CN103014806A - Surface treatment method for aluminum alloy parts for valves - Google Patents

Surface treatment method for aluminum alloy parts for valves Download PDF

Info

Publication number
CN103014806A
CN103014806A CN2012103252683A CN201210325268A CN103014806A CN 103014806 A CN103014806 A CN 103014806A CN 2012103252683 A CN2012103252683 A CN 2012103252683A CN 201210325268 A CN201210325268 A CN 201210325268A CN 103014806 A CN103014806 A CN 103014806A
Authority
CN
China
Prior art keywords
aluminum alloy
valve
treatment
alloy spare
valves
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2012103252683A
Other languages
Chinese (zh)
Inventor
李志信
严荐强
王建平
塞思·考德曼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AMERICA VALVE Inc
NINGBO CHANGHUA COPPER PRODUCTS CO Ltd
Ningbo Hongte Industry & Trade Co Ltd
HORNG ENTERPRISE CO Ltd
Original Assignee
AMERICA VALVE Inc
NINGBO CHANGHUA COPPER PRODUCTS CO Ltd
Ningbo Hongte Industry & Trade Co Ltd
HORNG ENTERPRISE CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by AMERICA VALVE Inc, NINGBO CHANGHUA COPPER PRODUCTS CO Ltd, Ningbo Hongte Industry & Trade Co Ltd, HORNG ENTERPRISE CO Ltd filed Critical AMERICA VALVE Inc
Priority to CN2012103252683A priority Critical patent/CN103014806A/en
Publication of CN103014806A publication Critical patent/CN103014806A/en
Pending legal-status Critical Current

Links

Abstract

The invention discloses a surface treatment method for aluminum alloy parts for valves, which comprises the following steps of: 1) heat treatment: carrying out T6 heat treatment on aluminum alloy parts for valves; 2) vibration grinding treatment: carrying out vibration grinding on the surfaces of the aluminum alloy parts for valves subjected to heat treatment, carrying out ultrasonic cleaning on the surfaces of the aluminum alloy parts subjected to vibration grinding, and then rinsing and drying the surfaces; 3) chemical polishing treatment: carrying out polishing on the surfaces of the aluminum alloy parts for valves by using polishing liquid consisting of a phosphoric acid, a sulfuric acid and a nitric acid; and 4) hard anodic oxidation treatment: carrying out hard anodic oxidation treatment on the aluminum alloy parts for valves by using oxidized liquor containing a sulfuric acid. After the surface treatment method for aluminum alloy parts for valves, disclosed by the invention, is adopted, a completely-covered hard anodic oxidation layer is formed on the surface of an aluminum alloy part for valves, so that the insulation performance is improved, therefore, the corrosion resistance is significantly increased, the generation of local corrosion caused by potential difference is avoided, the service life of valves is greatly prolonged, and the application field of aluminum alloys is expanded.

