CN105220190A - A kind of samarium-zinc-iron alloys electroplate liquid and electro-plating method thereof - Google Patents
A kind of samarium-zinc-iron alloys electroplate liquid and electro-plating method thereof Download PDFInfo
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- CN105220190A CN105220190A CN201510729190.5A CN201510729190A CN105220190A CN 105220190 A CN105220190 A CN 105220190A CN 201510729190 A CN201510729190 A CN 201510729190A CN 105220190 A CN105220190 A CN 105220190A
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Abstract
The invention discloses a kind of samarium-zinc-iron alloys electroplate liquid and electro-plating method thereof.This samarium-zinc-iron alloys electroplate liquid comprises following component: zinc sulfate 80 ~ 120g/L, ferrous sulfate 30 ~ 50g/L, Samarium trioxide 0.05 ~ 0.3g/L, sodium-chlor 10 ~ 15g/L, hydroxy acid sodium 5 ~ 10g/L, Tripotassium Citrate 10 ~ 20g/L, xitix 2 ~ 5g/L, benzene sulfinic acid sodium salt 0.1 ~ 0.3g/L and alkalization four Isopropylamine 1 ~ 1.5g/L.Be added with rare earth metal samarium in samarium of the present invention-zinc-iron alloys electroplate liquid, electroplate liquid good stability, electroplating efficiency be high, safety and environmental protection, electroplate samarium-zinc-iron alloys coating of obtaining and there is good erosion resistance and planarization.
Description
Technical field
The present invention relates to electroplate liquid technical field, particularly relate to a kind of samarium-zinc-iron alloys electroplate liquid and electro-plating method thereof.
Background technology
Along with the development of science and technology, more and more stricter to the requirement of product, the coating of single-element is difficult to the demand meeting plated item, and researcher turns one's attention to alloy plating gradually.
Zn-fe alloy coating has superior physics, chemical property, compared with traditional zincincation, the pure iron that Zn-Fe alloy electroplating is cheap replaces the metallic zinc that part is expensive, the iron contamination be harmful to is made to become beneficiating ingredient in coating, not only reduce electroplating cost, but also decrease the disadvantage such as pin hole, fragility of coating.Zinc-iron alloy plating process in recent years, is developed abroad rapidly.There is the problem of appearance such as electroplate liquid instability, coating is coarse, matt in current electroplating zinc-iron alloy.
Summary of the invention
In view of this, one aspect of the present invention provides a kind of samarium-zinc-iron alloys electroplate liquid, is added with rare earth metal samarium in this electroplate liquid, and electroplate liquid good stability, electroplating efficiency are high, safety and environmental protection.
The present invention realizes by the following technical solutions:
A kind of samarium-zinc-iron alloys electroplate liquid comprises following component: zinc sulfate 80 ~ 120g/L, ferrous sulfate 30 ~ 50g/L, Samarium trioxide 0.05 ~ 0.3g/L, sodium-chlor 10 ~ 15g/L, hydroxy acid sodium 5 ~ 10g/L, Tripotassium Citrate 10 ~ 20g/L, xitix 2 ~ 5g/L, benzene sulfinic acid sodium salt 0.1 ~ 0.3g/L and alkalization four Isopropylamine 1 ~ 1.5g/L.
Wherein, described samarium-zinc-iron alloys electroplate liquid comprises following component: the deionized water of zinc sulfate 90 ~ 110g/L, ferrous sulfate 30 ~ 40g/L, Samarium trioxide 0.08 ~ 0.2g/L, sodium-chlor 10 ~ 12g/L, hydroxy acid sodium 8 ~ 10g/L, Tripotassium Citrate 16 ~ 20g/L, xitix 2 ~ 3g/L, benzene sulfinic acid sodium salt 0.15 ~ 0.2g/L, alkalize four Isopropylamine 1.2 ~ 1.5g/L and surplus.
Wherein, described samarium-zinc-iron alloys electroplate liquid comprises following component: the deionized water of zinc sulfate 95g/L, ferrous sulfate 32g/L, Samarium trioxide 0.12g/L, sodium-chlor 12g/L, hydroxy acid sodium 9g/L, Tripotassium Citrate 18g/L, xitix 2.6g/L, benzene sulfinic acid sodium salt 0.2g/L, alkalize four Isopropylamine 1.3g/L and surplus.
The present invention on the other hand provides a kind of electro-plating method using above-mentioned samarium-zinc-iron alloys electroplate liquid, and the samarium-zinc-iron alloys coating good corrosion resistance using this samarium-zinc-iron alloys electroplate liquid to electroplate to obtain, planarization are good.
