CN104789828B - A kind of production sliding window aluminium alloy extrusions - Google Patents
A kind of production sliding window aluminium alloy extrusions Download PDFInfo
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- CN104789828B CN104789828B CN201410239242.6A CN201410239242A CN104789828B CN 104789828 B CN104789828 B CN 104789828B CN 201410239242 A CN201410239242 A CN 201410239242A CN 104789828 B CN104789828 B CN 104789828B
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Abstract
The invention discloses a kind of production sliding window aluminium alloy extrusions, are related to metal material field, the aluminium alloy extrusions constituent includes by weight percentage：Mg：0.75‑0.90；Si：0.5‑0.6；Cu：0.10‑0.14；Mn：0.20‑0.25；Ti：0‑0.1；Cr：0‑0.1；Fe：0.1‑0.3；Zn：0.20‑0.28；Surplus is Al.Heretofore described aluminium alloy extrusions material is optimized by the way that alloying component is optimized, and to melting and casting, homogenization, extruding, heat treatment, treatment in production technology, effectively improves the mechanical performance of section bar and surface layer film quality.
Description
Technical field
The present invention relates to metal material field more particularly to a kind of production sliding window aluminium alloy extrusions.
Background technology
Sliding window advantage is succinct, beautiful, window width is big, glass blocks is big, unobscured, daylight rate is high, the convenience that cleans the windows, is made
With it is flexible, safe and reliable, service life is long, opens in a plane, it is few to occupy space, and installation screen window facilitates.Current door
Most popular in window is exactly sliding window, due to aluminium alloy extrusions relative to other mental sections with light weight, beautiful warp
The advantages of Ji, sliding window is mainly using aluminium alloy extrusions making at present.In the prior art, sliding window aluminium alloy extrusions is produced
Performance be not optimal yet, still need constantly to be improved.
Therefore, how by optimizing Production technology of aluminum alloy sectional bar, a kind of excellent aluminium alloy extrusions is obtained, preferably completely
The requirement of sufficient sliding window is current urgent problem to be solved.
Invention content
Sliding window aluminium alloy extrusions is produced it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of,
The optimization of Production technology of aluminum alloy sectional bar is realized, is had excellent performance.
The invention discloses a kind of production sliding window aluminium alloy extrusions, composition component includes by weight percentage：Mg：
0.75-0.90；Si：0.5-0.6；Cu：0.10-0.14；Mn：0.20-0.25；Ti：0-0.1；Cr：0-0.1；Fe：0.1-0.3；
Zn：0.20-0.28；Surplus is Al, and is prepared according to the following steps：
S1：It weighs each raw material and carries out founding, obtain ingot casting；
S2：It squeezes：The ingot homogenization rear car obtained in S1 is removed into crust, is squeezed on a hydraulic press, it is right before extruding
Extrusion cylinder, extrusion die and ingot casting are heated, and treat that section bar is cooled to 50 DEG C hereinafter, carrying out tension straingtening to section bar after the completion of squeezing
Afterwards, it is heat-treated, extrusion cylinder mode of heating is：After being warming up to 95-105 DEG C and keeping the temperature 0.5-1h, it is warming up to 195-205 DEG C simultaneously
After keeping the temperature 0.5-1h, after being warming up to 295-305 DEG C and keeping the temperature 0.5-1h, after being warming up to 395-405 DEG C and keeping the temperature 0.5-1h, heating
To 450-480 DEG C, extrusion die is positioned over heat preservation 4-8h in 450-500 DEG C of holding furnace and is heated, and ingot casting is positioned over 450-520
DEG C holding furnace in heat preservation 1-2h heated, wherein, the deflection of tension straingtening is 1-3%, extruding rate 8-40m/
min；
S3：Treatment：By the section bar for the heat treatment completed in S2 according to degreasing → alkali cleaning → water flushing → light extraction → water
The processing route of flushing → anodic oxidation → sealing of hole → drying carries out treatment, wherein, anodic oxidation solution composition is 35-
45g/L sulfuric acid+13-17g/L hexanedioic acids, anodizing temperature are 22-25 DEG C, anodizing time 18-22min, and voltage is
(15 ± 1) V, cathode material are pure stereotype, and electric current is less than 1A/dm2, sealing of hole is using dilute chromic acid sealing of hole.
Preferably, in constituent, the mass ratio of Mg and Si are (1.2-1.5):1.