Description

Valve aluminum alloy spare part surface treatment method
Technical field
The present invention relates to a kind of surface treatment method, particularly a kind of valve aluminum alloy spare part surface treatment method.
Background technology
Winn bronze has good processing characteristics, and Application Areas is very extensive, comprises various web members in the mechanical engineering, valve, stem bearing etc.Lead content in the Winn bronze is generally 1% ~ 4.5%, can significantly improve the cutting ability of material.But plumbous have harm to human body and environment, especially to blood of human body and neural system can cause that blood lead, brain lead poisoning, nerve are obstructed, backwardness, dementia, the adverse consequences such as active, these harm all are irreversible.Therefore lead has caused the extensive concern of countries in the world to the harm of human body and environment, and the decree rules of the application that relevant restriction both at home and abroad or minimizing are plumbous are in succession appearance also.Particularly having passed through a pipeline-like product decree California Assembly Bill 1953(as California state government of Environmental Protection in America industry pioneer on September 20th, 2006 is AB 1953), this decree will come into effect in the whole America in 2014.This decree requires one to be cut to the equipment that the resident supplies drinking water or cooks water, comprises that water pipe, valve, fire hose first-class product all must reach new unleaded standard.In addition, Japan has also put into effect regulation, requires the lead content in the tap water must be less than 0.03mg/L.All kinds of valve members and another drawback in other accessories that Winn bronze is applied in the water supply water feeding system are Winn bronze ubiquity dezincify problems.Therefore, the application of Winn bronze in pipework faces a severe challenge, and along with the in recent years soaring appearance that reaches copper shortage of resources problem of copper valency, the equivalent material of seeking leaded brass has been imperative in addition.
Aluminium alloy has light specific gravity, good conductivity, fast, the specific tenacity advantages of higher of heat transfer, be widely used in the fields such as aerospace, military project, automobile, boats and ships, such as launch vehicle fuel container, airframe, sport car engine, automotive hub etc., suffice to show that aluminium alloy is more suitable for being applied in high-tech product.Intensity is high, light specific gravity is its characteristic, and the world aluminum aboundresources, so aluminium alloy is the instead of copper goods, the ideal material of all kinds of copper alloys of the water feeding system that especially supplies water.But aluminium alloy also has its shortcoming, as being difficult for welding, aluminium is a kind of more active metal in addition, has low electropotential, cause local corrosion with the easy potential difference that produces after the higher metallic contact of current potential, make the Surface Creation oxide film, but the oxide film of this self-assembling formation is loose porous, inhomogeneous, discontinuous, can not satisfy service requirements, these deficiencies of aluminium alloy have limited to a certain extent with the realization of aluminium for copper.Realization is the breakthrough of aluminium alloy surface treatment method for the key of copper with aluminium.Hard anodizing is a kind for the treatment of process that can form in aluminum alloy surface fine and close zone of oxidation, can improve hardness and the insulating property of aluminium alloy, and then improve corrosion resistance nature.Hard anodizing is to place electrolyte solution take aluminium alloy as anode, utilizes electrolytic action, makes aluminum alloy surface form the process of aluminum oxide film.
Summary of the invention
Technical problem to be solved by this invention provides a kind of valve aluminum alloy spare part surface treatment method.
The present invention solves the problems of the technologies described above the technical scheme that adopts: a kind of valve aluminum alloy spare part surface treatment method may further comprise the steps:
1) thermal treatment: valve is adopted T6 thermal treatment with aluminum alloy spare part, and wherein solid solution temperature is that 510 ~ 570 ℃, time are 2 ~ 8 hours, and the artificial aging temperature is that 170 ~ 190 ℃, time are 4 ~ 10 hours;
2) vibro-grinding is processed: the valve after the thermal treatment is carried out vibro-grinding with the surface of aluminum alloy spare part, and the time is 0.5 ~ 2 hour, carries out ultrasonic cleaning behind the vibro-grinding, then flushing and dry;
3) chemical rightenning is processed: adopt the polishing fluid that is comprised of phosphoric acid, sulfuric acid and nitric acid that valve is polished with the surface of aluminum alloy spare part, polishing time is 40 ~ 180 seconds, and the polishing fluid temperature is 95 ~ 105 ℃;
4) hard anodize: adopt vitriolated oxidation solution that valve is carried out hard anodize with aluminum alloy spare part, make valve form hard anodizing horizon with the surface of aluminum alloy spare part, the hard anodizing time is 60 ~ 100 minutes, voltage is 10 ~ 25V, and temperature is-5 ~ 5 ℃.