As an electro-plating method for above-mentioned samarium-zinc-iron alloys electroplate liquid, comprise the following steps:
(1) samarium-zinc-iron alloys electroplate liquid is prepared: Tripotassium Citrate, xitix, Samarium trioxide are dissolved in wiring solution-forming in deionized water, ferrous sulfate, sodium-chlor, hydroxy acid sodium, zinc sulfate stirring and dissolving makes mixed solution is added in this solution, benzene sulfinic acid sodium salt and the dissolving of alkalization four Isopropylamine is added, obtained samarium-zinc-iron alloys electroplate liquid in mixed solution;
The concentration of component of described samarium-zinc-iron alloys electroplate liquid is as follows: zinc sulfate 80 ~ 120g/L, ferrous sulfate 30 ~ 50g/L, Samarium trioxide 0.05 ~ 0.3g/L, sodium-chlor 10 ~ 15g/L, hydroxy acid sodium 5 ~ 10g/L, Tripotassium Citrate 10 ~ 20g/L, xitix 2 ~ 5g/L, benzene sulfinic acid sodium salt 0.1 ~ 0.3g/L and alkalization four Isopropylamine 1 ~ 1.5g/L;
(2) do anode with carbon dioxide process carbon electrode, workpiece does negative electrode, electroplates, obtained samarium zn-fe alloy coating.
Wherein, obtain samarium-zinc-iron alloys electroplate liquid ammoniacal liquor in step (1) and regulate PH to 5 ~ 6.
Wherein, in step (2), electroplating process is temperature 60 ~ 70 DEG C, and current density is 60 ~ 80mA/cm
2under carry out.
Wherein, in step (2), the area ratio of negative electrode and positive electrode is (1/2 ~ 2): 1.
Compared with prior art, beneficial effect of the present invention: be added with rare earth metal samarium in samarium of the present invention-zinc-iron alloys electroplate liquid, electroplate liquid good stability, electroplating efficiency are high, safety and environmental protection, electroplate the samarium zn-fe alloy coating obtained and have good erosion resistance and planarization.
Embodiment
Further illustrate technical scheme of the present invention respectively below in conjunction with the embodiments.
Raw material involved in following examples is commercially available.
Embodiment 1: the samarium-zinc-iron alloys electroplate liquid of the present embodiment comprises following component:
Use this samarium-zinc-iron alloys electroplate liquid electro-plating method as follows:
Prepare samarium-zinc-iron alloys electroplate liquid: Tripotassium Citrate 10g, xitix 2g, Samarium trioxide 0.05g are dissolved in wiring solution-forming in deionized water, ferrous sulfate 30g, sodium-chlor 10g, hydroxy acid sodium 5g, zinc sulfate 80g stirring and dissolving makes mixed solution is added in this solution, in mixed solution, add benzene sulfinic acid sodium salt 0.1g dissolve with alkalization four Isopropylamine 1g, the deionized water adding surplus is again 1L to cumulative volume, obtains samarium-zinc-iron alloys electroplate liquid;
Regulate this electroplate liquid PH to 5 with ammoniacal liquor, do anode with carbon dioxide process carbon electrode, workpiece does negative electrode, temperature of electroplating solution be 60 DEG C, current density is 60mA/cm
2, negative electrode and positive electrode area ratio be under 1:1 condition, electroplate, obtain samarium zn-fe alloy coating.
Embodiment 2: the samarium-zinc-iron alloys electroplate liquid of the present embodiment comprises following component:
Use this samarium-zinc-iron alloys electroplate liquid electro-plating method as follows:
Prepare samarium-zinc-iron alloys electroplate liquid: Tripotassium Citrate 16g, xitix 2g, Samarium trioxide 0.08g are dissolved in wiring solution-forming in deionized water, ferrous sulfate 30g, sodium-chlor 10g, hydroxy acid sodium 8g, zinc sulfate 90g stirring and dissolving makes mixed solution is added in this solution, in mixed solution, add benzene sulfinic acid sodium salt 0.15g dissolve with alkalization four Isopropylamine 1.2g, the deionized water adding surplus is again 1L to cumulative volume, obtains samarium-zinc-iron alloys electroplate liquid;
Regulate this electroplate liquid PH to 6 with ammoniacal liquor, do anode with carbon dioxide process carbon electrode, workpiece does negative electrode, temperature of electroplating solution be 65 DEG C, current density is 65mA/cm
2, negative electrode and positive electrode area ratio be under 1:1 condition, electroplate, obtain samarium zn-fe alloy coating.
Embodiment 3: the samarium-zinc-iron alloys electroplate liquid of the present embodiment comprises following component:
Use this samarium-zinc-iron alloys electroplate liquid electro-plating method as follows:
Prepare samarium-zinc-iron alloys electroplate liquid: Tripotassium Citrate 18g, xitix 2.6g, Samarium trioxide 0.12g are dissolved in wiring solution-forming in deionized water, ferrous sulfate 32g, sodium-chlor 12g, hydroxy acid sodium 9g, zinc sulfate 95g stirring and dissolving makes mixed solution is added in this solution, in mixed solution, add benzene sulfinic acid sodium salt 0.2g dissolve with alkalization four Isopropylamine 1.3g, the deionized water adding surplus is again 1L to cumulative volume, obtains samarium-zinc-iron alloys electroplate liquid;
Regulate this electroplate liquid PH to 6 with ammoniacal liquor, do anode with carbon dioxide process carbon electrode, workpiece does negative electrode, temperature of electroplating solution be 70 DEG C, current density is 70mA/cm
2, negative electrode and positive electrode area ratio be under 1:1 condition, electroplate, obtain samarium zn-fe alloy coating.
