CN107035271A - A kind of aluminum alloy doorframe - Google Patents
A kind of aluminum alloy doorframe Download PDFInfo
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- CN107035271A CN107035271A CN201710447834.0A CN201710447834A CN107035271A CN 107035271 A CN107035271 A CN 107035271A CN 201710447834 A CN201710447834 A CN 201710447834A CN 107035271 A CN107035271 A CN 107035271A
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Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/04—Frames for doors, windows, or the like to be fixed in openings
- E06B1/52—Frames specially adapted for doors
-
- 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
-
- 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
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Wing Frames And Configurations (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Joining Of Corner Units Of Frames Or Wings (AREA)
Abstract
The invention provides a kind of aluminum alloy doorframe, including aluminum alloy base material and the functional coating for being coated in aluminum alloy base material surface, aluminum alloy base material is according to following parts by weight dispensing：58 parts of silicon, 6 10 parts of nickel, 58 parts of chromium, 12 parts of copper, 0.5 1 parts of iron, 12 parts of manganese, 12 parts of magnesium, 12 parts of zinc, 0.5 1 parts of titanium, calcium≤200ppm, 0 0.2 parts of lead, 0 0.05 parts of cadmium, remaining is aluminium；Functional coating include 20 50 parts of butadiene rubber, 20 50 parts of filler, 8 10 parts of plasticiser, 3 10 parts of coupling agent, the filler is according to following mass percent dispensing：Alumina silica titanium composite material 30 60%, manganese dioxide 20 40% and silica 10 40%；The lubricant is organic silicone oil, and the coupling agent is the oleic acid acyloxy titanate esters of isopropyl three, and the plasticiser is the m-methyl benzoic acid ester of diethylene glycol two.Surface strength of the present invention is high, and corrosion-resistant scratch resistance is good, good appearance.
Description
Technical field
The present invention relates to technical field of aluminum alloy technology, and in particular to a kind of aluminum alloy doorframe.
Background technology
Aluminum alloy materials are because its proportion is small, good endurance and the features such as be easily worked, and are widely used in various structures
In.Aluminum alloy doorframe is by surface-treated aluminium alloy extrusions, through processing technologys such as blanking, punching, groove milling, tapping, making
The doorframe component that face is fabricated to, then combined be assembled together with connector, encapsulant and opening and closing Hardware fitting.Due to being straight
Connect and be made of aluminium alloy, be easy to be scratched by foreign object extension when in use, cause aluminum alloy doorframe damaged surfaces, profile is not beautiful
See, service life is short.
The content of the invention
The purpose of the present invention is high there is provided a kind of surface strength for problem of the prior art, and the aluminium of wear resistant corrosion resistant is closed
Jinmen frame.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of aluminum alloy doorframe, including aluminum alloy base material and the functional coating for being coated in aluminum alloy base material surface, it is characterised in that
The aluminum alloy base material is according to following parts by weight dispensing：5-8 parts of silicon, 6-10 parts of nickel, 5-8 parts of chromium, 1-2 parts of copper, 0.5-1 parts of iron,
1-2 parts of manganese, 1-2 parts of magnesium, 1-2 parts of zinc, 0.5-1 parts of titanium, calcium≤200ppm, 0-0.2 parts of lead, 0-0.05 parts of cadmium, remaining is aluminium；
The functional coating include 20-50 parts of butadiene rubber, 20-50 parts of filler, 8-10 parts of plasticiser, 3-10 parts of coupling agent,
The filler is according to following mass percent dispensing：Aluminium oxide-titanium dioxide composite 30-60%, manganese dioxide 20-40%
With silica 1 0-40%；The lubricant is organic silicone oil, and the coupling agent is the oleic acid acyloxy titanate esters of isopropyl three, institute
Plasticiser is stated for the m-methyl benzoic acid ester of diethylene glycol two.
Further, the aluminium oxide-titanium dioxide composite presses following mass percent dispensing：Titanium dioxide 7-
20%, surplus is aluminum oxide, and the silica is the porous silica after sodium hypophosphite soaks.
