CN1936098B - Plasma electrolytic oxidation automatic control device and method - Google Patents
Plasma electrolytic oxidation automatic control device and method Download PDFInfo
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- CN1936098B CN1936098B CN200610112905A CN200610112905A CN1936098B CN 1936098 B CN1936098 B CN 1936098B CN 200610112905 A CN200610112905 A CN 200610112905A CN 200610112905 A CN200610112905 A CN 200610112905A CN 1936098 B CN1936098 B CN 1936098B
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000007745 plasma electrolytic oxidation reaction Methods 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000010406 cathode material Substances 0.000 claims abstract description 7
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000008151 electrolyte solution Substances 0.000 claims description 7
- 239000000110 cooling liquid Substances 0.000 claims description 6
- 239000012809 cooling fluid Substances 0.000 claims description 5
- 239000000243 solution Substances 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000010405 anode material Substances 0.000 claims description 2
- 238000005524 ceramic coating Methods 0.000 abstract description 8
- 239000007769 metal material Substances 0.000 abstract description 3
- 238000003079 width control Methods 0.000 abstract 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000002203 pretreatment Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000009123 feedback regulation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
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Abstract
本发明公开了一种等离子体电解氧化自动控制装置及方法，首先将待处理材料作为阳极放入硅酸盐溶液，并将待处理材料与阴极材料分别通过导线连接交流电源的两级，在处理过程中，设于导线上的电流传感器、电压传感器将采集到的电流、电压信号经信号采集控制器输入计算机进行处理，计算机根据处理结果发出控制指令经信号采集控制器传输到电路脉宽控制装置，通过电路脉宽控制装置调节电路中的正向和负向脉宽，从而保证试样上的电流密度恒定。该装置及方法使金属材料表面所制备陶瓷涂层的性能稳定，并降低操作人员的工作强度。
The invention discloses a plasma electrolytic oxidation automatic control device and method. First, the material to be treated is put into a silicate solution as an anode, and the material to be treated and the cathode material are respectively connected to two stages of an AC power supply through wires. During the process, the current sensor and voltage sensor installed on the wire will input the collected current and voltage signals into the computer through the signal acquisition controller for processing, and the computer will issue control instructions according to the processing results and transmit them to the circuit pulse width control device through the signal acquisition controller. , adjust the positive and negative pulse width in the circuit through the circuit pulse width control device, so as to ensure the constant current density on the sample. The device and method stabilize the performance of the ceramic coating prepared on the surface of the metal material and reduce the work intensity of operators.
Description
Technical field
The invention belongs to light metal surface and prepare the technical field of ceramic coating, particularly a kind of automatic control system of plasma electrolytic oxidation technological process.
Background technology
(Plasma Electrolytic Oxidation PEO) is a kind of emerging technology of utilizing the plasma electrolysis to carry out the material surface processing to plasma electrolytic oxidation.Its groundwork process is: pending material is immersed in certain electrolytic solution as anode, other has a metal electrode as corresponding negative electrode, between the two poles of the earth, apply voltage, when voltage is increased to a certain degree, electrode surface generation electric discharge phenomena, be attended by arc light simultaneously and produce, this moment electrode surface and near generation complexity thereof physics, chemical transformation, thereby generate ceramic coating at the anode specimen surface.Utilize the plasma electrolytic oxidation technology, can form in conjunction with firm ceramic layer at light metal such as aluminium, titanium and alloy surface thereof, changed the material surface mechanical characteristic, its friction and wear behavior also changes, and has significantly strengthened the resistance to wearing of body material, performance such as corrosion-resistant, high temperature resistant.
Along with the carrying out that PEO handles, the dielectric layer of discharge electrode surface insulation is constantly grown, and makes impedance discharge change; The composition of electrolytic solution also can change along with the carrying out of handling, thereby the electrolytic solution impedance is changed.In order to keep the stability of processing parameter, need be to the continuous feedback regulation of power-supply system, traditional regulative mode is a manual shift, working strength is big, and can not guarantee the accuracy of processing parameter, and then have influence on the performance of the prepared ceramic coating of metal material surface.
