CN1827849A - Chemical plating solution for preparing composite coating resistant to fretting damage and chemical plating method thereof - Google Patents

Chemical plating solution for preparing composite coating resistant to fretting damage and chemical plating method thereof Download PDF

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Publication number
CN1827849A
CN1827849A CN 200610020597 CN200610020597A CN1827849A CN 1827849 A CN1827849 A CN 1827849A CN 200610020597 CN200610020597 CN 200610020597 CN 200610020597 A CN200610020597 A CN 200610020597A CN 1827849 A CN1827849 A CN 1827849A
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China
Prior art keywords
chemical plating
composite coating
coating resistant
fretting damage
fluid
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CN 200610020597
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Chinese (zh)
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CN100451167C (en
Inventor
刘继光
陈奎儒
申蓉蓉
张祖军
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Southwest University of Science and Technology
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Southwest University of Science and Technology
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Abstract

The invention relates the method for preparing antifriction damnification composite deposite chemical plating liquid, comprising the following characters: 28-35g/L nickelous sulfate, 55-62g/L ethanediamine, 0.2-1.0 g/L potassium borohydride, 40-62g/L caustic soda, 0.1-0.15g/L thallium sulfate, 1-5g/L graphite fluoride; cleaning and activating the surface of work, putting the work into chemical plating liquid at 12-14 PH and 80-88Deg.C for 10-60 min. The Ni-Tl-B/(CF)n the composite deposite made by the said method has the advantages of homogeneous thickness, good association, high hardness, strong blocking resistance and good corrosivity.