Preferably, in step 3), the concentration of described phosphoric acid is 70 ~ 80wt%, and the concentration of described sulfuric acid is 15 ~ 25wt%, and the concentration of described nitric acid is 1 ~ 10wt%.
Preferably, in step 4), the concentration of described sulfuric acid is 200 ~ 280g/L.
Preferably, in step 4), the thickness of described hard anodizing horizon is 10 ~ 30 μ m.
Preferably, in step 4), the thickness of described hard anodizing horizon is 15 ~ 25 μ m.
Preferably, also comprise the dyeing processing, the valve behind the hard anodize is dyed the color that needs with the surface of aluminum alloy spare part, dyeing time is 15 ~ 25 seconds, and temperature is 30 ~ 50 ℃.
Preferably, also comprise the sealing of hole processing, adopt sealing of hole to process the valve after the dyeing processing is filled out envelope with the hole on aluminum alloy spare part surface, consisting of of the sealing powder that the sealing of hole processing is adopted: nickel acetate 70 ~ 80wt%, complexing agent 15 ~ 25wt%, tensio-active agent 2 ~ 8wt%, 5 ~ 15 minutes off-periods, the encapsulant temperature is 70 ~ 100 ℃.
Preferably, the valve aluminum alloy spare part for being threaded connection with pipeline also comprises post-processing step, and described post-processing step is included in this valve and forms the insulation enamelled coating with the surface of the screw thread of aluminum alloy spare part.
Preferably, described valve is internal thread with the screw thread of aluminum alloy spare part.
Preferably, described insulation enamelled coating is comprised of Synolac.
Compared with prior art, the invention has the advantages that: after adopting valve of the present invention with the aluminum alloy spare part surface treatment method, valve forms with the aluminum alloy spare part surface and covers complete hard anodizing horizon, insulating property improve, thereby corrosion resistance nature significantly improves, avoid the generation of the local corrosion that potential difference causes, greatly prolong the work-ing life of valve, expanded the Application Areas of aluminium alloy.
Description of drawings
Fig. 1 is through the polarization curve of the aluminium alloy of hard anodize in the embodiment of the invention 1.
Fig. 2 is through the polarization curve of the aluminium alloy of hard anodize in the embodiment of the invention 2.
Fig. 3 is the polarization curve without the Comparative Examples aluminium alloy of hard anodize.
Embodiment
Below in conjunction with embodiment the present invention is described in further detail.
As a comparison, will be without the valve of hard anodize with aluminum alloy spare part as a comparison case.According to GB GB/T 16475-2008 " distortion aluminium and aluminium alloy state code ", code name " T6 " refers to " the laggard row artificially aged of solution heat treatment state ", and for simplicity, unification represents with " T6 " among the present invention.Be the collection of convenient experiment and data, the sampling in embodiment and the Comparative Examples is discoid aluminum alloy specimen.
Embodiment 1
1) thermal treatment: valve is adopted T6 thermal treatment with aluminum alloy spare part, and wherein solid solution temperature is that 530 ℃, time are 8 hours, and the artificial aging temperature is that 190 ℃, time are 8 hours;
2) vibro-grinding is processed: the valve after the thermal treatment is carried out vibro-grinding with the surface of aluminum alloy spare part, and the time is 1 hour, carries out ultrasonic cleaning behind the vibro-grinding, then flushing and dry;
3) chemical rightenning is processed: adopting by concentration is that the polishing fluid that the nitric acid of the sulfuric acid of phosphoric acid, 20wt% of 75wt% and 5wt% forms polishes polishing time 180 seconds, 105 ℃ of polishing fluid temperature;
4) hard anodize: adopt the oxidation solution that contains 210g/L sulfuric acid that valve is carried out hard anodize with aluminum alloy spare part, make valve form the thick hard anodizing horizon of 5 μ m with the surface of aluminum alloy spare part, the hard anodizing time is 80 minutes, voltage is 10 ~ 25V, and temperature is-5 ~ 5 ℃;
5) dyeing is processed: the valve behind the hard anodize is dyed the color that needs with the surface of aluminum alloy spare part, and dyeing time is 20 seconds, and temperature is 50 ℃;
6) sealing of hole is processed: adopt sealing of hole to process the valve after the dyeing processing is filled out envelope with the hole on aluminum alloy spare part surface, consisting of of the sealing powder that the sealing of hole processing is adopted: nickel acetate 78wt%, complexing agent 18wt%, tensio-active agent 4wt%, 5 minutes off-periods, the encapsulant temperature is 90 ℃, namely obtains the aluminum alloy specimen of the embodiment of the invention 1.
Embodiment 2
1) thermal treatment: valve is adopted T6 thermal treatment with aluminum alloy spare part, and wherein solid solution temperature is that 570 ℃, time are 3 hours, and the artificial aging temperature is that 170 ℃, time are 6 hours;
2) vibro-grinding is processed: the valve after the thermal treatment is carried out vibro-grinding with the surface of aluminum alloy spare part, and the time is 1.5 hours, carries out ultrasonic cleaning behind the vibro-grinding, then flushing and dry;
