CN107034507A - 7 series alloys process of surface treatment - Google Patents
7 series alloys process of surface treatment Download PDFInfo
- Publication number
- CN107034507A CN107034507A CN201611182334.0A CN201611182334A CN107034507A CN 107034507 A CN107034507 A CN 107034507A CN 201611182334 A CN201611182334 A CN 201611182334A CN 107034507 A CN107034507 A CN 107034507A
- Authority
- CN
- China
- Prior art keywords
- mass percent
- sodium
- water
- series alloys
- washed
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
- C25D11/08—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing inorganic acids
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/18—After-treatment, e.g. pore-sealing
- C25D11/24—Chemical after-treatment
Abstract
The invention discloses a kind of 7 series alloys process of surface treatment, comprise the following steps：S1 surface oxidation treatments, 7 series alloys are put into and held in oxidation trough of the temperature for 18 22 DEG C of oxidising agents, and oxidation trough cut-in operation voltage is aoxidized 12 15 minutes；S2 is washed；S3 carries out oil removal treatment, 23 minutes time with 60 70 DEG C of oil removing reagent；S4 is washed；S5 soaks 30 60 seconds in the neutralization reagent of normal temperature；S6 is washed；S7 is put into the expanding agent that pH value is 9 11 and carries out expanding treatment, soaks 57 minutes at normal temperatures；S8 is washed；S9 carries out nanometered disposal, 8 12 minutes time in temperature is 20 25 DEG C of nanometer reagent；S10 is washed；S11 soaks 12 minutes in the table of normal temperature is adjusted；S12 washings, drying.The 7 series alloys process of surface treatment that the present invention is provided, improve aluminum alloy surface and the bond strength of resin.
Description
Technical field
The present invention relates to the technical field of surface of metal material, specifically, it is related to a kind of 7 series alloys surface
Handling process.
Background technology
7 series alloys include Al-Zn-Mg systems and Al-Zn-Mg-Cu systems alloy, all with density is low, processing characteristics
The advantages of good and welding performance is excellent.Therefore, in aerospace industry, vehicle, building, bridge, engineer equipment and large-scale pressure
It is obtained for and is widely applied in terms of container.Modern industry is developed rapidly, to the intensity of 7 series alloys, toughness and
Stress corrosion resistant (SCR) performance etc. proposes higher requirement.
Use adhesive under normal temperature or heating state by metal combination integrated with resin in current industry, but use
Adhesion is poor between the complex metal and plastic cement of these methods, and adhesive acid-fast alkali-proof poor performance, and complex can not be carried out
Follow-up anodic oxidation etc. is surface-treated.Therefore, studying a kind of resin of high intensity method integrated with 7 series alloys is
One important problem.
The content of the invention
For the deficiencies in the prior art, work is surface-treated it is an object of the invention to provide a kind of 7 series alloys
Skill.
The technical scheme that 7 series alloys process of surface treatment disclosed by the invention is used is:
A kind of 7 series alloys process of surface treatment, comprise the following steps：
S1 surface oxidation treatments, 7 series alloys are put into and held in oxidation trough of the temperature for 18-22 DEG C of oxidising agent, oxidation
Groove cut-in operation voltage, is aoxidized 12-15 minutes；
S2 is washed；
S3 carries out oil removal treatment, time 2-3 minute with 60-70 DEG C of oil removing reagent；
S4 is washed；
S5 soaks 30-60 seconds in the neutralization reagent of normal temperature；
S6 is washed；
S7 is put into the expanding agent that pH value is 9-11 and carries out expanding treatment, soaks 5-7 minutes at normal temperatures；
S8 is washed；
S9 carries out nanometered disposal, time 8-12 minute in temperature is 20-25 DEG C of nanometer reagent；
S10 is washed；
S11 soaks 1-2 minutes in the table of normal temperature is adjusted；
S12 washings, drying.
Preferably, the oxidising agent in step S1 is the sulfuric acid that concentration is 190g/L, and operating voltage is 17.5V.
Preferably, the oil removing reagent in step S3 be alkali salt mixture, corrosion inhibiter, surfactant, emulsifying agent,
Diethanol amine and water, the mass percent of the alkali salt mixture is 50-55%, and the mass ratio of the corrosion inhibiter is 0.5-1%, institute
The mass percent for stating surfactant is 0.5-1%, and the mass percent of the emulsifying agent is 0.3-0.5%, the diethanol
The mass percent of amine is 3-5%, and remaining is water.
