CN107217179A - A kind of aluminum alloy materials, preparation method and use - Google Patents
A kind of aluminum alloy materials, preparation method and use Download PDFInfo
- Publication number
- CN107217179A CN107217179A CN201710398414.8A CN201710398414A CN107217179A CN 107217179 A CN107217179 A CN 107217179A CN 201710398414 A CN201710398414 A CN 201710398414A CN 107217179 A CN107217179 A CN 107217179A
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- aluminum alloy
- alloy materials
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- metal
- aluminium
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- 239000000956 alloy Substances 0.000 title claims abstract description 49
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title description 4
- 229910052718 tin Inorganic materials 0.000 claims abstract description 13
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 11
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 claims abstract description 10
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 10
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 10
- 229910045601 alloy Inorganic materials 0.000 claims description 21
- 229910052751 metal Inorganic materials 0.000 claims description 21
- 239000002184 metal Substances 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 15
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- 239000004411 aluminium Substances 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 239000012459 cleaning agent Substances 0.000 claims description 5
- 238000007872 degassing Methods 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 3
- 239000000155 melt Substances 0.000 description 9
- 238000005266 casting Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910018566 Al—Si—Mg Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a kind of aluminum alloy materials, described aluminum alloy materials are made up of following element by weight：9.5~11.5% Si, 0.20 0.30% Fe, 0.03 0.07% Cu, 0.25 0.40% Cr, 0.25 0.40% Sn, 0.40 0.80% Mn, 0.05 0.09% Zn, 0.10 0.30% Ti, surplus is Al.The advantage of aluminium alloy of the present invention is, by way of adjusting charging, aluminum alloy materials that the proportioning of material is obtained are with higher elongation percentage, and excellent yield strength and tensile strength.
Description
Technical field
The present invention relates to technical field of alloy, and in particular to a kind of aluminum alloy materials, preparation method and use.
Background technology
Al-Si-Mg alloys possess higher comprehensive mechanical performance, are widely used in automobile industry.With auto industry
It is flourishing send out, the exploitation and research to aluminium alloy are improved constantly, in addition, auto industry environmental pollution is also gradually by people institute
Concern.Under this background, a kind of Lightweight Technology is extended among each parts of automobile, mainly strong by improving
Degree, cuts down aluminium alloy consumption and is means to realize, and develops a kind of novel high-strength aluminium alloy and can yet be regarded as a kind of maximally efficient hand
Section.
Matched by changing the element in aluminium alloy, polytype aluminum alloy materials can be obtained.According to DIN-
EN1706:AlSi10MnMg described in 2010 is a kind of new aluminium alloy, and it is applied to high-pressure casting, and with good
Mechanical performance
The content of the invention
It is therefore an object of the present invention to provide a kind of new aluminum alloy materials.
In one aspect of the invention there is provided a kind of aluminum alloy materials, described aluminum alloy materials by weight by with
Under element constituted：9.5~11.5% Si, 0.20-0.30% Fe, 0.03-0.07% Cu, 0.25-0.40%'s
Cr, 0.25-0.40% Sn, 0.40-0.80% Mn, 0.05-0.09% Zn, 0.10-0.30% Ti, surplus are Al.
In currently preferred aspect, described Cr content is 0.30-0.35% by weight, described Sn content
For 0.25-0.40% by weight.
In currently preferred aspect, described Cr and Sn content are by weight 1:0.92-1.20.
In currently preferred aspect, described Cr and Sn content are by weight 1:1.12.
In currently preferred aspect, described described aluminum alloy materials are made up of following element by weight：
9.5~11.5% Si, 0.25% Fe, 0.05% Cu, 0.25-0.40% Cr, 0.25-0.40% Sn, 0.40-
0.80% Mn, 0.07% Zn, 0.10-0.30% Ti, surplus are Al.