3) chemical rightenning is processed: adopting by concentration is that the polishing fluid that the nitric acid of the sulfuric acid of phosphoric acid, 20wt% of 70wt% and 10wt% forms polishes polishing time 40 seconds, 98 ℃ of polishing fluid temperature;
4) hard anodize: adopt the oxidation solution that contains 260g/L sulfuric acid that valve is carried out hard anodize with aluminum alloy spare part, make valve form the thick hard anodizing horizon of 20 μ m with the surface of aluminum alloy spare part, the hard anodizing time is 60 minutes, voltage is 10 ~ 25V, and temperature is-5 ~ 5 ℃;
5) dyeing is processed: the valve behind the hard anodize is dyed the color that needs with the surface of aluminum alloy spare part, and dyeing time is 25 seconds, and temperature is 40 ℃;
6) sealing of hole is processed: adopt sealing of hole to process the valve after the dyeing processing is filled out envelope with the hole on aluminum alloy spare part surface, consisting of of the sealing powder that the sealing of hole processing is adopted: nickel acetate 75wt%, complexing agent 20wt%, tensio-active agent 5wt%, 10 minutes off-periods, the encapsulant temperature is 80 ℃, namely obtains the aluminum alloy specimen of the embodiment of the invention 2.
Comparative Examples
1) thermal treatment: valve is adopted T6 thermal treatment with aluminum alloy spare part, and wherein solid solution temperature is that 530 ℃, time are 3 hours, and the artificial aging temperature is that 170 ℃, time are 9 hours;
2) vibro-grinding is processed: valve is carried out vibro-grinding with aluminum alloy spare part, and the time is 1 hour;
3) chemical rightenning is processed: adopting by concentration is that the polishing fluid that the nitric acid of the sulfuric acid of phosphoric acid, 20wt% of 75wt% and 5wt% forms polishes, polishing time 180 seconds, and 105 ℃ of polishing fluid temperature namely obtain the aluminum alloy specimen of Comparative Examples of the present invention.
The discoid embodiment 1, the embodiment 2 that obtain and the aluminum alloy specimen of Comparative Examples are embedded into respectively tetrafluoroethylene (PTEE) battery, carry out electrochemical polarization in three common electrode electrolysers, the exposed area of each sample is 1cm 2Before the experiment beginning, first sample is soaked for some time until open circuit potential reaches stationary value in electrolyte solution.Used two kinds of ionogen to test: the NaCl solution of 3.5wt% and the NaClO solution of 1.0wt%.Adopt respectively silver/silver chloride electrode and platinum electrode as reference electrode and supporting electrode.Adopting model is the potentiostat analyser scanning release direct current electrokinetic potential of Solartron 1287, and sweep velocity is 1mV/sec, and initial potential is-0.5V that Ptfv1 is+0.75V.After experiment finished, the computer program adopted tower not extrapolation Calculation of corrosion current potential and corrosion density, the results are shown in Table 1.Through the polarization curve of the aluminium alloy of hard anodize as shown in Figure 1, through the polarization curve of the aluminium alloy of hard anodize as shown in Figure 2, the polarization curve of Comparative Examples aluminium alloy as shown in Figure 3 in the embodiment of the invention 2 in the embodiment of the invention 1.
The corrosion potential of table 1 Comparative Examples and embodiment, corrosion electric current density and erosion rate
As seen from Table 1, for the Comparative Examples aluminum alloy specimen without hard anodize, the NaClO(of employing 1.0wt% is equivalent to the sterilized water of 10000ppm) when being ionogen, corrosion electric current density is 1.23 * 10 -6A/cm 2, erosion rate is 14.4 μ m/; When the NaCl of employing 3.5wt% was ionogen, corrosion electric current density was 2.73 * 10 -6A/cm 2, erosion rate is 29.7 μ m/.Erosion rate is 14.4 μ m/, means that without the valve of hard anodize with the even attenuate 0.0144mm of the every annual meeting of aluminum alloy spare part, attenuate 1mm needs 70 years.For instance, thickness is the workpiece of 2mm, although its corrosion thinning 0.1mm needs 7 years, the safety coefficient of its use and security reduce behind the attenuate 0.1mm, therefore should be specifically noted that the generation of its corrosion.
For the embodiment of the invention aluminum alloy specimen through hard anodize, when hard anodizing horizon thickness is 5 μ m, corrosion electric current density has reduced by two grades, and embodiment 1 is 1.88 * 10 through the corrosion electric current density of aluminum alloy specimen in the NaClO of 1.0wt% solution of hard anodize -8A/cm 2, erosion rate is 0.20 μ m/, and expression attenuate 0.1mm needs about 500 years, and the significant prolongation in work-ing life through the workpiece of hard anodize is described, and its work-ing life, the chances are without more than 70 times of workpiece of hard anodize.
For the valve aluminum alloy spare part that is threaded connection with pipeline and since its screw thread place easily discharge cause the hard anodizing horizon local failure, so in actual applications, be preferably in this valve and form the insulation enamelled coating with the surface of the screw thread of aluminum alloy spare part.

