CN105671382A - High-hardness aluminum alloy material - Google Patents
High-hardness aluminum alloy material Download PDFInfo
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- CN105671382A CN105671382A CN201610193325.5A CN201610193325A CN105671382A CN 105671382 A CN105671382 A CN 105671382A CN 201610193325 A CN201610193325 A CN 201610193325A CN 105671382 A CN105671382 A CN 105671382A
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- alloy material
- aluminium alloy
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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
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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- Chemical & Material Sciences (AREA)
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- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to a high-hardness aluminum alloy material. The high-hardness aluminum alloy material comprises, by weight percentage, 0.58%-0.6% of Si, less than or equal to 0.16% of Fe, less than or equal to 0.02% of Cu, 0.8%-0.83% of Mg, 0.015%-0.025% of Mn, less than or equal to 0.012% of Cr, less than or equal to 0.012% of Zn, 0.015%-0.03% of Ti, and the balance Al. The high-performance aluminum alloy material with high strength and hardness is prepared by selecting a specific formula. Meanwhile, the high-hardness aluminum alloy material has the advantages of being lightweight, resistant to abrasion and good in plasticity. The high-hardness aluminum alloy material further has an excellent heat dissipation property, can be used for manufacturing of automobile frames and can reduce the dead load of automobiles, thereby being widely applied to the field of new energy automobiles.
Description
Technical field
The invention belongs to alloy field, in particular to a kind of high hardness aluminium alloy material.
Background technology
Aluminium alloy is a most widely used class non-ferrous metal structured material in industry, widely applies in aviation, space flight, automobile, machinofacture, boats and ships and chemical industry. Along with the develop rapidly of science and technology and industrial economy, the demand of aluminium alloy day by day being increased, the research making aluminium alloy is also thereupon deeply. Aluminium section bar is better than steel in a lot of performance, is mainly manifested in: erosion resistance, easily thermal conductivity, nonferromagnetic, workability, formability and returnability.
The alloy adding the formation of certain element can also have higher hardness, intensity while keeping the advantages such as pure aluminium light weight, become desirable structured material, extensively for aspects such as machinofacture, Transport Machinery, power machine and aircraft industry, the fuselage of aircraft, covering, pneumatic plant etc. are normal with aluminium alloy manufacture, to alleviate deadweight. Adopting aluminium alloy to replace the welding of steel plate materials, structural weight can alleviate more than 50%.
Current automobile frame manufactures field, is nearly all adopt ferrous materials to manufacture, and iron and steel vehicle frame weight is big, is unfavorable for energy-conserving and environment-protective. A kind of high hardness aluminium alloy material involved in the present invention, it is possible to for automobile frame, is exactly by the various excellent specific properties of aluminium, is improved by composition of raw materials, it is achieved it is in the excellent value of automobile frame manufacture view. But, conventional aluminum alloy still Shortcomings part, its main component is aluminium, magnesium and silicon, due to the restriction by materials microstructure, the material property processed is poor, easily occurring the defects such as fracture, wrinkle, fatigue in the course of processing, yield rate is lower, poor thermal conductivity, the waste that result in material. Meanwhile, production efficiency is lower, adds labour intensity, adds production cost.
Summary of the invention
The present invention prepares a kind of high performance aluminium materials with higher-strength, hardness by selecting specifically to fill a prescription, there is excellent heat radiation simultaneously, can be used in the manufacture of automobile frame, it is possible to alleviate the deadweight of automobile, it is possible to be widely used in new-energy automobile field.
Specifically, the present invention provides a kind of high hardness aluminium alloy material, it is characterised in that, comprise Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti.
In the enforcement mode that the present invention one is concrete, described a kind of high hardness aluminium alloy material comprises Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component is: Si0.58-0.6%, Fe≤0.16%, Cu≤0.02%, Mg0.8-0.83%, Mn0.015-0.025%, Cr≤0.012%, Zn≤0.012%, Ti0.015-0.03%, and surplus is Al.
In the enforcement mode that the present invention one is concrete, described a kind of high hardness aluminium alloy material comprises Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component is: Si0.58%, Fe0.12%, Cu0.01%, Mg0.8%, Mn0.015%, Cr0.01%, Zn0.01%, Ti0.015%, and surplus is Al.
In the enforcement mode that the present invention one is concrete, described a kind of high hardness aluminium alloy material comprises Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component is: Si0.6%, Fe0.06%, Cu0.015%, Mg0.83%, Mn0.025%, Cr0.008%, Zn0.011%, Ti0.03%, and surplus is Al.
In the enforcement mode that the present invention one is concrete, described a kind of high hardness aluminium alloy material comprises Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component is: Si0.59%, Fe0.15%, Cu0.012%, Mg0.82%, Mn0.02%, Cr0.011%, Zn0.005%, Ti0.02%, and surplus is Al.
