工大学 | Copper and the method for copper alloy surface chemical nickel plating in a kind of eutectic type ionic liquid |
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2020
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Application publication date: 20210122 |