CN108396265A - A kind of aluminium alloy and its heat treatment method of graphene-containing - Google Patents
A kind of aluminium alloy and its heat treatment method of graphene-containing Download PDFInfo
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- CN108396265A CN108396265A CN201810363921.2A CN201810363921A CN108396265A CN 108396265 A CN108396265 A CN 108396265A CN 201810363921 A CN201810363921 A CN 201810363921A CN 108396265 A CN108396265 A CN 108396265A
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- aluminium alloy
- graphene
- heat treatment
- temperature
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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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
- C22C49/04—Light metals
- C22C49/06—Aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/14—Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
-
- 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
Abstract
The invention discloses a kind of heat treatment methods of the aluminium alloy of graphene-containing, and according to mass percent meter, the aluminium alloy includes following components：Metallic fiber 8~10%, Mg5.5~7.2%, Fe 2.0~3.5%, graphene 1.2~2.6%, Sc 0.08~0.18%, Zr 0.08~0.18%, Y 0.12~0.22%, Si 0.02~0.07%, 0.01~0.03% Za Zhi≤0.15% of Mn 0.02~0.07%, Er 0.01~0.03%, Ce, surplus Al；The heat treatment step includes：S1, the aluminium alloy is heated to 300~400 DEG C, keeps the temperature 4~8h；500~600 DEG C are warming up to, 3~6h is kept the temperature；100~200 DEG C are cooled to, 2~3h is kept the temperature；S2, Water Quenching is carried out, wherein the temperature of water is 25~60 DEG C；S3, the aluminium alloy after water quenching is tempered at 300~400 DEG C；S4, it is made annealing treatment later, the temperature of the annealing is 100~200 DEG C, the time is 6~10h.Heat treatment method proposed by the present invention improves the intensity of the aluminium alloy of graphene-containing, and highest can improve the intensity of aluminium alloy to 685.In addition the invention also includes aluminium alloys prepared by above-mentioned heat treatment method.
Description
Technical field
The present invention relates to technical field of aluminium alloy preparation, the aluminium alloy more particularly to a kind of graphene-containing and its heat treatment
Method.
Background technology
Aluminium alloy is most widely used one kind non-ferrous metal structural material in industry, in Aeronautics and Astronautics, automobile, machinery
It has been widely applied in manufacture, ship and chemical industry.Aluminium alloy containing graphene has preferable thermal conductivity and electric conductivity.
Graphene is made of with the monoatomic layer that SP2 hydridization connects carbon atom, has excellent electric conductivity and heat conduction
Property, elasticity modulus reach 1TPa, and fracture strength is more than 100GPa, therefore graphene is a kind of enhancing of ideal aluminium alloy
Phase, but the intensity of the aluminium alloy containing graphene is to be improved.
Invention content
In order to solve the not high technical problem of the intensity of aluminum alloy containing graphene, the present invention proposes a kind of graphene-containing
Aluminium alloy and its heat treatment method.
The technical problem of the present invention is resolved by technical solution below：
The present invention proposes a kind of heat treatment method of the aluminium alloy of graphene-containing, according to mass percent meter, the aluminium
Alloy includes following components：Metallic fiber 8~10%, Mg5.5~7.2%, Fe 2.0~3.5%, graphene 1.2~2.6%,
Sc 0.08~0.18%, Zr 0.08~0.18%, Y 0.12~0.22%, Si 0.02~0.07%, Mn0.02~
0.07%, Er 0.01~0.03%, Ce 0.01~0.03%, Za Zhi≤0.15%, surplus Al；
The heat treatment step includes：
S1, the aluminium alloy is heated to 300~400 DEG C, keeps the temperature 4~8h；500~600 DEG C are warming up to, 3~6h is kept the temperature；
100~200 DEG C are cooled to, 2~3h is kept the temperature；
S2, Water Quenching is carried out, wherein the temperature of water is 25~60 DEG C；
S3, the aluminium alloy after water quenching is tempered at 300~400 DEG C；
S4, it is made annealing treatment later, the temperature of the annealing is 100~200 DEG C, the time is 6~10h.
Preferably, in step s3, the tempering time of the aluminium alloy is 3~6h.
Preferably, in step s 2, the time of the water quenching is 0.5~2h.
Preferably, in step s 2, the stir speed (S.S.) of the water is 100~200r/s%.
Preferably, in step s 4, the temperature of the annealing is 120~150 DEG C, the time is 7~8h.
Preferably, the temperature of the annealing is 120~150 DEG C, the time is 7~7.5h.