The present invention is the preparation method of the high hardness aluminium alloy material described in offer on the other hand, comprises
(1) preparation of raw material: alloyage total amount as required, gets the raw materials ready according to the proportioning of alloy, ready raw material is put into constant temperature preheating and drying stove dry;
(2) preparation of refining slag-cleaning agent: by the 0.55～1.15% of raw material total mass each in step (1) preparation refining slag-cleaning agent, ready refining slag-cleaning agent is put into constant temperature preheating and drying stove dry;
(3) melt: dried aluminium in step (1) is put into thawing furnace, igniting, control furnace temperature 700～750 DEG C, leave standstill after Al all melts and it is incubated 15～20min, add other raw materials dried, continue to be warming up to 760～800 DEG C of insulation 15～20min and promote melt alloying;
(4) refining: spray in step (2) the refining slag-cleaning agent obtained, refining degasification in step (3), in 750 DEG C of standing insulation 15～18min, slagging-off;
(5) forging molding: the aluminium alloy melt insulation also die casting that will obtain in step (4), obtains Al alloy product.
In the enforcement mode that the present invention one is concrete, wherein said refining slag-cleaning agent is silicate or villaumite.
In the enforcement mode that the present invention one is concrete, wherein said refining slag-cleaning agent is without sodium.
Third aspect present invention provides the purposes of described high hardness aluminium alloy material, for automobile frame.
The present invention prepares a kind of high performance aluminium materials with higher-strength, hardness by selecting specifically to fill a prescription, there is excellent heat radiation simultaneously, can be used in the manufacture of automobile frame, it is possible to alleviate the deadweight of automobile, it is possible to be widely used in new-energy automobile field.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1:
A kind of high hardness aluminium alloy material, comprise Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component is: Si0.58%, Fe0.12%, Cu0.01%, Mg0.8%, Mn0.015%, Cr0.01%, Zn0.01%, Ti0.015%, and surplus is Al.
Embodiment 2:
A kind of high hardness aluminium alloy material, comprise Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component is: Si0.6%, Fe0.06%, Cu0.015%, Mg0.83%, Mn0.025%, Cr0.008%, Zn0.011%, Ti0.03%, and surplus is Al.
Embodiment 3:
A kind of high hardness aluminium alloy material, comprise Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component is: Si0.59%, Fe0.15%, Cu0.012%, Mg0.82%, Mn0.02%, Cr0.011%, Zn0.005%, Ti0.02%, and surplus is Al.
Comparative example 1:
A kind of high hardness aluminium alloy material, comprise Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component is: Si0.65%, Fe0.12%, Cu0.01%, Mg0.8%, Mn0.015%, Cr0.01%, Zn0.01%, Ti0.015%, and surplus is Al.
Comparative example 2:
A kind of high hardness aluminium alloy material, comprise Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component is: Si0.58%, Fe0.2%, Cu0.01%, Mg0.8%, Mn0.015%, Cr0.01%, Zn0.01%, Ti0.015%, and surplus is Al.
Comparative example 3:
A kind of high hardness aluminium alloy material, comprise Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component is: Si0.58%, Fe0.12%, Cu0.01%, Mg0.8%, Mn0.03%, Cr0.01%, Zn0.01%, Ti0.015%, and surplus is Al.
Comparative example 4:
A kind of high hardness aluminium alloy material, comprise Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component is: Si0.58%, Fe0.12%, Cu0.01%, Mg0.8%, Mn0.015%, Cr0.015%, Zn0.01%, Ti0.015%, and surplus is Al.
Comparative example 5
A kind of high hardness aluminium alloy material, comprise Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component is: Si0.58%, Fe0.12%, Cu0.01%, Mg0.8%, Mn0.015%, Cr0.01%, Zn0.01%, Ti0.01%, and surplus is Al.
Comparative example 6
A kind of high hardness aluminium alloy material, comprise Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component is: Si0.55%, Fe0.12%, Cu0.01%, Mg0.8%, Mn0.015%, Cr0.01%, Zn0.01%, Ti0.015%, and surplus is Al.
Comparative example 7
A kind of high hardness aluminium alloy material, comprise Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component is: Si0.58%, Fe0.12%, Cu0.01%, Mg0.75%, Mn0.015%, Cr0.01%, Zn0.01%, Ti0.015%, and surplus is Al.
Embodiment 4: the Performance Detection of high hardness aluminium alloy material of the present invention
The various performances of the aluminum alloy materials of test embodiment of the present invention 1-3 and reference examples 1-7, detected result lists table 1 in.
