CN103993298A - Surface repair nano composite plating and process used for reproducing - Google Patents
Surface repair nano composite plating and process used for reproducing Download PDFInfo
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- CN103993298A CN103993298A CN201410176899.2A CN201410176899A CN103993298A CN 103993298 A CN103993298 A CN 103993298A CN 201410176899 A CN201410176899 A CN 201410176899A CN 103993298 A CN103993298 A CN 103993298A
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Abstract
The present invention relates to the technical field of metal surface repair in reproducing, and in particular relates to a surface repair nano composite plating and process used for reproducing; the surface repair nano composite plating process includes the following steps: (1) pre-plating process, (2) pickling with the pickling liquid hydrochloric acid concentration of 15% to 20% and pickling time of 5 to 30min; (3) water washing activation; and (4) chemical plating repair; wherein a plating solution consists of 27g / L of nickel sulfate, 30g / L of sodium monophosphate, 10g / L of sodium acetate; 5ml / L of a complexing agent, 1-2ml / L of a destressing agent and 0.1-1% of a nano additive. The surface repair nano composite plating process has the advantages that: scientific design on metal surface chemical plating related product formula and process breakthrough, a produced chemical plating nano repair layer is good in binding force with a substrate, good in corrosion resistance, high in hardness, good in processability, and suitable for reproducing industry demand and technological requirements.
Description
Technical field
The present invention relates to manufacture again recovery technique field, metallic surface, specifically refer to a kind of formula and technique of the surface reparation nano-composite plate that is applied to manufacture again.
Background technology
Since the Industrial Revolution, the mankind, when creating huge material wealth, have also paid huge resources and environment cost.Traditional a large amount of consumption with resource realize industrialization and modern Economic Development Mode has consumed earth resources terrifically.Current present situation is that the problem of shortage of resources has seriously restricted economic Sustainable development.In addition, China is used big country as equipment, and existing installation total assets reaches many trillion unit, wherein with regard to the electromechanical equipment of valuable hundreds billion of units, because of key components and parts abrasion, excessive corrosion, fatigue failure, scraps every year.According to statistics, 2010, there are 2,000,000 motor vehicle liquidations, 1,500 ten thousand household electrical appliances are scrapped ..., and average annual learies is be in rapid growth period.Write-off equipment melt down melting processing mode, paying under the condition of a large amount of energy costs and human cost, only can obtain the twice-laid stuff lower than product raw material quality; The concentrated stacking of write-off equipment is processed has become " social effects of pollution " greatly, has had a strong impact on the ecotope of periphery, threatens human health.Therefore, requirement based on sustainable economic development, necessary Developing Circulation Economy, adhere to minimizing in recycling economy, recycling, manufacture again, the 4R principle of recirculation, give full play to the effect being manufactured on again in waste and old electronic product resource maximization, Speed-up Establishment conservation-minded society and friendly environment society.
The important method that Modern Surface Engineering Technology is repaired as the component that lost efficacy in manufacturing engineering again, on the one hand, realize the requirement of the original design size restoration of inefficacy part and surface property; On the other hand, be different from new product surface preparation process, manufacturing surface engineering technology has its singularity again, at electronic product key components and parts especially abrasion part, manufacture again in reparation, coating must possess very excellent reprocess, anti-extrusion, antifriction damages, the key property such as corrosion-resistant.Therefore, the research and development of the Modern Surface Engineering Technology based on manufacturing are again extremely urgent, are one of important essential elements of productive forces realizing Circular Economy and " amphitypy society " construction.
Electroless plating is a Modern Surface Engineering Technology that development in recent years is got up, and its principle of work is in power-source free situation, utilizes reductive agent the reductive action of metal ion to be obtained to the method for alloy layer at the workpiece surface with catalytic activity.The advantages such as electroless plating technology is low, simple to operate with its less investment, cost, coating even compact, porosity is low, profiling is good are widely used in the industrial sectors such as machinery, electronics, mould, metallurgy, petrochemical complex, waterpower, aerospace.The electroless plating industrial output value of the U.S., Japan and the developed countries such as European Union just increases progressively with annual 15% high speed.And the Application in manufacture again of repairing based on inefficacy key components and parts, current electroless plating system and technique have following weak point: 1, the re-workability of plating piece is poor, and there is the risk of bubbling, coming off in coating in reprocessing process; 2, thickness of coating does not increase, in theory, electroless plating is the process of an autocatalysis, the thickness of coating is unrestricted, but owing to having stress large (internal stress, external stress) and the bad problem of bonding force between coating and matrix metal, therefore in coating Thickening Process, easily cause coating performance to worsen and there is no use value; 3, Corrosion Protection, wear resisting property etc. need further to be improved.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, and nano-composite plate and technique being repaired in a kind of surface that is applied to manufacture again providing, is research and the application of the Surface Engineering key common technology based on manufacturing again.Having boundless application prospect, is that current China develops a circular economy and sets up the urgently key common technology of solution of resource-conserving and friendly environment society, concerning economic Sustainable development.By science design and technologic breakthrough to metallic surface electroless plating related products formula, the electroless plating reparation gordian technique product and the process matched therewith that meet again Application in manufacture have been built, meet the demand of remanufacturing industry, will promote energetically again the development of manufacturing engineering.