Claims (10)

1. valve aluminum alloy spare part surface treatment method is characterized in that may further comprise the steps:
1) thermal treatment: valve is adopted T6 thermal treatment with aluminum alloy spare part, and wherein solid solution temperature is that 510 ~ 570 ℃, time are 2 ~ 8 hours, and the artificial aging temperature is that 170 ~ 190 ℃, time are 4 ~ 10 hours;
2) vibro-grinding is processed: the valve after the thermal treatment is carried out vibro-grinding with the surface of aluminum alloy spare part, and the time is 0.5 ~ 2 hour, carries out ultrasonic cleaning behind the vibro-grinding, then flushing and dry;
3) chemical rightenning is processed: adopt the polishing fluid that is comprised of phosphoric acid, sulfuric acid and nitric acid that valve is polished with the surface of aluminum alloy spare part, polishing time is 40 ~ 180 seconds, and the polishing fluid temperature is 95 ~ 105 ℃;
4) hard anodize: adopt vitriolated oxidation solution that valve is carried out hard anodize with aluminum alloy spare part, make valve form hard anodizing horizon with the surface of aluminum alloy spare part, the hard anodizing time is 60 ~ 100 minutes, voltage is 10 ~ 25V, and temperature is-5 ~ 5 ℃.
2. valve according to claim 1 aluminum alloy spare part surface treatment method, it is characterized in that: in step 3), the concentration of described phosphoric acid is 70 ~ 80wt%, and the concentration of described sulfuric acid is 15 ~ 25wt%, and the concentration of described nitric acid is 1 ~ 10wt%.
3. valve according to claim 1 aluminum alloy spare part surface treatment method, it is characterized in that: in step 4), the concentration of described sulfuric acid is 200 ~ 280g/L.
4. valve according to claim 1 aluminum alloy spare part surface treatment method, it is characterized in that: in step 4), the thickness of described hard anodizing horizon is 10 ~ 30 μ m.
5. valve according to claim 4 aluminum alloy spare part surface treatment method, it is characterized in that: in step 4), the thickness of described hard anodizing horizon is 15 ~ 25 μ m.
6. valve according to claim 1 aluminum alloy spare part surface treatment method, it is characterized in that: also comprise the dyeing processing, valve behind the hard anodize is dyed the color that needs with the surface of aluminum alloy spare part, and dyeing time is 15 ~ 25 seconds, and temperature is 30 ~ 50 ℃.
7. valve according to claim 6 aluminum alloy spare part surface treatment method, it is characterized in that: also comprise the sealing of hole processing, adopt sealing of hole to process the valve after the dyeing processing is filled out envelope with the hole on aluminum alloy spare part surface, consisting of of the sealing powder that the sealing of hole processing is adopted: nickel acetate 70 ~ 80wt%, complexing agent 15 ~ 25wt%, tensio-active agent 2 ~ 8wt%, 5 ~ 15 minutes off-periods, the encapsulant temperature is 70 ~ 100 ℃.
8. each described valve aluminum alloy spare part surface treatment method according to claim 1 ~ 7, it is characterized in that: for the valve aluminum alloy spare part that is threaded connection with pipeline, also comprise post-processing step, described post-processing step is included in this valve and uses the surface of the screw thread of aluminum alloy spare part to form the insulation enamelled coating.
9. valve according to claim 8 aluminum alloy spare part surface treatment method, it is characterized in that: described valve is internal thread with the screw thread of aluminum alloy spare part.
10. valve according to claim 8 aluminum alloy spare part surface treatment method, it is characterized in that: described insulation enamelled coating is comprised of Synolac.
CN2012103252683A 2012-09-05 2012-09-05 Surface treatment method for aluminum alloy parts for valves Pending CN103014806A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012103252683A CN103014806A (en) 2012-09-05 2012-09-05 Surface treatment method for aluminum alloy parts for valves