The performance of table 1 aluminum alloy materials of the present invention
| Yield strength (MPa) | Tensile strength (MPa) | Unit elongation (%) | Hardness (HBS) | |
| Embodiment 1 | 501.3 | 583.9 | 8.2 | 115 |
| Embodiment 2 | 501.8 | 584.6 | 7.9 | 116 |
| Embodiment 3 | 502.1 | 585.8 | 8.3 | 115 |
| Comparative example 1 | 472.3 | 546.7 | 6.8 | 102 |
| Comparative example 2 | 475.6 | 547.8 | 7.0 | 105 |
| Comparative example 3 | 470.2 | 548.8 | 7.2 | 100 |
| Comparative example 4 | 463.7 | 552.9 | 7.0 | 102 |
| Comparative example 5 | 477.1 | 541.8 | 6.9 | 105 |
| Comparative example 6 | 460.3 | 540.9 | 7.1 | 110 |
| Comparative example 7 | 465.8 | 543.7 | 6.8 | 101 |
The data of table 1 show, aluminium alloy of the present invention has higher hardness and unit elongation, and have higher yield strength and tensile strength, it is possible to meet the performance requriements manufacturing automobile frame. Meanwhile, the data of table 1 also show that in formula, Si, Fe, Mn, Cr amount of surpassing can cause the degradation of aluminium alloy, and the consumption deficiency of Ti, Si, Mg also can cause the degradation of aluminium alloy.
Claims (8)
1. a high hardness aluminium alloy material, it is characterised in that, comprise Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti.
2. a kind of high hardness aluminium alloy material according to claim 1, it is characterized in that, comprise Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component is: Si0.58-0.6%, Fe≤0.16%, Cu≤0.02%, Mg0.8-0.83%, Mn0.015-0.025%, Cr≤0.012%, Zn≤0.012%, Ti0.015-0.03%, and surplus is Al.
3. a kind of high hardness aluminium alloy material according to claim 1, it is characterized in that, comprise Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component is: Si0.58%, Fe0.12%, Cu0.01%, Mg0.8%, Mn0.015%, Cr0.01%, Zn0.01%, Ti0.015%, and surplus is Al.
4. a kind of high hardness aluminium alloy material according to claim 1, it is characterized in that, comprise Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component is: Si0.6%, Fe0.06%, Cu0.015%, Mg0.83%, Mn0.025%, Cr0.008%, Zn0.011%, Ti0.03%, and surplus is Al.
5. a kind of high hardness aluminium alloy material according to claim 1, it is characterized in that, comprise Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component is: Si0.59%, Fe0.15%, Cu0.012%, Mg0.82%, Mn0.02%, Cr0.011%, Zn0.005%, Ti0.02%, and surplus is Al.
6. the preparation method of a kind of high hardness aluminium alloy material according to the arbitrary item of claim 1-5, comprises
(1) preparation of raw material: get the raw materials ready according to the weight percent of each component of alloy, puts into constant temperature preheating and drying stove dry by ready raw material;
(2) preparation of refining slag-cleaning agent: by the 0.55～1.15% of raw material total mass each in step (1) preparation refining slag-cleaning agent, ready refining slag-cleaning agent is put into constant temperature preheating and drying stove dry;
(3) melt: dried aluminium in step (1) is put into thawing furnace, igniting, control furnace temperature 700～750 DEG C, leave standstill after Al all melts and it is incubated 15～20min, add other raw materials dried, continue to be warming up to 780～800 DEG C of insulation 15～20min and promote melt alloying;
(4) refining: spray in step (2) the refining slag-cleaning agent obtained, refining degasification in step (3), in 780 DEG C of standing insulation 15～18min, slagging-off;
(5) forging molding: the aluminium alloy melt insulation also die casting that will obtain in step (4), obtains Al alloy product.
7. preparation method according to claim 6, wherein said refining slag-cleaning agent is silicate or villaumite.
8. the purposes of high hardness aluminium alloy material according to the arbitrary item of claim 1-5, it is characterised in that, for automobile frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610193325.5A CN105671382A (en) | 2016-03-30 | 2016-03-30 | High-hardness aluminum alloy material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610193325.5A CN105671382A (en) | 2016-03-30 | 2016-03-30 | High-hardness aluminum alloy material |
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| Publication Number | Publication Date |
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| CN105671382A true CN105671382A (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610193325.5A Pending CN105671382A (en) | 2016-03-30 | 2016-03-30 | High-hardness aluminum alloy material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107312957A (en) * | 2017-06-06 | 2017-11-03 | 合肥饰界金属制品有限公司 | High-strength aluminum alloy material and preparation method thereof |
| CN108374112A (en) * | 2018-01-24 | 2018-08-07 | 安徽枫慧金属股份有限公司 | A kind of strongly tensile aluminium alloy plate of deep-draw |
| CN112095027A (en) * | 2020-09-18 | 2020-12-18 | 陈虾二 | Processing technology of heat-insulation bridge-cut-off aluminum alloy door and window profile |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107312957A (en) * | 2017-06-06 | 2017-11-03 | 合肥饰界金属制品有限公司 | High-strength aluminum alloy material and preparation method thereof |
| CN108374112A (en) * | 2018-01-24 | 2018-08-07 | 安徽枫慧金属股份有限公司 | A kind of strongly tensile aluminium alloy plate of deep-draw |
| CN112095027A (en) * | 2020-09-18 | 2020-12-18 | 陈虾二 | Processing technology of heat-insulation bridge-cut-off aluminum alloy door and window profile |
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