CN100585020C - A kind of brush plating nano Ni-Fe alloy layer and plating bath, preparation method and purposes - Google Patents
A kind of brush plating nano Ni-Fe alloy layer and plating bath, preparation method and purposes Download PDFInfo
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- CN100585020C CN100585020C CN200710009510A CN200710009510A CN100585020C CN 100585020 C CN100585020 C CN 100585020C CN 200710009510 A CN200710009510 A CN 200710009510A CN 200710009510 A CN200710009510 A CN 200710009510A CN 100585020 C CN100585020 C CN 100585020C
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Abstract
The invention provides a kind of brush plating nano Ni-Fe alloy layer and plating bath, preparation method and purposes: its coating grain-size is 10nm-30nm, contains the Fe amount and is 5-20% (wt), and thickness is 10-100 μ m, and hardness is HV450-HV650; Solution composition is a nickel sulfamic acid, nickelous chloride, iron protochloride, Succinic Acid, boric acid, trisodium citrate, xitix, asccharin, sodium laurylsulfonate; Adopt the preparation of brush electroplating method, anode is soluble metal Ni; Can be used for the reparation of wearing parts and the surface strengthening of new product part.The present invention has improved the hardness of common plating Ni layer by the alloying of Fe, thereby raising wear resistance, saved part Ni, adopting soluble anode Ni brush to be coated with is equipped with, shortcoming such as overcome that the common graphite anode pollutes easily that plating bath, sedimentation rate are low, plating bath work-ing life is short, coating has low, the flawless advantage of stress, thereby has higher solidity to corrosion.
Description
Technical field
The invention belongs to field of electroplating, more specifically relate to a kind of brush plating nano Ni-Fe alloy layer and plating bath, preparation method and purposes.
Background technology
Compare with congruent common material, nano material has very high intensity and hardness, and people carry out a large amount of research to nano material is synthetic with the preparation method, propose several different methods.Wherein electro-deposition method have that technology is simple, the nano material density advantages of higher of equipment less investment, preparation.The ultimate principle of brush plating is identical with galvanic deposit, but need not coating bath.The plating pen (connecing power anode) that soaks full plating bath is moved on workpiece (connecing power cathode) surface with certain speed of relative movement, and keep suitable pressure.At the position that the plating pen contacts with workpiece, the metal ion in the plating bath is diffused into workpiece surface under the effect of electrical forces, and is reduced into atoms metal at the workpiece surface electron gain, and these atoms metals form coating at the workpiece surface depositing crystalline.Brush plating is a kind of important surface engineering technology, can be on the large parts surface or local surfaces deposit various metal or alloy coating, have characteristics such as equipment is simple, technology is simple, with low cost, applied widely.The reparation of component and the surface strengthening of new product component have been widely used in losing efficacy.The inefficacy of many element parts improves the surface property of material from the surface, promptly can improve the use properties of component.Therefore, adopt the brush electroplating method to prepare nano metal or alloy layer at component surface, give full play to the high-performance of nano material, improve the work-ing life of machine, economical with materials has important practice value.
But because electroplate liquid and electroplating parameter is different, its coating performance of electroplating out has very big difference.And adopt in the plating in the past that the common graphite anode pollutes easily that plating bath, sedimentation rate are low, shortcoming such as plating bath work-ing life is short.
Summary of the invention
The purpose of this invention is to provide a kind of brush plating nano Ni-Fe alloy layer and plating bath, preparation method and purposes; The preparation method is simple, improved the hardness of common plating Ni layer by the alloying of Fe, thereby the raising wear resistance, and saved part Ni, adopt soluble anode Ni brush to be coated with and be equipped with, having overcome the employing nickel sulfamic acid is main salt, have that stress is low, the flawless advantage of coating, thereby have higher solidity to corrosion, utilization extensively, cost is low, and the performance of nanometer Ni is good.
