CN102433556A - Nickel-phosphorus-cobalt ternary alloy electroless plating solution for alloy steel workpieces and production method - Google Patents
Nickel-phosphorus-cobalt ternary alloy electroless plating solution for alloy steel workpieces and production method Download PDFInfo
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- CN102433556A CN102433556A CN2011104515785A CN201110451578A CN102433556A CN 102433556 A CN102433556 A CN 102433556A CN 2011104515785 A CN2011104515785 A CN 2011104515785A CN 201110451578 A CN201110451578 A CN 201110451578A CN 102433556 A CN102433556 A CN 102433556A
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- nickel
- chloride
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- cobalt ternary
- electroless plating
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Abstract
The invention discloses nickel-phosphorus-cobalt ternary alloy electroless plating solution for alloy steel workpieces. The solution is characterized by comprising the following raw materials by weight percent: 5-10% of nickel chloride, 5-10% of sodium hypophosphite, 5-10% of cobalt chloride, 5-10% of ammonium chloride, 1-6% of lactic acid, 10-15% of sodium citrate, 0.3-0.5% of compound complexing agent, 1-3% of rare earth additive and the balance of water. A production method comprises the following steps: adding calculated and weighed water to a reactor, raising the temperature to 38-42 DEG C, starting a stirrer, controlling the rotating speed of the stirrer to be 120r/min, then slowly adding the calculated and weighed nickel sulfate hexahydrate, sodium hypophosphite, sodium citrate, succinic acid, ammonium sulfate, stabilizing agent and compound complexing agent to the reactor in sequence, stirring the materials while adding until the solution becomes green transparent liquid and carrying out emptying and packaging when the solution is cooled to the room temperature.
Description
Technical field
The present invention relates to a kind of chemical plating fluid and working method, especially a kind of process stabilizing, usage quantity is few, cost is low, film forming speed is fast, coating is careful, hardness is high, wear resistance and erosion resistance strong and be convenient to the alloyed steel work-piece nickel phosphorus cobalt ternary-alloy chemical plating fluid and the working method of operating and managing.
Background technology
Electroless plating is to rely on chemical reaction in the chemical plating fluid to provide metals ion to reduce needed electronics, after metals ion absorbs electronics, promptly precipitates equably to form plated film at workpiece surface.Because the dispersion force of chemical plating fluid is near 100%; Do not have that tangible fringing effect and thickness of coating are very even, smooth, fine and close, atresia; Be particularly suitable for the surperficial plating of complex-shaped workpiece (cavity spare, deep hole spare, blind bored member, pipe fitting inner wall etc.), its corrosion resistance of coating is much better than plating.Chemical plating technology need not rectifier power source, transmission system and auxiliary electroplax simultaneously, only need correctly be suspended on workpiece in the plating bath during operation to get final product, and equipment is simple, easy to operate.Therefore, the chemical nickel phosphorus plating cobalt-base alloy also is a new surface treatment technologies of popularizing gradually.Existing nickel phosphorus cobalt electroless plating liquid all need be prepared the adjustment liquid in working fluid and the use, needs three kinds of plating baths such as buying A, B, C, is difficult to management and operation, also exists the problem that usage quantity is more, cost is high simultaneously.Particularly also be not exclusively used at present the nickel phosphorus cobalt electroless plating liquid of alloyed steel work-piece.
Summary of the invention
The present invention is in order to solve the above-mentioned technical problem of existing in prior technology, a kind of process stabilizing is provided, usage quantity is few, cost is low, film forming speed is fast, coating is careful, hardness is high, wear resistance and corrosion-resistant strong and be convenient to the alloyed steel work-piece nickel phosphorus cobalt ternary-alloy chemical plating fluid and the working method of operating and managing.
Technical solution of the present invention is: a kind of alloyed steel work-piece nickel phosphorus cobalt ternary-alloy chemical plating fluid, it is characterized in that raw materials used and mass percent following:
Nickelous chloride 5 ~ 10%
Inferior sodium phosphate 5 ~ 10%
NSC 51149 5 ~ 10%
Ammonium chloride 5 ~ 10%
Lactic acid 1 ~ 6%
Trisodium Citrate 10 ~ 15%
Compound complex agent 0.3 ~ 0.5%
Rare earth addition 1 ~ 3%
Water surplus.
A kind of working method of above-mentioned alloyed steel work-piece nickel phosphorus cobalt ternary-alloy chemical plating fluid; It is characterized in that carrying out as follows: the water that will calculate weighing joins in the reaction kettle, agitator, control rotating speed 120 commentaries on classics/min; Nickelous chloride, inferior sodium phosphate, NSC 51149, ammonium chloride, lactic acid, Trisodium Citrate, compound complex agent, the rare earth addition that will calculate weighing then join in the reaction kettle successively slowly; The limit edged stirs, and is green transparent liquid up to solution, the blowing packing.
Nickel phosphorus cobalt electroless plating liquid usage quantity of the present invention is few, and add-on is merely 20%, can reduce the coating cost significantly, and simultaneously film forming speed is fast and coating is careful, hardness is high, wear resistance and erosion resistance are strong.Nickel-phosphorus chemical plating bath of the present invention is a working fluid, the adjustment liquid in also being to use, and the user need not to purchase three kinds of plating baths such as A, B, C, is convenient to operation and management.