Preferably, the neutralization reagent in step S5 is the mixed liquor of sulfuric acid, iron chloride, nitric acid and water, the sulphur
The mass percent of acid is 20%, and the mass percent of the iron chloride is 0.5-1%, and the mass percent of the nitric acid is 15%,
Remaining is water.
Preferably, the reaming reagent in step S7 be the sodium of ethylenediamine tetraacetic acid (EDTA) four, sodium acetate, sodium carbonate, malic acid,
The mixed liquor of lauryl sodium sulfate and water, the mass percent of the tetrasodium ethylenediamine tetraacetate is 20%, the sodium acetate
Mass percent is 15%, and the mass percent of the sodium carbonate is 5%, and the mass percent of the malic acid is 2%, described ten
The mass percent of sodium dialkyl sulfate is 1%, and remaining is water.
Preferably, the nanometer reagent in step S9 is oxalic acid, sulfuric acid, phosphoric acid, disodium ethylene diamine tetraacetate and water
Mixed liquor, the mass percent of the oxalic acid is 5%, and the mass percent of the sulfuric acid is 8%-10%, the matter of the phosphoric acid
It is 25% to measure percentage, and the mass percent of the disodium ethylene diamine tetraacetate is 1%, and remaining is water.
Preferably, it is sodium tripolyphosphate, dodecyl sodium sulfate, sodium acetate, di(2-ethylhexyl)phosphate that table, which is adjusted, in step S11
The mixed liquor of hydrogen sodium, sodium metasilicate and water, the mass percent of the sodium tripolyphosphate is 2.5%, the dodecyl sodium sulfate
Mass percent is 0.5%, and the mass percent of the sodium acetate is 1.5%, and the mass percent of the sodium dihydrogen phosphate is
15%, the mass percent of the sodium metasilicate is 1.5%, and remaining is water.
The beneficial effect of 7 series alloys process of surface treatment disclosed by the invention is：Aluminum alloy surface and tree can be improved
The bond strength of fat.
Embodiment
In order that technical problem solved by the invention, technical scheme and beneficial effect are more clearly understood, below in conjunction with
Embodiment, the present invention is described in further detail.
Embodiment one：A kind of 7 series alloys process of surface treatment, comprise the following steps：
S1 surface oxidation treatments, 7 series alloys are put into the oxidation trough for holding oxidising agent, and oxidant is that concentration is
190g/L sulfuric acid, temperature remains 22 DEG C, and oxidation trough cut-in operation voltage 17.5V is aoxidized 12 minutes.
7 series alloys of the S2 after step S1 by washing twice；
S3 is in temperature in 60 DEG C of oil removing reagent, oil removal treatment 2 minutes, oil removing reagent is alkali salt mixture, corrosion inhibiter, surface
Activating agent, emulsifying agent, the mixed liquor of diethanol amine and water, the alkali salt mixture is that mass ratio is 5：1 sodium tripolyphosphate and
The mixture of sodium citrate, the mass percent of shared oil removing reagent is 55%, and the corrosion inhibiter is anhydrous sodium metasilicate, quality
Percentage is 0.5%, and the surfactant is lauryl sodium sulfate, and its mass percent is 0.5%, and the emulsifying agent is fat
Fat alcohol APEO, its mass percent is 0.3%, and the mass percent of the diethanol amine is 5%, and remaining is water.
S4 is washed through twice；
S5 soaks 30 seconds in the neutralization reagent of normal temperature, and the neutralization reagent is the mixed liquor of sulfuric acid, iron chloride, nitric acid and water,
The mass percent of the sulfuric acid is 20%, and the mass percent of the iron chloride is 1%, and the mass percent of the nitric acid is
15%, remaining is water.
S6 is washed through twice；
S7 expanding treatments, soak 5 minutes, the expanding agent is the ethylenediamine that mass percent is 20% in the expanding agent of normal temperature
Sodium acetate that the sodium of tetraacethyl four, mass percent are 15%, mass percent are the apple that 5% sodium carbonate, mass percent are 2%
The lauryl sodium sulfate and the mixed liquor of water of acid, mass percent for 1%, its pH value is 10；
S8 is washed through twice；
S9 nanometered disposals, in temperature in 20 DEG C of nanometer reagent, operating voltage is 20V, nanometered disposal 12 minutes, the nanometer
Reagent is the mixed liquor of oxalic acid, sulfuric acid, phosphoric acid, disodium ethylene diamine tetraacetate and water, and the mass percent of the oxalic acid is 5%, institute
The mass percent for stating sulfuric acid is 8%, and the mass percent of the phosphoric acid is 25%, the quality of the disodium ethylene diamine tetraacetate
Percentage is 1%, and remaining is water.