In currently preferred aspect, described aluminum alloy materials are prepared as follows：(1) basis is provided
Alloy, described base alloy is made up of following element by weight：9.5~11.5% Si, 0.25% Fe,
0.05% Cu, 0.40-0.80% Mn, 0.07% Zn, 0.10-0.30% Ti, surplus are Al；(2) by the aluminium of step 1
Alloy melts in aluminium melting furnace, maintains the temperature at 720-735 DEG C；(3) granular metal is added in the melt that step 2 is obtained
Cr and it is kept stirring for, charging rate is controlled in aluminium alloy per ton addition metal Cr 0.20-0.40 kilogram per minute, has been added
Bi Houji is continuous to be kept stirring for and is incubated 3-5 minutes；(4) granular metal Sn is added in the melt that step 3 is obtained, and is protected
Hold stirring；(5) slag-cleaning agent of alloy gross weight 0.2% is added, while being passed through nitrogen degasification 10min.
In currently preferred aspect, in step (3), described charging rate control aluminium alloy per ton it is per minute plus
Enter metal Cr 0.28-0.35 kilogram.
In currently preferred aspect, in step (3), described metal Cr is added in the form of granular metal Cr,
Its average diameter of particles is 1.5-5.0mm.
The advantage of the aluminium alloy of the present invention is, by way of adjusting charging, the aluminium alloy material that the proportioning of material is obtained
Material has higher elongation percentage, and excellent yield strength and tensile strength.
Embodiment
The preparation of the aluminum alloy materials of embodiment 1
Method as described below prepares aluminium alloy, and described method includes step：
(1) base alloy is provided, described base alloy by weight by following element constitute 10.5% Si,
0.25% Fe, 0.05% Cu, 0.60% Mn, 0.07% Zn, 0.20% Ti, surplus is Al.The base alloy is purchased
From Alcoa Inc.
(2) aluminium alloy of step 1 is melted in aluminium melting furnace, maintains the temperature at 720-735 DEG C；
(3) granular metal Cr is added in the melt that step 2 is obtained and is kept stirring for, charging rate is controlled every
Ton aluminium alloy is per minute to add 0.32 kilogram of metal Cr, and addition, which is finished, follow-up continuous is kept stirring for and is incubated 4 minutes；
(4) granular metal Sn is added in the melt that step 3 is obtained, and is kept stirring for；
(5) slag-cleaning agent of alloy gross weight 0.2% is added, while being passed through nitrogen degasification 10min.
After five steps more than, T6 heat treatments are carried out to poured ingot casting, 540 DEG C of solid solubility temperature is incubated 280min
After quench, afterwards in 150 DEG C of timeliness 150min, obtain the aluminium ingot of test group.
The aluminium ingot of control group 1 is prepared for according further to following method：
(1) base alloy is provided, described base alloy by weight by following element constitute 10.5% Si,
0.25% Fe, 0.05% Cu, 0.60% Mn, 0.07% Zn, 0.20% Ti, surplus is Al.The base alloy is purchased
From Alcoa Inc.
(2) aluminium alloy of step 1 is melted in aluminium melting furnace, maintains the temperature at 720-735 DEG C；
(3) granular metal Cr and Sn is added in the melt that step 2 is obtained and is kept stirring for, two kinds of metals are
Disposable addition, addition, which is finished, follow-up continuous is kept stirring for and is incubated 4 minutes；
(4) granular metal Sn is added in the melt that step 3 is obtained, and is kept stirring for；
(5) slag-cleaning agent of alloy gross weight 0.2% is added, while being passed through nitrogen degasification 10min.
After five steps more than, T6 heat treatments are carried out to poured ingot casting, 540 DEG C of solid solubility temperature is incubated 280min
After quench, afterwards in 150 DEG C of timeliness 150min, obtain the aluminium ingot of control group 1.