The present invention includes following steps:
(1) plating pre-treatment, oil removing is clean to workpiece surface, and oil removing can adopt alkaline degreasing spent meal general on market;
(2) pickling, pickle solution concentration of hydrochloric acid is 15% to 20%, and pickling time is 5 to 30min, and pickling temperature is normal temperature, and the addition of described pickling specialist additive in pickle solution is 0.5% to 2%;
(3) washing activation, in washing activation solution, additive amount is 0.1% to 0.2% of water lotion mass percent;
(4) electroless plating reparation, the pH value of plating solution is 4.4-4.9, loading capacity is 1-2 dm
2/ L, plating temperature is 88-92 ℃, sedimentation velocity: 15～20 μ m/ h.
Described chemistry crosses formula and comprises following component: single nickel salt 27g/L; Inferior sodium phosphate 30g/L; Sodium acetate 10g/L; Complexing agent 5ml/L, complexing agent is lactic acid, citric acid, propionic acid, DL-oxysuccinic acid, the mixture of succinic acid; Destressing agent 1-2 ml/L, destressing agent is asccharin, the mixture of butynediol propoxylation compound etc.; Nanometer additive 0.1-1%, nanometer additive is soluble salt and the organometallic compound of Rare Earth Lanthanum, cerium, zirconium etc.
It is thick that described electroless plating repair layer reaches 5 μ m, the index request of free of pinholes.
Described pickling specialist additive is mainly filled a prescription as follows: by urotropine 5% to 10%, potassiumiodide 0.1% to 0.5%, tetrahydroglyoxaline 2% to 5%, thiocarbamide 1% to 2%, tensio-active agent 2% to 5%.
The main formula of described washing additive is as follows: by PEG-200 mass percent 2% to 5%, and Trisodium Citrate mass percent 5% to 10%, Sodium Benzoate 5% to 10%, all the other are water.
Beneficial effect of the present invention is:
(1) repair coating and base material bonding force very good, be similar to metallurgical binding, coating stress is little, and the re-workability of plating piece is good, in reprocessing process coating non-foaming, come off; (2) coating free of pinholes or pin hole are few, and corrosion resistance of coating is good, thickness of coating under the thick condition of 20 μ m, resistance to neutral salt spray test 480 hours; (3) nano combined reparation coating hardness is high, and HV hardness is between 600 to 800; (4) this process application is in manufacturing again, and repairing that product compares with new product can be cost-saving 50%, energy-conservation 60%, and material-saving 70%, has good economic benefit.
Accompanying drawing explanation
Accompanying drawing 1 is the technology of the present invention route schematic diagram.
Embodiment
Below in conjunction with embodiment, the present invention is further detailed explanation.
Embodiment 1
(1) plating pre-treatment, can adopt alkaline degreasing spent meal general on market completely clean to oil removing, and determination methods is that after oil removing washing, workpiece surface is hung water entirely.
(2) pickling, pickle solution concentration of hydrochloric acid is 20%, the addition of pickling specialist additive is 1%, pickling time 15 min, normal temperature pickling, pickling part surface is rustless, and without excessive erosion situation, surface color is metal true qualities.
(3) washing activation, washing activating additive consumption is 0.1%, establishes twice washing, washing time 2min.
(4) electroless plating reparation, plating solution consists of: single nickel salt 27g/L; Inferior sodium phosphate 30g/L; Sodium acetate 10g/L; Complexing agent 5ml/L; Destressing agent 1ml/L; Nanometer additive 0.5%; The pH value of plating solution is adjusted into 4.5, and loading capacity is 1.5 dm
2/ L, plating temperature is 88 ℃.
(5) after washing, at substrate surface, obtain composite Nano and repair coating, coating meets the requirement of workpiece quality and post-treatment.