S10 is washed through twice；
S11 soaks 1 minute in the adjustment of normal temperature table, and it is sodium tripolyphosphate, dodecyl sodium sulfate, sodium acetate, phosphoric acid that table, which is adjusted,
The mixed liquor of sodium dihydrogen, sodium metasilicate and water, the mass percent of the sodium tripolyphosphate is 2.5%, the dodecyl sodium sulfate
Mass percent be 0.5%, the mass percent of the sodium acetate is 1.5%, and the mass percent of the sodium dihydrogen phosphate is
15%, the mass percent of the sodium metasilicate is 1.5%, and remaining is water.
S12 is washed through twice, dried.
Embodiment two：A kind of 7 series alloys process of surface treatment, comprise the following steps：
S1 surface oxidation treatments, 7 series alloys are put into the oxidation trough for holding oxidising agent, and oxidant is that concentration is
190g/L sulfuric acid, temperature remains 18 DEG C, and oxidation trough cut-in operation voltage 17.5V is aoxidized 15 minutes.
7 series alloys of the S2 after step S1 by washing twice；
S3 is in temperature in 65 DEG C of oil removing reagent, oil removal treatment 2 minutes, oil removing reagent is alkali salt mixture, corrosion inhibiter, surface
Activating agent, emulsifying agent, the mixed liquor of diethanol amine and water, the alkali salt mixture is that mass ratio is 5：1 sodium tripolyphosphate and
The mixture of sodium citrate, the mass percent of shared oil removing reagent is 55%, and the corrosion inhibiter is anhydrous sodium metasilicate, quality
Percentage is 1%, and the surfactant is lauryl sodium sulfate, and its mass percent is 0.5%, and the emulsifying agent is fat
Alcohol APEO, its mass percent is 0.3%, and the mass percent of the diethanol amine is 5%, and remaining is water.
S4 is washed through twice；
S5 soaks 30 seconds in the neutralization reagent of normal temperature, and the neutralization reagent is the mixed liquor of sulfuric acid, iron chloride, nitric acid and water,
The mass percent of the sulfuric acid is 20%, and the mass percent of the iron chloride is 1%, and the mass percent of the nitric acid is
15%, remaining is water.
S6 is washed through twice；
S7 expanding treatments, soak 5 minutes, the expanding agent is the ethylenediamine that mass percent is 22% in the expanding agent of normal temperature
Sodium acetate that the sodium of tetraacethyl four, mass percent are 15%, mass percent are the apple that 5% sodium carbonate, mass percent are 2%
The lauryl sodium sulfate and the mixed liquor of water of acid, mass percent for 1%, its pH value is 11；
S8 is washed through twice；
S9 nanometered disposals, in temperature in 25 DEG C of nanometer reagent, operating voltage is 20V, nanometered disposal 10 minutes, the nanometer
Reagent is the mixed liquor of oxalic acid, sulfuric acid, phosphoric acid, disodium ethylene diamine tetraacetate and water, and the mass percent of the oxalic acid is 5%, institute
The mass percent for stating sulfuric acid is 10%, and the mass percent of the phosphoric acid is 25%, the quality of the disodium ethylene diamine tetraacetate
Percentage is 1%, and remaining is water.
S10 is washed through twice；
S11 soaks 1 minute in the adjustment of normal temperature table, and it is sodium tripolyphosphate, dodecyl sodium sulfate, sodium acetate, phosphoric acid that table, which is adjusted,
The mixed liquor of sodium dihydrogen, sodium metasilicate and water, the mass percent of the sodium tripolyphosphate is 2%, the dodecyl sodium sulfate
Mass percent is 0.5%, and the mass percent of the sodium acetate is 1.5%, and the mass percent of the sodium dihydrogen phosphate is
12%, the mass percent of the sodium metasilicate is 1.5%, and remaining is water.
S12 is washed through twice, dried.
