CN114151711A - High-strength anti-fracture corrosion-resistant composite aluminum pipe and production process thereof - Google Patents
High-strength anti-fracture corrosion-resistant composite aluminum pipe and production process thereof Download PDFInfo
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- CN114151711A CN114151711A CN202111418293.1A CN202111418293A CN114151711A CN 114151711 A CN114151711 A CN 114151711A CN 202111418293 A CN202111418293 A CN 202111418293A CN 114151711 A CN114151711 A CN 114151711A
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 171
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 168
- 239000002131 composite material Substances 0.000 title claims abstract description 37
- 238000005260 corrosion Methods 0.000 title claims abstract description 33
- 230000007797 corrosion Effects 0.000 title claims abstract description 23
- 230000002968 anti-fracture Effects 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 17
- 238000000576 coating method Methods 0.000 claims abstract description 17
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 238000000137 annealing Methods 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 4
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000004925 Acrylic resin Substances 0.000 claims description 3
- 229920000178 Acrylic resin Polymers 0.000 claims description 3
- 238000003723 Smelting Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 239000004094 surface-active agent Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 238000005336 cracking Methods 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 9
- 238000007789 sealing Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
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- 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
- F16S—CONSTRUCTIONAL ELEMENTS IN GENERAL; STRUCTURES BUILT-UP FROM SUCH ELEMENTS, IN GENERAL
- F16S3/00—Elongated members, e.g. profiled members; Assemblies thereof; Gratings or grilles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C3/00—Selection of compositions for coating the surfaces of moulds, cores, or patterns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
Abstract
The invention relates to the technical field of aluminum pipes, in particular to a high-strength anti-fracture corrosion-resistant composite aluminum pipe and a production process thereof. The technical scheme is mainly used for solving the problems of poor corrosion resistance and easiness in breakage of the conventional aluminum pipe and comprises the following steps: the aluminum pipe comprises an aluminum pipe body, the aluminum pipe body comprises an aluminum pipe inner layer, an anticorrosive coating is processed on the outer surface of the aluminum pipe inner layer, a supporting mechanism is arranged inside the aluminum pipe inner layer and comprises supporting columns, a plurality of supporting plates are connected to the outer surface of each supporting column at equal intervals, and a plurality of fan-shaped balance plates are connected between every two adjacent supporting plates. The anti-cracking aluminum pipe has high strength and anti-cracking performance, has good stability when in use, and the side cover is arranged on one side of the aluminum pipe body, which is combined with the aluminum pipe body, of which the anti-corrosion coating is sprayed on the outer surface of the aluminum pipe body, so that the aluminum pipe has good anti-corrosion performance, and the service life and the use safety of the aluminum pipe are prolonged.
Description
Technical Field
The invention relates to the technical field of aluminum pipes, in particular to a high-strength anti-fracture corrosion-resistant composite aluminum pipe and a production process thereof.
Background
The aluminum pipe is one of nonferrous metal pipes, and is a metal tubular material which is processed by pure aluminum or aluminum alloy through extrusion and is hollow along the longitudinal full length of the aluminum pipe; the existing aluminum tubes can have one or more closed through-holes, uniform wall thickness and cross-section, and can be delivered in a straight line or in a roll. The method is widely applied to the industries of automobiles, ships, aerospace, aviation, electrical appliances, agriculture, electromechanics, home furnishing and the like; in the prior art, most of aluminum tubes are hollow, and the aluminum tubes deform under the action of external force when in use and even break under severe conditions, so that certain potential safety hazards exist in the use process; if thick walled or solid aluminium tubes are used, this can be very expensive to produce; in view of the above problems, we provide a high-strength anti-fracture corrosion-resistant composite aluminum pipe.
Disclosure of Invention
The invention aims to provide a high-strength anti-fracture corrosion-resistant composite aluminum pipe and a production process thereof, aiming at the problems in the background art.
The technical scheme of the invention is as follows: the utility model provides a cracked compound aluminum pipe of anticorrosive is prevented to high strength, includes the aluminum pipe body, the aluminum pipe body includes the aluminum pipe inlayer, the surface processing of aluminum pipe inlayer has anticorrosive coating, the inside on aluminum pipe inlayer sets up supporting mechanism, supporting mechanism includes the support column, the surface equidistance of support column is connected with a plurality of backup pads, all is connected with a plurality of fan-shaped balance plates between two adjacent backup pads.