The plating bath of brush plating nano Ni-Fe alloy layer of the present invention, it is characterized in that: the composition of described plating bath is: nickel sulfamic acid 400g/L-500g/L, nickelous chloride 20g/L-40g/L, iron protochloride 10g/L-40g/L, Succinic Acid 0.2g/L-0.5g/L, boric acid 30g/L-50g/L, trisodium citrate 15g/L-30g/L, xitix 1g/L-2g/L, asccharin 0.1g/L-0.3g/L, sodium laurylsulfonate 0.02g/L-0.05g/L.
The preparation method of brush plating nano Ni-Fe alloy layer of the present invention is characterized in that: described preparation method is: adopt soluble anode Ni, brush plating legal system is equipped with the chemical machining nano Ni-Fe alloy layer; Described brush plating method step is:
(1) preparation soluble anode Ni;
(2) pre-treatment of workpiece surface to be plated;
(3) plating chemical machining nano Ni-Fe alloy layer;
(4) chemical machining nano Ni-Fe alloy layer aftertreatment;
The processing parameter of described brush plating is: voltage 6～10V; Anode and cathode speed of relative movement 6～11m/min; 45 ℃～60 ℃ of plating temperatures, time 10min～60min.
The grain-size of brush plating nano Ni-Fe alloy layer of the present invention is 10nm-30nm, and containing the Fe amount is 5% (wt)-20% (wt), and thickness is 10-100 μ m, and hardness is HV450-HV650.
Brush plating nano Ni-Fe alloy layer of the present invention can be used to prepare on the component that metallic substance such as iron and steel, copper alloy, aluminium alloy are made or coating is used to prepare surface in non-metallic material.
The advantage that showing of the present invention is:
(1) adopt the Ni-Fe alloy layer character of plating bath brush plating of the present invention good, surface-brightening, flawless.Hardness is HV450-HV650, apparently higher than the hardness of nanometer Ni.Coating contains that Fe amount is high more, and grain-size is more little, and hardness is high more.Corrosion experiment show the solidity to corrosion of chemical machining nano Ni-Fe alloy layer and nanometer Ni quite, even be higher than the solidity to corrosion of nanometer Ni.This is relevant with concrete corrosive medium.
(2) according to studies show that the content of iron protochloride is low more, coating to contain the Fe amount low more, grain-size is big more, hardness reduces.But the iron protochloride too high levels, crackle can appear in coating, and the iron protochloride content range in the plating bath of the present invention is moderate, and the chemical machining nano Ni-Fe alloy layer character that is prepared by this plating bath has obvious superiority.
(3) thermostability of chemical machining nano Ni-Fe alloy layer of the present invention is apparently higher than pure nanometer Ni's.Hardness is significantly improved in the back of heating below 200 ℃, and 200-400 ℃ of heating, hardness decreases with the rising of Heating temperature.After 400 ℃ of heating, hardness but still be higher than plated state.
(4) chemical machining nano Ni-Fe alloy layer of the present invention can be used to repair component, resizing and the performance of wearing and tearing, corrosion failure.Also can improve its work-ing life with the reinforcement on new product surface.
Embodiment
Specific implementation method of the present invention is as follows:
(1) preparation plating bath, the composition of plating bath is: nickel sulfamic acid 400g/L-500g/L, nickelous chloride 20g/L-40g/L, iron protochloride 10g/L-40g/L, Succinic Acid 0.2g/L-0.5g/L, boric acid 30g/L-50g/L, trisodium citrate 15g/L-30g/L, xitix 1g/L-2g/L, asccharin 0.1g/L-0.3g/L, sodium laurylsulfonate 0.02g/L-0.05g/L.
(2) anode preparation: with metal Ni is soluble anode, and size and dimension is simultaneously processed a threaded hole according to the area and the shape decision of workpiece to be plated at it, to connect the plating pen.Wrap layer 2-4 terylene cotton-padded covering after cleaning up.
(3) pre-treatment on surface to be plated: the pre-treatment on surface to be plated is identical with the common electrical brush plating, comprising: derust, remove by, electricity is clean, activation, plating bottom (special nickel).Concrete norm is identical with the pre-treatment of common electrical brush plating.