Description

The chemical plating fluid and the chemical plating method of preparation composite coating resistant to fretting damage
Technical field
The invention belongs to and belong to chemical plating liquid composite and chemical plating method, particularly a kind of chemical plating fluid and chemical plating method for preparing composite coating resistant to fretting damage.
Background technology
Because that the coating of chemical nickel plating preparation has is wear-resistant, corrosion-resistant, coating evenly reaches good good characteristics such as magnetic performance, receive the very big concern of industry member for a long time, in industries such as machinery, electronics, instrument, light industry, communications and transportation, be used widely.Self-lubricating coating of the prior art has antifriction performance preferably under some certain environmental conditions, but do not have the anti-friction wear-resistant function under fine motion friction environment condition, the composite deposite that is used for the frictionally damage of anti-fine motion the on the aviation machine mating surfaces such as aircraft is not seen bibliographical information as yet.
Summary of the invention
Purpose of the present invention is intended to overcome deficiency of the prior art, provides a kind of and goes up chemical nickel plating thallium boron/fluorographite [Ni-Tl-B/ (CF) at matrix (plating piece) n] chemical plating fluid and the chemical plating method of preparation composite coating resistant to fretting damage of composite deposite.
Content of the present invention is: a kind of chemical plating fluid for preparing composite coating resistant to fretting damage is characterized in that: the composition of chemical plating fluid and content are:
Single nickel salt NiSO 47H 2O 28～35g/L,
Quadrol NH 2CH 2CH 2NH 255～62g/L,
POTASSIUM BOROHYDRIDE KBH 0.2～1.0g/L,
Sodium hydroxide NaOH 40～62g/L,
Thallic sulfate Tl 2SO 40.1～0.15g/L,
Fluorographite (CF) n1～5g/L,
In the content of the present invention: described single nickel salt can be by nickelous chloride (NiCl 26H 2O) substitute.
In the content of the present invention: described quadrol can be by Trisodium Citrate (Na 3C 6H 5O 72H 2O) substitute.
In the content of the present invention: described POTASSIUM BOROHYDRIDE can be by sodium borohydride (NaBH) 4Substitute.
In the content of the present invention: described sodium hydroxide can be substituted by potassium hydroxide (KOH).
In the content of the present invention: described thallic sulfate can be by thallium trinitrate (TTN) (TlNO 3) substitute.
In the content of the present invention: described fluorographite [(CF) n] particle diameter be 1～5 μ m preferably.
The compound method of above-mentioned chemical plating fluid is:
1, takes by weighing the nickelous chloride (NiCl of metering 26H 2O) or single nickel salt (NiSO 47H 2O), quadrol (NH 2CH 2CH 2NH 2) or Trisodium Citrate (Na 3C 6H 5O 72H 2O), POTASSIUM BOROHYDRIDE (KBH) or sodium borohydride are [(NaBH) 4], sodium hydroxide (NaOH) or potassium hydroxide (KOH), thallic sulfate (Tl 2SO 4) or thallium trinitrate (TTN) (TlNO 3), dissolve with less water respectively;
2, the fluorographite that takes by weighing metering [(CF) n], do hydrophilic and the surface treatment of lotus positive electricity with positively charged ion and nonionogenic tenside, the same prior art of method;
3, above-mentioned each component is mixed into uniform solution;
4, transfer PH to 12～14 with acid (for example 1M hydrochloric acid etc.) or alkali (for example 1M sodium hydroxide etc.), add water (being preferably distilled water or deionized water) constant volume.
Use above-mentioned chemical plating fluid to prepare the chemical plating method of composite coating resistant to fretting damage, comprise: with plating piece (or claiming matrix) cleaning surfaces and activation treatment (same prior art), it is characterized in that also comprising: again plating piece is placed described chemical plating fluid, at pH value 12～14,80～88 ℃ of following immersion plating 10～60min of temperature.
Be preferably in the described immersion plating process chemical plating fluid is intermittently stirred, for example: every stirring 1min is 3min intermittently.
Plating piece after the described immersion plating is preferably again through 200 ℃～400 ℃ thermal treatments 1～2 hour.
Use the chemical plating technology flow process of above-mentioned chemical plating fluid to be:
Electrochemical deoiling → washing → activation → washing → part is immersed above-mentioned chemical plating fluid immersion plating → washing → drying → inspection.Same prior art.
Compared with prior art, the present invention has following characteristics and beneficial effect:
(1) adopts the present invention, the nickel thallium boron/fluorographite [Ni-Tl-B/ (CF) that makes n] thickness of multiple plating is even, and is good with matrix bond, surface hardness height (more than the heat treatment hardness HV1000), resistance to bond is strong, and anti-fretting damage and corrodibility are good, and working under low circumferential stress load and vibrational corrosion envrionment conditions has excellent properties of antifriction and wear resistance;
(2) nickel thallium boron/fluorographite [Ni-Tl-B/ (CF) of making of the present invention n] composite deposite, be specially adapted to possess on the aviation machine mating surfaces such as aircraft of the frictionally damage of anti-fine motion performance;
(3) composition of the present invention and technology are simple, and stable preparation process, condition are controlled easily, and be practical.
Embodiment
The invention will be further described below by embodiment:
Embodiment 1:
A kind of chemical plating fluid for preparing composite coating resistant to fretting damage, the composition and the content of per 1 liter of (L) chemical plating fluid are:
Single nickel salt NiSO 47H 2O 28g,
Quadrol NH 2CH 2CH 2NH 255g,
Sodium borohydride (NaBH) 40.2g,
Sodium hydroxide NaOH 40g,
Thallium trinitrate (TTN) TlNO 30.1g,
Fluorographite (CF) n1g.
The compound method of above-mentioned chemical plating fluid is:
1, takes by weighing the single nickel salt (NiSO of metering 47H 2O), quadrol (NH 2CH 2CH 2NH 2), sodium borohydride [(NaBH) 4], sodium hydroxide (NaOH), thallium trinitrate (TTN) (TlNO 3), dissolve with less water respectively;
2, the fluorographite that takes by weighing metering [(CF) n] (particle diameter is 1～5 μ m), do hydrophilic and the surface treatment of lotus positive electricity with positively charged ion and nonionogenic tenside, the same prior art of method;
3, above-mentioned each component is mixed into uniform solution;
4, transfer PH to 12～14 with acid (for example 1M hydrochloric acid etc.) or alkali (for example 1M sodium hydroxide etc.), add water (being preferably distilled water or deionized water) constant volume.
Use above-mentioned chemical plating fluid to prepare the chemical plating method of composite coating resistant to fretting damage, comprise: with plating piece (or claiming matrix) cleaning surfaces and activation treatment (same prior art), it is characterized in that also comprising: again plating piece is placed described chemical plating fluid, at pH value 12～14,80～88 ℃ of following immersion plating 10～60min of temperature; Be preferably in the immersion plating process chemical plating fluid is intermittently stirred, for example: every stirring 1min is 3min intermittently; Plating piece after the immersion plating is preferably again through 200 ℃～400 ℃ thermal treatments 1～2 hour.
Embodiment 2:
A kind of chemical plating fluid for preparing composite coating resistant to fretting damage, the composition and the content of per 1 liter of (L) chemical plating fluid are: nickelous chloride (NiCl 26H 2O) 32g, Trisodium Citrate (Na 3C 6H 5O 72H 2O) 60g, POTASSIUM BOROHYDRIDE (KBH) 0.5g, potassium hydroxide (KOH) 50g, thallium trinitrate (TTN) (TlNO 3) 0.12g, fluorographite (CF) n(particle diameter 1～5 μ m) 2g adds water (being preferably distilled water or deionized water) to 1 liter.The immersion plating temperature is 85 ℃, and pH value is 13, plating time 10～60 minutes.Other is with embodiment 1, slightly.
Embodiment 3:
A kind of chemical plating fluid for preparing composite coating resistant to fretting damage, the composition and the content of per 1 liter of (L) chemical plating fluid are: single nickel salt (NiSO 47H 2O) 35g, Trisodium Citrate (Na 3C 6H 5O 72H 2O) 62g, POTASSIUM BOROHYDRIDE (KBH) 1.0g, potassium hydroxide (KOH) 62g, thallium trinitrate (TTN) (TlNO 3) 0.15g, fluorographite (CF) n(particle diameter 1～5 μ m) 5g adds water (being preferably distilled water or deionized water) to 1 liter.The immersion plating temperature is 88 ℃, and pH value is 14, plating time 10～60 minutes.Other is with embodiment 1, slightly.
Embodiment 4-11:
A kind of chemical plating fluid for preparing composite coating resistant to fretting damage, the composition and the content of per 1 liter of (L) chemical plating fluid are:
Other is with embodiment 1,2 or 3, slightly.
The invention is not restricted to the foregoing description, content of the present invention is described all can implement and have described good result.