Further, the preparation method of the aluminum alloy base material comprises the following steps：
A. the silicon, nickel, chromium, copper, iron, manganese, magnesium, zinc, titanium, calcium, lead, cadmium and aluminium are mixed, melting 6-8 hours at high temperature,
Obtain aluminium alloy solution；
B. obtained aluminium alloy solution is subjected to horizontal casting, and cleaned；
C. continuously extruding and molding obtains aluminum alloy base material semi-finished product；
D. the aluminum alloy base material obtained to step c carries out secondary time effect heat treatment, obtains the aluminum alloy base material finished product.
Further, in the step c, extruding rotating speed is 6-10r/min, and die entrance radius of corner is 0.3-0.6mm.
Further, the step of secondary time effect is handled is as follows：
A. the aluminum alloy base material semi-finished product are placed in temperature to be incubated 7-10h in the environment of 100-120 DEG C, then gradually cooled down
To room temperature；
B. the aluminum alloy base material semi-finished product are placed in temperature to be incubated 1-2h in the environment of 180-220 DEG C, then gradually cooled down
To room temperature.
Further, the type of cooling is air cooling or water cooling.
Further, the preparation method of the functional coating comprises the following steps：
A. the aluminium oxide-titanium dioxide composite, manganese dioxide and silica are mixed, obtains mixed-powder, will be mixed
Close powder and heat 1-4h at 100-200 DEG C；
B. the temperature of banbury is risen to 70-90 DEG C, put into the butadiene rubber in banbury after temperature reaches, carried out close
3-5min is refined, filler, plasticiser and coupling agent is added, 70-90 DEG C of continuation banburying 2-5min is kept, obtains cross-linking agent；
C. added water into mixer, set mixer rotating speed sequentially added as 150-200r/min, then the cross-linking agent and
The mixed-powder handled through step a, stirs 10-15min, obtains mixed serum；
D. the mixed serum is sprayed on by the aluminum alloy base material surface by plasma spray coating process, forms the function and apply
Layer.
Further, in the step d, after one layer of mixed serum of spraying, treat that the mixed serum cooling is sprayed again
Another layer of mixed serum.
Further, the electric current of the plasma spray coating process is 500-580A, and voltage is 62-68V, and spray distance is
100-120mm, liquor charging speed is 400-600g/min.
The present invention compared with prior art, with following beneficial effect：
Aluminum alloy base material of the present invention is using compositions such as aluminium, nickel, chromium, silicon, and intensity is high, good mechanical performance；Surface passes through along fourth rubber
The functional coating that glue, filler, plasticiser and coupling agent are made is protected, with scratch resistant, wear-resisting, corrosion-resistant and be hardly damaged
The features such as, the high demand that aluminum alloy doorframe increasingly increases can be met.
In the preparation process of aluminum alloy base material, without homogenization and the pre-heat treatment, the production cycle of aluminium alloy is greatly shortened,
Reduce and waste few in energy consumption, technical process, be greatly saved production cost.The aluminum alloy base material being made has qualified metallographic group
Structure is knitted, with excellent mechanical performance.
Mixed serum is sprayed on aluminum alloy base material surface by functional coating by plasma spray coating process, prepares thickness
It is thin, it is high with base material adhesive force, while having the coating of preferable wear-corrosion resistance；Aluminium oxide-titanium dioxide therein is combined
Material mainly plays scattered, wear-resistant and supporting role.In addition, after porous silica is soaked in sodium hypophosphite, realizing and applying
The self-repair function of layer.Meanwhile, automatic spraying is realized, beneficial to coating layer thickness and structural homogenity is better controled over, is protected
While door frame surface is not damaged by, beautify the outward appearance of doorframe, improve the service life of doorframe.
The aluminum alloy doorframe of the invention provided is can be seen that compared with existing aluminum alloy doorframe by testing detection, it is brilliant
Grain fine uniform, with higher tensile strength and toughness, additionally with EA grades of corrosion resistance, case hardness is high, wear-resisting
Scratch-resistant, great market potential.
Embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1
A kind of aluminum alloy doorframe, including aluminum alloy base material and the functional coating for being coated in aluminum alloy base material surface, it is characterised in that
Aluminum alloy base material is according to following parts by weight dispensing：5 grams of silicon, 6 grams of nickel, 5 grams of chromium, 1 gram of copper, 0.5 gram of iron, 1 gram of manganese, 1 gram of magnesium, zinc 1
Gram, 0.5 gram of titanium, calcium 150ppm, remaining is aluminium；
Functional coating include 20 grams of butadiene rubber, 20 grams of filler, 8 grams of plasticiser, 3 grams of coupling agent, filler is according to following matter
Measure percentage dispensing：Aluminium oxide-titanium dioxide composite 30%, manganese dioxide 20% and silica 1 0%；Lubricant is organic
Silicone oil, coupling agent is the oleic acid acyloxy titanate esters of isopropyl three, and plasticiser is the m-methyl benzoic acid ester of diethylene glycol two.
Above-mentioned aluminium oxide-titanium dioxide composite presses following mass percent dispensing：Titanium dioxide 7%, surplus is oxidation
Aluminium, silica is the porous silica after sodium hypophosphite soaks.
The preparation method of above-mentioned aluminum alloy base material comprises the following steps：
A. silicon, nickel, chromium, copper, iron, manganese, magnesium, zinc, titanium, calcium, lead, cadmium and aluminium are mixed, melting 6-8 hours at high temperature, obtained
Aluminium alloy solution；
B. obtained aluminium alloy solution is subjected to horizontal casting, and cleaned；
C. continuously extruding and molding obtains aluminum alloy base material semi-finished product；
D. the aluminum alloy base material obtained to step c carries out secondary time effect heat treatment, obtains aluminum alloy base material finished product.
In above-mentioned steps c, extruding rotating speed is 6r/min, and die entrance radius of corner is 0.3mm.
The step of above-mentioned secondary time effect is handled is as follows：
A. aluminum alloy base material semi-finished product are placed in temperature to be incubated 4h in the environment of 100 DEG C, are then gradually cooling to room temperature；
B. aluminum alloy base material semi-finished product are placed in temperature to be incubated 2h in the environment of 180 DEG C, are then gradually cooling to room temperature.
The above-mentioned type of cooling is air cooling or water cooling.
The preparation method of above-mentioned functions coating comprises the following steps：
A. aluminium oxide-titanium dioxide composite, manganese dioxide and silica are mixed, mixed-powder is obtained, by mixed powder
1h is heated at 100 DEG C in end；
B. the temperature of banbury is risen to 70 DEG C, put into butadiene rubber in banbury after temperature reaches, carry out banburying 3min,
Filler, plasticiser and coupling agent are added, 70 DEG C of continuation banburying 2min is kept, obtains cross-linking agent；
C. added water into mixer, the rotating speed for setting mixer sequentially adds cross-linking agent as 150r/min, then and through step a
The mixed-powder of processing, stirs 10min, obtains mixed serum；
D. mixed serum is sprayed on by aluminum alloy base material surface by plasma spray coating process, forms functional coating.
In above-mentioned steps d, after one layer of mixed serum of spraying, slurries cooling to be mixed sprays another layer of mixed serum again.
The electric current of above-mentioned plasma spray coating process is 500A, and voltage is 62V, and spray distance is 100mm, and liquor charging speed is
400g/min。
Embodiment 2
A kind of aluminum alloy doorframe, including aluminum alloy base material and the functional coating for being coated in aluminum alloy base material surface, it is characterised in that
Aluminum alloy base material is according to following parts by weight dispensing：8 grams of silicon, 10 grams of nickel, 8 grams of chromium, 2 grams of copper, 1 gram of iron, 2 grams of manganese, 2 grams of magnesium, zinc 2
Gram, 1 gram of titanium, calcium 200ppm, 0.2 gram of lead, 0.05 gram of cadmium, remaining is aluminium；
Functional coating include 50 grams of butadiene rubber, 50 grams of filler, 10 grams of plasticiser, 10 grams of coupling agent, filler is according to following
Mass percent dispensing：Aluminium oxide-titanium dioxide composite 60%, manganese dioxide 40% and silica 40%；Lubricant is to have
Machine silicone oil, coupling agent is the oleic acid acyloxy titanate esters of isopropyl three, and plasticiser is the m-methyl benzoic acid ester of diethylene glycol two.
