CN108660345A - A kind of aluminium alloy extrusions and preparation method thereof of low Vickers hardness - Google Patents
A kind of aluminium alloy extrusions and preparation method thereof of low Vickers hardness Download PDFInfo
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- CN108660345A CN108660345A CN201810479179.1A CN201810479179A CN108660345A CN 108660345 A CN108660345 A CN 108660345A CN 201810479179 A CN201810479179 A CN 201810479179A CN 108660345 A CN108660345 A CN 108660345A
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- alloy extrusions
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- 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
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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- 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
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
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- 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
- C22F1/047—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 of alloys with magnesium as the next major constituent
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Abstract
The invention discloses a kind of aluminium alloy extrusions and its preparation process of low Vickers hardness, the ingredient and weight percent of the aluminium alloy extrusions are：Si is 0.30%~0.36%, Fe is 0~0.12%, Cu is 0~0.01%, Mn is 0~0.02%, Mg is 0.47%~0.53%, Cr is 0~0.01%, Zn is 0~0.01%, Ti is 0~0.07%, impurity is 0~0.02%, surplus Al；The sum of above-mentioned each component percentage is 100%.The preparation method is used the aluminium bar of mentioned component and is handled using extrusion process and aging technique, and the aluminium alloy extrusions that Vickers hardness is HV42~HV48 is obtained.The present invention specifically limits extrusion process and aging technique by the ingredient of reasonable disposition aluminium alloy extrusions, can obtain Vickers hardness be HV42~HV48 aluminium alloy extrusions, reduce energy consumption and cost savings be apparent.
Description
Technical field
The present invention relates to the chemical composition of 6063 aluminium alloys and proximate matter preparation field, specifically a kind of low Vickers hardness
Aluminium alloy extrusions and preparation method thereof.
Background technology
6063 aluminium alloys are widened what the fields such as building, decoration, automobile, aviation, electronics were applied, to new modified deformation aluminium
Strength character, corrosion resistant performance, the heat-tinting performance of alloy have higher requirement.If using 6063 common compositions and often
The extruding production technology of rule can be more than HV60 using the hardness of proximate matter after aging technique；If using natrual ageing technique, proximate matter
Vickers hardness will appear very large deviation and unstable, while the resting period of natrual ageing is also grown, occupied ground and fund.
Invention content
In light of the defects in the prior art, the purpose of the invention is to provide one kind Vickers hardness can be controlled in HV42
The aluminium alloy extrusions and preparation method thereof of the low Vickers hardness of~HV48.
The purpose of the present invention is what is solved by the following technical programs：
A kind of aluminium alloy extrusions of low Vickers hardness, it is characterised in that：The ingredient and weight percent of the aluminium alloy extrusions be：
Si is 0.30%~0.36%, Fe is 0~0.12%, Cu is 0~0.01%, Mn is 0~0.02%, Mg is 0.47%~0.53%, Cr is
0~0.01%, Zn is 0~0.01%, Ti is 0~0.07%, impurity is 0~0.02%, surplus Al；Above-mentioned each component percentage it
Be 100%.
In the aluminium alloy extrusions weight percent of Si be 0.33%~0.34%, the weight percent of Mg be 0.50%~
0.52%。
The weight percent of single impurity in impurity is 0~0.01%.
A kind of preparation method of the aluminium alloy extrusions of low Vickers hardness, it is characterised in that：Steps are as follows for the preparation method：
A, aluminium bar is selected, the ingredient and weight percent of the aluminium bar are：Si is 0.30%~0.36%, Fe is 0~0.12%, Cu 0
~0.01%, Mn is 0~0.02%, Mg is 0.47%~0.53%, Cr is 0~0.01%, Zn is 0~0.01%, Ti is 0~0.07%,
Impurity is 0~0.02%, surplus Al, and the sum of above-mentioned each component percentage is 100%；
B, aluminium bar input extruder is squeezed and obtains proximate matter blank；
C, aging technique processing is carried out to proximate matter blank and obtains the aluminium alloy extrusions that Vickers hardness is HV42~HV48.
The step（b）Detailed step be：
B1, before extrusion first to aluminium bar, mold, extrusion cylinder carry out Temperature Measure Control, when aluminium bar be heated to 430 DEG C~
440 DEG C, after mold is heated to 450 DEG C~460 DEG C, extrusion cylinder is heated to 390 DEG C~410 DEG C, then proceed by extruding；
The discharge port temperature control of extruder is controlled in the discharging speed of 480 DEG C~490 DEG C and extruder in 7m/ when b2, extruding
Min~8m/min；
Natural cooling is used after the proximate matter blank quenching that b3, extruder squeeze out.
