CN103882498A - Method for performing surface microarc oxidation treatment on nickel-titanium alloy by constant current process - Google Patents
Method for performing surface microarc oxidation treatment on nickel-titanium alloy by constant current process Download PDFInfo
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- CN103882498A CN103882498A CN201410139801.6A CN201410139801A CN103882498A CN 103882498 A CN103882498 A CN 103882498A CN 201410139801 A CN201410139801 A CN 201410139801A CN 103882498 A CN103882498 A CN 103882498A
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Abstract
The invention relates to a method for performing surface microarc oxidation treatment on a nickel-titanium alloy by a constant current process. An NiTi alloy subjected to deoiling pretreatment and a counter electrode are put into an electrolyte to perform microarc oxidation, wherein the negative output end of the power supply is connected with the counter electrode, and the positive output end of the power supply is connected with a clamp connected with the NiTi alloy; the microarc oxidation power supply adopts a constant current system, and the current density is 1-10 A/cm<2>; and in the microarc oxidation process, the electrolyte temperature is not higher than 60 DEG C, and the microarc oxidation treatment time is 10-60 minutes. The nickel-titanium alloy surface is subjected to microarc oxidation by using the constant current source; Na2SiO3 is used as the main additive of the microarc oxidation solution; NiTi, Al or alloy thereof, or Ti or alloy thereof is used as the material of the connecting clamp; and the microarc oxidation treatment can be performed to obtain a uniform-shape favorable-property coarse porous oxide layer on the NiTi alloy surface.
Description
Technical field
The present invention relates to the surface treatment of Ni-Ti alloy, particularly a kind of method that adopts constant flow method Ni-Ti alloy to be carried out to surface by micro-arc oxidation processing.
Background technology
NiTi (NiTi) alloy is owing to having super-elasticity, shape memory effect and good biocompatibility, be considered to a kind of extremely promising bio-medical material, the orthopaedics being widely used in whole abnormal silk, the surgery in dentistry is repaired apparatus and angiocarpy bracket etc.In NiTi alloy, generally contain the nickel of 50wt% left and right.In the time that NiTi alloy uses for a long time in human body, may exist Ni and be discharged into the risk in human body with the form of Ni ion under humoral effect.Ni ion has obvious toxicity and carcinogenicity, and adjacent tissue and organ are had to potential infringement, referring to: 1) Wever, D. J.; Veldhuizen, A. G.; De Vries, J.; Busscher, H. J.; Uges, D. R. A.; Van Horn, J. R., Electrochemical and surface characterization of a nickel-titanium alloy.
biomaterials 1998, 19(7-9), 761-769; 2) Morgan, N. B., Medical shape memory alloy applications-the market and its products.
materials Science and Engineering a-Structural Materials Properties Microstructure and Processing 2004, 378(1-2), 16-23; 3) Shabalovskaya, S. A., Surface, corrosion and biocompatibility aspects of Nitinol as an implant material.
bio-Medical Materials and Engineering 2002, 12(11), 69-109; 4) Thierry, B.; Winnik, F. M.; Merhi, Y.; Silver, J.; Tabrizian, M., Bioactive coatings of endovascular stents based on polyelectrolyte multilayers.
biomacromolecules 2003, 4(6), 1564-1571; 5) Cinca, N.; Isalgue, A.; Fernandez, J.; Guilemany, J. M., Structure characterization and wear performance of NiTi thermal sprayed coatings.
smart Materials & Structures 2010, 19(8).
The release of Ni ion, from NiTi alloy surface, therefore must be carried out surface treatment to NiTi alloy, forms the sealer coat of one deck inertia at NiTi alloy surface, suppresses thereby reach the object that Ni ion discharges.Bear the applied environment of load for needs, the protective layer of NiTi alloy surface also needs to have good solidity to corrosion and good wear resistance.