In the present invention, the production sliding window aluminium alloy extrusions of proposition by optimizing components, improve, improve by production technology
The comprehensive performance of aluminium alloy extrusions, compared with prior art, specific advantage are as follows：
1st, alloying component is optimized, improves the content of Mg elements and Si elements in alloy, and suitably improve
The content of Mn elements, Cu elements and Zn elements；Due to Mg2Si phases are the main hardening constituents in Al-Mg-Si system alloy, number
Amount, the influence of size and form to alloy property are very big, by improving the content of Mg elements and Si elements in alloy, can improve
Mg in alloy2The content of Si phases, so as to which the promotion for final alloy strength lays the foundation, the addition of suitable Zn helps to improve
The final strength of alloy, meanwhile, the addition of a small amount of Cu can generate CuAl2Phase and Cu3Al2Phase, both mutually have the timeliness strong
Change effect, contribute to the raising of final alloy strength；The addition of suitable Mn elements makes ingot casting after follow-up Homogenization Treatments,
Acicular beta-Al9FeSi phase transition is granular α-Al15 (FeMn) 3Si2 disperse phases, so as to eliminate coarse acicular crystal with respect to alloy
The adverse effect of performance reduces Impurity Fe to the adverse effect of material property, improves the moulding of alloy, meanwhile, granular α-
Al15(FeMn)3Si2Disperse phase particle can also prevent recrystallization of the alloy in subsequent thermal extrusion process used for forming, and when promoting
Mg during effect2The precipitation of Si phases, refines recrystal grain, and Mn can also expand the hardening heat upper limit, increase consolidating for alloying element
Solubility, so as to improve alloy comprehensive performance；
2nd, production technology is improved, by the optimization to extrusion process, further improves the yield rate of alloy,
By the optimization to treatment technique, alloy surface pattern and state are improved, improves the stability of surface layer film layer, is promoted
The corrosion resistance of alloy.
Specific embodiment
The present invention is described in detail with reference to specific example, it should be appreciated that embodiment is served only for illustrating the present invention,
Rather than for limiting the invention, any modification made on the basis of the present invention, equivalent replacement etc. are in the present invention
Protection domain in.
Production sliding window aluminium alloy extrusions disclosed in this invention, the composition proportion (weight hundred of ingot casting in each embodiment
Point than) testing result is as shown in table 1：
| Mg | Si | Cu | Mn | Cr | Ti | Zn | Fe | Al | |
| Embodiment 1 | 0.9 | 0.6 | 0.10 | 0.22 | 0.10 | 0.08 | 0.26 | 0.2 | Surplus |
| Embodiment 2 | 0.75 | 0.5 | 0.14 | 0.25 | 0.10 | 0.06 | 0.20 | 0.2 | Surplus |
| Embodiment 3 | 0.80 | 0.52 | 0.12 | 0.20 | 0.08 | 0.07 | 0.22 | 0.2 | Surplus |
| Embodiment 4 | 0.82 | 0.55 | 0.10 | 0.23 | 0.07 | 0.08 | 0.28 | 0.21 | Surplus |
| Embodiment 5 | 0.85 | 0.58 | 0.12 | 0.20 | 0.06 | 0.08 | 0.27 | 0.18 | Surplus |
| Embodiment 6 | 0.83 | 0.56 | 0.13 | 0.24 | 0.07 | 0.06 | 0.25 | 0.22 | Surplus |
Each embodiment preparation method is as follows：
Embodiment 1
S1：It weighs each raw material and carries out founding, obtain ingot casting；
S2：It squeezes：The ingot homogenization rear car obtained in S1 is removed into crust, is squeezed on a hydraulic press, it is right before extruding
Extrusion cylinder, extrusion die and ingot casting are heated, and treat that section bar is cooled to 50 DEG C hereinafter, carrying out tension straingtening to section bar after the completion of squeezing
Afterwards, it is heat-treated, extrusion cylinder mode of heating is：After being warming up to 100 DEG C and keeping the temperature 0.7h, it is warming up to 200 DEG C and keeps the temperature 0.7h
Afterwards, after being warming up to 300 DEG C and keeping the temperature 0.7h, after being warming up to 400 DEG C and keeping the temperature 0.7h, 465 DEG C are warming up to, extrusion die is positioned over
6h is kept the temperature in 470 DEG C of holding furnace to be heated, ingot casting is positioned over heat preservation 1.5h in 500 DEG C of holding furnace and is heated, wherein,
The deflection of tension straingtening is 2%, extruding rate 24m/min；
S3：Treatment：By the section bar for the heat treatment completed in S2 according to degreasing → alkali cleaning → water flushing → light extraction → water
The processing route of flushing → anodic oxidation → sealing of hole → drying carries out treatment, wherein, anodic oxidation solution composition is 40g/L
Sulfuric acid+15g/L hexanedioic acids, anodizing temperature are 24 DEG C, anodizing time 20min, voltage 15V, and cathode material is
Pure stereotype, electric current are less than 1A/dm2, sealing of hole is using dilute chromic acid sealing of hole.