Above-mentioned aluminium oxide-titanium dioxide composite presses following mass percent dispensing：Titanium dioxide 20%, surplus is oxygen
Change aluminium, silica is the porous silica after sodium hypophosphite soaks.
The preparation method of above-mentioned aluminum alloy base material comprises the following steps：
A. silicon, nickel, chromium, copper, iron, manganese, magnesium, zinc, titanium, calcium, lead, cadmium and aluminium are mixed, melting 6-8 hours at high temperature, obtained
Aluminium alloy solution；
B. obtained aluminium alloy solution is subjected to horizontal casting, and cleaned；
C. continuously extruding and molding obtains aluminum alloy base material semi-finished product；
D. the aluminum alloy base material obtained to step c carries out secondary time effect heat treatment, obtains aluminum alloy base material finished product.
In above-mentioned steps c, extruding rotating speed is 10r/min, and die entrance radius of corner is 0.6mm.
The step of above-mentioned secondary time effect is handled is as follows：
A. aluminum alloy base material semi-finished product are placed in temperature to be incubated 10h in the environment of 120 DEG C, are then gradually cooling to room temperature；
B. aluminum alloy base material semi-finished product are placed in temperature to be incubated 1h in the environment of 220 DEG C, are then gradually cooling to room temperature.
The above-mentioned type of cooling is air cooling or water cooling.
The preparation method of above-mentioned functions coating comprises the following steps：
A. aluminium oxide-titanium dioxide composite, manganese dioxide and silica are mixed, mixed-powder is obtained, by mixed powder
1h is heated at 200 DEG C in end；
B. the temperature of banbury is risen to 90 DEG C, put into butadiene rubber in banbury after temperature reaches, carry out banburying 5min,
Filler, plasticiser and coupling agent are added, 90 DEG C of continuation banburying 5min is kept, obtains cross-linking agent；
C. added water into mixer, the rotating speed for setting mixer sequentially adds cross-linking agent as 200r/min, then and through step a
The mixed-powder of processing, stirs 15min, obtains mixed serum；
D. mixed serum is sprayed on by aluminum alloy base material surface by plasma spray coating process, forms functional coating.
In above-mentioned steps d, after one layer of mixed serum of spraying, slurries cooling to be mixed sprays another layer of mixed serum again.
The electric current of above-mentioned plasma spray coating process is 580A, and voltage is 68V, and spray distance is 120mm, and liquor charging speed is
600g/min。
Embodiment 3
A kind of aluminum alloy doorframe, including aluminum alloy base material and the functional coating for being coated in aluminum alloy base material surface, it is characterised in that
Aluminum alloy base material is according to following parts by weight dispensing：7 grams of silicon, 8 grams of nickel, 6 grams of chromium, 3 grams of copper, 0.8 gram of iron, 1.5 grams of manganese, 1.5 grams of magnesium,
1.5 grams of zinc, 0.8 gram of titanium, calcium 150ppm, 0.1 gram of lead, 0.3 gram of cadmium, remaining is aluminium；
Functional coating include 35 grams of butadiene rubber, 35 grams of filler, 9 grams of plasticiser, 7 grams of coupling agent, filler is according to following matter
Measure percentage dispensing：Aluminium oxide-titanium dioxide composite 45%, manganese dioxide 30% and silica 25%；Lubricant is organic
Silicone oil, coupling agent is the oleic acid acyloxy titanate esters of isopropyl three, and plasticiser is the m-methyl benzoic acid ester of diethylene glycol two.
Above-mentioned aluminium oxide-titanium dioxide composite presses following mass percent dispensing：Titanium dioxide 14%, surplus is oxygen
Change aluminium, silica is the porous silica after sodium hypophosphite soaks.