Performance test：7 series alloys of two pieces of phase same materials are subjected to nano surface processing, table according to above-described embodiment
7 series alloys after the processing of face are placed on injection machine, after arrange parameter, and the aluminum products that surface is carried out after nanometered disposal are entered
Row injection molding.Injection parameterses include 305 DEG C of the nozzle temperature of injection machine, and 90 DEG C of hot runner mould temperature is molded back pressure
9.5KPa, the pulling capacity result between test plastic cement and 7 series alloys is as follows：
Pulling capacity result is tested under equal conditions as follows
| Pulling capacity/(N/cm2) | |
| Embodiment one | 1750 |
| Embodiment two | 1800 |
Aluminum products are made by above-described embodiment, its surface and resin bonding strength are extremely strong, pulling capacity 1500N/cm2More than, it is full
Foot is required.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than to present invention guarantor
The limitation of scope is protected, although being explained with reference to preferred embodiment to the present invention, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent substitution, without departing from the reality of technical solution of the present invention
Matter and scope.
Claims (7)
1. a kind of 7 series alloys process of surface treatment, it is characterised in that comprise the following steps：
S1 surface oxidation treatments, 7 series alloys are put into and held in oxidation trough of the temperature for 18-22 DEG C of oxidising agent, oxidation
Groove cut-in operation voltage, is aoxidized 12-15 minutes；
S2 is washed；
S3 carries out oil removal treatment, time 2-3 minute with 60-70 DEG C of oil removing reagent；
S4 is washed；
S5 soaks 30-60 seconds in the neutralization reagent of normal temperature；
S6 is washed；
S7 is put into the expanding agent that pH value is 9-11 and carries out expanding treatment, soaks 5-7 minutes at normal temperatures；
S8 is washed；
S9 carries out nanometered disposal, time 8-12 minute in temperature is 20-25 DEG C of nanometer reagent；
S10 is washed；
S11 soaks 1-2 minutes in the table of normal temperature is adjusted；
S12 washings, drying.
2. 7 series alloys process of surface treatment as claimed in claim 1, it is characterised in that the oxidising agent in step S1
The sulfuric acid for being 190g/L for concentration, operating voltage is 17.5V.
3. 7 series alloys process of surface treatment as claimed in claim 1, it is characterised in that the oil removing reagent in step S3
For alkali salt mixture, corrosion inhibiter, surfactant, emulsifying agent, diethanol amine and water, the mass percent of the alkali salt mixture
For 50-55%, the mass ratio of the corrosion inhibiter is 0.5-1%, and the mass percent of the surfactant is 0.5-1%, the breast
The mass percent of agent is 0.3-0.5%, and the mass percent of the diethanol amine is 3-5%, and remaining is water.
4. 7 series alloys process of surface treatment as claimed in claim 1, it is characterised in that the neutralization reagent in step S5
For the mixed liquor of sulfuric acid, iron chloride, nitric acid and water, the mass percent of the sulfuric acid is 20%, the quality percentage of the iron chloride
Than for 0.5-1%, the mass percent of the nitric acid is 15%, and remaining is water.
5. 7 series alloys process of surface treatment as claimed in claim 1, it is characterised in that the reaming reagent in step S7
For the mixed liquor of the sodium of ethylenediamine tetraacetic acid (EDTA) four, sodium acetate, sodium carbonate, malic acid, lauryl sodium sulfate and water, the ethylenediamine tetraacetic
The mass percent of the sodium of acetic acid four is 20%, and the mass percent of the sodium acetate is 15%, the mass percent of the sodium carbonate
For 5%, the mass percent of the malic acid is 2%, and the mass percent of the lauryl sodium sulfate is 1%, and remaining is water.
6. 7 series alloys process of surface treatment as claimed in claim 1, it is characterised in that the nanometer reagent in step S9
For the mixed liquor of oxalic acid, sulfuric acid, phosphoric acid, disodium ethylene diamine tetraacetate and water, the mass percent of the oxalic acid is 5%, described
The mass percent of sulfuric acid is 8%-10%, and the mass percent of the phosphoric acid is 25%, the matter of the disodium ethylene diamine tetraacetate
It is 1% to measure percentage, and remaining is water.