Embodiment 2
(1) plating pre-treatment, oil removing is clean to workpiece surface, and oil removing can adopt alkaline degreasing spent meal general on market.
(2) pickling, pickle solution concentration of hydrochloric acid is 15% %, pickling time 30min, pickling temperature is normal temperature, the addition of described pickling specialist additive in pickle solution is 2%.
(3) washing activation, in washing activation solution, additive amount is 0.2% of water lotion mass percent, establishes twice washing, washing time 1min.
(4) electroless plating reparation, the pH value of plating solution is 4.4, loading capacity is 1dm
2/ L, plating temperature is 90 ℃, sedimentation velocity: 150 μ m/ h.
Described chemistry crosses formula and comprises following component: single nickel salt 27g/L; Inferior sodium phosphate 30g/L; Sodium acetate 10g/L; Complexing agent 5ml/L; Destressing agent 2 ml/L; Nanometer additive 0.1%, plating temperature is 90 ℃.
It is thick that described electroless plating repair layer reaches 5 μ m, the index request of free of pinholes.
Described pickling specialist additive is mainly filled a prescription as follows: by urotropine 5% %, potassiumiodide 0.1% %, tetrahydroglyoxaline 2 5%, thiocarbamide 1% %, tensio-active agent 2%.
The main formula of described washing additive is as follows: by PEG-200 mass percent 2%, and Trisodium Citrate mass percent 5% to 10%, Sodium Benzoate 5%, all the other are water.
Embodiment 3
(1) plating pre-treatment, oil removing is clean to workpiece surface, and oil removing can adopt alkaline degreasing spent meal general on market.
(2) pickling, pickle solution concentration of hydrochloric acid is 20%, and pickling time is at 30min, and pickling temperature is normal temperature, and the addition of described pickling specialist additive in pickle solution is 0.5%.
(3) washing activation, in washing activation solution, additive amount is 0.1% of water lotion mass percent.
(4) electroless plating reparation, the pH value of plating solution is 4.9, loading capacity is 2 dm
2/ L, plating temperature is 92 ℃, sedimentation velocity: 20 μ m/ h.
Described chemistry crosses formula and comprises following component: single nickel salt 27g/L; Inferior sodium phosphate 30g/L; Sodium acetate 10g/L; Complexing agent 5ml/L, complexing agent is lactic acid, citric acid, propionic acid, DL-oxysuccinic acid, the mixture of succinic acid; Destressing agent 2 ml/L, destressing agent is asccharin, the mixture of butynediol propoxylation compound etc.; Nanometer additive 1%, nanometer additive is soluble salt and the organometallic compound of Rare Earth Lanthanum, cerium, zirconium etc.
It is thick that described electroless plating repair layer reaches 5 μ m, the index request of free of pinholes.
Described pickling specialist additive is mainly filled a prescription as follows: by urotropine 10%, potassiumiodide 0.5%, tetrahydroglyoxaline 5%, thiocarbamide 2%, tensio-active agent 5%.
The main formula of described washing additive is as follows: by PEG-200 mass percent 5%, and Trisodium Citrate mass percent 10%, Sodium Benzoate 10%, all the other are water.
Claims (5)
1. nano-composite plate and a technique thereof are repaired in the surface that is applied to manufacture again, it is characterized in that, comprise the following steps:
(1) plating pre-treatment, oil removing is clean to workpiece surface, and oil removing can adopt alkaline degreasing spent meal general on market;
(2) pickling, pickle solution concentration of hydrochloric acid is 15% to 20%, and pickling time is 5 to 30min, and pickling temperature is normal temperature, and the addition of described pickling specialist additive in pickle solution is 0.5% to 2%;
(3) washing activation, in washing activation solution, additive amount is 0.1% to 0.2% of water lotion mass percent;
(4) electroless plating reparation, the pH value of plating solution is 4.4-4.9, loading capacity is 1-2 dm
2/ L, plating temperature is 88-92 ℃, sedimentation velocity: 15～20 μ m/ h.
2. nano composite plating layer process is repaired on a kind of surface that is applied to manufacture again according to claim 1, it is characterized in that, described chemistry crosses formula and comprises following component:
Single nickel salt 27g/L;
Inferior sodium phosphate 30g/L;
Sodium acetate 10g/L;
Complexing agent 5ml/L, complexing agent is lactic acid, citric acid, propionic acid, DL-oxysuccinic acid, the mixture of succinic acid;
Destressing agent 1-2 ml/L, destressing agent is asccharin, the mixture of butynediol propoxylation compound etc.;
Nanometer additive 0.1-1%, nanometer additive is soluble salt and the organometallic compound of Rare Earth Lanthanum, cerium, zirconium etc.