(4) plating chemical machining nano Ni-Fe alloy layer: adopt special-purpose electric brush plating power supply, anode is connect positive source, workpiece to be plated connects power cathode.The processing parameter of chemical machining nano Ni-Fe alloy layer brush plating is: voltage 6～10V; Anode and cathode speed of relative movement 6～11m/min; 45 ℃～60 ℃ of bath temperatures, time 10min～60min.
(5) after brush is plating to the thickness (10-100 μ m) of requirement, clean with flushing with clean water, dry up or dry.
(6) coating that hardness and bonding strength are had relatively high expectations can also further improve hardness 200 ℃ of heat tracings 1 hour, strengthens bonding strength.
Embodiment 1
1). solution composition: nickel sulfamic acid 420g/L, nickelous chloride 47.5/L, iron protochloride 5g/L, boric acid 40g/L, trisodium citrate 25g/L, xitix 1.5g/L, Succinic Acid 0.2g/L, sodium laurylsulfonate 0.02g/L, asccharin 0.2g/L.
2). brush plating condition: voltage 6V; Anode and cathode speed of relative movement 11m/min; 60 ℃ of bath temperatures, time 30min.
3). the result: coating contains Fe amount 5.84%, grain-size 30nm, hardness HV512.2 (apparently higher than the HV451 of pure nanometer Ni).Thickness 40 μ m, coating surface light, flawless.
Embodiment 2
1) solution composition: iron protochloride is increased to 15g/L, and other constituent concentration is identical with example 1.
2) brush plating condition: identical with example 1.
3) result: coating contains Fe amount 16.56%, grain-size 8.7nm, hardness HV584.Thickness 35 μ m, coating surface light, flawless.200 ℃ of annealing 1h, hardness increases to HV710.Behind 400 ℃ of annealing 1h, hardness is HV645, is higher than the hardness that deposits attitude.The chemical machining nano Ni-Fe alloy layer of being invented has very high thermostability.
Claims (8)
1. the plating bath of a brush plating nano Ni-Fe alloy layer, it is characterized in that: the composition of described plating bath is: nickel sulfamic acid 400g/L-500g/L, nickelous chloride 20g/L-40g/L, iron protochloride 10g/L-40g/L, Succinic Acid 0.2g/L-0.5g/L, boric acid 30g/L-50g/L, trisodium citrate 15g/L-30g/L, xitix 1g/L-2g/L, asccharin 0.1g/L-0.3g/L, sodium laurylsulfonate 0.02g/L-0.05g/L.
2. brush electroplating method that adopts plating bath as claimed in claim 1 to prepare the chemical machining nano Ni-Fe alloy layer, it is characterized in that: described preparation method is: adopt soluble anode Ni, brush plating legal system is equipped with the chemical machining nano Ni-Fe alloy layer; Described brush plating method step is:
(1) preparation soluble anode Ni;
(2) pre-treatment of workpiece surface to be plated;
(3) plating chemical machining nano Ni-Fe alloy layer;
(4) chemical machining nano Ni-Fe alloy layer aftertreatment;
The processing parameter of described brush plating is: voltage 6～10V; Anode and cathode speed of relative movement 6～11m/min;
45 ℃～60 ℃ of plating temperatures, time 10min～60min.
3. the brush electroplating method of preparation chemical machining nano Ni-Fe alloy layer according to claim 2, it is characterized in that: described soluble anode Ni is prepared as: with metal Ni is soluble anode, size and dimension is according to the area and the shape decision of workpiece to be plated, simultaneously process a threaded hole at it, to connect the plating pen; Wrap layer 2-4 terylene cotton-padded covering after cleaning up.
4. the brush electroplating method of preparation chemical machining nano Ni-Fe alloy layer according to claim 2 is characterized in that: the pre-treatment on described surface to be plated is identical with the common electrical brush plating, for: derust, oil removing, electricity is clean, activation, special nickel plating bottom, its concrete norm is identical with the pre-treatment of common electrical brush plating.