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2012103252683A CN103014806A (en) 2012-09-05 2012-09-05 Surface treatment method for aluminum alloy parts for valves
TW102119259A TW201410924A (en) 2012-09-05 2013-05-31 Surface treatment method for aluminum alloy parts for valves

Publications (1)

Publication Number Publication Date
CN103014806A true CN103014806A (en) 2013-04-03

Family

ID=47963905

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012103252683A Pending CN103014806A (en) 2012-09-05 2012-09-05 Surface treatment method for aluminum alloy parts for valves

Country Status (2)

Country Link
CN (1) CN103014806A (en)
TW (1) TW201410924A (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103276431A (en) * 2013-05-21 2013-09-04 昆山乙盛机械工业有限公司 Highlight anodizing process of aluminum product
CN103343374A (en) * 2013-07-09 2013-10-09 浙江苏泊尔股份有限公司 Hard anodizing treatment method of cast aluminum alloy workpiece
CN103624636A (en) * 2013-11-27 2014-03-12 天广消防股份有限公司 Surface processing process of aluminum and aluminum alloy workpieces
CN104500578A (en) * 2014-12-23 2015-04-08 常熟市董浜镇徐市嘉峰机械厂 Surface treatment bearing
CN105648494A (en) * 2016-01-08 2016-06-08 西安长庆科技工程有限责任公司 Wear resistance and corrosion resistance treatment method for surfaces of aluminum base valve parts
CN105755517A (en) * 2016-05-06 2016-07-13 陕西天元智能再制造股份有限公司 Wear-resistant and corrosion-resistant treatment method for aluminum-based workpiece surface in petroleum industry
CN105887151A (en) * 2016-05-23 2016-08-24 沈阳富创精密设备有限公司 Corrosion resistance sulfuric acid hard anodizing process
CN106400080A (en) * 2016-11-17 2017-02-15 三能器具(无锡)有限公司 Surface hardening treatment process for aluminum alloy tableware
CN107142510A (en) * 2017-05-03 2017-09-08 深圳天珑无线科技有限公司 The surface treatment method and its aluminum or aluminum alloy workpiece of a kind of aluminum or aluminum alloy
CN107739929A (en) * 2017-11-29 2018-02-27 西华大学 A kind of high-weatherability aluminium alloy and preparation method thereof
CN108198960A (en) * 2017-12-29 2018-06-22 东莞市朗泰通实业有限公司 A kind of anti-oxidant Ni-MH battery and preparation method thereof
CN108746535A (en) * 2018-05-30 2018-11-06 苏州阜丰实业有限公司 A kind of processing technology of corrosion-resistant die casting
CN108788060A (en) * 2018-05-30 2018-11-13 苏州阜丰实业有限公司 A kind of processing technology of ice-melt anemobiagraph

