CN104195598A - Electroplating solution and electroplating method for electroplating bright nickel-titanium alloy on motorcycle accessories - Google Patents

Electroplating solution and electroplating method for electroplating bright nickel-titanium alloy on motorcycle accessories Download PDF

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Publication number
CN104195598A
CN104195598A CN201410406559.4A CN201410406559A CN104195598A CN 104195598 A CN104195598 A CN 104195598A CN 201410406559 A CN201410406559 A CN 201410406559A CN 104195598 A CN104195598 A CN 104195598A
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CN
China
Prior art keywords
electroplating
alloy
motorcycle accessories
bright
electroplate liquid
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Pending
Application number
CN201410406559.4A
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Chinese (zh)
Inventor
李光文
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CHONGQING HENGKE MACHINERY MANUFACTURING Co Ltd
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CHONGQING HENGKE MACHINERY MANUFACTURING Co Ltd
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Priority to CN201410406559.4A priority Critical patent/CN104195598A/en
Publication of CN104195598A publication Critical patent/CN104195598A/en
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Abstract

The invention discloses an electroplating solution and an electroplating method for electroplating bright nickel-titanium alloy on motorcycle accessories. The electroplating solution comprises the following components in weight ratios: 1) 220g/L nickel sulfate, 2) 80g/L nickel chloride, 3) 8g/L titanium oxysulfate, 4) 42g/L boric acid, 5) 10ml/L brightener, 6) 10ml/L softener, 7) 0.8ml/L wetting agents and the balance of distilled water or deionized water. By adopting the electroplating solution and the electroplating method for electroplating the bright nickel-titanium alloy on the motorcycle accessories, no cyanide, no chromium and no pollution can be achieved and the performance of the electroplating solution and the performance of a coating can both reach the coating effect of 'electroplating nickel + electroplating chrome and 'electroplating bright copper + electroplating bright nickel + electroplating chrome (with hexavalent chromium salts)'.

