CN105648289B - A kind of high-strength aluminum alloy material - Google Patents
A kind of high-strength aluminum alloy material Download PDFInfo
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- CN105648289B CN105648289B CN201610202603.9A CN201610202603A CN105648289B CN 105648289 B CN105648289 B CN 105648289B CN 201610202603 A CN201610202603 A CN 201610202603A CN 105648289 B CN105648289 B CN 105648289B
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- cleaning agent
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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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- 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
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- Mechanical Engineering (AREA)
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- Organic Chemistry (AREA)
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Abstract
The present invention relates to a kind of high-strength aluminum alloy material, including Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the percentage by weight of each component is：Si0.5 0.55%, Fe≤0.16%, Cu≤0.02%, Mg0.65 0.7%, Mn0.015 0.025%, Cr≤0.01%, Zn≤0.012%, Ti0.017 0.025%, surplus Al.The present invention is by selecting specific formula to prepare a kind of high performance aluminium materials with higher-strength, hardness, there is the advantages of light weight, wear-resistant, plasticity is good simultaneously, and there is excellent heat radiation, it can be used in the manufacture of automobile frame, the deadweight of automobile can be mitigated, be widely used in new-energy automobile field.
Description
Technical field
The invention belongs to alloy field, in particular to a kind of high-strength aluminum alloy material.
Background technology
Aluminium alloy is most widely used a kind of non-ferrous metal structural material in industry, in Aeronautics and Astronautics, automobile, machinery
Widely applied in manufacture, ship and chemical industry.With the rapid development of science and technology and industrial economy, to aluminium alloy
Demand is increasing, and the research enabled aluminum alloy to is also goed deep into therewith.Aluminium section bar is better than steel in many aspect of performances, main performance
：Corrosion resistance, easy thermal conductivity, nonferromagnetic, machinability, formability and recuperability.
There can also be higher hardness, strong while alloy that certain element formed is added keep fine aluminium light the advantages that
Degree, turns into preferable structural material, is widely used in machine-building, Transport Machinery, dynamic power machine and aircraft industry etc., aircraft
Fuselage, covering, compressor etc. often manufactured with aluminium alloy, to mitigate deadweight.The welding of steel plate materialses, knot are replaced using aluminium alloy
Structure weight can mitigate more than 50%.
Automobile frame manufactures field at present, is manufactured using ferrous materials, and steel vehicle frame weight is big,
It is unfavorable for energy-conserving and environment-protective.A kind of high hardness aluminium alloy material involved in the present invention, can be used for automobile frame, be exactly by aluminium
The various excellent specific properties of material, are improved by composition of raw materials, realize its excellent value in automobile frame manufacture view.But
It is that traditional aluminium alloy still has weak point, its main component is aluminium, magnesium and silicon, due to being limited by materials microstructure,
The material property processed is poor, easily occurs the defects of fracture, wrinkle, fatigue in process, yield rate is relatively low, leads
Hot waste that is poor, result in material.Meanwhile production efficiency is relatively low, labor intensity is added, adds production cost.
The content of the invention
The present invention is by selecting specific formula to prepare a kind of high-performance aluminium alloy material with higher-strength, hardness
Material, while there is excellent heat radiation, it can be used in the manufacture of automobile frame, the deadweight of automobile can be mitigated, can widely answer
For new-energy automobile field.
Specifically, the present invention provides a kind of high-strength aluminum alloy material, it is characterised in that including Al, Si, Fe, Cu,
Mg、Mn、Cr、Zn、Ti。
In a specific embodiment of the invention, a kind of described high-strength aluminum alloy material include Al, Si, Fe,
Cu, Mg, Mn, Cr, Zn, Ti, the percentage by weight of each component are：Si0.5-0.55%、Fe≤0.16%、Cu≤0.02%、
Mg0.65-0.7%, Mn0.015-0.025%, Cr≤0.01%, Zn≤0.012%, Ti0.017-0.025%, surplus Al.