Summary of the invention
At the problems referred to above, the object of the present invention is to provide a kind of accurately control process parameters, alleviate labor intensity of operating staff and can gather the plasma electrolytic oxidation autocontrol method and the device of the waveform signal of transient current and voltage in the PEO process.
For achieving the above object, technical solution of the present invention is:
A kind of plasma electrolytic oxidation automatic control device, comprise the pending material that immerses in the electrolytic solution, described pending material is connected the two poles of the earth of AC power respectively by lead as anode and cathode material, described lead is provided with voltage sensor, current sensor, the output terminal of this voltage sensor, current sensor inserts signal acquisition controller, this signal acquisition controller connects computer and circuit pulse-width controlled device respectively, and this circuit pulse-width controlled device is located on the described lead.
Further, described circuit pulse-width controlled device comprises two thyristor pulse triggers, and two thyristor pulse triggers respectively connect a thyristor of being located on the described lead, and this two thyristor is in parallel.
Further, described voltage sensor is the Hall voltage transmitter, and current sensor is a Hall current sensor.
Further, described two thyristors are parallel with electric capacity.
Further, described cathode material is an electrolyzer, and this electrolyzer is a hollow groove, is formed for holding the hollow cavity of cooling fluid between the inside and outside wall of hollow groove, and this hollow cavity is provided with cooling liquid inlet and cooling liquid outlet.
A kind of plasma electrolytic oxidation autocontrol method, at first pending material is put into silicate solutions as anode, and pending material and cathode material are connected the two-stage of AC power respectively by lead, in treating processes, be located at the current sensor on the lead, voltage sensor is with the electric current that collects, voltage signal is handled through signal acquisition controller input computer, computer sends steering order according to result and is transferred to circuit pulse-width controlled device through signal acquisition controller, by forward and the negative sense pulsewidth in the circuit pulse-width controlled device regulating circuit, thus the constant current density on the assurance sample.
Further, in described computer processing procedure, at first default working parameter, computer is according to predefined working parameter then, calculate the preset value of the controlled variable of current time, the electric current of computer by collecting, actual average current in the voltage signal counting circuit, magnitude of voltage, preset value contrast with this actual value and controlled variable, if actual value is less than preset value, then described data acquisition controller sends a feedback signal, increases the pulsewidth of electric current, otherwise then reduce the pulsewidth of electric current, if reach the default treatment time, then computer sends the zero setting signal, and treating processes finishes.
Further, described working parameter comprises the frequency of the waveform that variation pattern is preserved of master mode, controlled variable.
Further, described master mode comprises current control mode, voltage mode control and power control mode.
Further, the variation pattern of described controlled variable comprises constant mode, linear increase mode, linearity increases constant again mode earlier.
After adopting aforesaid method and device, because the voltage sensor of being located on the lead is handled the electric current, the voltage signal that collect through signal acquisition controller input computer, computer according to result by the constant current density on the circuit pulse-width controlled appliance ensure sample, therefore guaranteed the accuracy of processing parameter in the treating processes, make the stable performance of the prepared ceramic coating of metal material surface, and reduce operator's working strength.In addition because described electrolyzer is a hollow groove, be formed for holding the hollow cavity of cooling fluid between the inside and outside wall of hollow groove, therefore feed cooling fluid in electrolytic process in hollow cavity, preventing that electrolyzer and electrolyte temperature raise in the electrolytic process influences the carrying out of electrolytic reaction.
Description of drawings
Fig. 1 is the structural representation of signal acquiring system of the present invention;
Fig. 2 is the schema of sequence of control of the present invention;
Fig. 3 is operating parameter setting of the present invention interface;
Fig. 4 is processing parameter setting of the present invention interface;
Fig. 5 is a data logging parameter setting interface of the present invention;
Situation when Fig. 6 is the AutoPED software work.
Embodiment
The technical scheme of plasma electrolytic oxidation automatic control device of the present invention and method is as follows:
The control principle of AutoPED can simply be expressed as " sampling-judgement-feedback control ".Along with the prolongation in PEO treatment time, the thickness of specimen surface ceramic layer constantly increases, thereby the equivalent impedance in the circuit also constantly increases.In order to guarantee the constant current density on the sample, the signals collecting part that need utilize Hall current sensor and voltage sensor to form is gathered electric current and voltage signal in real time, and the signal that collects is sent into computer handle, send steering order by computer, regulate forward and negative sense pulsewidth.