Description

For electroplate liquid and the electro-plating method of motorcycle accessories electroplating bright Ni-Ti alloy
Technical field
The invention belongs to plating; The plating solution field that it is used, relates to a kind of electroplate liquid and electro-plating method for motorcycle accessories electroplating bright Ni-Ti alloy.
Background technology
In common motorcycle accessories Electroplating Production, multiplex chromium plating is as last operation, and this is because chromium coating has light, pure white outward appearance, and has that hardness is high, wear resistance is strong, corrosion-resistant, resistant to elevated temperatures feature, is widely used.But, because chrome-plated process still adopts the sexavalence chromic salts that toxicity is larger at present, environment, water source, atmosphere, human body are brought to very large harm impact.Research and develop new, with eco-friendly nickel-base alloy coating, have great application prospect, also there are great economic results in society, the electroplating technology of Ni-Ti alloy is one of technology of chromium replacement electroplating, often there is bright property, lack of uniformity in the workpiece of the electroplating technology of general Ni-Ti alloy, sometimes present pin hole, pit, affect quality product.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of electroplate liquid and electro-plating method for motorcycle accessories electroplating bright Ni-Ti alloy, this electroplate liquid and electro-plating method can reach without cyanogen, Chrome-free and pollution-free, and the performance of its plating solution and the performance of coating all can reach the effect of the coating of " nickel plating+chromium plating " and " plating bright copper+bright nickel plating+chromium plating (using sexavalence chromic salts) ".
For achieving the above object, a kind of electroplate liquid for motorcycle accessories electroplating bright Ni-Ti alloy of the present invention, its component and weight ratio are:
1), single nickel salt 200~250g/L,
2), nickelous chloride 50~100g/L,
3), titanyl sulfate 3.5~10.5g/L,
4), boric acid 40~45g/L,
5), brightening agent 8~10ml/L,
6), softening agent 5~10ml/L,
7), wetting agent 0.5~1ml/L
All the other are distilled water or deionization.
Further, its component and concrete weight ratio are:
1), single nickel salt 220g/L,
2), nickelous chloride 80g/L,
3), titanyl sulfate 8g/L,
4), boric acid 42g/L,
5), brightening agent 10ml/L,
6), softening agent 10ml/L,
7), wetting agent 0.8ml/L
All the other are distilled water or deionization.
Further, described brightening agent is at least one in 2,5-dimethyl hexin glycol, benzsulfamide and sulphosalicylic acid.
Further, in described brightening agent 2, the mass ratio of 5-dimethyl hexin glycol, benzsulfamide and sulphosalicylic acid is 1: 17~100: 0.7~20.
Further, at least one in described wetting agent sodium 2-ethylhexyl sulfate and succinic acid dihexyl sodium sulfonate.
Further, in described wetting agent, the mass ratio of sodium 2-ethylhexyl sulfate and succinic acid dihexyl sodium sulfonate is 0.5~12.5: 1.
The invention also discloses a kind of electroplate liquid electro-plating method for motorcycle accessories electroplating bright Ni-Ti alloy, its step is as follows:
1) metal nickel plate, stainless steel plate or ruthenium titanium alloy sheet are put into electroplating solution, as anode;
2) workpiece is put into the electroplating solution of nickel, as negative electrode;
3) pass into direct supply, cathode current density 2.0~8.0A/dm2,50~60 DEG C of temperature of electroplating solution, electroplating time 30~45 minutes.
Further, described step 3) in cathode current density be 5.0~6.0 amperes/square decimeter; Described temperature of electroplating solution is 55 DEG C; Described electroplating time is 35~40 minutes.
Beneficial effect of the present invention is:
1, the present invention can reach without cyanogen, Chrome-free and pollution-free for electroplate liquid and the electro-plating method of motorcycle accessories electroplating bright Ni-Ti alloy, and the performance of its plating solution and the performance of coating all can reach the effect of the coating of " nickel plating+chromium plating " and " plating bright copper+bright nickel plating+chromium plating (using sexavalence chromic salts) ".
2, the present invention has the following advantages for the electroplate liquid of motorcycle accessories electroplating bright Ni-Ti alloy:
1. solution composition is simple; Nontoxic, pollution-free, without Cr6+;
2. bath stability, not muddy, anti-impurity ability are strong;
3. performance is good, easy to operate; Covering power (in Φ 10 × 100mm pipe) reaches 50%-60%;
The content of Ti in 4.NiTi alloy layer (depending on Ti salts contg in T, pH, Dk, liquid) can reach 5-35% (mass ratio); The Ti content of NiTi alloy layer rises with the pH of Ti salt concn, solution temperature, solution in solution, the raising of cathode current density, otherwise declines.
Embodiment
Embodiment mono-
A kind of electroplate liquid for motorcycle accessories electroplating bright Ni-Ti alloy of the present invention, its component and concrete weight ratio are:
1), single nickel salt 220g/L,
2), nickelous chloride 80g/L,
3), titanyl sulfate 8g/L,
4), boric acid 42g/L,
5), brightening agent 10ml/L,
6), softening agent 10ml/L,
7), wetting agent 0.8ml/L
All the other are distilled water or deionization.
Embodiment bis-
A kind of electroplate liquid for motorcycle accessories electroplating bright Ni-Ti alloy of the present invention, its component and concrete weight ratio are:
1), single nickel salt 200g/L,
2), nickelous chloride 50g/L,
3), titanyl sulfate 3.5g/L,
4), boric acid 40g/L,
5), brightening agent 8ml/L,
6), softening agent 5ml/L,
7), wetting agent 0.5ml/L
All the other are distilled water or deionization.
Embodiment tri-
A kind of electroplate liquid for motorcycle accessories electroplating bright Ni-Ti alloy of the present invention, its component and concrete weight ratio are:
1), single nickel salt 250g/L,
2), nickelous chloride 100g/L,
3), titanyl sulfate 10.5g/L,
4), boric acid 45g/L,
5), brightening agent 10ml/L,
6), softening agent 10ml/L,
7), wetting agent 1ml/L
All the other are distilled water or deionization.
Further, described brightening agent is at least one in 2,5-dimethyl hexin glycol, benzsulfamide and sulphosalicylic acid.
Further, in described brightening agent 2, the mass ratio of 5-dimethyl hexin glycol, benzsulfamide and sulphosalicylic acid is 1: 17~100: 0.7~20.
Further, at least one in described wetting agent sodium 2-ethylhexyl sulfate and succinic acid dihexyl sodium sulfonate.
Further, in described wetting agent, the mass ratio of sodium 2-ethylhexyl sulfate and succinic acid dihexyl sodium sulfonate is 0.5~12.5: 1.
The invention also discloses a kind of electroplate liquid electro-plating method for motorcycle accessories electroplating bright Ni-Ti alloy, its step is as follows:
1) metal nickel plate, stainless steel plate or ruthenium titanium alloy sheet are put into electroplating solution, as anode;
2) workpiece is put into the electroplating solution of nickel, as negative electrode;
3) pass into direct supply, cathode current density 2.0~8.0A/dm2,50~60 DEG C of temperature of electroplating solution, electroplating time 30~45 minutes.
Further, preferred described step 3) in cathode current density be 5.0~6.0 amperes/square decimeter; Described temperature of electroplating solution is 55 DEG C; Described electroplating time is 35~40 minutes.
The Ni-Ti alloy coating that above three embodiment obtain is all bright, careful, soft, and look is like Cr coating, by destructive test, detection, the Ni-Ti alloy coating that three embodiment obtain and copper layer, nickel dam bonding force are good, do not come off, without fragility, free of pinholes, flawless; Solidity to corrosion is all better than Ni, Ni+Cr coating.
Finally explanation is, above preferred embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is described in detail by above preferred embodiment, but those skilled in the art are to be understood that, can make various changes to it in the form and details, and not depart from the claims in the present invention book limited range.

