CN107287458A - A kind of method for casting aluminium alloy - Google Patents
A kind of method for casting aluminium alloy Download PDFInfo
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- CN107287458A CN107287458A CN201710469508.XA CN201710469508A CN107287458A CN 107287458 A CN107287458 A CN 107287458A CN 201710469508 A CN201710469508 A CN 201710469508A CN 107287458 A CN107287458 A CN 107287458A
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- aluminium alloy
- casting
- melting
- casting 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
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
- B22D21/02—Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
- B22D21/04—Casting aluminium or magnesium
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of method for casting aluminium alloy, comprise the following steps：1) raw material of industry is subjected to melting, obtains melting matter；2) melting matter is carried out to online refinement, online degasification and on-line filtration successively, obtains and Al Ti B RE fining agents is used in on-line treated product, thinning process；3) institute's on-line treated product is cast, you can.The raw material of industry includes following component：Al, C, Si, Mg, Mn, Cr, Zn, Ti, Ni and Co.The method for casting aluminium alloy of the present invention is simple and convenient, aluminium alloy, which is made, by this kind of method has high yield strength and hardness, good hot-workability, excellent welding performance, high fracture toughness, and high anti-stress-corrosion ability, can extensively using with every field, for example：Automobile manufacturing field, the manufacture of sea-going ship body field and aerospace field etc., with wide market prospects.
Description
Technical field
The present invention relates to alloy casting field, and in particular to a kind of method for casting aluminium alloy.
Background technology
Aluminium alloy is the alloy assembly using aluminium as matrix element, the alloying element mainly included by copper, silicon, magnesium, zinc, manganese,
Also include the alloying elements such as nickel, iron, titanium, chromium, lithium.The density of aluminium alloy is low, but intensity is higher, near or above high-quality steel,
Plasticity is good, can be processed into various section bars, with excellent electric conductivity, thermal conductivity and corrosion stability, is in Aeronautics and Astronautics, automobile, machine
Most widely used class nonferrous materials in tool manufacture, ship and chemical industry, its usage amount is only second to steel.
Usual more than yield strength 500MPa aluminium alloy is referred to as ultrahigh-strength aluminum alloy, and they are with AL-Zn-Mg-
Heat-treatable strengthened aluminium alloy based on Cu systems and Al-Zn-Mg systems, since the middle of last century, in order to improve Al-Zn-Mg
The mechanical property of line aluminium alloy, and the stress corrosion that seriously exists in high zinc, high-magnesium aluminum alloy is solved the problems, such as, both at home and abroad at such
The elements such as Cu, Cr, Mn are added in aluminium alloy, a series of new A L-Zn-Mg-Cu extra super duralumin alloys are thereby produced.But due to
Technology and technique it is not mature enough, the performance for causing the aluminium alloy produced to be showed is unsatisfactory, therefore, is still required for changing
It is kind.
The content of the invention
For problems of the prior art, the invention provides a kind of method for casting aluminium alloy, aluminium of the invention is closed
Golden casting method is simple and convenient, and aluminium alloy, which is made, by this kind of method has high yield strength and hardness, good hot-working
Property, excellent welding performance, high fracture toughness, and high anti-stress-corrosion ability.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of method for casting aluminium alloy, is followed the steps below：
(1) raw material of industry is subjected to melting, obtains melting matter；
(2) melting matter is carried out to online refinement, online degasification and on-line filtration successively, on-line treated product is obtained, carefully
Al-Ti-B-RE fining agents are used during change；
(3) institute's on-line treated product is cast, you can；The speed of the casting is 28-32mm/min；
The raw material of industry includes following composition by weight：100-200 parts of Al, 1-3 parts of C, Si 0.5-1.5
Part, 0.5-1.5 parts of Mg, 0.4-0.8 parts of Mn, 0.3-0.7 parts of Cr, 0.1-0.5 parts of Zn, 0.1-0.4 parts of Ti, Ni 0.04-
0.09 part and 0.02-0.06 parts of Co.
Further, the raw material of industry includes following composition by weight：120-180 parts of Al, 1-2 parts of C, Si
0.8-1.2 parts, 0.8-1.2 parts of Mg, 0.5-0.7 parts of Mn, 0.4-0.6 parts of Cr, 0.2-0.4 parts of Zn, 0.1-0.3 parts of Ti, Ni
0.06-0.08 parts and 0.03-0.05 parts of Co.
Further, the raw material of industry includes following composition by weight：150 parts of Al, 1.5 parts of C, Si
0.04 part of 1.0 parts, 1.0 parts of Mg, 0.6 part of Mn, 0.5 part of Cr, 0.3 part of Zn, 0.2 part of Ti, 0.07 part of Ni and Co.
Further, in step (1), the temperature of the melting is 860-940 DEG C, and smelting time is 1-2h.
Further, in step (1), Fe, C, Si, Al, Mn, Cr, Zn and Ti is first subjected to melting, treat that furnace charge all melts
After change, Ni and Co is added, melting is carried out, obtains melting matter.
Further, in step (2), the temperature of the online degasification is 680-740 DEG C；The gas of the online degasification
Flow velocity is 30-35L/min.