At present there are thermooxidizing, ion implantation, hydrothermal method etc. for the technology of NiTi alloy surface modifying, referring to: 6) Zhao, H.; Tian, C.-C.; Lin, G.-Q.; Ge, Z.-D.; Qi, M.; Yang, D.-Z., Formation of Porous (Ca, P)-doped TiO 2/Dense Ti Double Coatings on NiTi Alloy.
materials Science Forum 2011, 675-677, 333-6.The large multipotency of these methods improves the solidity to corrosion of NiTi alloy, slows down the release of Ni.But the wear resistance of coating is difficult to synchronously improve.The bonding force of protective coating and matrix also needs to improve in addition.Differential arc oxidation (Micro-arc oxidation, MAO, or plasma electrolytic oxidation, PEO) is a kind of electrochemical surface treatment process, referring to: 7) Liu, F.; Xu, J. L.; Yu, D. Z.; Wang, F. P.; Zhao, L. C., Wear resistance of micro-arc oxidation coatings on biomedical NiTi alloy.
journal of Alloys and Compounds 2009, 487(1-2), 391-394; 8) Abbasi, S.; Golestani-Fard, F.; Mirhosseini, S. M. M.; Ziaee, A.; Mehrjoo, M., Effect of electrolyte concentration on microstructure and properties of micro arc oxidized hydroxyapatite/titania nanostructured composite.
materials science & engineering. C, Materials for biological applications 2013, 33(5), 2555-61; 9) (a) Arslan, E.; Totik, Y.; Demirci, E. E.; Efeoglu, I., Wear and adhesion resistance of duplex coatings deposited on Ti6Al4V alloy using MAO and CFUBMS.
surface & Coatings Technology 2013, 214, 1-7; (b) Chen, M. A.; Xiao, C.; Li, J. M., Improvement of corrosion performance of MAO coated AZ31 magnesium alloy by polypropylene post-treatment.
transactions of the Institute of Metal Finishing 2013, 91(2), 80-87; (c) Chen, X.; Yan, J.; Gao, F.; Wei, J.; Xu, Z.; Fan, G., Interaction behaviors at the interface between liquid Al-Si and solid Ti-6A1-4V in ultrasonic-assisted brazing in air.
ultrasonics Sonochemistry 2013, 20(1), 144-154; 10) Durdu, S.; Bayramoglu, S.; Demirtas, A.; Usta, M.; Ucisik, A. H., Characterization of AZ31 Mg Alloy coated by plasma electrolytic oxidation.
vacuum 2013, 88, 130-133; 11) Ma, Y.; Gong, C.; Wang, X.; Tian, X.; Yang, S., Inhomogeneity of Micro-arc Oxidation of Irregularly-Shaped Aluminum Blind Pipe.
rare Metal Materials and Engineering 2012, 41, 71-75.Profit can obtain oxide coating in metallic surface in this way.Its operating process is similar to anodic oxidation, and just its operating voltage is higher, when differential arc oxidation, produces spark discharge at the material surface that is immersed in electrolytic solution, finally makes metal surface modification form oxide skin.Differential arc oxidation is generally applied to the surface modification of Al, Ti, Mg and alloy thereof at present, obtains high rigidity oxide membranous layer in metallic surface, has greatly improved abrasion-resistant metal damage, corrosion-resistant.The process of differential arc oxidation is that matrix metal is changed into oxide compound.Because oxide skin is matrix metal chemical conversion layer instead of is coated on matrix metal, oxide skin and matrix that differential arc oxidation obtains have good bonding force.After carrying out differential arc oxidation processing for Ti alloy, the solidity to corrosion of Ti alloy improves greatly.The porous surface characteristic that differential arc oxidation obtains is conducive to cell attachment.
Adopt differential arc oxidization technique the primary position of NiTi alloy surface grow layer of ceramic film layer, effectively improve the corrosion-resistant and wear resisting property of embedded material, and surface irregularity porous is conducive to cell attachment, rise in value and grow into, improve the biocompatibility of implant.Increasing gradually for the research of the differential arc oxidation of NiTi in recent years, is generally to adopt NaAlO
2solution carries out differential arc oxidation processing, referring to: 12) Hairui, W.; Fu, L.; Yanpeng, Z.; Fuping, W., Structure, corrosion resistance and apatite-forming ability of NiTi alloy treated by micro-arc oxidation in concentrated H 2SO 4.
surface & Coatings Technology 2012, 206(19-20), 4054-9, by matrix surface depositing Al
2o
3obtain insulation barrier, thereby bring out differential arc oxidation.