7. 7 series alloys process of surface treatment as claimed in claim 1, it is characterised in that it is three that table, which is adjusted, in step S11
Polyphosphate sodium, dodecyl sodium sulfate, sodium acetate, sodium dihydrogen phosphate, the mixed liquor of sodium metasilicate and water, the sodium tripolyphosphate
Mass percent is 2.5%, and the mass percent of the dodecyl sodium sulfate is 0.5%, the mass percent of the sodium acetate
For 1.5%, the mass percent of the sodium dihydrogen phosphate is 15%, and the mass percent of the sodium metasilicate is 1.5%, and remaining is water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611182334.0A CN107034507A (en) | 2016-12-20 | 2016-12-20 | 7 series alloys process of surface treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611182334.0A CN107034507A (en) | 2016-12-20 | 2016-12-20 | 7 series alloys process of surface treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107034507A true CN107034507A (en) | 2017-08-11 |
Family
ID=59531236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611182334.0A Pending CN107034507A (en) | 2016-12-20 | 2016-12-20 | 7 series alloys process of surface treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107034507A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109837577A (en) * | 2017-11-24 | 2019-06-04 | 鸿富锦精密电子（成都）有限公司 | The surface treatment method and pre-dyeing treatment agent of metal works |
| CN110983405A (en) * | 2019-11-20 | 2020-04-10 | 福建永强力加动力设备有限公司 | Treating agent applied to internal metal parts of internal combustion engine and preparation method thereof |
| CN111074320A (en) * | 2019-12-24 | 2020-04-28 | 托伦斯半导体设备启东有限公司 | Electrolyte for preparing aluminum alloy hard anodic oxide film and preparation method |
| CN111455428A (en) * | 2019-12-27 | 2020-07-28 | 重庆会通科技有限公司 | Aluminum alloy micro-pore-expanding agent and surface treatment method of aluminum alloy material |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304740A (en) * | 2011-08-05 | 2012-01-04 | 金安国纪科技（珠海）有限公司 | Processing method of aluminium base for copper clad laminate |
| CN103290450A (en) * | 2012-02-24 | 2013-09-11 | 比亚迪股份有限公司 | Preparation method of aluminum alloy resin composite and aluminum alloy resin composite |
| CN104149261A (en) * | 2014-06-19 | 2014-11-19 | 计爱婷 | Metal and resin binding method |
| CN104562139A (en) * | 2015-01-21 | 2015-04-29 | 苏州波耳化工材料有限公司 | Method for treating surface of metal integrated with plastic to form composite material as well as metal plastic composite |
| CN104713924A (en) * | 2014-10-27 | 2015-06-17 | 北京航空航天大学 | Alumina nano channel film, and preparation method and application method thereof |
| CN104962972A (en) * | 2015-07-22 | 2015-10-07 | 苏州道蒙恩电子科技有限公司 | Production method of combination of aluminium alloy and resin |
| CN105002542A (en) * | 2015-07-20 | 2015-10-28 | 东莞市镁汝澳金属表面处理材料有限公司 | Aluminum or aluminum alloy surface nanoscale treatment process |
| CN105112978A (en) * | 2015-09-30 | 2015-12-02 | 东莞市中泰模具股份有限公司塘厦分公司 | Aluminum alloy surface treatment agent and aluminum alloy surface treatment method |
| CN105332034A (en) * | 2015-10-19 | 2016-02-17 | 博罗县东明化工有限公司 | Surface treating agent for aluminum alloy and method for preparing nanopores in surface of aluminum alloy through surface treatment agent |
| CN105506703A (en) * | 2015-11-25 | 2016-04-20 | 广东长盈精密技术有限公司 | Preparation method of metal plastic compound |
-
2016
- 2016-12-20 CN CN201611182334.0A patent/CN107034507A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304740A (en) * | 2011-08-05 | 2012-01-04 | 金安国纪科技（珠海）有限公司 | Processing method of aluminium base for copper clad laminate |
| CN103290450A (en) * | 2012-02-24 | 2013-09-11 | 比亚迪股份有限公司 | Preparation method of aluminum alloy resin composite and aluminum alloy resin composite |
| CN104149261A (en) * | 2014-06-19 | 2014-11-19 | 计爱婷 | Metal and resin binding method |
| CN104713924A (en) * | 2014-10-27 | 2015-06-17 | 北京航空航天大学 | Alumina nano channel film, and preparation method and application method thereof |
| CN104562139A (en) * | 2015-01-21 | 2015-04-29 | 苏州波耳化工材料有限公司 | Method for treating surface of metal integrated with plastic to form composite material as well as metal plastic composite |