The step（c）Detailed step be：
C1, proximate matter blank is packed into aging furnace progress ageing treatment, aging temp control is in 170 DEG C~175 DEG C, soaking time
1.5h~2.0h；
C2, proximate matter blank make proximate matter blank drop to room temperature in 0.5h~1.0h to can be obtained Vickers hardness after coming out of the stove with forced air cooling
For the aluminium alloy extrusions of HV42~HV48.
The step（c1）In soaking time be 1.5h~2.0h.
The step（a）Aluminium bar in Si weight percent be 0.33%~0.34%, the weight percent of Mg is
0.50%~0.52%.
The step（a）In impurity in single impurity weight percent be 0~0.01%.
The present invention has the following advantages compared with prior art：
The present invention specifically limits extrusion process and aging technique by the ingredient of reasonable disposition aluminium alloy extrusions,
Can obtain Vickers hardness be HV42~HV48 aluminium alloy extrusions, widen the application range of 6063 aluminium alloy extrusions；So that
Production efficiency is improved in actual production, reduces energy consumption and cost savings are apparent, the Surface of profile quality and mechanics of extrusion forming
Performance can be improved.
Specific implementation mode
With reference to embodiment, the present invention is further illustrated.
A kind of aluminium alloy extrusions of low Vickers hardness, the ingredient and weight percent of the aluminium alloy extrusions are：Si is 0.30%
~0.36%, Fe is 0~0.12%, Cu is 0~0.01%, Mn is 0~0.02%, Mg is 0.47%~0.53%, Cr is 0~0.01%,
Zn is 0~0.01%, Ti is 0~0.07%, impurity is 0~0.02%, surplus Al；The sum of above-mentioned each component percentage is 100%.
It is further to limit：In aluminium alloy extrusions the weight percent of Si be 0.33%~0.34%, the weight percent of Mg be 0.50%~
0.52%, and carry out homogenization；The weight percent of single impurity in impurity is 0~0.01%.
A kind of preparation method of the aluminium alloy extrusions of low Vickers hardness, steps are as follows for the preparation method：A, aluminium bar is selected, it should
The ingredient and weight percent of aluminium bar be：Si is 0.30%~0.36%, Fe is 0~0.12%, Cu is 0~0.01%, Mn be 0~
0.02%, Mg is 0.47%~0.53%, Cr is 0~0.01%, Zn is 0~0.01%, Ti is 0~0.07%, impurity is 0~0.02%,
Surplus is Al, and the sum of above-mentioned each component percentage is 100%；B, aluminium bar input extruder is squeezed and obtains proximate matter blank；C, to type
Material blank carries out aging technique processing and obtains the aluminium alloy extrusions that Vickers hardness is HV42~HV48.Wherein aluminium bar puts into extruder
Squeezing acquisition proximate matter blank detailed step is：B1, Temperature Measure Control is carried out to aluminium bar, mold, extrusion cylinder first before extrusion,
When aluminium bar be heated to 430 DEG C~440 DEG C, mold be heated to 450 DEG C~460 DEG C, extrusion cylinder be heated to 390 DEG C~410
After DEG C, then proceed by extruding；B2, when squeezing extruder discharge port temperature control going out in 480 DEG C~490 DEG C and extruder
Expect speed control in 7m/min~8m/min；Natural cooling is used after the proximate matter blank quenching that b3, extruder squeeze out.Timeliness
The detailed step of process is：C1, proximate matter blank is packed into aging furnace progress ageing treatment, aging temp is controlled at 170 DEG C
~175 DEG C, soaking time be 1.5h~2.0h；C2, proximate matter blank with forced air cooling make proximate matter blank in 0.5h~1.0h after coming out of the stove
It inside drops to room temperature and can be obtained the aluminium alloy extrusions that Vickers hardness is HV42~HV48.
In the above preparation method, step（a）Aluminium bar in the weight percent of Si be 0.33%~0.34%, weight of Mg
It is 0.50%~0.52% to measure percentage, and carries out homogenization；And the weight percent of the single impurity in impurity be 0~
0.01%.Step（c1）In soaking time be 1.5h~2.0h.