Embodiment 2
S1：It weighs each raw material and carries out founding, obtain ingot casting；
S2：It squeezes：The ingot homogenization rear car obtained in S1 is removed into crust, is squeezed on a hydraulic press, it is right before extruding
Extrusion cylinder, extrusion die and ingot casting are heated, and treat that section bar is cooled to 50 DEG C hereinafter, carrying out tension straingtening to section bar after the completion of squeezing
Afterwards, it is heat-treated, extrusion cylinder mode of heating is：After being warming up to 95 DEG C and keeping the temperature 1h, after being warming up to 195 DEG C and keeping the temperature 1h, rise
Temperature is to 295 DEG C and after keeping the temperature 1h, after being warming up to 395 DEG C and keeping the temperature 1h, is warming up to 450 DEG C, extrusion die is positioned over 450 DEG C of heat preservation
8h is kept the temperature in stove to be heated, ingot casting is positioned over heat preservation 1.2h in 460 DEG C of holding furnace and is heated, wherein, tension straingtening
Deflection is 1.2%, extruding rate 10m/min；
S3：Treatment：By the section bar for the heat treatment completed in S2 according to degreasing → alkali cleaning → water flushing → light extraction → water
The processing route of flushing → anodic oxidation → sealing of hole → drying carries out treatment, wherein, anodic oxidation solution composition is 35g/L
Sulfuric acid+14g/L hexanedioic acids, anodizing temperature are 24 DEG C, anodizing time 21min, voltage 15.5V, cathode material
For pure stereotype, electric current is less than 1A/dm2, sealing of hole is using dilute chromic acid sealing of hole.
Embodiment 3
S1：It weighs each raw material and carries out founding, obtain ingot casting；
S2：It squeezes：The ingot homogenization rear car obtained in S1 is removed into crust, is squeezed on a hydraulic press, it is right before extruding
Extrusion cylinder, extrusion die and ingot casting are heated, and treat that section bar is cooled to 50 DEG C hereinafter, carrying out tension straingtening to section bar after the completion of squeezing
Afterwards, it is heat-treated, extrusion cylinder mode of heating is：After being warming up to 105 DEG C and keeping the temperature 0.5h, it is warming up to 205 DEG C and keeps the temperature 0.5h
Afterwards, after being warming up to 305 DEG C and keeping the temperature 0.5h, after being warming up to 405 DEG C and keeping the temperature 0.5h, 480 DEG C are warming up to, extrusion die is positioned over
4h is kept the temperature in 500 DEG C of holding furnace to be heated, ingot casting is positioned over heat preservation 2h in 450 DEG C of holding furnace and is heated, wherein, it draws
The deflection for stretching aligning is 1%, extruding rate 40m/min；
S3：Treatment：By the section bar for the heat treatment completed in S2 according to degreasing → alkali cleaning → water flushing → light extraction → water
The processing route of flushing → anodic oxidation → sealing of hole → drying carries out treatment, wherein, anodic oxidation solution composition is 37g/L
Sulfuric acid+16g/L hexanedioic acids, anodizing temperature are 24 DEG C, anodizing time 19min, voltage 14.5V, cathode material
For pure stereotype, electric current is less than 1A/dm2, sealing of hole is using dilute chromic acid sealing of hole.