Claims (8)

1. for an electroplate liquid for motorcycle accessories electroplating bright Ni-Ti alloy, it is characterized in that: its component and weight ratio are:
1), single nickel salt 200~250g/L,
2), nickelous chloride 50~100g/L,
3), titanyl sulfate 3.5~10.5g/L,
4), boric acid 40~45g/L,
5), brightening agent 8~10ml/L,
6), softening agent 5~10ml/L,
7), wetting agent 0.5~1ml/L
All the other are distilled water or deionization.
2. according to a kind of electroplate liquid for motorcycle accessories electroplating bright Ni-Ti alloy of claim 1, it is characterized in that: its component and concrete weight ratio are:
1), single nickel salt 220g/L,
2), nickelous chloride 80g/L,
3), titanyl sulfate 8g/L,
4), boric acid 42g/L,
5), brightening agent 10ml/L,
6), softening agent 10ml/L,
7), wetting agent 0.8ml/L
All the other are distilled water or deionization.
3. according to a kind of electroplate liquid for motorcycle accessories electroplating bright Ni-Ti alloy of claim 1, it is characterized in that: described brightening agent is at least one in 2,5-dimethyl hexin glycol, benzsulfamide and sulphosalicylic acid.
4. the electroplate liquid for motorcycle accessories electroplating bright Ni-Ti alloy according to claim 3, is characterized in that: in described brightening agent 2, the mass ratio of 5-dimethyl hexin glycol, benzsulfamide and sulphosalicylic acid is 1: 17~100: 0.7~20.
5. the electroplate liquid for motorcycle accessories electroplating bright Ni-Ti alloy according to claim 1, is characterized in that: at least one in described wetting agent sodium 2-ethylhexyl sulfate and succinic acid dihexyl sodium sulfonate.
6. the electroplate liquid for motorcycle accessories electroplating bright Ni-Ti alloy according to claim 4, is characterized in that; In described wetting agent, the mass ratio of sodium 2-ethylhexyl sulfate and succinic acid dihexyl sodium sulfonate is 0.5~12.5: 1.
7. adopt the electroplate liquid electro-plating method for motorcycle accessories electroplating bright Ni-Ti alloy described in claim 1~6 any one, it is characterized in that; Its step is as follows:
1) metal nickel plate, stainless steel plate or ruthenium titanium alloy sheet are put into electroplating solution, as anode;
2) workpiece is put into the electroplating solution of nickel, as negative electrode;
3) pass into direct supply, cathode current density 2.0~8.0A/dm2,50~60 DEG C of temperature of electroplating solution, electroplating time 30~45 minutes.
8. the electroplate liquid electro-plating method for motorcycle accessories electroplating bright Ni-Ti alloy according to claim 7, is characterized in that: described step 3) in cathode current density be 5.0~6.0 amperes/square decimeter; Described temperature of electroplating solution is 55 DEG C; Described electroplating time is 35~40 minutes.
CN201410406559.4A 2014-08-19 2014-08-19 Electroplating solution and electroplating method for electroplating bright nickel-titanium alloy on motorcycle accessories Pending CN104195598A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104499015A (en) * 2014-12-25 2015-04-08 浙江荣成辊轴有限公司 Electroplating solution, preparation method thereof and application of electroplating solution in electroplated metal alloy
CN104975314A (en) * 2015-06-19 2015-10-14 武汉吉和昌化工科技股份有限公司 Nickel-cobalt-titanium ternary alloy electroplating polishing process

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6176697A (en) * 1984-09-25 1986-04-19 Nobuyuki Koura Nickel-titanium alloy plating bath
CN103397353A (en) * 2013-07-23 2013-11-20 湖北大学 Electroplating solution and method for electroplating bright nickel-titanium alloy
CN103397357A (en) * 2013-07-23 2013-11-20 湖北大学 Electroplating solution additive for electroplating bright nickel-titanium alloy

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6176697A (en) * 1984-09-25 1986-04-19 Nobuyuki Koura Nickel-titanium alloy plating bath
CN103397353A (en) * 2013-07-23 2013-11-20 湖北大学 Electroplating solution and method for electroplating bright nickel-titanium alloy
CN103397357A (en) * 2013-07-23 2013-11-20 湖北大学 Electroplating solution additive for electroplating bright nickel-titanium alloy

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104499015A (en) * 2014-12-25 2015-04-08 浙江荣成辊轴有限公司 Electroplating solution, preparation method thereof and application of electroplating solution in electroplated metal alloy
CN104975314A (en) * 2015-06-19 2015-10-14 武汉吉和昌化工科技股份有限公司 Nickel-cobalt-titanium ternary alloy electroplating polishing process
CN104975314B (en) * 2015-06-19 2018-08-07 武汉吉和昌化工科技股份有限公司 A kind of nickel-cobalt-titanium ternary alloys plating bright technique

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Application publication date: 20141210