The preparation method of above-mentioned aluminum alloy base material comprises the following steps：
A. silicon, nickel, chromium, copper, iron, manganese, magnesium, zinc, titanium, calcium, lead, cadmium and aluminium are mixed, melting 7 hours, obtain aluminium at high temperature
Alloy solution；
B. obtained aluminium alloy solution is subjected to horizontal casting, and cleaned；
C. continuously extruding and molding obtains aluminum alloy base material semi-finished product；
D. the aluminum alloy base material obtained to step c carries out secondary time effect heat treatment, obtains aluminum alloy base material finished product.
In above-mentioned steps c, extruding rotating speed is 8r/min, and die entrance radius of corner is 0.5mm.
The step of above-mentioned secondary time effect is handled is as follows：
A. aluminum alloy base material semi-finished product are placed in temperature to be incubated 8h in the environment of 110 DEG C, are then gradually cooling to room temperature；
B. aluminum alloy base material semi-finished product are placed in temperature to be incubated 1.5h in the environment of 200 DEG C, are then gradually cooling to room temperature.
The above-mentioned type of cooling is air cooling or water cooling.
The preparation method of above-mentioned functions coating comprises the following steps：
A. aluminium oxide-titanium dioxide composite, manganese dioxide and silica are mixed, mixed-powder is obtained, by mixed powder
3h is heated at 150 DEG C in end；
B. the temperature of banbury is risen to 80 DEG C, put into butadiene rubber in banbury after temperature reaches, carry out banburying 4min,
Filler, plasticiser and coupling agent are added, 80 DEG C of continuation banburying 3min is kept, obtains cross-linking agent；
C. added water into mixer, the rotating speed for setting mixer sequentially adds cross-linking agent as 180r/min, then and through step a
The mixed-powder of processing, stirs 13min, obtains mixed serum；
D. mixed serum is sprayed on by aluminum alloy base material surface by plasma spray coating process, forms functional coating.
In above-mentioned steps d, after one layer of mixed serum of spraying, slurries cooling to be mixed sprays another layer of mixed serum again.
The electric current of above-mentioned plasma spray coating process is 540A, and voltage is 65V, and spray distance is 110mm, and liquor charging speed is
500g/min。
Embodiment 4
Enter row index using embodiment 1-3 and existing aluminum alloy doorframe to test and assess, as a result as shown in table 1：
| Tensile strength（N/mm2) | Corrosion resistance | Average grain size（mm） | Vickers hardness（HV, kg/mm2） | |
| Embodiment 1 | 550 | EA | 0.02 | 630 |
| Embodiment 2 | 548 | EA | 0.02 | 632 |
| Embodiment 3 | 557 | EA | 0.02 | 641 |
| Existing aluminum alloy doorframe | 393 | EC | 0.05 | 487 |
Table 1
Wherein, corrosion resistance is provided by national standard GB/T6892-2006, and small blister scar, crackle, thin slice or powder occurs in surface,
It is qualified only with phenomenon (EA) level being slightly separated；There is obvious layering in surface, and penetrates phenomenon (EB-ED) level into metal
To be unqualified.
From evaluating result as can be seen that the aluminum alloy doorframe of the invention provided is compared with existing aluminum alloy doorframe, crystal grain
Fine uniform, with higher tensile strength and toughness, additionally with EA grades of corrosion resistance, case hardness is high, wear-resisting resistance to
Scrape, great market potential.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, although with reference to the foregoing embodiments
The present invention is described in detail, for those skilled in the art, it still can be to foregoing embodiments institute
The technical scheme of record is modified, or carries out equivalent substitution to which part technical characteristic.It is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (9)
1. a kind of aluminum alloy doorframe, including aluminum alloy base material and the functional coating for being coated in aluminum alloy base material surface, its feature exist
In the aluminum alloy base material is according to following parts by weight dispensing：5-8 parts of silicon, 6-10 parts of nickel, 5-8 parts of chromium, 1-2 parts of copper, iron 0.5-1
Part, 1-2 parts of manganese, 1-2 parts of magnesium, 1-2 parts of zinc, 0.5-1 parts of titanium, calcium≤200ppm, 0-0.2 parts of lead, 0-0.05 parts of cadmium, remaining is
Aluminium；
The functional coating includes 3-10 parts of 20-50 parts of butadiene rubber, 20-50 parts of filler, 8-10 parts of plasticiser and coupling agent,
The filler is according to following mass percent dispensing：Aluminium oxide-titanium dioxide composite 30-60%, manganese dioxide 20-40%
With silica 1 0-40%；The lubricant is organic silicone oil, and the coupling agent is the oleic acid acyloxy titanate esters of isopropyl three, institute
Plasticiser is stated for the m-methyl benzoic acid ester of diethylene glycol two.