Specify the present invention below in conjunction with embodiment:
Embodiment 1
As shown in Figure 1, at first aluminum alloy specimen 1 is cleaned and the oil removing pre-treatment, then this sample 1 is placed in the electrolytic solution 2 as anode, electrolytic solution 2 is contained in the electrolyzer 3, this electrolyzer 3 is simultaneously as negative electrode, make negative electrode 3, sample 1 connects the two poles of the earth of AC power respectively by lead, described lead is provided with voltage sensor 4, current sensor 5, this voltage sensor 4, the output terminal of current sensor 5 inserts signal acquisition controller 6, this signal acquisition controller 6 connects computer 7 and two thyristor pulse triggers 8 respectively, 9, described voltage sensor 4 is the Hall voltage transmitter, current sensor 5 is a Hall current sensor, thyristor pulse trigger 8 is connected at the thyristor 10 on the described lead, thyristor pulse trigger 9 is connected at the thyristor 11 on the described lead, thyristor 10,11 are parallel with electric capacity 12; Described electrolyzer 3 is a hollow groove, is formed for holding the hollow cavity of cooling fluid between the inside and outside wall of hollow groove, and this hollow cavity is provided with cooling liquid inlet and cooling liquid outlet; Described computer 7 is provided with controlled variable and sets the interface, and the frequency of signals collecting is 60000Hz in the present embodiment, and resolving power is 12Bit, and the frequency of steering order is 10Hz.
Controlled variable is set the interface shown in Fig. 3,4,5, but by this parameter setting interface input working parameter, working parameter comprises master mode, as current control mode, voltage mode control, power control mode, the variation pattern of controlled variable, for example constant mode, linear increase mode, the linear earlier constant mode etc. that increases again; In addition, program can not all be preserved each waveform that collects, and can cause data volume excessive like that, will soon surpass hard-disk capacity, causes system-down, and therefore setting the interface in controlled variable also needs the frequency of preserving waveform is set.According to predefined working parameter, program calculates the preset value of the controlled variable of current time.For example in the starting stage, the working current preset mode is the linear pattern that increases, and the sequence of control of then described computer 7 can calculate the preset value of current working current by the time and the current time of given maximum current, initial linear section; Computer 7 is by actual average current, magnitude of voltage in the next current and voltage signals counting circuit of signal acquisition controller 6 transmission, with this actual value and preset value contrast, if actual value is less than preset value, then described computer 7 sends a feedback signal, by signal acquisition controller 6 control thyristor pulse triggers 8,9, make the current potential generation minor alteration of thyristor 10,11, increase the pulsewidth of electric current; Otherwise, if actual value greater than preset value, then reduces the pulsewidth of electric current.Simultaneously, on the working interface of computer 7, can observe the waveform of electric current, voltage simultaneously, the mean current of forward, negative sense, the parameters such as average voltage of forward negative sense are with the Changing Pattern of the process of processing, as shown in Figure 6, automatically recorded forward average voltage, negative sense average voltage, Mean Forward Current, negative sense mean current simultaneously, preserve the waveform time if reach default, then record once arrives electric current, voltage waveform.
If reach the default treatment time, then computer 7 sends the zero setting signal, and the PEO processing finishes; Otherwise then circulation is gathered-is judged-flow process fed back.The schema of PC sequence of control as shown in Figure 2.
Said sample 1 was handled 100 minutes, just at aluminum alloy specimen surface preparation ceramic coating.Automatically recorded forward average voltage, negative sense average voltage, Mean Forward Current, negative sense mean current simultaneously, once arrived electric current, voltage waveform every 10 minutes records.
The forward current density 5A/dm of the alternating current that present embodiment applied
2, the ratio of negative current density is 0.5, adopts the linear method that increases in the starting stage, holding current is constant after 10 minutes, finishes preceding 10 minutes linearities and is reduced to zero.