In a specific embodiment of the invention, a kind of described high-strength aluminum alloy material include Al, Si, Fe,
Cu, Mg, Mn, Cr, Zn, Ti, the percentage by weight of each component are：Si0.5%、Fe0.12%、Cu0.01%、Mg0.65%、
Mn0.015%, Cr0.005%, Zn0.01%, Ti0.017%, surplus Al.
In a specific embodiment of the invention, a kind of described high-strength aluminum alloy material include Al, Si, Fe,
Cu, Mg, Mn, Cr, Zn, Ti, the percentage by weight of each component are：Si0.55%、Fe0.06%、Cu0.015%、Mg0.7%、
Mn0.025%, Cr0.008%, Zn0.011%, Ti0.025%, surplus Al.
In a specific embodiment of the invention, a kind of described high-strength aluminum alloy material include Al, Si, Fe,
Cu, Mg, Mn, Cr, Zn, Ti, the percentage by weight of each component are：Si0.53%、Fe0.15%、Cu0.012%、Mg0.67%、
Mn0.02%, Cr0.006%, Zn0.005%, Ti0.021%, surplus Al.
Another aspect of the present invention is the preparation method for providing described high-strength aluminum alloy material, including
（1）The preparation of raw material：Alloyage total amount as needed, stocked up according to the proportioning of alloy, by ready raw material
It is put into constant temperature preheating and drying stove and dries；
（2）Refine the preparation of slag-cleaning agent：Prepare refining scarfing cinder by 0.55~1.15% of each raw material gross mass in step (1)
Agent, ready refining slag-cleaning agent is put into constant temperature preheating and drying stove and dried；
（3）Melt：Dried aluminium in step (1) is put into thawing furnace, lighted a fire, 700~750 DEG C of furnace temperature is controlled, treats
Al stands after all melting and is incubated 15~20min, adds other dried raw materials, is continuously heating to 760~800 DEG C of insulations
15~20min promotes melt alloying；
（4）Refining：Obtained refining slag-cleaning agent is sprayed into step (2) into step (3), refines degasification, in 750 DEG C of standings
It is incubated 15~18min, slagging-off；
（5）Forging molding：By the aluminium alloy melt obtained in step (4) insulation and die casting, Al alloy products are obtained.
In a specific embodiment of the invention, wherein described refining slag-cleaning agent is silicate or villaumite.
In a specific embodiment of the invention, wherein described refining slag-cleaning agent is no sodium.
Third aspect present invention provides the purposes of the high hardness aluminium alloy material, for automobile frame.
The present invention is by selecting specific formula to prepare a kind of high-performance aluminium alloy material with higher-strength, hardness
Material, while there is excellent heat radiation, it can be used in the manufacture of automobile frame, the deadweight of automobile can be mitigated, can widely answer
For new-energy automobile field.
Embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1：
A kind of high-strength aluminum alloy material, including Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component
Than for：Si0.5%, Fe0.12%, Cu0.01%, Mg0.65%, Mn0.015%, Cr0.005%, Zn0.01%, Ti0.017%, surplus are
Al。
Embodiment 2：
A kind of high-strength aluminum alloy material, including Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component
Than for：Si0.55%, Fe0.06%, Cu0.015%, Mg0.7%, Mn0.025%, Cr0.008%, Zn0.011%, Ti0.025%, surplus
For Al.
Embodiment 3：
A kind of high-strength aluminum alloy material, including Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component
Than for：Si0.53%, Fe0.15%, Cu0.012%, Mg0.67%, Mn0.02%, Cr0.006%, Zn0.005%, Ti0.021%, surplus
For Al.
Comparative example 1：
A kind of high-strength aluminum alloy material, including Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component
Than for：Si0.65%, Fe0.12%, Cu0.01%, Mg0.65%, Mn0.015%, Cr0.005%, Zn0.01%, Ti0.017%, surplus
For Al.