Embodiment 4
S1：It weighs each raw material and carries out founding, obtain ingot casting；
S2：It squeezes：The ingot homogenization rear car obtained in S1 is removed into crust, is squeezed on a hydraulic press, it is right before extruding
Extrusion cylinder, extrusion die and ingot casting are heated, and treat that section bar is cooled to 50 DEG C hereinafter, carrying out tension straingtening to section bar after the completion of squeezing
Afterwards, it is heat-treated, extrusion cylinder mode of heating is：After being warming up to 97 DEG C and keeping the temperature 0.6h, it is warming up to 197 DEG C and keeps the temperature 0.7h
Afterwards, after being warming up to 297 DEG C and keeping the temperature 0.6h, after being warming up to 397 DEG C and keeping the temperature 0.7h, 470 DEG C are warming up to, extrusion die is positioned over
4h is kept the temperature in 500 DEG C of holding furnace to be heated, ingot casting is positioned over heat preservation 1h in 520 DEG C of holding furnace and is heated, wherein, it draws
The deflection for stretching aligning is 3%, extruding rate 8m/min；
S3：Treatment：By the section bar for the heat treatment completed in S2 according to degreasing → alkali cleaning → water flushing → light extraction → water
The processing route of flushing → anodic oxidation → sealing of hole → drying carries out treatment, wherein, anodic oxidation solution composition is 35g/L
Sulfuric acid+17g/L hexanedioic acids, anodizing temperature are 22 DEG C, anodizing time 22min, voltage 14V, and cathode material is
Pure stereotype, electric current are less than 1A/dm2, sealing of hole is using dilute chromic acid sealing of hole.
Embodiment 5
S1：It weighs each raw material and carries out founding, obtain ingot casting；
S2：It squeezes：The ingot homogenization rear car obtained in S1 is removed into crust, is squeezed on a hydraulic press, it is right before extruding
Extrusion cylinder, extrusion die and ingot casting are heated, and treat that section bar is cooled to 50 DEG C hereinafter, carrying out tension straingtening to section bar after the completion of squeezing
Afterwards, it is heat-treated, extrusion cylinder mode of heating is：After being warming up to 103 DEG C and keeping the temperature 0.6h, it is warming up to 202 DEG C and keeps the temperature 0.63h
Afterwards, after being warming up to 301 DEG C and keeping the temperature 0.5h, after being warming up to 403 DEG C and keeping the temperature 0.7h, 460 DEG C are warming up to, extrusion die is positioned over
5h is kept the temperature in 470 DEG C of holding furnace to be heated, ingot casting is positioned over heat preservation 1.3h in 480 DEG C of holding furnace and is heated, wherein,
The deflection of tension straingtening is 1.5%, extruding rate 20m/min；
S3：Treatment：By the section bar for the heat treatment completed in S2 according to degreasing → alkali cleaning → water flushing → light extraction → water
The processing route of flushing → anodic oxidation → sealing of hole → drying carries out treatment, wherein, anodic oxidation solution composition is 45g/L
Sulfuric acid+13g/L hexanedioic acids, anodizing temperature are 25 DEG C, anodizing time 18min, voltage 16V, and cathode material is
Pure stereotype, electric current are less than 1A/dm2, sealing of hole is using dilute chromic acid sealing of hole.
Embodiment 6
S1：It weighs each raw material and carries out founding, obtain ingot casting；
S2：It squeezes：The ingot homogenization rear car obtained in S1 is removed into crust, is squeezed on a hydraulic press, it is right before extruding
Extrusion cylinder, extrusion die and ingot casting are heated, and treat that section bar is cooled to 50 DEG C hereinafter, carrying out tension straingtening to section bar after the completion of squeezing
Afterwards, it is heat-treated, extrusion cylinder mode of heating is：After being warming up to 101 DEG C and keeping the temperature 0.8h, it is warming up to 199 DEG C and keeps the temperature 0.9h
Afterwards, after being warming up to 301 DEG C and keeping the temperature 0.7h, after being warming up to 401 DEG C and keeping the temperature 0.6h, 470 DEG C are warming up to, extrusion die is positioned over
5h is kept the temperature in 490 DEG C of holding furnace to be heated, ingot casting is positioned over heat preservation 1.7h in 500 DEG C of holding furnace and is heated, wherein,
The deflection of tension straingtening is 1.6%, extruding rate 30m/min；
S3：Treatment：By the section bar for the heat treatment completed in S2 according to degreasing → alkali cleaning → water flushing → light extraction → water
The processing route of flushing → anodic oxidation → sealing of hole → drying carries out treatment, wherein, anodic oxidation solution composition is 43g/L
Sulfuric acid+14g/L hexanedioic acids, anodizing temperature are 24 DEG C, anodizing time 19min, voltage 14.5V, cathode material
For pure stereotype, electric current is less than 1A/dm2, sealing of hole is using dilute chromic acid sealing of hole.