3. nano composite plating layer process is repaired on a kind of surface that is applied to manufacture again according to claim 1 and 2, it is characterized in that, described electroless plating repair layer and base material bonding force are good, and solidity to corrosion is good, and hardness is high, and workability is good, is applicable to manufacture process requirement again.
4. nano composite plating layer process is repaired on a kind of surface that is applied to manufacture again according to claim 1, it is characterized in that described pickling specialist additive mainly fills a prescription as follows: by urotropine 5% to 10%, potassiumiodide 0.1% to 0.5%, tetrahydroglyoxaline 2% to 5%, thiocarbamide 1% to 2%, tensio-active agent 2% to 5%.
5. nano composite plating layer process is repaired on a kind of surface that is applied to manufacture again according to claim 1, it is characterized in that, the main formula of described washing additive is as follows: by PEG-200 mass percent 2% to 5%, Trisodium Citrate mass percent 5% to 10%, Sodium Benzoate 5% to 10%, all the other are water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410176899.2A CN103993298B (en) | 2014-04-29 | 2014-04-29 | Nano composite plating layer process is repaired on a kind of surface of manufacturing again that is applied to |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410176899.2A CN103993298B (en) | 2014-04-29 | 2014-04-29 | Nano composite plating layer process is repaired on a kind of surface of manufacturing again that is applied to |
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| CN103993298A true CN103993298A (en) | 2014-08-20 |
| CN103993298B CN103993298B (en) | 2016-05-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256318A (en) * | 2015-10-21 | 2016-01-20 | 深圳市广昌达石油添加剂有限公司 | Novel imidazoline compound corrosion inhibitor and preparation method thereof |
| CN111850534A (en) * | 2020-06-16 | 2020-10-30 | 中国石油天然气集团有限公司 | Martensite stainless steel oil pipe low-stress pre-passivation film and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1047115A (en) * | 1989-05-11 | 1990-11-21 | 郑小达 | Remove the pickling agent of oxide layer on stainless steel surface |
| CN1485460A (en) * | 2003-08-12 | 2004-03-31 | 西北轴承股份有限公司 | Method for restoring dimension discrepancy of bearing utilizing chemical plating nickel |
| CN101457353A (en) * | 2009-01-05 | 2009-06-17 | 合肥工业大学 | Chemical depositing Ni-P-nano titanic oxide photocatalysis composite coating plating solution and plating method thereof |
| CN101643930A (en) * | 2009-09-07 | 2010-02-10 | 河南科技大学 | Compound plating bath for producing high-hardness wear-reduction wear-resistance nanometer compound claddings and electroplating method |
-
2014
- 2014-04-29 CN CN201410176899.2A patent/CN103993298B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1047115A (en) * | 1989-05-11 | 1990-11-21 | 郑小达 | Remove the pickling agent of oxide layer on stainless steel surface |
| CN1485460A (en) * | 2003-08-12 | 2004-03-31 | 西北轴承股份有限公司 | Method for restoring dimension discrepancy of bearing utilizing chemical plating nickel |
| CN101457353A (en) * | 2009-01-05 | 2009-06-17 | 合肥工业大学 | Chemical depositing Ni-P-nano titanic oxide photocatalysis composite coating plating solution and plating method thereof |
| CN101643930A (en) * | 2009-09-07 | 2010-02-10 | 河南科技大学 | Compound plating bath for producing high-hardness wear-reduction wear-resistance nanometer compound claddings and electroplating method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105256318A (en) * | 2015-10-21 | 2016-01-20 | 深圳市广昌达石油添加剂有限公司 | Novel imidazoline compound corrosion inhibitor and preparation method thereof |
| WO2017067094A1 (en) * | 2015-10-21 | 2017-04-27 | 深圳市广昌达石油添加剂有限公司 | Iimidazoline compound corrosion inhibitor and preparation method thereof |
| CN111850534A (en) * | 2020-06-16 | 2020-10-30 | 中国石油天然气集团有限公司 | Martensite stainless steel oil pipe low-stress pre-passivation film and preparation method thereof |
| CN111850534B (en) * | 2020-06-16 | 2022-03-01 | 中国石油天然气集团有限公司 | Martensite stainless steel oil pipe low-stress pre-passivation film and preparation method thereof |
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| CN103993298B (en) | 2016-05-04 |
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