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000144491A (en) * 1998-11-10 2000-05-26 Honda Motor Co Ltd ANODIC OXIDATION TREATING METHOD FOR Si ALUMINUM ALLOY
CN101205616A (en) * 2006-12-20 2008-06-25 深圳富泰宏精密工业有限公司 Surface treating method for metal workpieces
CN102286712A (en) * 2011-09-21 2011-12-21 镇江忆诺唯记忆合金有限公司 Process for enhancing thermal fatigue performance of aluminum-silicon alloy
TW201219607A (en) * 2010-11-04 2012-05-16 Hon Hai Prec Ind Co Ltd Aluminium productor and method for making same
CN102635678A (en) * 2011-02-12 2012-08-15 刘文辉 Single-pulley device with moveable side plates and manufacturing method of single-pulley device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000144491A (en) * 1998-11-10 2000-05-26 Honda Motor Co Ltd ANODIC OXIDATION TREATING METHOD FOR Si ALUMINUM ALLOY
CN101205616A (en) * 2006-12-20 2008-06-25 深圳富泰宏精密工业有限公司 Surface treating method for metal workpieces
TW201219607A (en) * 2010-11-04 2012-05-16 Hon Hai Prec Ind Co Ltd Aluminium productor and method for making same
CN102635678A (en) * 2011-02-12 2012-08-15 刘文辉 Single-pulley device with moveable side plates and manufacturing method of single-pulley device
CN102286712A (en) * 2011-09-21 2011-12-21 镇江忆诺唯记忆合金有限公司 Process for enhancing thermal fatigue performance of aluminum-silicon alloy

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
朱传柠: "《丙烯酸酯及其聚合物》", 31 March 1985, 化学工业出版社, article "绝缘", pages: 272-274 *
朱祖芳: "《铝合金阳极氧化与表面处理技术》", 31 July 2004, 化学工业出版社, article "封口", pages: 231 *
苏纪文等: ""铝及铝合金硬质阳极氧化"", 《四川兵工学报》, vol. 23, no. 3, 30 September 2002 (2002-09-30) *
黄奇松: "《铝的阳极氧化和染色》", 30 June 1981, 轻工业出版社重印, article "抛光", pages: 38-39 *

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103276431A (en) * 2013-05-21 2013-09-04 昆山乙盛机械工业有限公司 Highlight anodizing process of aluminum product
CN103276431B (en) * 2013-05-21 2015-08-26 昆山乙盛机械工业有限公司 Aluminum products height light anodic process
CN103343374A (en) * 2013-07-09 2013-10-09 浙江苏泊尔股份有限公司 Hard anodizing treatment method of cast aluminum alloy workpiece
CN103343374B (en) * 2013-07-09 2016-05-18 浙江苏泊尔股份有限公司 A kind of hard anodize method of cast aluminium alloy workpiece
CN103624636A (en) * 2013-11-27 2014-03-12 天广消防股份有限公司 Surface processing process of aluminum and aluminum alloy workpieces
CN104500578A (en) * 2014-12-23 2015-04-08 常熟市董浜镇徐市嘉峰机械厂 Surface treatment bearing
CN105648494A (en) * 2016-01-08 2016-06-08 西安长庆科技工程有限责任公司 Wear resistance and corrosion resistance treatment method for surfaces of aluminum base valve parts
CN105648494B (en) * 2016-01-08 2018-05-22 西安长庆科技工程有限责任公司 A kind of wear resistant corrosion resistant processing method of aluminium base valve type piece surface
CN105755517B (en) * 2016-05-06 2017-11-10 陕西天元智能再制造股份有限公司 A kind of abrasion-proof corrosion-proof processing method of petroleum industry aluminium base workpiece surface
CN105755517A (en) * 2016-05-06 2016-07-13 陕西天元智能再制造股份有限公司 Wear-resistant and corrosion-resistant treatment method for aluminum-based workpiece surface in petroleum industry
CN105887151A (en) * 2016-05-23 2016-08-24 沈阳富创精密设备有限公司 Corrosion resistance sulfuric acid hard anodizing process
CN106400080A (en) * 2016-11-17 2017-02-15 三能器具(无锡)有限公司 Surface hardening treatment process for aluminum alloy tableware
CN107142510A (en) * 2017-05-03 2017-09-08 深圳天珑无线科技有限公司 The surface treatment method and its aluminum or aluminum alloy workpiece of a kind of aluminum or aluminum alloy
CN107142510B (en) * 2017-05-03 2019-02-05 深圳天珑无线科技有限公司 A kind of surface treatment method and its aluminum or aluminum alloy workpiece of aluminum or aluminum alloy
CN107739929A (en) * 2017-11-29 2018-02-27 西华大学 A kind of high-weatherability aluminium alloy and preparation method thereof
CN108198960A (en) * 2017-12-29 2018-06-22 东莞市朗泰通实业有限公司 A kind of anti-oxidant Ni-MH battery and preparation method thereof
CN108198960B (en) * 2017-12-29 2021-02-09 东莞市朗泰通实业有限公司 Anti-oxidation nickel-metal hydride battery and manufacturing method thereof
CN108746535A (en) * 2018-05-30 2018-11-06 苏州阜丰实业有限公司 A kind of processing technology of corrosion-resistant die casting
CN108788060A (en) * 2018-05-30 2018-11-13 苏州阜丰实业有限公司 A kind of processing technology of ice-melt anemobiagraph