Preferably, the aluminium alloy is Al-alloy products made of extrusion casint.
Preferably, according to mass percent meter, the aluminium alloy includes following components：：Metallic fiber 9%, Mg6.4%,
Fe 2.5%, graphene 2.6%, Sc 0.08%, Zr 0.18%, Y 0.22%, Si 0.06%, Mn0.04%, Er
0.03%, Ce 0.02%, Za Zhi≤0.15%, surplus Al.
Further, the metallic fiber includes stainless steel fibre and/or carbon steel fiber.
The invention also provides a kind of heat treatment method systems of the aluminium alloy using graphene-containing described in any one of the above embodiments
Standby aluminium alloy.
The beneficial effect of the present invention compared with the prior art includes：The aluminium alloy includes multiple element and metallic fiber structure
At, multiple element is unevenly distributed in alloy matrix aluminum, is heated to 300~400 DEG C, keeps the temperature 4~8h, then it is warming up to 500~
6000 DEG C, keep the temperature 3~6h；100~200 DEG C are cooled to, 2~3h is kept the temperature, by higher temperatures at higher temperature finally compared with the place of low temperature
Reason process, each element are disperseed in alloy matrix aluminum, improve the distributing homogeneity of each element, and finally by aluminium alloy
Temperature be down to relatively low, in follow-up Water Quenching, the temperature of water is 25~60 DEG C so that the temperature difference of aluminium alloy and water is little
It will not cause the cracking of aluminium alloy；The quick forming core in temper later, annealing can prevent the core fast growth to be formed, really
It protects the second phase to be uniformly precipitated, improves the intensity of aluminium alloy, gained aluminium alloy, room temperature tensile intensity obtain after being handled using the present invention
To significantly improving, highest can be improved to 685MPa, by the strong of the alloy product of graphene-containing obtained by scheme designed by the present invention
Degree is improved well.
Specific implementation mode
The following further describes the present invention in combination with preferred embodiments.
Embodiment 1
Aluminium alloy in the present embodiment is Al-alloy products made of extrusion casint.
A kind of heat treatment method of the aluminium alloy of graphene-containing, according to mass percent meter, the aluminium alloy includes following
Component：Stainless steel fibre 9%, Mg6.4%, Fe 2.5%, graphene 2.6%, Sc 0.08%, Zr 0.18%, Y 0.22%,
Si 0.06%, Mn0.04%, Er 0.03%, Ce 0.02%, Za Zhi≤0.15%, surplus Al；
The heat treatment step includes：
S1, the aluminium alloy is heated to 300 DEG C, keeps the temperature 8h；600 DEG C are warming up to, 5h is kept the temperature；150 DEG C are cooled to, heat preservation
3h。
S2, Water Quenching is carried out, wherein the temperature of water is 50 DEG C；The time of water quenching is 1h；The stir speed (S.S.) of water is
100r/s。
S3,4h is tempered at 350~370 DEG C to the aluminium alloy after water quenching.
S4, it is made annealing treatment later, the temperature of the annealing is 100~120 DEG C, time 6h.
The present embodiment further includes aluminium alloy prepared by above-mentioned heat treatment method.
Embodiment 2
Aluminium alloy in the present embodiment is Al-alloy products made of extrusion casint.
A kind of heat treatment method of the aluminium alloy of graphene-containing, according to mass percent meter, the aluminium alloy includes following
Component：Stainless steel fibre 9%, Mg6.4%, Fe 2.5%, graphene 2.6%, Sc 0.08%, Zr 0.18%, Y 0.22%,
Si 0.06%, Mn0.04%, Er 0.03%, Ce 0.02%, Za Zhi≤0.15%, surplus Al；
The heat treatment step includes：
S1, the aluminium alloy is heated to 350 DEG C, keeps the temperature 6h；500 DEG C are warming up to, 6h is kept the temperature；100 DEG C are cooled to, heat preservation
2h。
S2, Water Quenching is carried out, wherein the temperature of water is 40 DEG C；The time of water quenching is 0.5h；The stir speed (S.S.) of water is
150r/s。
S3,6h is tempered at 300~320 DEG C to the aluminium alloy after water quenching.
S4, it is made annealing treatment later, the temperature of the annealing is 150~170 DEG C, time 8h.
The present embodiment further includes aluminium alloy prepared by above-mentioned heat treatment method.
Embodiment 3
Aluminium alloy in the present embodiment is Al-alloy products made of extrusion casint.
