CN101021014A - Electroforming process for making part of nanometer composite material - Google Patents
Electroforming process for making part of nanometer composite material Download PDFInfo
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- CN101021014A CN101021014A CNA2006101616976A CN200610161697A CN101021014A CN 101021014 A CN101021014 A CN 101021014A CN A2006101616976 A CNA2006101616976 A CN A2006101616976A CN 200610161697 A CN200610161697 A CN 200610161697A CN 101021014 A CN101021014 A CN 101021014A
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Abstract
The present invention relates to electroforming process for making part of nanometer composite material, and belongs to the field of electroforming manufacture technology. During the electroforming process, pulse ultrasonic vibration and impact is adopted to reduce agglomeration of nanometer particles in the electroforming solution, so as to raise the physical and mechanical performance of the electroformed layer. The present invention makes it possible to obtain part of nanometer composite material with high physical and mechanical performance.
Description
Technical field
The electroforming process for making of part of nanometer composite material of the present invention belongs to electroforming and makes the field.
Background technology
Nano science is the main research focus of World Science.Nano material is the important component part of nano science, has been subjected to numerous research units and has produced favor partly, has dropped into the research and development that numerous research funds are carried out nano material and preparation technology.Compare with the monometallic nano material, the mechanical property of nano composite material is better, thereby has been subjected to more attention.Wherein a kind of of nano composite material is metal-base nanometer composite material, and its excellent performance has shown good application prospects in engineering.
Electrochemical deposition technique is an important technology of making part of nanometer composite material/coating, successfully prepared multiple part of nanometer composite material/coating, it makes principle is to add nanoparticle in the common electrical deposit solution, and settled layer is by atoms metal and the molecular composite sedimentary layer of nanoparticle during deposition.Nano particle is introduced in the metal plating and given the physics of metal plating with the nano particle uniqueness and the nano combined electro-deposition techniques of chemical property, having opened up the new way of preparation nano composite material, is to have one of research direction of vigor in the nano materials research field.It shows that not only the nano composite material that is prepared by this technology is because the wherein existence of nano particle wild phase, all demonstrate its particular performances at aspects such as hardness, wear resistant friction reducing, internal stress, solidity to corrosion, thermostability, electrocatalysis characteristic and photocatalysis performances, therefore in fields such as machinery, chemical industry, space flight and aviation, automobile, electronics and textile industries extremely wide application prospect is arranged, be embodied in also simultaneously that composite electrodeposition technology tool service temperature is low, less investment, settled layer form advantages such as variation and saving material.
The good performance of nano-composite plate is based upon on the nano particle uniform distribution basis.But nano particle is usually reunited in electroforming solution, normal mechanical stirring, ultrasonic vibration or both the compound alr modes of adopting in the practice, and the method that perhaps adds dispersion agent is come the dispersing nanometer particle.Mechanical stirring is difficult to effective dispersing nanometer particle; Ultrasonic agitation has certain dispersion effect, but in case stop ultrasonic vibration, nano particle is just reunited rapidly, and if in the electroforming process the long-time ultrasonic agitation of using, then can make solution temperature too high, influence the quality of settled layer.In addition, make the ultrasonic vibration frequency not high at present, generally at tens K, the cavatition that ultrasonic vibration produces is enough not strong, is difficult to effectively suppress the appearance of big nanoparticle agglomerates in the electroforming solution; Adding dispersion agent in casting liquid can be in the reunion that to a certain degree suppresses nano particle, but dispersion agent constantly consumes in the electroforming process, and its consumption is difficult to calculate, and dispersion agent can be compound to and influences cast layer quality in the cast layer.The reunion how well to solve nano particle in the composite electrodeposition process has become the bottleneck that this technology further develops.
Summary of the invention
The object of the present invention is to provide a kind of electroforming process for making that obtains the part of nanometer composite material of high physical and mechanical properties.
A kind of electroforming process for making of part of nanometer composite material is characterized in that may further comprise the steps:
(1), nanoparticle is put into electroforming solution, stir and ultrasonic vibration is impacted, to obtain stable electroforming solution;
(2), electroforming negative electrode and anode are put into electroforming solution, the electroforming power cathode links to each other with negative electrode, anodally links to each other with anode, carries out electroforming and processes;
(3), in the electroforming process, utilize million grades of ultrasonic vibrations of intermittently used to make that the nanoparticle group in the electroforming solution is constantly broken, and million grades of ultransonic vibrational frequencies are greater than 1mHz, and the working hour is 0.5-2 minute, and the intermittent time is 5 minutes-8 minutes.
Owing to used million grades of ultrasonic vibration sources in the electroforming process, its high frequency and high-energy can smash the big nanoparticle agglomerates in the electroforming solution effectively, but simultaneously, the energy of release makes the electroforming solution temperature raise.Therefore, the vibration of employing pulsating ultrasound, promptly can obtain reunite the greatly electroforming solution of nanoparticle of few nothing, the temperature that also can guarantee electroforming solution fluctuates within the acceptable range, can normally carry out to guarantee electroforming, big nanoparticle agglomerates can not occur in the electroformed layer yet, thereby improve the electroformed layer physical and mechanical properties.
Description of drawings
Fig. 1 is the auxiliary electroforming composite material parts system schematic of ultrasonic vibration.