Comparative example 2：
A kind of high-strength aluminum alloy material, including Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component
Than for：Si0.5%, Fe0.2%, Cu0.01%, Mg0.65%, Mn0.015%, Cr0.005%, Zn0.01%, Ti0.017%, surplus are
Al。
Comparative example 3：
A kind of high-strength aluminum alloy material, including Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component
Than for：Si0.5%, Fe0.12%, Cu0.01%, Mg0.65%, Mn0.03%, Cr0.005%, Zn0.01%, Ti0.017%, surplus are
Al。
Comparative example 4：
A kind of high-strength aluminum alloy material, including Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component
Than for：Si0.5%, Fe0.12%, Cu0.01%, Mg0.65%, Mn0.015%, Cr0.02%, Zn0.01%, Ti0.017%, surplus are
Al。
Comparative example 5
A kind of high-strength aluminum alloy material, including Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component
Than for：Si0.45%, Fe0.12%, Cu0.01%, Mg0.65%, Mn0.015%, Cr0.005%, Zn0.01%, Ti0.017%, surplus
For Al.
Comparative example 6
A kind of high-strength aluminum alloy material, including Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component
Than for：Si0.5%, Fe0.12%, Cu0.01%, Mg0.6%, Mn0.015%, Cr0.005%, Zn0.01%, Ti0.017%, surplus are
Al。
Comparative example 7
A kind of high-strength aluminum alloy material, including Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the weight percent of each component
Than for：Si0.5%, Fe0.12%, Cu0.01%, Mg0.65%, Mn0.015%, Cr0.005%, Zn0.01%, Ti0.01%, surplus are
Al。
Embodiment 4：The performance detection of high-strength aluminum alloy material of the present invention
The various performances of 1-3 of the embodiment of the present invention and reference examples 1-7 aluminum alloy materials are tested, testing result is included in table
1。
The performance of 1 aluminum alloy materials of the present invention of table
| Yield strength（MPa） | Tensile strength（MPa） | Elongation percentage（%） | Hardness（HBS） | |
| Embodiment 1 | 503.6 | 589.2 | 8.4 | 113 |
| Embodiment 2 | 503.4 | 589.9 | 8.6 | 114 |
| Embodiment 3 | 503.8 | 589.3 | 8.3 | 113 |
| Comparative example 1 | 470.5 | 548.3 | 6.9 | 100 |
| Comparative example 2 | 474.1 | 549.2 | 7.2 | 103 |
| Comparative example 3 | 468.6 | 547.6 | 7.4 | 100 |
| Comparative example 4 | 462.5 | 553.5 | 7.6 | 104 |
| Comparative example 5 | 467.5 | 551.4 | 6.7 | 106 |
| Comparative example 6 | 462.7 | 544.0 | 7.3 | 112 |
| Comparative example 7 | 460.7 | 540.3 | 7.8 | 100 |
The as shown by data of table 1, aluminium alloy of the present invention have higher yield strength and tensile strength, have higher hardness
And elongation percentage, it disclosure satisfy that the performance requirement of manufacture automobile frame.Meanwhile the data of table 1 also show Si, Fe, Mn, Cr in formula
Excess can cause the hydraulic performance decline of aluminium alloy, and Si, Mg, Ti dosage deficiency also result in the hydraulic performance decline of aluminium alloy.
Claims (6)
- A kind of 1. high-strength aluminum alloy material, it is characterised in that including Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, each component Percentage by weight is：Si0.5-0.55%、Fe ≤ 0.16%、Cu ≤ 0.02%、Mg0.65-0.7%、Mn0.015-0.025%、 Cr≤0.01%, Zn≤0.012%, Ti0.017-0.025%, surplus Al；Preparation method includes：（1）The preparation of raw material：Stocked up according to the percentage by weight of alloy each component, it is dry that ready raw material is put into constant temperature preheating Dried in dry stove；（2）Refine the preparation of slag-cleaning agent：Prepare refining slag-cleaning agent by 0.55~1.15% of each raw material gross mass in step (1), Ready refining slag-cleaning agent is put into constant temperature preheating and drying stove and dried；Described refining slag-cleaning agent is silicate or villaumite；（3）Fusing：Dried aluminium in step (1) is put into melting furnace, lighted a fire, 700~750 DEG C of furnace temperature is controlled, treats Al All stood after fusing and be incubated 15~20min, add other dried raw materials, be continuously heating to 780~800 DEG C of insulations 15 ~20min promotes melt alloying；（4）Refining：Obtained refining slag-cleaning agent is sprayed into step (2) into step (3), refines degasification, insulation is stood in 780 DEG C 15~18min, slagging-off；（5）Forging molding：By the aluminium alloy melt obtained in step (4) insulation and die casting, Al alloy products are obtained.