Embodiment one
A kind of preparation method of the aluminium alloy extrusions of low Vickers hardness, steps are as follows for the preparation method：A, aluminium bar, the aluminium bar are selected
Ingredient and weight percent be：Si is 0.33%, Fe 0.05%, Cu 0.01%, Mn 0.01%, Mg 0.50%, Cr are
0.005%, Zn 0.008%, Ti 0.04%, impurity 0.015%, surplus Al, the sum of above-mentioned each component percentage are 100%；
B, aluminium bar input extruder is squeezed, Temperature Measure Control is carried out to aluminium bar, mold, extrusion cylinder first before extrusion, works as aluminium bar
It is heated to 430 DEG C, after mold is heated to 455 DEG C, extrusion cylinder is heated to 400 DEG C, then proceeds by extruding；It is squeezed when extruding
The discharge port temperature control of press is controlled in the discharging speed of 490 DEG C and extruder in 7m/min；The type that extruder squeezes out
Using acquisition proximate matter blank after natural cooling after the quenching of material blank；C, proximate matter blank is packed into aging furnace and carries out ageing treatment, when
Temperature control is imitated in 170 DEG C, soaking time 1.5h；Proximate matter blank with forced air cooling makes proximate matter blank be dropped in 1.0h after coming out of the stove
Room temperature can be obtained the aluminium alloy extrusions that Vickers hardness is HV45.
Embodiment two
A kind of preparation method of the aluminium alloy extrusions of low Vickers hardness, steps are as follows for the preparation method：A, aluminium bar, the aluminium bar are selected
Ingredient and weight percent be：Si is 0.34%, Fe 0.10%, Cu 0.007%, Mn 0.015%, Mg 0.51%, Cr are
0.01%, Zn 0.01%, Ti 0.07%, impurity 0.01%, surplus Al, the sum of above-mentioned each component percentage are 100%；b、
Aluminium bar input extruder is squeezed, Temperature Measure Control is carried out to aluminium bar, mold, extrusion cylinder first before extrusion, when aluminium bar quilt
It is heated to 438 DEG C, after mold is heated to 460 DEG C, extrusion cylinder is heated to 410 DEG C, then proceeds by extruding；It is squeezed when extruding
The discharge port temperature control of machine is controlled in the discharging speed of 480 DEG C and extruder in 8m/min；The proximate matter that extruder squeezes out
Using acquisition proximate matter blank after natural cooling after blank quenching；C, proximate matter blank is packed into aging furnace and carries out ageing treatment, timeliness
Temperature is controlled in 170 DEG C, soaking time 2h；Proximate matter blank with forced air cooling makes proximate matter blank drop to room temperature in 1.0h after coming out of the stove
It can be obtained the aluminium alloy extrusions that Vickers hardness is HV44.
The present invention specifically limits extrusion process and aging technique by the ingredient of reasonable disposition aluminium alloy extrusions
It is fixed, can obtain Vickers hardness be HV42~HV48 aluminium alloy extrusions, widen the application range of 6063 aluminium alloy extrusions；Make
It obtains and improves production efficiency in actual production, reduce energy consumption and cost savings are apparent, the Surface of profile quality and power of extrusion forming
Learning performance can be improved.
Above example is merely illustrative of the invention's technical idea, and protection scope of the present invention cannot be limited with this, every
According to technological thought proposed by the present invention, any change done on the basis of technical solution each falls within the scope of the present invention
Within；The technology that the present invention is not directed to can be realized by the prior art.
Claims (9)
1. a kind of aluminium alloy extrusions of low Vickers hardness, it is characterised in that：The ingredient and weight percent of the aluminium alloy extrusions
For：Si is 0.30%~0.36%, Fe is 0~0.12%, Cu is 0~0.01%, Mn is 0~0.02%, Mg is 0.47%~0.53%,
Cr is 0~0.01%, Zn is 0~0.01%, Ti is 0~0.07%, impurity is 0~0.02%, surplus Al；Above-mentioned each component percentage
Than the sum of be 100%.
2. the aluminium alloy extrusions of low Vickers hardness according to claim 1, it is characterised in that：Si in the aluminium alloy extrusions
Weight percent be 0.33%~0.34%, the weight percent of Mg is 0.50%~0.52%.
3. the aluminium alloy extrusions of low Vickers hardness according to claim 1, it is characterised in that：Single impurity in impurity
Weight percent is 0~0.01%.