Claims (10)

1, a kind of chemical plating fluid for preparing composite coating resistant to fretting damage, it is characterized in that: the composition of chemical plating fluid and content are:
Single nickel salt NiSO 47H 2O 28～35g/L,
Quadrol NH 2CH 2CH 2NH 255～62g/L,
POTASSIUM BOROHYDRIDE KBH 0.2～1.0g/L,
Sodium hydroxide NaOH 40～62g/L,
Thallic sulfate Tl 2SO 40.1～0.15g/L,
Fluorographite (CF) n1～5g/L.
2, by the chemical plating fluid of the sliding composite deposite of the described preparation of claim 1 frictionally damage of anti-the fine motion, it is characterized in that: described single nickel salt is substituted by nickelous chloride.
3, by the chemical plating fluid of the described preparation composite coating resistant to fretting damage of claim 1, it is characterized in that: described quadrol is substituted by Trisodium Citrate.
4, by the chemical plating fluid of the described preparation composite coating resistant to fretting damage of claim 1, it is characterized in that: described POTASSIUM BOROHYDRIDE is substituted by sodium borohydride.
5, by the chemical plating fluid of the described preparation composite coating resistant to fretting damage of claim 1, it is characterized in that: described sodium hydroxide is substituted by potassium hydroxide.
6, by the chemical plating fluid of the described preparation composite coating resistant to fretting damage of claim 1, it is characterized in that: described thallic sulfate is substituted by thallium trinitrate (TTN).
7, by the chemical plating fluid of the described preparation composite coating resistant to fretting damage of claim 1, it is characterized in that: the particle diameter of described fluorographite is 1～5 μ m.
8, a kind of chemical plating method for preparing composite coating resistant to fretting damage, comprise: with plating piece cleaning surfaces and activation treatment, it is characterized in that also comprising: again plating piece is placed claim 1,2,3,4,5 or 6 described chemical plating fluids, at pH value 12～14,80～88 ℃ of following immersion plating 10～60min of temperature.
9, by the chemical plating method of the described preparation composite coating resistant to fretting damage of claim 8, it is characterized in that: in the described immersion plating process chemical plating fluid is intermittently stirred.
10, by the chemical plating method of the described preparation composite coating resistant to fretting damage of claim 8, it is characterized in that: the plating piece after the described immersion plating was through 200 ℃～400 ℃ thermal treatments 1～2 hour.
CNB2006100205971A 2006-03-30 2006-03-30 Chemical plating solution for preparing composite coating resistant to fretting damage and chemical plating method thereof Expired - Fee Related CN100451167C (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101845626A (en) * 2010-06-18 2010-09-29 西南科技大学 Chemical plating solution for preparing Ni-Tl-B plating layer and plating process
CN101377455B (en) * 2007-08-28 2011-09-21 宝山钢铁股份有限公司 Processing fluid for preparing corrosion product film / layer cross section metallographic sample and processing method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1017538B (en) * 1988-07-19 1992-07-22 阿塞拜疆科学院研究和设计院涅弗特扬机器制造所 The device of clamping drill rods
JPH06344560A (en) * 1993-06-07 1994-12-20 Canon Inc Surface treatment of ink jet recording head

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101377455B (en) * 2007-08-28 2011-09-21 宝山钢铁股份有限公司 Processing fluid for preparing corrosion product film / layer cross section metallographic sample and processing method thereof
CN101845626A (en) * 2010-06-18 2010-09-29 西南科技大学 Chemical plating solution for preparing Ni-Tl-B plating layer and plating process

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