Also Published As

Publication number Publication date
TW201410924A (en) 2014-03-16

Similar Documents

Publication Publication Date Title
CN103014806A (en) Surface treatment method for aluminum alloy parts for valves
CN101413122B (en) Surface treating method of aluminum alloy material
JP6004181B2 (en) Anodized film and method for producing the same
CN105350049A (en) Preparing method for graphene oxide composite coating on surface of magnesium alloy
Carangelo et al. Application of EIS to in situ characterization of hydrothermal sealing of anodized aluminum alloys: Comparison between hexavalent chromium-based sealing, hot water sealing and cerium-based sealing
RU2643736C2 (en) Titanium material or material from titanium alloy having surface electrical conductivity, as well as fuel cell separator and fuel cell using thereof
CN107855254B (en) Preparation method of corrosion-resistant organic composite coating on surface of magnesium alloy
CN104178784A (en) Preparation method of metal surface copper-nickel alloy
Herrera‐Hernandez et al. Evaluation of different sealing methods for anodized aluminum‐silicon carbide (Al/SiC) composites using EIS and SEM techniques
Carangelo et al. Cerium-based sealing of anodic films on AA2024T3: effect of pore morphology on anticorrosion performance
CN101792920A (en) Sulfuric acid-boric acid-additive ternary anodizing fluid
CN100371503C (en) Anodic rare-earth oxide membrane closing method of aluminium alloy
Fernández-Domene et al. Passivity breakdown of titanium in LiBr solutions
Liu et al. Understanding corrosion mechanism of Sn–Zn alloys in NaCl solution via corrosion products characterization
CN109461586B (en) Preparation method for reducing leakage current of low-voltage electrode foil for aluminum electrolytic capacitor
CN104152898A (en) Micro-arc oxidation self-assembled chemical nickel-plated coating on surface of magnesium alloy and preparation method of micro-arc oxidation self-assembled chemical nickel-plated coating
Huanhuan et al. Study of corrosion protection of the composite films on A356 aluminum alloy
Latham et al. Anodising AZ31 in a phosphonium ionic liquid: corrosion protection through composite film deposition
CN103305892A (en) Green and environment-friendly sealing method for surface anode oxidization of aluminum alloy
CN101792919A (en) Anodic oxidation treating fluid containing corrosion inhibition additive
CN102489439A (en) Method for preparing super-hydrophobic copper sheet
CN106367753A (en) Preparation method for corrosion-resistant hydrophobic film on metal surface
Arsova et al. Electrochemical characterization of the passive films formed on niobium surfaces in H2SO4 solutions
Hu et al. Approaches to electrodeposit molybdenum from ionic liquid
Gerasimov et al. The effect of nickel sulfate additives to microarc oxidation electrolytes on the composition and morphology of the surface layer of MAO coatings on VT1-0 titanium And VT5 alloy

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20130403