Adopt testing method known in the field to carry out salt-fog test to measure solidity to corrosion to the coating of embodiment 1 ~ 3, test result is as following table.
As can be seen from the above table, samarium zn-fe alloy coating of the present invention has good erosion resistance.
Be added with rare earth metal samarium in samarium of the present invention-zinc-iron alloys electroplate liquid, electroplate liquid good stability, electroplating efficiency be high, safety and environmental protection, electroplate the samarium zn-fe alloy coating that obtains and there is good erosion resistance and planarization.
It should be noted that and understand, when not departing from the spirit and scope of accompanying claim the present invention for required protection, various amendment and improvement can be made to the present invention of foregoing detailed description.Therefore, the scope of claimed technical scheme is not by the restriction of given any specific exemplary teachings.
Applicant states, the present invention illustrates detailed process equipment and process flow process of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned detailed process equipment and process flow process, namely do not mean that the present invention must rely on above-mentioned detailed process equipment and process flow process and could implement.Person of ordinary skill in the field should understand, any improvement in the present invention, to equivalence replacement and the interpolation of ancillary component, the concrete way choice etc. of each raw material of product of the present invention, all drops within protection scope of the present invention and open scope.
Claims (7)
1. samarium-zinc-iron alloys electroplate liquid, it is characterized in that, comprise following component: zinc sulfate 80 ~ 120g/L, ferrous sulfate 30 ~ 50g/L, Samarium trioxide 0.05 ~ 0.3g/L, sodium-chlor 10 ~ 15g/L, hydroxy acid sodium 5 ~ 10g/L, Tripotassium Citrate 10 ~ 20g/L, xitix 2 ~ 5g/L, benzene sulfinic acid sodium salt 0.1 ~ 0.3g/L and alkalization four Isopropylamine 1 ~ 1.5g/L.
2. samarium according to claim 1-zinc-iron alloys electroplate liquid, it is characterized in that, comprise following component: the deionized water of zinc sulfate 90 ~ 110g/L, ferrous sulfate 30 ~ 40g/L, Samarium trioxide 0.08 ~ 0.2g/L, sodium-chlor 10 ~ 12g/L, hydroxy acid sodium 8 ~ 10g/L, Tripotassium Citrate 16 ~ 20g/L, xitix 2 ~ 3g/L, benzene sulfinic acid sodium salt 0.15 ~ 0.2g/L, alkalize four Isopropylamine 1.2 ~ 1.5g/L and surplus.
3. samarium according to claim 1-zinc-iron alloys electroplate liquid, it is characterized in that, comprise following component: the deionized water of zinc sulfate 95g/L, ferrous sulfate 32g/L, Samarium trioxide 0.12g/L, sodium-chlor 12g/L, hydroxy acid sodium 9g/L, Tripotassium Citrate 18g/L, xitix 2.6g/L, benzene sulfinic acid sodium salt 0.2g/L, alkalize four Isopropylamine 1.3g/L and surplus.
4. an electro-plating method for samarium as claimed in claim 1-zinc-iron alloys electroplate liquid, is characterized in that, comprise the following steps:
(1) samarium-zinc-iron alloys electroplate liquid is prepared: Tripotassium Citrate, xitix, Samarium trioxide are dissolved in wiring solution-forming in deionized water, ferrous sulfate, sodium-chlor, hydroxy acid sodium, zinc sulfate stirring and dissolving makes mixed solution is added in this solution, benzene sulfinic acid sodium salt and the dissolving of alkalization four Isopropylamine is added, obtained samarium-zinc-iron alloys electroplate liquid in mixed solution;
The concentration of component of described samarium-zinc-iron alloys electroplate liquid is as follows: zinc sulfate 80 ~ 120g/L, ferrous sulfate 30 ~ 50g/L, Samarium trioxide 0.05 ~ 0.3g/L, sodium-chlor 10 ~ 15g/L, hydroxy acid sodium 5 ~ 10g/L, Tripotassium Citrate 10 ~ 20g/L, xitix 2 ~ 5g/L, benzene sulfinic acid sodium salt 0.1 ~ 0.3g/L and alkalization four Isopropylamine 1 ~ 1.5g/L;
(2) do anode with carbon dioxide process carbon electrode, workpiece does negative electrode, electroplates, obtained samarium zn-fe alloy coating.
5. method according to claim 4, is characterized in that, obtains samarium-zinc-iron alloys electroplate liquid ammoniacal liquor and regulate PH to 5 ~ 6 in step (1).
6. method according to claim 4, is characterized in that, in step (2), electroplating process is temperature 60 ~ 70 DEG C, and current density is 60 ~ 80mA/cm
2under carry out.
7. method according to claim 4, is characterized in that, in step (2), the area ratio of negative electrode and positive electrode is (1/2 ~ 2): 1.
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Cited By (1)
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| CN112481665A (en) * | 2020-10-26 | 2021-03-12 | 中国计量大学 | Samarium-iron-cobalt film electroplating solution and preparation method thereof |
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