Magnesium alloy sample is cleaned and the oil removing pre-treatment, adopt the apparatus and method identical, sample is placed on handles 100 minutes in the alkaline sodium silicate solution, just at magnesium alloy sample surface preparation ceramic coating with the foregoing description 1.Automatically recorded forward average voltage, negative sense average voltage, Mean Forward Current, negative sense mean current simultaneously, once arrived electric current, voltage waveform every 10 minutes records.
The forward current density 5A/dm of the alternating current that present embodiment applied
2, the ratio of negative current density is 0.5, adopts the linear method that increases in the starting stage, holding current is constant after 10 minutes, finishes preceding 10 minutes linearities and is reduced to zero.
Magnesium alloy sample is cleaned and the oil removing pre-treatment, adopt the apparatus and method identical that sample is placed on and handled in sodium phosphate and the sodium silicate solution 100 minutes, just prepare ceramic coating at the titanium alloy specimen surface with the foregoing description 1. recorded forward average voltage, negative sense average voltage, Mean Forward Current, negative sense mean current simultaneously automatically, write down every 10 minutes and once arrive electric current, voltage waveform.
The forward current density 5A/dm of the alternating current that present embodiment applied
2, the ratio of negative current density is 0.5, adopts the linear method that increases in the starting stage, holding current is constant after 10 minutes, finishes preceding 10 minutes linearities and is reduced to zero.
Claims (6)
1. plasma electrolytic oxidation automatic control device, comprise the pending material that immerses in the electrolytic solution, it is characterized in that, described pending material is connected the two poles of the earth of AC power respectively by lead as anode and cathode material, described lead is provided with voltage sensor, current sensor, this voltage sensor, the output terminal of current sensor inserts signal acquisition controller, this signal acquisition controller connects computer and circuit pulse-width controlled device respectively, this circuit pulse-width controlled device is located on the described lead, voltage sensor, current sensor is with the voltage that collects, current signal is handled through signal acquisition controller input computer, and computer is regulated the electric current of working process according to result in real time by circuit pulse-width controlled device, voltage guarantees the constant current density on the pending material.
2. plasma electrolytic oxidation automatic control device as claimed in claim 1, it is characterized in that, described circuit pulse-width controlled device comprises two thyristor pulse triggers, and two thyristor pulse triggers respectively connect a thyristor of being located on the described lead, and this two thyristor is in parallel.
3. plasma electrolytic oxidation automatic control device as claimed in claim 1 is characterized in that, described voltage sensor is the Hall voltage transmitter, and current sensor is a Hall current sensor.
4. plasma electrolytic oxidation automatic control device as claimed in claim 1 is characterized in that, described two thyristors are parallel with electric capacity.
5. plasma electrolytic oxidation automatic control device as claimed in claim 1, it is characterized in that, described cathode material is an electrolyzer, this electrolyzer is a hollow groove, be formed for holding the hollow cavity of cooling fluid between the inside and outside wall of hollow groove, this hollow cavity is provided with cooling liquid inlet and cooling liquid outlet.
6. plasma electrolytic oxidation autocontrol method, it is characterized in that, at first pending material is put into silicate solutions as anode, and pending material and cathode material are connected the two-stage of AC power respectively by lead, in treating processes, be located at the current sensor on the lead, voltage sensor is with the electric current that collects, voltage signal is handled through signal acquisition controller input computer, computer sends steering order according to result and is transferred to circuit pulse-width controlled device through signal acquisition controller, by forward and the negative sense pulsewidth in the circuit pulse-width controlled device regulating circuit, thus the constant current density on the assurance sample;