Label title among Fig. 1: 1, million grades of ultrasonic vibration sources, 2, electroforming solution, 3, nanoparticle, 4, sedimentation tank, 5, temp probe, 6, temperature regulator, 7, heating tube, 8, anode, 9, power supply.10, negative electrode.
Embodiment
Fig. 1 is the auxiliary electroforming composite material parts system schematic of ultrasonic vibration.This system is by 1, million grade of ultrasonic vibration source, and 2, electroforming solution, 3, nanoparticle, 4, sedimentation tank, 5, temp probe, 6, temperature regulator, 7, heating tube, 8, anode, 9, power supply.10, negative electrode is formed.Be characterized in that million grades of ultrasonic vibration sources 1 periodically open and disconnect, after open in million grades of ultrasonic vibration sources, its bump that high frequency and high-energy caused and cavatition are smashed nanoparticle agglomerates big in the electroforming solution rapidly, and simultaneously, the energy of release makes the electroforming solution temperature raise.Disconnect million grades of ultrasonic vibration sources 1, the nano particle in the electroforming solution engenders agglomeration again, and simultaneously, the temperature of electroforming solution also descends gradually.Periodically carry out this process, thereby guarantee big nanoparticle agglomerates in the electroformed layer.
Be example with deposit N i-A1203 nano-composite plate below:
The electroforming solution composition is as follows: nickel sulfamic acid: 400g/L; Nickelous chloride: 15g/L; Boric acid: 30g/L; Nanometer A1203 (50 nanometer): 30g/L; Tensio-active agent: an amount of.Select suitable alr mode (as mechanical stirring, ultrasonic vibration or the compound stirring of both bonded) to stir after 1 hour, negative electrode 5, anode 8 are put into electroforming solution, connect power supply 7 beginning galvanic deposit.Proceed in the electrodeposition process to stir, discontinuous operation is carried out in million grades of ultrasonic vibrations simultaneously, and the working hour is 1 minute, and the intermittent time is 6 minutes.Million grades of ultransonic vibrational frequencies are 5mHz, at this moment its bump that high frequency and high-energy caused and cavatition are smashed nanoparticle agglomerates big in the electroforming solution rapidly, the macrobead yardstick is about 150 nanometers, much smaller than 800 nanometers that do not have million grades of ultrasonic vibrations of intermittently used in the electroforming solution.The evidence general work time is 0.5-2 minute, and the intermittent time is 5 minutes-8 minutes.
Whole electroforming process is by well heater 7, the temperature of the temperature controlling system control electroforming solution 2 that temperature controller 6, temperature sensor 5 are formed.
Claims (1)
1, a kind of electroforming process for making of part of nanometer composite material is characterized in that may further comprise the steps:
(1), nanoparticle is put into electroforming solution, stir and ultrasonic vibration is impacted, to obtain stable electroforming solution;
(2), electroforming negative electrode and anode are put into electroforming solution, the electroforming power cathode links to each other with negative electrode, anodally links to each other with anode, carries out electroforming and processes;
(3), in the electroforming process, utilize million grades of ultrasonic vibrations of intermittently used to make that the nanoparticle group in the electroforming solution is constantly broken, and million grades of ultransonic vibrational frequencies are greater than 1mHz, and the working hour is 0.5-2 minute, and the intermittent time is 5 minutes-8 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101616976A CN101021014A (en) | 2006-12-31 | 2006-12-31 | Electroforming process for making part of nanometer composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101616976A CN101021014A (en) | 2006-12-31 | 2006-12-31 | Electroforming process for making part of nanometer composite material |
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| CN101021014A true CN101021014A (en) | 2007-08-22 |
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| CNA2006101616976A Pending CN101021014A (en) | 2006-12-31 | 2006-12-31 | Electroforming process for making part of nanometer composite material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102409365A (en) * | 2011-10-27 | 2012-04-11 | 浙江大学 | Metal/metal nanoparticle composite material and preparation method thereof |
| CN103056463A (en) * | 2012-12-17 | 2013-04-24 | 南京航空航天大学 | Manufacturing method for carbon nano tube tool electrode for micro electrochemical machining and multi-functional working tanks |
| CN112695349A (en) * | 2020-11-27 | 2021-04-23 | 南京航空航天大学 | High-power low-frequency intermittent ultrasonic auxiliary electroforming system and method |
-
2006
- 2006-12-31 CN CNA2006101616976A patent/CN101021014A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102409365A (en) * | 2011-10-27 | 2012-04-11 | 浙江大学 | Metal/metal nanoparticle composite material and preparation method thereof |
| CN102409365B (en) * | 2011-10-27 | 2014-02-19 | 浙江大学 | Metal/metal nanoparticle composite material and preparation method thereof |
| CN103056463A (en) * | 2012-12-17 | 2013-04-24 | 南京航空航天大学 | Manufacturing method for carbon nano tube tool electrode for micro electrochemical machining and multi-functional working tanks |
| CN112695349A (en) * | 2020-11-27 | 2021-04-23 | 南京航空航天大学 | High-power low-frequency intermittent ultrasonic auxiliary electroforming system and method |
| CN112695349B (en) * | 2020-11-27 | 2022-04-22 | 南京航空航天大学 | High-power low-frequency intermittent ultrasonic auxiliary electroforming system and method |
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Open date: 20070822 |