Embodiment
Embodiment 1:
Raw materials used and mass percent is following:
Nickelous chloride 5 ~ 10%
Inferior sodium phosphate 5 ~ 10%
NSC 51149 5 ~ 10%
Ammonium chloride 5 ~ 10%
Lactic acid 1 ~ 6%
Trisodium Citrate 10 ~ 15%
Compound complex agent 0.3 ~ 0.5%
Rare earth addition 1 ~ 3%
Water surplus.
Each raw material can be selected in mass range, and making the quality sum is 100%.
Compound complex agent in the above-mentioned raw materials, rare earth addition are the product of Dalian Sandaaoke Chemistry Co., Ltd., and product type is respectively MT-003, MT-004.
Working method is carried out as follows: the water that will calculate weighing joins in the reaction kettle; Agitator; Control rotating speed 120 commentaries on classics/min, nickelous chloride, inferior sodium phosphate, NSC 51149, ammonium chloride, lactic acid, Trisodium Citrate, compound complex agent, the rare earth addition that will calculate weighing then join in the reaction kettle successively slowly, and the limit edged stirs; Be green transparent liquid up to solution, the blowing packing.
Embodiment 2:
Raw material and working method are all with embodiment 1, and just raw material and mass percent are following:
Nickelous chloride 8%
Inferior sodium phosphate 5 ~ 10%
NSC 51149 8%
Ammonium chloride 8%
Lactic acid 4%
Trisodium Citrate 12%
Compound complex agent 0.4%
Rare earth addition 2%
Water surplus.
The present invention is added water by 20% preparation working fluid, and the adjustment pH value is 8 ~ 9pt, 85 ~ 95 ℃ of temperature, tonburden 3dm
2/ L, to powder metallurgy workpiece electroless plating, its plating speed is 6 ~ 8 μ m/H, and gained coating is thin brilliant careful, and the hardness height is extremely wear-resisting, the plating bath process stabilizing.
Claims (2)
1. alloyed steel work-piece nickel phosphorus cobalt ternary-alloy chemical plating fluid, it is characterized in that raw materials used and mass percent following:
Nickelous chloride 5 ~ 10%
Inferior sodium phosphate 5 ~ 10%
NSC 51149 5 ~ 10%
Ammonium chloride 5 ~ 10%
Lactic acid 1 ~ 6%
Trisodium Citrate 10 ~ 15%
Compound complex agent 0.3 ~ 0.5%
Rare earth addition 1 ~ 3%
Water surplus.
2. working method of alloyed steel work-piece nickel phosphorus cobalt ternary-alloy chemical plating fluid according to claim 1; It is characterized in that carrying out as follows: the water that will calculate weighing joins in the reaction kettle; Agitator; Control rotating speed 120 commentaries on classics/min, nickelous chloride, inferior sodium phosphate, NSC 51149, ammonium chloride, lactic acid, Trisodium Citrate, compound complex agent, the rare earth addition that will calculate weighing then join in the reaction kettle successively slowly, and the limit edged stirs; Be green transparent liquid up to solution, the blowing packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104515785A CN102433556A (en) | 2011-12-30 | 2011-12-30 | Nickel-phosphorus-cobalt ternary alloy electroless plating solution for alloy steel workpieces and production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104515785A CN102433556A (en) | 2011-12-30 | 2011-12-30 | Nickel-phosphorus-cobalt ternary alloy electroless plating solution for alloy steel workpieces and production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102433556A true CN102433556A (en) | 2012-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011104515785A Pending CN102433556A (en) | 2011-12-30 | 2011-12-30 | Nickel-phosphorus-cobalt ternary alloy electroless plating solution for alloy steel workpieces and production method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2544334C1 (en) * | 2013-11-29 | 2015-03-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "ВЯТСКИЙ ГОСУДАРСТВЕННЫЙ УНИВЕРСИТЕТ" (ФГБОУ ВПО "ВятГУ") | Method of multilayer composite coating manufacturing on steel by chemical deposition |
| RU2547518C1 (en) * | 2013-11-29 | 2015-04-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "ВЯТСКИЙ ГОСУДАРСТВЕННЫЙ УНИВЕРСИТЕТ" (ФГБОУ ВПО "ВятГУ") | Multi-layer composite coating on steel produced by method of chemical deposition |
| CN110484902A (en) * | 2019-09-23 | 2019-11-22 | 常德力元新材料有限责任公司 | Electroless Ni-Co-P Alloy Plating plating solution |
-
2011
- 2011-12-30 CN CN2011104515785A patent/CN102433556A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2544334C1 (en) * | 2013-11-29 | 2015-03-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "ВЯТСКИЙ ГОСУДАРСТВЕННЫЙ УНИВЕРСИТЕТ" (ФГБОУ ВПО "ВятГУ") | Method of multilayer composite coating manufacturing on steel by chemical deposition |
| RU2547518C1 (en) * | 2013-11-29 | 2015-04-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "ВЯТСКИЙ ГОСУДАРСТВЕННЫЙ УНИВЕРСИТЕТ" (ФГБОУ ВПО "ВятГУ") | Multi-layer composite coating on steel produced by method of chemical deposition |
| CN110484902A (en) * | 2019-09-23 | 2019-11-22 | 常德力元新材料有限责任公司 | Electroless Ni-Co-P Alloy Plating plating solution |
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| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120502 |