To NiTi alloy differential arc oxidation treatment method, be generally to adopt high voltage constant voltage source to safeguard oxidation operation from existing, high voltage constant voltage source power supply cost is higher, and the initial input of equipment is larger.In addition, be generally to adopt NaAlO at present
2solution carries out differential arc oxidation processing.This solution under DC Electric Field, thereby cause differential of the arc process at anode surface depositing insulating layer.Because settled layer is not from the spontaneous formation of NiTi alloy surface, thereby cause the bonding force of differential arc oxidation layer and matrix to weaken.The fixture of NiTi is not reported for the impact of differential arc oxidation process in addition.
Summary of the invention
The object of the invention is for above-mentioned existing problems, a kind of method that adopts constant flow method Ni-Ti alloy to be carried out to surface by micro-arc oxidation processing is provided, the method adopts Na
2siO
3as the main additive of differential arc oxidation electrolytic solution, the clamp material of NiTi differential arc oxidation is optimized.
Technical scheme of the present invention:
A kind of method that adopts constant flow method Ni-Ti alloy to be carried out to surface by micro-arc oxidation processing, will be through deoiling pretreated NiTi alloy and electrode is put into electrolytic solution and carry out differential arc oxidation, the negative sense output terminal of power supply connects electrode, power supply forward output terminal jockey connects NiTi alloy, mao power source adopts constant current standard, and current density is 1-10A/cm
2, when differential arc oxidation, control electrolyte temperature not higher than 60 DEG C, the differential arc oxidation treatment time is 10-60min.
Described is stainless steel substrates, graphite rod or graphite flake to electrode.
The main additive of described electrolytic solution is Na
2siO
3, supplementary additive is the combination of one or more arbitrary proportions in lime acetate, inferior sodium phosphate and sodium metaaluminate, electrolyte solvent is deionized water, main additive Na in electrolytic solution
2siO
3concentration be 5-60g/L, the concentration of auxiliary additive is 0-10g/L.
The material of described jockey is sheet material or the silk material of NiTi, Al and alloy or Ti and alloy thereof.
Advantage of the present invention is: the method adopts constant current source to carry out differential arc oxidation processing to Ni-Ti alloy surface, adopts Na
2siO
3as the main additive of differential arc oxidation liquid, adopt NiTi, Al and alloy thereof or Ti and alloy thereof as clamp material, by differential arc oxidation processing can NiTi alloy surface obtain pattern evenly, rough porous, well behaved oxide skin.
Brief description of the drawings
Accompanying drawing is the sample surface morphology figure of differential arc oxidation 1h.
Embodiment
Embodiment:
A method that adopts constant flow method Ni-Ti alloy to be carried out to surface by micro-arc oxidation processing, by the pre-treatment of NiTi alloy surface,, through the processing of deoiling, after sand papering, ultrasonic cleaning is clean; To put into electrolytic solution to electrode through pretreated NiTi alloy and stainless steel substrates and carry out differential arc oxidation, electrolytic solution is made up of water glass and deionized water, the concentration of water glass is 28g/L, the negative sense output terminal of power supply connects electrode, power supply forward output terminal jockey connects NiTi alloy, jockey is aluminium wire, and mao power source adopts constant current standard, and current density is 5 A/cm
2, when differential arc oxidation, controlling electrolyte temperature is 50 DEG C, the differential arc oxidation treatment time is 20min.
Accompanying drawing is the sample surface morphology figure of differential arc oxidation 1h, in figure, shows: sample surfaces is hole shape tissue, the oxide compound that differential arc oxidation layer is Ti.Detection shows: hardness ratio former NiTi alloy in differential arc oxidation rear surface exceeds more than 2 times.
Claims (4)
1. a method that adopts constant flow method Ni-Ti alloy to be carried out to surface by micro-arc oxidation processing, it is characterized in that: will be through deoiling pretreated NiTi alloy and electrode is put into electrolytic solution and carry out differential arc oxidation, the negative sense output terminal of power supply connects electrode, power supply forward output terminal jockey connects NiTi alloy, mao power source adopts constant current standard, and current density is 1-10A/cm
2, when differential arc oxidation, control electrolyte temperature not higher than 60 DEG C, the differential arc oxidation treatment time is 10-60min.
2. adopt according to claim 1 constant flow method Ni-Ti alloy to be carried out to the method for surface by micro-arc oxidation processing, it is characterized in that: described is stainless steel substrates, graphite rod or graphite flake to electrode.