5. the brush electroplating method of preparation chemical machining nano Ni-Fe alloy layer according to claim 2, it is characterized in that: adopt special-purpose electric brush plating power supply, anode is connect positive source, and workpiece to be plated connects power cathode, and the processing parameter of chemical machining nano Ni-Fe alloy layer brush plating is: voltage 6～10V; Anode and cathode speed of relative movement 6～11m/min; 45 ℃～60 ℃ of plating temperatures, time 10min～60min.
6. the brush electroplating method of preparation chemical machining nano Ni-Fe alloy layer according to claim 2, it is characterized in that: the aftertreatment of described chemical machining nano Ni-Fe alloy layer is: after brush is plating to the thickness of requirement of chemical machining nano Ni-Fe alloy layer, clean with flushing with clean water, dry up or dry.
7. the brush electroplating method of preparation chemical machining nano Ni-Fe alloy layer according to claim 6 is characterized in that: the thickness that described chemical machining nano Ni-Fe alloy layer requires is 10-100 μ m.
8. the brush electroplating method of preparation chemical machining nano Ni-Fe alloy layer according to claim 2 is characterized in that: the workpiece after plating is good further improves hardness 200 ℃ of heat tracings 1 hour, strengthens bonding strength.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2710749C1 (en) * | 2018-07-27 | 2020-01-13 | Роберт Дмитриевич Тихонов | METHOD OF ELECTROCHEMICAL DEPOSITION OF PERMALLOY FILMS Ni81Fe19 FOR INTEGRATED CIRCUITS |
| RU2794924C1 (en) * | 2022-03-18 | 2023-04-25 | федеральное государственное бюджетное научное учреждение "Научно-производственный комплекс "Технологический центр" | METHOD FOR ELECTROCHEMICAL DEPOSITION OF CoNiFe TERNARY ALLOY FILMS |
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| CN103397360A (en) * | 2010-06-25 | 2013-11-20 | 杨红宇 | Brush plating solution |
| CN102732916B (en) * | 2011-04-13 | 2016-06-08 | 山东泰宝包装制品有限公司 | A kind of fast electric casting process |
| CN103255451B (en) * | 2013-04-03 | 2015-07-22 | 河南理工大学 | Preparation method of thick high-speed nickel coating by brush plating |
| CN104195606B (en) * | 2014-08-26 | 2017-02-15 | 燕山大学 | Thick nickel-iron-tungsten ternary alloy plating layer and preparation method thereof |
| CN104451829B (en) * | 2014-11-20 | 2017-06-27 | 长沙理工大学 | Nickel-iron-phosphorus/nano V8C7Composite electroplating liquid |
| RU2682198C1 (en) * | 2017-10-05 | 2019-03-15 | федеральное государственное бюджетное научное учреждение "Научно-производственный комплекс "Технологический центр" | METHOD OF ELECTROCHEMICAL DEPOSITION OF Ni81Fe19 PERMALLOY FILMS WITH INCREASED ACCURACY REPRODUCIBILITY COMPOSITION |
| CN108193242A (en) * | 2017-12-27 | 2018-06-22 | 中国人民解放军陆军装甲兵学院 | A kind of method for preparing nickel cobalt coating in copper alloy surface Brush Plating |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2710749C1 (en) * | 2018-07-27 | 2020-01-13 | Роберт Дмитриевич Тихонов | METHOD OF ELECTROCHEMICAL DEPOSITION OF PERMALLOY FILMS Ni81Fe19 FOR INTEGRATED CIRCUITS |
| RU2794924C1 (en) * | 2022-03-18 | 2023-04-25 | федеральное государственное бюджетное научное учреждение "Научно-производственный комплекс "Технологический центр" | METHOD FOR ELECTROCHEMICAL DEPOSITION OF CoNiFe TERNARY ALLOY FILMS |
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