| CN105002542A (en) * | 2015-07-20 | 2015-10-28 | 东莞市镁汝澳金属表面处理材料有限公司 | Aluminum or aluminum alloy surface nanoscale treatment process |
| CN104962972A (en) * | 2015-07-22 | 2015-10-07 | 苏州道蒙恩电子科技有限公司 | Production method of combination of aluminium alloy and resin |
| CN105112978A (en) * | 2015-09-30 | 2015-12-02 | 东莞市中泰模具股份有限公司塘厦分公司 | Aluminum alloy surface treatment agent and aluminum alloy surface treatment method |
| CN105332034A (en) * | 2015-10-19 | 2016-02-17 | 博罗县东明化工有限公司 | Surface treating agent for aluminum alloy and method for preparing nanopores in surface of aluminum alloy through surface treatment agent |
| CN105506703A (en) * | 2015-11-25 | 2016-04-20 | 广东长盈精密技术有限公司 | Preparation method of metal plastic compound |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109837577A (en) * | 2017-11-24 | 2019-06-04 | 鸿富锦精密电子（成都）有限公司 | The surface treatment method and pre-dyeing treatment agent of metal works |
| CN110983405A (en) * | 2019-11-20 | 2020-04-10 | 福建永强力加动力设备有限公司 | Treating agent applied to internal metal parts of internal combustion engine and preparation method thereof |
| CN111074320A (en) * | 2019-12-24 | 2020-04-28 | 托伦斯半导体设备启东有限公司 | Electrolyte for preparing aluminum alloy hard anodic oxide film and preparation method |
| CN111455428A (en) * | 2019-12-27 | 2020-07-28 | 重庆会通科技有限公司 | Aluminum alloy micro-pore-expanding agent and surface treatment method of aluminum alloy material |
| CN111455428B (en) * | 2019-12-27 | 2022-01-21 | 重庆会通科技有限公司 | Aluminum alloy micro-pore-expanding agent and surface treatment method of aluminum alloy material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107034507A (en) | 7 series alloys process of surface treatment | |
| CN103820774A (en) | Stainless steel pickling passivation cream with high transparency and high viscosity and preparation method thereof | |
| CN103422083B (en) | High-efficiency one-step acid-washing stainless steel passivation cream | |
| CN104294291A (en) | Steel workpiece comprehensive treatment agent and preparation method thereof | |
| CN103882451B (en) | A kind of water base normal temperature rust-removing and antirusting agent and preparation method thereof | |
| CN104451727A (en) | Anti-rusting agent | |
| CN105002542A (en) | Aluminum or aluminum alloy surface nanoscale treatment process | |
| CN106591919B (en) | Aluminium material surface nanometered disposal technique | |
| CN109706464A (en) | A kind of neutrality rust remover and preparation method thereof | |
| CN103882439B (en) | A kind of water-soluble metal degreasing derusting rust-proofing liquid and preparation method thereof | |
| CN104891686A (en) | Aqueous softener | |
| CN103786040A (en) | Fixing method for mechanical workpiece machining | |
| CN103695920A (en) | Water-based metal rustproof liquid and preparation method thereof | |
| CN105951109A (en) | Rust remover | |
| CN104404578B (en) | A kind of method that workpiece is carried out electrodeposited chromium processing | |
| CN105018945A (en) | Environmental-friendly metal surface treatment fluid | |
| CN103695922A (en) | Low-temperature rust cleaning water-soluble antirust liquor and preparation method thereof | |
| CN105543937B (en) | A kind of stainless steel cooker electrolytic passivation liquid and its passivation process | |
| CN104261697B (en) | A kind of third time reinforcement process of display screen touch-control glass | |
| TW201723232A (en) | Rust-removal composition and acidic rust-removal method using same which comprises: phosphoric aqueous solution, polyacid, polyol aqueous solution, polyphosphate, corrosion inhibitor, surfactant and water | |
| CN105568304A (en) | Dewaxing fluid for cleaning metal product | |
| CN103320804B (en) | A kind of acid cleaning process of zirconium material pickle solution | |
| CN107988608A (en) | A kind of rust remover and its derusting process suitable for steel precision component | |
| CN108220977A (en) | A kind of rust-proof agent for oil and rust removing and preparation method and application | |
| CN108453212B (en) | Chain production process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170811 |
|
| RJ01 | Rejection of invention patent application after publication |