The aluminium ingot of control group 2 is prepared for according further to following method：
(1) base alloy is provided, described base alloy by weight by following element constitute 10.5% Si,
0.25% Fe, 0.05% Cu, 0.60% Mn, 0.07% Zn, 0.20% Ti, surplus is Al.The base alloy is purchased
From Alcoa Inc.
(2) aluminium alloy of step 1 is melted in aluminium melting furnace, maintains the temperature at 720-735 DEG C；
(3) the metal Cr and Sn of block is added in the melt that step 2 is obtained and is kept stirring for, two kinds of metals are one
The addition of secondary property, addition, which is finished, follow-up continuous is kept stirring for and is incubated 4 minutes；
(4) granular metal Sn is added in the melt that step 3 is obtained, and is kept stirring for；
(5) slag-cleaning agent of alloy gross weight 0.2% is added, while being passed through nitrogen degasification 10min.
After five steps more than, T6 heat treatments are carried out to poured ingot casting, 540 DEG C of solid solubility temperature is incubated 280min
After quench, afterwards in 150 DEG C of timeliness 150min, obtain the aluminium ingot of control group 2.
The mechanical test of the aluminum alloy materials of embodiment 2
The test group prepared in embodiment 1, control group 1-2 and raw material aluminum alloy materials are subjected to test assessment,
So as to judge the superiority-inferiority of its elongation percentage, yield strength and tensile strength.
Tested as follows：
Elongation percentage：Tested according to the method for GB T 13822-1992 national standards.Specifically, using A type pulling force
Sample is carried out.
Yield strength：According to Acta Physica Sinica the 8th phase in 2006,《The dynamic yield strength of LY12 aluminium alloys under Impulsive load
With spallation strength and the correlation of temperature》The method of periodical is tested.
Tensile strength：Tested according to the method for GB T 13822-1992 national standards.Specifically, drawn using A types
Power sample is carried out.
According to above method, 5 groups are measured respectively and is averaged, result is obtained as shown in table 2.
Table 2：The performance of each group aluminum alloy materials
As can be seen here, metal Cr and Sn are separately added into, and generated when being added using particle form unexpected
Ascending effect on elongation percentage.
Claims (8)
1. a kind of aluminum alloy materials, described aluminum alloy materials are made up of following element by weight：9.5~11.5%
Si, 0.20-0.30% Fe, 0.03-0.07% Cu, 0.25-0.40% Cr, 0.25-0.40% Sn, 0.40-
0.80% Mn, 0.05-0.09% Zn, 0.10-0.30% Ti, surplus are Al.
2. aluminum alloy materials according to claim 1, it is characterised in that described Cr content is 0.30- by weight
0.35%, described Sn content are 0.25-0.40% by weight.
3. aluminum alloy materials according to claim 1, it is characterised in that described Cr and Sn content are by weight 1:
0.92-1.20。
4. aluminum alloy materials according to claim 1, it is characterised in that described Cr and Sn content are by weight 1:
1.12。
5. aluminum alloy materials according to claim 1, it is characterised in that described described aluminum alloy materials are by weight
It is made up of following element：9.5~11.5% Si, 0.25% Fe, 0.05% Cu, 0.25-0.40% Cr,
0.25-0.40% Sn, 0.40-0.80% Mn, 0.07% Zn, 0.10-0.30% Ti, surplus are Al.
6. the aluminum alloy materials according to any one of claim 1-5, it is characterised in that described aluminum alloy materials be by
Prepared according to following method：(1) base alloy is provided, described base alloy is made up of following element by weight：
9.5~11.5% Si, 0.25% Fe, 0.05% Cu, 0.40-0.80% Mn, 0.07% Zn, 0.10-0.30%
Ti, surplus is Al；(2) aluminium alloy of step 1 is melted in aluminium melting furnace, maintains the temperature at 720-735 DEG C；(3) in step 2
Granular metal Cr is added in obtained melt and is kept stirring for, charging rate control is in aluminium alloy per ton addition per minute
Metal Cr 0.20-0.40 kilogram, addition, which is finished, follow-up continuous is kept stirring for and is incubated 3-5 minutes；(4) melt obtained in step 3
It is middle to add granular metal Sn, and be kept stirring for；(5) slag-cleaning agent of alloy gross weight 0.2% is added, while being passed through nitrogen
Degasification 10min.