A kind of heat treatment method of the aluminium alloy of graphene-containing, according to mass percent meter, the aluminium alloy includes following
Component：Stainless steel fibre 9%, Mg6.4%, Fe 2.5%, graphene 2.6%, Sc 0.08%, Zr 0.18%, Y 0.22%,
Si 0.06%, Mn0.04%, Er 0.03%, Ce 0.02%, Za Zhi≤0.15%, surplus Al；
The heat treatment step includes：
S1, the aluminium alloy is heated to 400 DEG C, keeps the temperature 4h；550 DEG C are warming up to, 3h is kept the temperature；150 DEG C are cooled to, heat preservation
2.5h。
S2, Water Quenching is carried out, wherein the temperature of water is 30 DEG C；The time of water quenching is 1h；The stir speed (S.S.) of water is
120r/s。
S3,5h is tempered at 340~350 DEG C to the aluminium alloy after water quenching.
S4, it is made annealing treatment later, the temperature of the annealing is 160~180 DEG C, time 6h.
The present embodiment further includes aluminium alloy prepared by above-mentioned heat treatment method.
Embodiment 4
Aluminium alloy in the present embodiment is Al-alloy products made of extrusion casint.
A kind of heat treatment method of the aluminium alloy of graphene-containing, according to mass percent meter, the aluminium alloy includes following
Component：Carbon steel fiber 8%, Mg6.4%, Fe 2.8%, graphene 2.2%, Sc 0.15%, Zr 0.10%, Y 0.16%, Si
0.06%, Mn0.04%, Er 0.03%, Ce 0.02%, Za Zhi≤0.15%, surplus Al；
The heat treatment step includes：
S1, the aluminium alloy is heated to 400 DEG C, keeps the temperature 6h；550 DEG C are warming up to, 3h is kept the temperature；150 DEG C are cooled to, heat preservation
3h。
S2, Water Quenching is carried out, wherein the temperature of water is 25~40 DEG C；The time of water quenching is 2h；The stir speed (S.S.) of water is
150r/s。
S3,5h is tempered at 300~350 DEG C to the aluminium alloy after water quenching.
S4, it is made annealing treatment later, the temperature of the annealing is 120~150 DEG C, time 7h.
The present embodiment further includes aluminium alloy prepared by above-mentioned heat treatment method.
Embodiment 5
Aluminium alloy in the present embodiment is Al-alloy products made of extrusion casint.
A kind of heat treatment method of the aluminium alloy of graphene-containing, according to mass percent meter, the aluminium alloy includes following
Component：Carbon steel fiber 8%, Mg6.4%, Fe 2.8%, graphene 2.2%, Sc 0.15%, Zr 0.10%, Y 0.16%, Si
0.06%, Mn0.04%, Er 0.03%, Ce 0.02%, Za Zhi≤0.15%, surplus Al；
The heat treatment step includes：
S1, the aluminium alloy is heated to 350 DEG C, keeps the temperature 4h；500 DEG C are warming up to, 3h is kept the temperature；100 DEG C are cooled to, heat preservation
3h。
S2, Water Quenching is carried out, wherein the temperature of water is 60 DEG C；The time of water quenching is 2h；The stir speed (S.S.) of water is
200r/s。
S3,3h is tempered at 350~400 DEG C to the aluminium alloy after water quenching.
S4, it is made annealing treatment later, the temperature of the annealing is 100~120 DEG C, time 6h.The present embodiment
It further include aluminium alloy prepared by above-mentioned heat treatment method.
Embodiment 6
Aluminium alloy in the present embodiment is Al-alloy products made of extrusion casint.
A kind of heat treatment method of the aluminium alloy of graphene-containing, according to mass percent meter, the aluminium alloy includes following
Component：Carbon steel fiber 8%, Mg6.4%, Fe 2.8%, graphene 2.2%, Sc 0.15%, Zr 0.10%, Y 0.16%, Si
0.06%, Mn0.04%, Er 0.03%, Ce 0.02%, Za Zhi≤0.15%, surplus Al；
The heat treatment step includes：
S1, the aluminium alloy is heated to 400 DEG C, keeps the temperature 5h；600 DEG C are warming up to, 3h is kept the temperature；150 DEG C are cooled to, heat preservation
2h。
S2, Water Quenching is carried out, wherein the temperature of water is 25 DEG C；The time of water quenching is 0.5h；The stir speed (S.S.) of water is
100r/s。
S3,5h is tempered at 380~400 DEG C to the aluminium alloy after water quenching.