4. the preparation method of the aluminium alloy extrusions of low Vickers hardness according to claim 1, it is characterised in that：The preparation side
Steps are as follows for method：
A, aluminium bar is selected, the ingredient and weight percent of the aluminium bar are：Si is 0.30%~0.36%, Fe is 0~0.12%, Cu 0
~0.01%, Mn is 0~0.02%, Mg is 0.47%~0.53%, Cr is 0~0.01%, Zn is 0~0.01%, Ti is 0~0.07%,
Impurity is 0~0.02%, surplus Al, and the sum of above-mentioned each component percentage is 100%；
B, aluminium bar input extruder is squeezed and obtains proximate matter blank；
C, aging technique processing is carried out to proximate matter blank and obtains the aluminium alloy extrusions that Vickers hardness is HV42~HV48.
5. the preparation method of the aluminium alloy extrusions of low Vickers hardness according to claim 4, it is characterised in that：The step
（b）Detailed step be：
B1, before extrusion first to aluminium bar, mold, extrusion cylinder carry out Temperature Measure Control, when aluminium bar be heated to 430 DEG C~
440 DEG C, after mold is heated to 450 DEG C~460 DEG C, extrusion cylinder is heated to 390 DEG C~410 DEG C, then proceed by extruding；
The discharge port temperature control of extruder is controlled in the discharging speed of 480 DEG C~490 DEG C and extruder in 7m/ when b2, extruding
Min~8m/min；
Natural cooling is used after the proximate matter blank quenching that b3, extruder squeeze out.
6. the preparation method of the aluminium alloy extrusions of low Vickers hardness according to claim 4, it is characterised in that：The step
（c）Detailed step be：
C1, proximate matter blank is packed into aging furnace progress ageing treatment, aging temp control is in 170 DEG C~175 DEG C, soaking time
1.5h~2.0h；
C2, proximate matter blank make proximate matter blank drop to room temperature in 0.5h~1.0h to can be obtained Vickers hardness after coming out of the stove with forced air cooling
For the aluminium alloy extrusions of HV42~HV48.
7. the preparation method of the aluminium alloy extrusions of low Vickers hardness according to claim 6, it is characterised in that：The step
（c1）In soaking time be 1.5h~2.0h.
8. the preparation method of the aluminium alloy extrusions of low Vickers hardness according to claim 4, it is characterised in that：The step
（a）Aluminium bar in Si weight percent be 0.33%~0.34%, the weight percent of Mg is 0.50%~0.52%.
9. the preparation method of the aluminium alloy extrusions of low Vickers hardness according to claim 4, it is characterised in that：The step
（a）In impurity in single impurity weight percent be 0~0.01%.
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Cited By (5)
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| CN110238226A (en) * | 2019-06-13 | 2019-09-17 | 江苏银奕达科技股份有限公司 | A kind of hollow and thin-walled Extrusion Process of Aluminum Alloy Profile processing method |
| CN110238227A (en) * | 2019-06-13 | 2019-09-17 | 江苏银奕达科技股份有限公司 | A kind of thin-walled Multi-cavity section bar extrusion process |
| CN111235440A (en) * | 2020-01-15 | 2020-06-05 | 广东澳美铝业有限公司 | Aluminum alloy for manufacturing automobile skylight guide rail and production process thereof |
| CN113737066A (en) * | 2021-08-11 | 2021-12-03 | 广东华昌集团有限公司 | Aluminum conductor rail section bar and preparation method thereof |
| CN115572868A (en) * | 2022-09-09 | 2023-01-06 | 江苏亚太轻合金科技股份有限公司 | Low-performance and low-hardness 6-series aluminum alloy and preparation method thereof |
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| CN111235440A (en) * | 2020-01-15 | 2020-06-05 | 广东澳美铝业有限公司 | Aluminum alloy for manufacturing automobile skylight guide rail and production process thereof |
| CN113737066A (en) * | 2021-08-11 | 2021-12-03 | 广东华昌集团有限公司 | Aluminum conductor rail section bar and preparation method thereof |
| CN115572868A (en) * | 2022-09-09 | 2023-01-06 | 江苏亚太轻合金科技股份有限公司 | Low-performance and low-hardness 6-series aluminum alloy and preparation method thereof |
| CN115572868B (en) * | 2022-09-09 | 2023-11-03 | 江苏亚太轻合金科技股份有限公司 | Low-performance and hardness 6-series aluminum alloy and preparation method thereof |
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