- A kind of 2. high-strength aluminum alloy material according to claim 1, it is characterised in that including Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the percentage by weight of each component are：Si0.5%、Fe0.12%、Cu0.01%、Mg0.65%、Mn0.015%、 Cr0.005%, Zn0.01%, Ti0.017%, surplus Al.
- A kind of 3. high-strength aluminum alloy material according to claim 1, it is characterised in that including Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the percentage by weight of each component are：Si0.55%、Fe0.06%、Cu0.015%、Mg0.7%、Mn0.025%、 Cr0.008%, Zn0.011%, Ti0.025%, surplus Al.
- A kind of 4. high-strength aluminum alloy material according to claim 1, it is characterised in that including Al, Si, Fe, Cu, Mg, Mn, Cr, Zn, Ti, the percentage by weight of each component are：Si0.53%、Fe0.15%、Cu0.012%、Mg0.67%、Mn0.02%、 Cr0.006%, Zn0.005%, Ti0.021%, surplus Al.
- 5. a kind of preparation method of high-strength aluminum alloy material according to claim any one of 1-4, including（1）The preparation of raw material：Stocked up according to the percentage by weight of alloy each component, it is dry that ready raw material is put into constant temperature preheating Dried in dry stove；（2）Refine the preparation of slag-cleaning agent：Prepare refining slag-cleaning agent by 0.55~1.15% of each raw material gross mass in step (1), Ready refining slag-cleaning agent is put into constant temperature preheating and drying stove and dried；Described refining slag-cleaning agent is silicate or villaumite；（3）Fusing：Dried aluminium in step (1) is put into melting furnace, lighted a fire, 700~750 DEG C of furnace temperature is controlled, treats Al All stood after fusing and be incubated 15~20min, add other dried raw materials, be continuously heating to 780~800 DEG C of insulations 15 ~20min promotes melt alloying；（4）Refining：Obtained refining slag-cleaning agent is sprayed into step (2) into step (3), refines degasification, insulation is stood in 780 DEG C 15~18min, slagging-off；（5）Forging molding：By the aluminium alloy melt obtained in step (4) insulation and die casting, Al alloy products are obtained.
- 6. the purposes of the high-strength aluminum alloy material according to claim any one of 1-4, it is characterised in that for Automobile Frame.
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| 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 |
| CN109140747A (en) * | 2017-06-28 | 2019-01-04 | 宜兴市韦德同机械科技有限公司 | A kind of accurate filter separator material |
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| CN102443725B (en) * | 2011-12-15 | 2013-10-23 | 贵州华科铝材料工程技术研究有限公司 | High-strength aluminum alloy treated by AlH3 and preparation method of high-strength aluminum alloy |
| CN102418009B (en) * | 2011-12-15 | 2013-08-21 | 贵州华科铝材料工程技术研究有限公司 | Aluminum alloy capable of digesting high-hardness compounds and smelting method of aluminum alloy |
| CN102418008B (en) * | 2011-12-15 | 2013-04-10 | 贵州华科铝材料工程技术研究有限公司 | High-strength aluminum alloy obtained by removing inclusion through HfC and preparation method of aluminum alloy |
| CN104073698B (en) * | 2014-06-26 | 2016-04-27 | 龙口市丛林铝材有限公司 | A kind of 6 is rail vehicle suspension arm aluminium section bar and preparation method thereof |
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