S4, it is made annealing treatment later, the temperature of the annealing is 160~180 DEG C, time 8h.The present embodiment
It further include aluminium alloy prepared by above-mentioned heat treatment method.
As the deformation of the present embodiment, the aluminium alloy in above-described embodiment can also be by gravitational casting or low pressure casting
Made of Al-alloy products.
The intensity of aluminium alloy after above-described embodiment 1-6 heat treatments and the aluminium alloy before heat treatment is compared, specifically
It is to be tested according to GB/t228-2010, obtains the Tensile strength data of the aluminium alloy, be shown in Table 1.
The comparison of the tensile strength of the 1 front and back aluminium alloy of embodiment 1-6 heat treatments of table
| Embodiment | Tensile strength (MPa) before heat treatment | Tensile strength (MPa) after heat treatment |
| Embodiment 1 | 468 | 624 |
| Embodiment 2 | 446 | 637 |
| Embodiment 3 | 473 | 653 |
| Embodiment 4 | 424 | 641 |
| Embodiment 5 | 452 | 685 |
| Embodiment 6 | 487 | 672 |
From table 1 it follows that the tensile strength of the aluminium alloy after technical solution heat nursing using the present invention obtains
It significantly improves, highest can be improved to 685MPa.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
The specific implementation of the present invention is confined to these explanations.For those skilled in the art to which the present invention belongs, it is not taking off
Under the premise of from present inventive concept, several equivalent substitute or obvious modifications can also be made, and performance or use is identical, all answered
When being considered as belonging to protection scope of the present invention.
Claims (9)
1. a kind of heat treatment method of the aluminium alloy of graphene-containing, which is characterized in that according to mass percent meter, the aluminium alloy
Including following components：Metallic fiber 8~10%, Mg5.5~7.2%, Fe 2.0~3.5%, graphene 1.2~2.6%, Sc
0.08~0.18%, Zr 0.08~0.18%, Y 0.12~0.22%, Si 0.02~0.07%, Mn 0.02~0.07%,
Er 0.01~0.03%, Ce 0.01~0.03%, Za Zhi≤0.15%, surplus Al；
The heat treatment step includes：
S1, the aluminium alloy is heated to 300~400 DEG C, keeps the temperature 4~8h；500~600 DEG C are warming up to, 3~6h is kept the temperature；Cooling
To 100~200 DEG C, 2~3h is kept the temperature；
S2, Water Quenching is carried out, wherein the temperature of water is 25~60 DEG C；
S3, the aluminium alloy after water quenching is tempered at 300~400 DEG C；
S4, it is made annealing treatment later, the temperature of the annealing is 100~200 DEG C, the time is 6~10h.
2. the heat treatment method of the aluminium alloy of graphene-containing as described in claim 1, which is characterized in that in step s3, institute
The tempering time for stating aluminium alloy is 3~6h.
3. the heat treatment method of the aluminium alloy of graphene-containing as described in claim 1, which is characterized in that in step s 2, institute
The time for stating water quenching is 0.5~2h.
4. the heat treatment method of the aluminium alloy of graphene-containing as described in claim 1, which is characterized in that in step s 2, institute
The stir speed (S.S.) for stating water is 100~200r/s.
5. the heat treatment method of the aluminium alloy of graphene-containing as described in claim 1, which is characterized in that in step s 4, institute
The temperature for stating annealing is 120~150 DEG C, the time is 7~8h.
6. the heat treatment method of the aluminium alloy of graphene-containing as described in claim 1, which is characterized in that the aluminium alloy is crowded
Al-alloy products made of die casting is made.
7. the heat treatment method of the aluminium alloy of graphene-containing as described in claim 1, which is characterized in that according to mass percent
Meter, the aluminium alloy includes following components：Metallic fiber 9%, Mg6.4%, Fe 2.5%, graphene 2.6%, Sc 0.08%,
Zr 0.18%, Y 0.22%, Si 0.06%, Mn0.04%, Er 0.03%, Ce 0.02%, Za Zhi≤0.15%, surplus are
Al。
8. the heat treatment method of the aluminium alloy of graphene-containing as described in claim 1, which is characterized in that the metallic fiber packet
Include stainless steel fibre and/or carbon steel fiber.
9. aluminium prepared by a kind of heat treatment method of aluminium alloy using claim 1-8 any one of them graphene-containings closes
Gold.
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Cited By (1)
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| CN115652231A (en) * | 2022-11-18 | 2023-01-31 | 南通市华阳铝制品有限公司 | Heat treatment method for high-strength aluminum alloy section |
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