CN113957307A - Corrosion-resistant flange - Google Patents
Corrosion-resistant flange Download PDFInfo
- Publication number
- CN113957307A CN113957307A CN202111179670.0A CN202111179670A CN113957307A CN 113957307 A CN113957307 A CN 113957307A CN 202111179670 A CN202111179670 A CN 202111179670A CN 113957307 A CN113957307 A CN 113957307A
- Authority
- CN
- China
- Prior art keywords
- coating
- corrosion
- flange
- raw materials
- resistant flange
- 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
- 238000005260 corrosion Methods 0.000 title claims abstract description 24
- 230000007797 corrosion Effects 0.000 title claims abstract description 24
- 239000011248 coating agent Substances 0.000 claims abstract description 37
- 238000000576 coating method Methods 0.000 claims abstract description 37
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 8
- 238000003723 Smelting Methods 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- 238000007670 refining Methods 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract 2
- 238000001035 drying Methods 0.000 claims abstract 2
- 238000005303 weighing Methods 0.000 claims abstract 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 48
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 25
- 230000003647 oxidation Effects 0.000 claims description 24
- 238000007254 oxidation reaction Methods 0.000 claims description 24
- 230000000052 comparative effect Effects 0.000 description 10
- 238000007747 plating Methods 0.000 description 6
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
-
- 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
- C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
- C25D11/10—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing organic acids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B1/00—Devices for securing together, or preventing relative movement between, constructional elements or machine parts
- F16B1/02—Means for securing elements of mechanisms after operation
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention belongs to the field of machinery, and particularly relates to a corrosion-resistant flange which is made of aluminum alloy, wherein the corrosion-resistant flange is prepared by weighing raw materials including 1.5-1.6 wt% of Mg1.6 wt%, 1.6-1.7 wt% of Cu1.12-0.13 wt% of Fe0.12-0.13 wt% of Zn6.5-6.8 wt% of Si0.4-0.45 wt% and the balance Al, uniformly mixing the raw materials with a refining agent, drying, adding the raw materials into a smelting furnace, smelting and cooling to prepare an ingot, performing deformation treatment to prepare a flange original, and coating the surface of the flange original to prepare the corrosion-resistant flange.
Description
Technical Field
The invention belongs to the field of automobile industry, and particularly relates to a corrosion-resistant flange, belonging to the technical field of machinery.
Background
In the prior art, a flange is a common mechanical part, various flanges are connected with parts of an automobile in the automobile, and the flange is influenced by severe environments in the working process, particularly acid and alkali environments and the like, so that the flange is easy to break, the service life of the flange is shortened, and safety accidents are easy to occur.
Disclosure of Invention
In order to solve the problems, the invention provides a corrosion-resistant flange which has the advantages of corrosion resistance and long service life.
The scheme provided by the invention is as follows:
a corrosion-resistant flange is made of aluminum alloy, and comprises, by weight, 1.5-1.6% of Mg1.6%, 1.6-1.7% of Cu1.6%, 0.12-0.13% of Fe0.5-6.8% of Zn6.4-0.45% of Si0.4-0.45% and the balance of Al, raw materials are weighed, then the raw materials and a refining agent are uniformly mixed and dried, the raw materials are added into a smelting furnace, the raw materials are smelted and cooled to form an ingot, deformation treatment is carried out to form a flange original piece, and the surface of the flange original piece is coated with a film to form the corrosion-resistant flange.
Further, the coating is an oxidation coating, and the coating liquid is a mixed liquid of citric acid and sulfuric acid.
Further, the coating liquid is a mixed liquid of citric acid and sulfuric acid, wherein the mass percent of the sulfuric acid is 2.5-3%, and the mass percent of the citric acid is 10-12%.
Further, the voltage of the oxidation coating is 15-17V.
Further, the oxidation time of the oxidation coating is 50-55 min.
Further, during the oxidation coating, the temperature of the coating liquid is 40-45 ℃.
The invention has the advantages that: the prepared flange is corrosion resistant, long in service life and good in practical value.
Detailed Description
Example 1
A corrosion-resistant flange is made of aluminum alloy, and comprises, by weight, 1.5% of Mg1.5%, 1.6% of Cu1.12%, 0.12% of Fe0.5%, 6.5% of Zn0.4%, and the balance of Al, raw materials are weighed, then the raw materials and a refining agent are uniformly mixed and dried, the raw materials are added into a smelting furnace, and are smelted and cooled to form an ingot, and then are subjected to deformation treatment to be processed into a flange original, and the surface of the flange original is coated with a film to form the corrosion-resistant flange.
The coating is an oxidation coating, and the coating liquid is a mixed liquid of citric acid and sulfuric acid.
The coating liquid is a mixed liquid of citric acid and sulfuric acid, wherein the mass percent of the sulfuric acid is 2.5%, and the mass percent of the citric acid is 10%.
The voltage of the oxide coating was 15V.
The oxidation time of the oxidation coating is 50 min.
And during the oxidation coating, the temperature of the coating liquid is 40 ℃.