In described computer processing procedure, at first default working parameter, computer is according to predefined working parameter then, calculate the preset value of the controlled variable of current time, the electric current of computer by collecting, actual average current in the voltage signal counting circuit, magnitude of voltage, preset value contrast with this actual value and controlled variable, if actual value is less than preset value, then described data acquisition controller sends a feedback signal, increase the pulsewidth of electric current, otherwise then reduce the pulsewidth of electric current, if reach the default treatment time, then computer sends the zero setting signal, and treating processes finishes;
Described working parameter comprises the frequency of the waveform that variation pattern is preserved of master mode, controlled variable, described master mode comprises current control mode, voltage mode control and power control mode, and the variation pattern of described controlled variable comprises constant mode, linear increase mode, linearity increases constant again mode earlier.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2746192C1 (en) * | 2020-07-03 | 2021-04-08 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский государственный технологический университет "СТАНКИН" (ФГБОУ ВО "МГТУ "СТАНКИН") | Device for electrochemical formation of ceramic-like coatings on the surfaces of products made of valve metals |
| RU2773771C1 (en) * | 2021-11-17 | 2022-06-09 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский государственный технологический университет "СТАНКИН" (ФГБОУ ВО "МГТУ "СТАНКИН") | Device for plasma-electrolyte processing of products from valve metals and their alloys |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061501B (en) * | 2010-12-31 | 2014-03-05 | 中国船舶重工集团公司第七0七研究所 | Inductosyn hard oxidation technology and power supply device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1311354A (en) * | 2001-01-20 | 2001-09-05 | 来永春 | Method and device for coating metal surface by micro arc oxidation |
| CN1432669A (en) * | 2002-01-18 | 2003-07-30 | 邓栋才 | Micro arc process to produce ceramic layer on surface of zinc oxide and aluminium alloy |
| CN1446945A (en) * | 2003-02-27 | 2003-10-08 | 李炳生 | Method for coating ceramics by using plasma electrolytic oxidation and equipment |
| CN1490434A (en) * | 2003-09-17 | 2004-04-21 | 北京科技大学 | A method of negative and positive bipolar micro-arc electrodeposition ceramic layer on the surface of magnesium alloy |
| US6726825B2 (en) * | 2000-04-07 | 2004-04-27 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for manufacturing positive electrode foil of aluminum electrolytic capacitor |
-
2006
- 2006-09-11 CN CN200610112905A patent/CN1936098B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6726825B2 (en) * | 2000-04-07 | 2004-04-27 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for manufacturing positive electrode foil of aluminum electrolytic capacitor |
| CN1311354A (en) * | 2001-01-20 | 2001-09-05 | 来永春 | Method and device for coating metal surface by micro arc oxidation |
| CN1432669A (en) * | 2002-01-18 | 2003-07-30 | 邓栋才 | Micro arc process to produce ceramic layer on surface of zinc oxide and aluminium alloy |
| CN1446945A (en) * | 2003-02-27 | 2003-10-08 | 李炳生 | Method for coating ceramics by using plasma electrolytic oxidation and equipment |
| CN1490434A (en) * | 2003-09-17 | 2004-04-21 | 北京科技大学 | A method of negative and positive bipolar micro-arc electrodeposition ceramic layer on the surface of magnesium alloy |
Non-Patent Citations (4)
| Title |
|---|
| 胡正前，马晋，张文华，武玉山.铝合金在硅酸盐电解液中微弧氧化的尺寸变化.轻合金加工技术31 10.2003,31(10),37-39. |
| 胡正前,马晋,张文华,武玉山.铝合金在硅酸盐电解液中微弧氧化的尺寸变化.轻合金加工技术31 10.2003,31(10),37-39. * |
| 薛文斌，邓志威，陈如意，张通和.钛合金在硅酸盐溶液中微弧氧化陶瓷膜的组织结构.金属热处理 2.2000,(2),5-7. |
| 薛文斌,邓志威,陈如意,张通和.钛合金在硅酸盐溶液中微弧氧化陶瓷膜的组织结构.金属热处理 2.2000,(2),5-7. * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2746192C1 (en) * | 2020-07-03 | 2021-04-08 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский государственный технологический университет "СТАНКИН" (ФГБОУ ВО "МГТУ "СТАНКИН") | Device for electrochemical formation of ceramic-like coatings on the surfaces of products made of valve metals |
| RU2773771C1 (en) * | 2021-11-17 | 2022-06-09 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский государственный технологический университет "СТАНКИН" (ФГБОУ ВО "МГТУ "СТАНКИН") | Device for plasma-electrolyte processing of products from valve metals and their alloys |
| RU2812068C1 (en) * | 2023-11-16 | 2024-01-22 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Пензенский государственный университет" | Method for adjusting current strength and ratio of anodic and cathodic current components in micro-arc oxidation capacitor installation |
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| CN1936098A (en) | 2007-03-28 |
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