In embodiment 1-6, ferro element is non-addition element, and being mainly derived from mold use in fusion process can not keep away
The introducing exempted from；In extrusion process, extrusion cylinder, extrusion die and ingot casting are heated before squeezing, are conducive in alloy extrusion process
It is deformed, intermittent heat is carried out to extrusion cylinder, can cause more uniform, the extrusion process of extrusion cylinder heating, with alloy
Deformation, is parallel in the direction of extrusion, crystal grain is elongated, and crystallite dimension is refined；Pass through the optimization to treatment technique, sun
In the oxidation process of pole, due to adipic acid energy and Al3+React production insoluble matter Al2(C6H8O4)3, adsorb in Second Phase Particle
Near, O is inhibited to a certain extent2Generation so that film layer is more smooth, while Al2(C6H8O4)3Type compound can be effective
Ground delays the dissolving on barrier layer so that section bar has better corrosion resisting property, so as to improve alloy surface pattern and state, carries
The high stability of surface layer film layer improves the corrosion resistance of alloy.
In embodiment 1-6, tensile strength, the sand trail of sliding window aluminium alloy extrusions are produced described in five groups of retest
The ginseng of barasion coefficient, drop alkali test and elongation percentage, averaging of income data and aluminium alloy extrusions 6063-T6 anodic oxidation section bars
Numerical value is listed in Table 2 below.
2 embodiment 1-6 of table and typical 6063-T6 anodic oxidations section bar mechanical performance parameter
It is worn away by embodiment 1-6 in above-mentioned table 1 and typical 6063-T6 anodic oxidations section bar tensile strength, sand trail
The test data of coefficient, drop alkali test and elongation percentage is it is found that single performance or comprehensive performance, heretofore described life
Production sliding window is superior to typical 6063-T6 anodic oxidations section bar with aluminium alloy extrusions, has excellent mechanical performance, wearability
And corrosion resistance.
Claims (1)
1. a kind of production sliding window aluminium alloy extrusions, which is characterized in that its composition component includes by weight percentage：Mg：
0.75-0.90；Si：0.5-0.6；Cu：0.10-0.14；Mn：0.20-0.25；Ti：0-0.1；Cr：0-0.1；Fe：0.1-0.3；
Zn：0.20-0.28；Surplus is Al, and is prepared according to the following steps：
S1：It weighs each raw material and carries out founding, obtain ingot casting；
S2：It squeezes：The ingot homogenization rear car obtained in S1 is removed into crust, is squeezed on a hydraulic press, to squeezing before squeezing
Cylinder, extrusion die and ingot casting are heated, after the completion of squeezing after section bar is cooled to 50 DEG C hereinafter, carrying out tension straingtening to section bar,
It is heat-treated, extrusion cylinder mode of heating is：After being warming up to 95-105 DEG C and keeping the temperature 0.5-1h, it is warming up to 195-205 DEG C and protects
After warm 0.5-1h, after being warming up to 295-305 DEG C and keeping the temperature 0.5-1h, after being warming up to 395-405 DEG C and keeping the temperature 0.5-1h, it is warming up to
450-480 DEG C, extrusion die is positioned over heat preservation 4-8h in 450-500 DEG C of holding furnace and is heated, and ingot casting is positioned over 450-520 DEG C
Holding furnace in heat preservation 1-2h heated, wherein, the deflection of tension straingtening is 1-3%, extruding rate 8-40m/min；
S3：Treatment：The section bar for the heat treatment completed in S2 is rinsed according to degreasing → alkali cleaning → water flushing → light extraction → water
The processing route of → anodic oxidation → sealing of hole → drying carries out treatment, wherein, anodic oxidation solution composition is 35-45g/L
Sulfuric acid+13-17g/L hexanedioic acids, anodizing temperature be 22-25 DEG C, anodizing time 18-22min, voltage for (15 ±
1) V, cathode material are pure stereotype, and electric current is less than 1A/dm2, sealing of hole is using dilute chromic acid sealing of hole；
In its constituent, the mass ratio of Mg and Si are (1.2-1.5):1.
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