3. adopt according to claim 1 constant flow method Ni-Ti alloy to be carried out to the method for surface by micro-arc oxidation processing, it is characterized in that: the main additive of described electrolytic solution is Na
2siO
3, supplementary additive is the combination of one or more arbitrary proportions in lime acetate, inferior sodium phosphate and sodium metaaluminate, electrolyte solvent is deionized water, main additive Na in electrolytic solution
2siO
3concentration be 5-60g/L, the concentration of auxiliary additive is 0-10g/L.
4. adopt according to claim 1 constant flow method Ni-Ti alloy to be carried out to the method for surface by micro-arc oxidation processing, it is characterized in that: the material of described jockey is sheet material or the silk material of NiTi, Al and alloy or Ti and alloy thereof.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110484956A (en) * | 2019-08-13 | 2019-11-22 | 洛阳双瑞精铸钛业有限公司 | A kind of preparation method of titanium alloy drilling well workpiece high-wearing feature differential arc oxidation layer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02277752A (en) * | 1986-09-26 | 1990-11-14 | Furukawa Electric Co Ltd:The | Method for heat treating shape memory-superelastic material |
| CN101063221A (en) * | 2007-05-16 | 2007-10-31 | 哈尔滨工业大学 | Method for differential arc oxidation treatment of Nickel-titanium alloy for medical purpose |
| CN101294296A (en) * | 2008-06-20 | 2008-10-29 | 镇江忆诺唯记忆合金有限公司 | Method for generating TiO2 oxide film in situ on NiTi alloy surface with differential arc oxidization technique |
| CN101311327A (en) * | 2008-02-20 | 2008-11-26 | 暨南大学 | Biological active titanium-based surface composite material and method for preparing same |
| CN203021670U (en) * | 2012-12-18 | 2013-06-26 | 淮阴工学院 | Multi-functional clamp for micro-arc oxidation treatment of NiTi shape memory alloy |
-
2014
- 2014-04-09 CN CN201410139801.6A patent/CN103882498A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02277752A (en) * | 1986-09-26 | 1990-11-14 | Furukawa Electric Co Ltd:The | Method for heat treating shape memory-superelastic material |
| CN101063221A (en) * | 2007-05-16 | 2007-10-31 | 哈尔滨工业大学 | Method for differential arc oxidation treatment of Nickel-titanium alloy for medical purpose |
| CN101311327A (en) * | 2008-02-20 | 2008-11-26 | 暨南大学 | Biological active titanium-based surface composite material and method for preparing same |
| CN101294296A (en) * | 2008-06-20 | 2008-10-29 | 镇江忆诺唯记忆合金有限公司 | Method for generating TiO2 oxide film in situ on NiTi alloy surface with differential arc oxidization technique |
| CN203021670U (en) * | 2012-12-18 | 2013-06-26 | 淮阴工学院 | Multi-functional clamp for micro-arc oxidation treatment of NiTi shape memory alloy |
Non-Patent Citations (5)
| Title |
|---|
| FU LIU 等，: ""Structure and tribological properties of micro-arc oxidation coatings for reduction of Ni2+ ion releaseon biomedical NiTi alloy"", 《JOURNAL OF THE CERAMIC SOCIETY OF JAPAN》, vol. 118, 31 May 2010 (2010-05-31), pages 357 - 3 * |
| 吴小源 等，: "《铝合金型材表面处理技术》", 30 April 2009 * |
| 姜训勇，: ""NiTi合金微弧氧化的初步研究"", 《功能材料》, vol. 35, no. 1, 31 December 2004 (2004-12-31), pages 2355 - 2 * |
| 徐吉林 等，: ""医用镍钛合金表面微弧氧化膜层的显微结构及耐蚀性"", 《电镀与涂饰》, vol. 30, no. 12, 15 December 2011 (2011-12-15), pages 41 - 44 * |
| 陈柳珠 等,: ""钛表面恒流微弧氧化及其能量规律"", 《稀有金属材料与工程》, vol. 37, no. 4, 15 April 2008 (2008-04-15) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110484956A (en) * | 2019-08-13 | 2019-11-22 | 洛阳双瑞精铸钛业有限公司 | A kind of preparation method of titanium alloy drilling well workpiece high-wearing feature differential arc oxidation layer |
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Application publication date: 20140625 |