Preferably, a plurality of connecting inner grooves are formed in the inner circumferential surface of the inner layer of the aluminum pipe, and the supporting plates are clamped in the connecting inner grooves respectively.
Preferably, the length of the supporting column is less than that of the inner layer of the aluminum pipe, and the lengths of the connecting inner grooves are the same and are all less than that of the inner layer of the aluminum pipe.
Preferably, the outer arc surfaces of the fan-shaped balance plates are in contact with the inner circumferential surface of the inner layer of the aluminum pipe.
Preferably, one end of the inner layer of the aluminum pipe is connected with an annular connecting block, the other end of the inner layer of the aluminum pipe is provided with an annular groove, and the annular connecting blocks can be connected in the corresponding annular grooves in an inosculating manner.
Preferably, the outer end of the aluminum pipe body is connected with a side cover, the inner surface of the side cover is connected with a sealing ring, and the sealing ring is matched and connected with the annular groove.
Preferably, the threaded connection groove is formed in one end of the supporting column, a threaded connection block is connected to the middle of the inner surface of the side cover, and the threaded connection block is connected to the inside of the threaded connection groove in a threaded mode.
Preferably, the outer surface of the side cover is provided with a groove, and a cross-shaped operation block is connected in the groove.
The production process of the high-strength anti-fracture corrosion-resistant composite aluminum pipe specifically comprises the following steps:
step S1: adding a composite aluminum raw material into a smelting furnace, and heating until the composite aluminum raw material is completely melted to obtain composite aluminum liquid, wherein the composite aluminum raw material comprises aluminum powder, cross-linked polyethylene and polyethylene;
step S2: uniformly spraying an anticorrosive coating on the inner wall of the mold, wherein the anticorrosive coating comprises acrylic resin, a surfactant and polyethylene;
step S3: injecting the composite aluminum liquid into a mold at a proper injection temperature and a proper injection speed, wherein the composite aluminum liquid is kept full during injection;
step S4: after the mould is condensed for a certain time, obtaining an aluminum pipe blank after the mould is formed and demoulded;
step S5: and polishing the aluminum pipe blank to enable the outer surface of the aluminum pipe blank to be smooth and flat.
Preferably, step S3 further includes the steps of:
step S31: and carrying out uniform annealing at the annealing temperature of 300-345 ℃ for 1.5-2 h.
Compared with the prior art, the invention has the following beneficial technical effects:
1. the supporting mechanism is arranged in the inner layer of the aluminum pipe, so that the whole aluminum pipe body has a high-strength anti-fracture effect, the supporting plates can support the inner wall of the inner layer of the aluminum pipe, and the inner wall of the inner layer of the aluminum pipe can have a good stress effect by combining the fan-shaped balance plates, so that the inner layer of the aluminum pipe can be kept in a complete state under the condition of external force collision and is not easy to deform;
2. the inner layer of the aluminum pipe is processed and manufactured by the composite aluminum raw material, so that the cracking resistance of the inner layer of the aluminum pipe is improved, and the inner layer of the aluminum pipe has high-strength cracking resistance in the using process;
3. the outer surface of the inner layer of the aluminum pipe is processed with the anticorrosive coating, so that the aluminum pipe body has good corrosion resistance, and the service life of the aluminum pipe body can be prolonged;
4. the side cover is arranged on one side of the aluminum pipe body, and the side cover can achieve a sealing effect on the interior of the aluminum pipe body, so that the whole aluminum pipe body further achieves an anti-corrosion effect;
5. in conclusion, the anti-cracking aluminum pipe has high strength and anti-cracking performance, has good stability in use, and is provided with the side cover at one side, which is sprayed with the anti-corrosion coating and combined with the aluminum pipe body, so that the aluminum pipe has good anti-corrosion performance, and the service life and the use safety of the aluminum pipe are prolonged.
Drawings
FIG. 1 is a schematic view showing the internal structure of a high-strength fracture-preventing corrosion-resistant composite aluminum pipe;
FIG. 2 is a schematic structural view of the support mechanism of FIG. 1;
FIG. 3 is a partial cross-sectional view of the inner layer of the aluminum tube of Medium 1;
FIG. 4 is a front view of the present invention;
fig. 5 is a schematic view of the reverse structure of the side cover of fig. 4.