7. aluminum alloy materials according to claim 6, it is characterised in that in step (3), described charging rate control
In aluminium alloy per ton addition metal Cr 0.28-0.35 kilogram per minute.
8. aluminum alloy materials according to claim 6, it is characterised in that in step (3), described metal Cr is with particle
Shape metal Cr form is added, and its average diameter of particles is 1.5-5.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710398414.8A CN107217179B (en) | 2017-05-31 | 2017-05-31 | A kind of aluminum alloy materials, preparation method and use |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710398414.8A CN107217179B (en) | 2017-05-31 | 2017-05-31 | A kind of aluminum alloy materials, preparation method and use |
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| Publication Number | Publication Date |
|---|---|
| CN107217179A true CN107217179A (en) | 2017-09-29 |
| CN107217179B CN107217179B (en) | 2019-03-19 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103695731A (en) * | 2013-08-14 | 2014-04-02 | 秦皇岛开发区美铝合金有限公司 | Production process of aluminium alloy specially used for automobile hubs in salt damage regions |
| CN103834835A (en) * | 2012-11-21 | 2014-06-04 | 乔治费歇尔压铸有限责任两合公司 | Aluminum pressure casting alloy |
| CN103849797A (en) * | 2014-01-16 | 2014-06-11 | 滁州东润电子科技有限公司 | Casting aluminum alloy material for light-emitting diode (LED) lamp radiator and preparation technology thereof |
| CN104471090A (en) * | 2012-04-17 | 2015-03-25 | 乔治费歇尔压铸有限责任两合公司 | Aluminium alloy |
| CN104561675A (en) * | 2015-01-12 | 2015-04-29 | 许云飞 | Automobile aluminum base alloy bearing and preparation method thereof |
| CN106591642A (en) * | 2016-12-23 | 2017-04-26 | 灏昕汽车零部件制造无锡有限公司 | Production technology of shock absorber supporting seat |
-
2017
- 2017-05-31 CN CN201710398414.8A patent/CN107217179B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104471090A (en) * | 2012-04-17 | 2015-03-25 | 乔治费歇尔压铸有限责任两合公司 | Aluminium alloy |
| CN103834835A (en) * | 2012-11-21 | 2014-06-04 | 乔治费歇尔压铸有限责任两合公司 | Aluminum pressure casting alloy |
| CN103695731A (en) * | 2013-08-14 | 2014-04-02 | 秦皇岛开发区美铝合金有限公司 | Production process of aluminium alloy specially used for automobile hubs in salt damage regions |
| CN103849797A (en) * | 2014-01-16 | 2014-06-11 | 滁州东润电子科技有限公司 | Casting aluminum alloy material for light-emitting diode (LED) lamp radiator and preparation technology thereof |
| CN104561675A (en) * | 2015-01-12 | 2015-04-29 | 许云飞 | Automobile aluminum base alloy bearing and preparation method thereof |
| CN106591642A (en) * | 2016-12-23 | 2017-04-26 | 灏昕汽车零部件制造无锡有限公司 | Production technology of shock absorber supporting seat |
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| CN107217179B (en) | 2019-03-19 |
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Effective date of registration: 20200424 Address after: 066000, No. 95, North Ring Road, Qinhuangdao seaport, Hebei Patentee after: CITIC BOHAI ALUMINIUM INDUSTRIES HOLDING Co.,Ltd. Address before: 066011 No. 185, Longhai Road, Qinhuangdao economic and Technological Development Zone, Hebei Patentee before: CITIC Dicastal Co.,Ltd. |