2. a kind of aluminum alloy doorframe according to claim 1, it is characterised in that the aluminium oxide-titanium dioxide composite wood
Material presses following mass percent dispensing：Titanium dioxide 7-20%, surplus is aluminum oxide, and the silica is to pass through sodium hypophosphite
Porous silica after immersion.
3. a kind of aluminum alloy doorframe according to claim 1, it is characterised in that the preparation method bag of the aluminum alloy base material
Include following steps：
A. the silicon, nickel, chromium, copper, iron, manganese, magnesium, zinc, titanium, calcium, lead, cadmium and aluminium are mixed, melting 6-8 hours at high temperature,
Obtain aluminium alloy solution；
B. obtained aluminium alloy solution is subjected to horizontal casting, and cleaned；
C. continuously extruding and molding obtains aluminum alloy base material semi-finished product；
D. the aluminum alloy base material obtained to step c carries out secondary time effect heat treatment, obtains the aluminum alloy base material finished product.
4. a kind of aluminum alloy doorframe according to claim 3, it is characterised in that in the step c, extruding rotating speed is 6-
10r/min, die entrance radius of corner is 0.3-0.6mm.
5. a kind of aluminum alloy doorframe according to claim 3, it is characterised in that the step of secondary time effect is handled is such as
Under：
A. the aluminum alloy base material semi-finished product are placed in temperature to be incubated 7-10h in the environment of 100-120 DEG C, then gradually cooled down
To room temperature；
B. the aluminum alloy base material semi-finished product are placed in temperature to be incubated 1-2h in the environment of 180-220 DEG C, then gradually cooled down
To room temperature.
6. a kind of aluminum alloy doorframe according to claim 5, it is characterised in that the type of cooling is air cooling or water cooling.
7. a kind of aluminum alloy doorframe according to claim 1, it is characterised in that the preparation method of the functional coating includes
Following steps：
A. the aluminium oxide-titanium dioxide composite, manganese dioxide and silica are mixed, obtains mixed-powder, will be mixed
Close powder and heat 1-4h at 100-200 DEG C；
B. the temperature of banbury is risen to 70-90 DEG C, put into the butadiene rubber in banbury after temperature reaches, carried out close
3-5min is refined, filler, plasticiser and coupling agent is added, 70-90 DEG C of continuation banburying 2-5min is kept, obtains cross-linking agent；
C. added water into mixer, set mixer rotating speed sequentially added as 150-200r/min, then the cross-linking agent and
The mixed-powder handled through step a, stirs 10-15min, obtains mixed serum；
D. the mixed serum is sprayed on by the aluminum alloy base material surface by plasma spray coating process, forms the function and apply
Layer.
8. a kind of aluminum alloy doorframe according to claim 7, it is characterised in that in the step d, one layer of spraying is described mixed
Close after slurries, treat that the mixed serum cooling sprays another layer of mixed serum again.
9. a kind of aluminum alloy doorframe according to claim 7, it is characterised in that the electric current of the plasma spray coating process is
500-580A, voltage is 62-68V, and spray distance is 100-120mm, and liquor charging speed is 400-600g/min.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587015A (en) * | 2017-09-29 | 2018-01-16 | 徐州轩辕铝业有限公司 | A kind of abrasion-resistance aluminum alloy doorframe and its production technology |
| CN108715954A (en) * | 2018-07-11 | 2018-10-30 | 合肥伊只门窗有限公司 | A kind of anticorrosion aluminium door and window and preparation method thereof |
| CN112814506A (en) * | 2020-12-24 | 2021-05-18 | 江苏银奕达科技股份有限公司 | Connecting structure of connecting piece for aluminum alloy window and preparation process of connecting structure |
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Application publication date: 20170811 |