Reference numerals: 1. an aluminum pipe body; 2. an anti-corrosion coating; 3. an inner layer of an aluminum pipe; 4. an annular groove; 5. a support mechanism; 501. a support pillar; 502. a support plate; 503. a sector balance plate; 6. an annular connecting block; 7. a side cover; 8. a seal ring; 9. a threaded connection block; 10. connecting grooves by screw threads; 11. connecting the inner grooves; 12. a groove; 13. a cross operating block.
Detailed Description
The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.
Example one
As shown in fig. 1 and 2, the high-strength anti-fracture anti-corrosion composite aluminum pipe provided by the invention comprises an aluminum pipe body 1, wherein the aluminum pipe body 1 comprises an aluminum pipe inner layer 3, an anti-corrosion coating 2 is processed on the outer surface of the aluminum pipe inner layer 3, a supporting mechanism 5 is arranged inside the aluminum pipe inner layer 3, the supporting mechanism 5 comprises a supporting column 501, a plurality of supporting plates 502 are equidistantly connected to the outer surface of the supporting column 501, in combination with fig. 3, a plurality of connecting inner grooves 11 are formed in the inner circumferential surface of the aluminum pipe inner layer 3, the plurality of supporting plates 502 are respectively clamped in the plurality of connecting inner grooves 11, the inner circumferential surface of the aluminum pipe inner layer 3 can be supported, a plurality of fan-shaped balance plates 503 are respectively connected between two adjacent supporting plates 502, the outer arc surfaces of the fan-shaped balance plates 503 are respectively contacted with the inner circumferential surface of the aluminum pipe inner layer 3, and can further support the aluminum pipe inner layer 3, the inner layer 3 of the aluminum pipe has stronger impact resistance and better stability; the length of the supporting column 501 is less than that of the inner layer 3 of the aluminum pipe, the lengths of the plurality of connecting inner grooves 11 are the same and are all less than that of the inner layer 3 of the aluminum pipe, so that the supporting mechanism 5 can be stably connected in the inner layer 3 of the aluminum pipe, and when the plurality of supporting plates 502 are abutted against the bottom ends of the plurality of connecting inner grooves 11, the supporting mechanism 5 is in a matched connection state; one end of the inner aluminum pipe layer 3 is connected with an annular connecting block 6, the other end of the inner aluminum pipe layer 3 is provided with an annular groove 4, and the annular connecting blocks 6 can be connected in the corresponding annular grooves 4 in an inosculating manner; when the aluminum pipe body 1 is installed, the plurality of aluminum pipe bodies 1 are connected together to form a longer aluminum pipe, one side of the aluminum pipe body 1 at one end of the longer aluminum pipe is connected with the side cover 7, the sealing ring 8 at one side of the side cover 7 is connected in the corresponding annular groove 4 in an inosculating manner, the corresponding annular connecting block 6 between every two adjacent aluminum pipe bodies 1 is inserted into the corresponding annular groove 4, the annular connecting block 6 is not arranged on one side of the aluminum pipe body 1 at the other end of the whole aluminum pipe, and both ends of the combined long aluminum pipe are enabled to have flat contact surfaces, so that construction operation is facilitated.
In the embodiment, the anticorrosive coating 2 is processed on the outer surface of the inner layer 3 of the aluminum pipe, so that the anticorrosive coating 2 can have a good anticorrosive protection effect on the inner layer 3 of the aluminum pipe; a plurality of connecting inner grooves 11 are formed in the inner surface of the aluminum pipe inner layer 3, and a plurality of support plates 502 are respectively inserted into the connecting inner grooves 11 and clamped in the connecting inner grooves 11; after the aluminum pipe is installed, the fan-shaped balance plates 503 are in contact with the inner surface of the inner layer 3 of the aluminum pipe, so that the inner wall of the inner layer 3 of the aluminum pipe can be supported, the deformation of the inner layer 3 of the aluminum pipe can be effectively prevented, the whole aluminum pipe body 1 is ingenious in structural design, compared with the existing aluminum pipe, the anti-corrosion performance and the anti-fracture performance are greatly improved, the production cost is low, and the aluminum pipe is used for having good safety performance.