Example 2
A corrosion-resistant flange is made of aluminum alloy, and comprises, by weight, 1.6% of Mg1.7%, 1.7% of Cu0.13%, 6.8% of ZnSi, 0.45% of Si0, and the balance of Al, raw materials are weighed, then the raw materials and a refining agent are uniformly mixed and dried, the raw materials are added into a smelting furnace, and are smelted and cooled to form an ingot, the ingot is formed by deformation treatment, a flange original is formed, and the corrosion-resistant flange is formed after the surface of the flange original is coated with a film.
The coating is an oxidation coating, and the coating liquid is a mixed liquid of citric acid and sulfuric acid.
The coating liquid is a mixed liquid of citric acid and sulfuric acid, wherein the mass percent of the sulfuric acid is 3%, and the mass percent of the citric acid is 12%.
The voltage of the oxidized plating film was 17V.
The oxidation time of the oxidation plating film was 55 min.
The temperature of the coating liquid is 45 ℃.
Example 3
A corrosion-resistant flange is made of aluminum alloy, and comprises, by weight, 1.55% of Mg1, 1.65% of Cu1, 0.125% of Fe0, 6.6% of Zn6, 0.43% of Si0, and the balance of Al, raw materials are weighed, then the raw materials and a refining agent are uniformly mixed and dried, the raw materials are added into a smelting furnace, and are smelted and cooled to form an ingot, the ingot is formed by deformation treatment, a flange original is formed, and the corrosion-resistant flange is formed after the surface of the flange original is coated with a film.
The coating is an oxidation coating, and the coating liquid is a mixed liquid of citric acid and sulfuric acid.
The coating liquid is a mixed liquid of citric acid and sulfuric acid, wherein the mass percent of the sulfuric acid is 2.8%, and the mass percent of the citric acid is 11%.
The voltage of the oxidized plating film was 16V.
The oxidation time of the oxidation plating film was 53 min.
When in oxidation coating, the temperature of the coating liquid is 42 ℃.
Comparative example 1
The comparative example differs from example 1 in that the aluminum alloy is a normal aluminum alloy.
Comparative example 2
The comparative example differs from example 1 by 5% by mass of sulfuric acid.
Comparative example 3
The difference between the comparative example and the example 1 is that the mass percent of the citric acid is 13 percent.
Comparative example 4
The comparative example differs from example 1 in that the voltage of the oxidation plating film was 18V.
Comparative example 5
The comparative example differs from example 1 in that the oxidation time of the oxidation plating film was 70 min.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a corrosion-resistant flange, uses the aluminum alloy to make its characterized in that: weighing raw materials including 1.5-1.6 wt% of Mg1.6 wt%, 1.6-1.7 wt% of Cu0.12-0.13 wt%, 6.5-6.8 wt% of Zn0.4-0.45 wt% and the balance of Al, uniformly mixing the raw materials with a refining agent, drying, adding the raw materials into a smelting furnace, smelting and cooling to prepare an ingot, performing deformation treatment to prepare a flange original, and coating the surface of the flange original to prepare the corrosion-resistant flange.
2. A corrosion resistant flange according to claim 1 wherein: the coating is an oxidation coating, and the coating liquid is a mixed liquid of citric acid and sulfuric acid.
3. A corrosion resistant flange according to claim 2 wherein: the coating liquid is a mixed liquid of citric acid and sulfuric acid, wherein the mass percent of the sulfuric acid is 2.5-3%, and the mass percent of the citric acid is 10-12%.
4. A corrosion resistant flange according to claim 1 wherein: the voltage of the oxidation coating is 15-17V.
5. A corrosion resistant flange according to claim 1 wherein: the oxidation time of the oxidation coating is 50-55 min.
6. A corrosion resistant flange according to claim 1 wherein: and during the oxidation coating, the temperature of the coating liquid is 40-45 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111179670.0A CN113957307A (en) | 2021-10-08 | 2021-10-08 | Corrosion-resistant flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111179670.0A CN113957307A (en) | 2021-10-08 | 2021-10-08 | Corrosion-resistant flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113957307A true CN113957307A (en) | 2022-01-21 |
Family
ID=79463346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111179670.0A Pending CN113957307A (en) | 2021-10-08 | 2021-10-08 | Corrosion-resistant flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113957307A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101484603A (en) * | 2006-07-07 | 2009-07-15 | 阿勒里斯铝业科布伦茨有限公司 | AA7000-series aluminium alloy products and a method of manufacturing thereof |
| CN106322022A (en) * | 2016-08-30 | 2017-01-11 | 宁波市鄞州唯达汽车配件厂（普通合伙） | Aluminum-casting flange plate |
-
2021
- 2021-10-08 CN CN202111179670.0A patent/CN113957307A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101484603A (en) * | 2006-07-07 | 2009-07-15 | 阿勒里斯铝业科布伦茨有限公司 | AA7000-series aluminium alloy products and a method of manufacturing thereof |
| CN106322022A (en) * | 2016-08-30 | 2017-01-11 | 宁波市鄞州唯达汽车配件厂（普通合伙） | Aluminum-casting flange plate |
Non-Patent Citations (1)
| Title |
|---|
| 谢水生等: "《简明铝合金加工手册》", 31 December 2016 * |
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| 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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220121 |