Example two
As shown in fig. 1 and 4, the present invention provides a high-strength anti-fracture corrosion-resistant composite aluminum pipe, which includes: the aluminum pipe comprises an aluminum pipe body 1, wherein the aluminum pipe body 1 comprises an aluminum pipe inner layer 3, an anticorrosive coating 2 is processed on the outer surface of the aluminum pipe inner layer 3, a supporting mechanism 5 is arranged inside the aluminum pipe inner layer 3, the supporting mechanism 5 comprises supporting columns 501, a plurality of supporting plates 502 are connected to the outer surface of each supporting column 501 at equal intervals, and a plurality of fan-shaped balance plates 503 are connected between every two adjacent supporting plates 502; the outer end of the aluminum pipe body 1 is connected with a side cover 7, the inner surface of the side cover 7 is connected with a sealing ring 8, and the sealing ring 8 is matched and connected with the annular groove 4; one end of the supporting column 501 is provided with a threaded connecting groove 10, the middle part of the inner surface of the side cover 7 is connected with a threaded connecting block 9, and the threaded connecting block 9 is in threaded connection with the threaded connecting groove 10; with reference to fig. 5, a groove 12 is formed in the outer surface of the side cover 7, a cross operation block 13 is connected in the groove 12, so that the side cover 7 can be operated conveniently, the side cover 7 can be rotated by holding the cross operation block 13 by hand, and the cross operation block 13 is arranged in the groove 12, so that the installation and connection of one end of the side cover 7 are not affected; after whole long aluminum pipe splices, connect side cap 7 in one side of aluminum pipe body 1, make threaded connection piece 9 threaded connection in threaded connection groove 10, after threaded connection piece 9 is connected to threaded connection groove 10 completely, sealing washer 8 of side cap 7 one side will be in joint to corresponding ring channel 4 to can play sealed effect to the aluminum pipe, can further play anticorrosive effect to the inside of aluminum pipe.
EXAMPLE III
The production process of the high-strength anti-fracture corrosion-resistant composite aluminum pipe provided by the invention specifically comprises the following steps:
step S1: adding a composite aluminum raw material into a smelting furnace, heating to be completely melted to obtain composite aluminum liquid, wherein the composite aluminum raw material comprises aluminum powder, cross-linked polyethylene and polyethylene, and the cross-linked polyethylene can enable the inner layer 3 of the aluminum pipe to have good environmental stress cracking resistance and corrosion resistance and can also improve the temperature resistance to a certain extent;
step S2: a layer of anticorrosive coating 2 is uniformly sprayed on the inner wall of the die, and the anticorrosive coating 2 comprises acrylic resin, a surfactant and polyethylene, so that the inner layer 3 of the aluminum tube has a good anticorrosive effect, and the service life of the whole aluminum tube body 1 can be prolonged;
step S3: injecting the composite aluminum liquid into a mold at a proper injection temperature and a proper injection speed, wherein the injection is kept full during the injection, and the injected raw materials are kept uniform and smooth in density, so that the quality of the obtained aluminum pipe is ensured;
step S4: after the mould is condensed for a certain time, obtaining an aluminum pipe blank after the mould is formed and demoulded;
step S5: and polishing the aluminum pipe blank to enable the outer surface of the aluminum pipe blank to be smooth and flat.
Step S3 includes step S31: and carrying out uniform annealing at the annealing temperature of 300-345 ℃ for 1.5-2 h.
Compared with the processing technology in the prior art, the whole processing technology shortens the processing time, saves energy, has good quality of the obtained product, reduces the production cost of the aluminum pipe, ensures that the aluminum pipe has very good cracking resistance and corrosion resistance, and improves the safety of the aluminum pipe in use.
The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.
Claims (10)
1. The utility model provides a fracture is prevented to high strength compound aluminum pipe of anticorrosive, includes aluminum pipe body (1), its characterized in that: the aluminum pipe is characterized in that the aluminum pipe body (1) comprises an aluminum pipe inner layer (3), an anti-corrosion coating (2) is processed on the outer surface of the aluminum pipe inner layer (3), a supporting mechanism (5) is arranged inside the aluminum pipe inner layer (3), the supporting mechanism (5) comprises a supporting column (501), a plurality of supporting plates (502) are connected to the outer surface of the supporting column (501) in an equidistant mode, and a plurality of fan-shaped balance plates (503) are connected between every two adjacent supporting plates (502).
2. The high-strength anti-fracture corrosion-resistant composite aluminum pipe as recited in claim 1, wherein a plurality of connecting inner grooves (11) are formed in an inner circumferential surface of the aluminum pipe inner layer (3), and the plurality of support plates (502) are respectively clamped in the plurality of connecting inner grooves (11).
3. The high-strength fracture-preventing corrosion-resistant composite aluminum pipe as recited in claim 2, wherein the length of the support columns (501) is less than the length of the aluminum pipe inner layer (3), and the lengths of the plurality of connecting inner grooves (11) are the same and are all less than the length of the aluminum pipe inner layer (3).
4. The high-strength fracture-preventing corrosion-resistant composite aluminum pipe according to claim 1 or 2, wherein the outer arc surfaces of the plurality of sector balance plates (503) are in contact with the inner circumferential surface of the inner layer (3) of the aluminum pipe.
5. The high-strength anti-fracture corrosion-resistant composite aluminum pipe according to claim 4, wherein one end of the aluminum pipe inner layer (3) is connected with an annular connecting block (6), the other end of the aluminum pipe inner layer (3) is provided with an annular groove (4), and the annular connecting block (6) can be connected in the corresponding annular groove (4) in an anastomotic manner.
6. The high-strength fracture-preventing corrosion-resistant composite aluminum pipe according to claim 1, wherein a side cover (7) is attached to an outer end of the aluminum pipe body (1), a seal ring (8) is attached to an inner surface of the side cover (7), and the seal ring (8) is fitted and attached to the annular groove (4).
7. The high-strength fracture-preventing corrosion-resistant composite aluminum pipe according to claim 6, wherein one end of the support column (501) is provided with a threaded connection groove (10), a threaded connection block (9) is connected to the middle portion of the inner surface of the side cover (7), and the threaded connection block (9) is screwed in the threaded connection groove (10).
8. The high-strength fracture-preventing corrosion-resistant composite aluminum pipe according to claim 7, wherein a groove (12) is formed in an outer surface of the side cover (7), and a cross operation block (13) is connected to the groove (12).
9. A production process of a high-strength anti-fracture corrosion-resistant composite aluminum pipe is characterized by comprising the following steps:
step S1: adding a composite aluminum raw material into a smelting furnace, and heating until the composite aluminum raw material is completely melted to obtain composite aluminum liquid, wherein the composite aluminum raw material comprises aluminum powder, cross-linked polyethylene and polyethylene;
step S2: uniformly spraying a layer of anticorrosive coating (2) on the inner wall of the die, wherein the anticorrosive coating (2) comprises acrylic resin, a surfactant and polyethylene;
step S3: injecting the composite aluminum liquid into a mold at a proper injection temperature and a proper injection speed, wherein the composite aluminum liquid is kept full during injection;
step S4: after the mould is condensed for a certain time, obtaining an aluminum pipe blank after the mould is formed and demoulded;
step S5: and polishing the aluminum pipe blank to enable the outer surface of the aluminum pipe blank to be smooth and flat.
10. The process of producing a high-strength fracture-resistant corrosion-resistant composite aluminum pipe as recited in claim 9, wherein the step S3 further includes the steps of:
step S31: and carrying out uniform annealing at the annealing temperature of 300-345 ℃ for 1.5-2 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111418293.1A CN114151711A (en) | 2021-11-26 | 2021-11-26 | High-strength anti-fracture corrosion-resistant composite aluminum pipe and production process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111418293.1A CN114151711A (en) | 2021-11-26 | 2021-11-26 | High-strength anti-fracture corrosion-resistant composite aluminum pipe and production process thereof |
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| CN109909315A (en) * | 2019-03-28 | 2019-06-21 | 中铝材料应用研究院有限公司 | A kind of processing technology of high-precision thin-walled fine aluminium or aluminium alloy pipe |
| CN211106041U (en) * | 2019-11-12 | 2020-07-28 | 天津达升铝制品有限公司 | High-strength anti-fracture composite aluminum pipe |
| CN213394575U (en) * | 2020-06-28 | 2021-06-08 | 江西泰安铝业有限公司 | Corrosion-resistant super-weather-resistant aluminum alloy profile |
| CN213177128U (en) * | 2020-08-27 | 2021-05-11 | 嘉兴市兴达铝业股份有限公司 | High-temperature-resistant circular aluminum pipe |
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