Further, the flow of cooling water is 15-25m in the casting process3/h。
Yet further, when the length of the casting is between 0-250mm, the flow of cooling water in the casting process
For 15~20m3/h；As the length ＞ 250mm of the casting, the flow of cooling water is 20-25m in the casting process3/h。
The present invention has following beneficial effect：The method for casting aluminium alloy of the present invention is simple and convenient, passes through this kind of method
Obtained aluminium alloy has high yield strength and hardness, good hot-workability, excellent welding performance, high fracture toughness, with
And high anti-stress-corrosion ability, can extensively using with every field, for example：Automobile manufacturing field, sea-going ship body manufacture field and
Aerospace field etc., with wide market prospects.
Embodiment
The embodiment of the present invention is further described with reference to embodiment, following examples are only used for more
Technical scheme is clearly demonstrated, and can not be limited the scope of the invention with this.
Embodiment 1
A kind of method for casting aluminium alloy, it is characterised in that comprise the following steps：
(1) preparation aluminium alloy stock：Al 100kg、C 1kg、Si 0.5kg、Mg 0.5kg、Mn 0.4kg、Cr 0.3-
0.7kg, Zn 0.1kg, Ti 0.1kg, Ni 0.04kg and Co 0.02kg；
(2) raw material of industry is put into electric melting furnace and carries out melting, the temperature of melting is set as 860 DEG C, smelting time
Fe, C, Si, Al, Mn, Cr, Zn and Ti are first carried out melting by control in 1h, fusion process, after furnace charge all melts, and are added
Ni and Co, carries out melting, obtains melting matter, obtain melting matter；
(3) melting matter is carried out to online refinement, online degasification and on-line filtration successively, on-line treated product is obtained, carefully
Al-Ti-B-RE fining agents are used during change, and the temperature of online degasification is 680 DEG C；The gas flow rate of the online degasification is
30L/min；
(4) institute's on-line treated product is cast, that is, completes the casting of aluminium alloy of the present invention；Wherein, above-mentioned casting
Speed be 28mm/min；
When the length of the casting is between 0-250mm, the flow of cooling water is 15m in the casting process3/h；When
During the length ＞ 250mm of the casting, the flow of cooling water is 20m in the casting process3/h。
Embodiment 2
A kind of method for casting aluminium alloy, it is characterised in that comprise the following steps：
(1) preparation aluminium alloy stock：Al 120kg、C 1kg、Si 0.8kg、Mg 0.8kg、Mn 0.5kg、Cr 0.4kg、
Zn 0.2kg, Ti 0.1kg, Ni 0.06kg and Co 0.03kg；
(2) raw material of industry is put into electric melting furnace and carries out melting, the temperature of melting is set as 880 DEG C, smelting time
Fe, C, Si, Al, Mn, Cr, Zn and Ti are first carried out melting by control in 1.2h, fusion process, after furnace charge all melts, plus
Enter Ni and Co, carry out melting, obtain melting matter, obtain melting matter；
(3) melting matter is carried out to online refinement, online degasification and on-line filtration successively, on-line treated product is obtained, carefully
Al-Ti-B-RE fining agents are used during change, and the temperature of online degasification is 690 DEG C；The gas flow rate of the online degasification is
32L/min；
(4) institute's on-line treated product is cast, that is, completes the casting of aluminium alloy of the present invention；Wherein, above-mentioned casting
Speed be 29mm/min；
When the length of the casting is between 0-250mm, the flow of cooling water is 16m in the casting process3/h；When
During the length ＞ 250mm of the casting, the flow of cooling water is 21m in the casting process3/h。
Embodiment 3
A kind of method for casting aluminium alloy, it is characterised in that comprise the following steps：
(1) preparation aluminium alloy stock：Al 150kg、C 1.5kg、Si 1.0kg、Mg 1.0kg、Mn 0.6kg、Cr
0.5kg, Zn 0.3kg, Ti 0.2kg, Ni 0.07kg and Co 0.04kg；
(2) raw material of industry is put into electric melting furnace and carries out melting, the temperature of melting is set as 900 DEG C, smelting time
Fe, C, Si, Al, Mn, Cr, Zn and Ti are first carried out melting by control in 1.5h, fusion process, after furnace charge all melts, plus
Enter Ni and Co, carry out melting, obtain melting matter, obtain melting matter；
(3) melting matter is carried out to online refinement, online degasification and on-line filtration successively, on-line treated product is obtained, carefully
Al-Ti-B-RE fining agents are used during change, and the temperature of online degasification is 710 DEG C；The gas flow rate of the online degasification is
33L/min；
(4) institute's on-line treated product is cast, that is, completes the casting of aluminium alloy of the present invention；Wherein, above-mentioned casting
Speed be 30mm/min；
When the length of the casting is between 0-250mm, the flow of cooling water is 18m in the casting process3/h；When
During the length ＞ 250mm of the casting, the flow of cooling water is 23m in the casting process3/h。
Embodiment 4
A kind of method for casting aluminium alloy, it is characterised in that comprise the following steps：
(1) preparation aluminium alloy stock：Al 180kg、C 2kg、Si 1.2kg、Mg 1.2kg、Mn 0.7kg、Cr 0.6kg、
Zn 0.4kg, Ti 0.3kg, Ni 0.08kg and Co 0.05kg；
(2) raw material of industry is put into electric melting furnace and carries out melting, the temperature of melting is set as 920 DEG C, smelting time
Fe, C, Si, Al, Mn, Cr, Zn and Ti are first carried out melting by control in 1.8h, fusion process, after furnace charge all melts, plus
Enter Ni and Co, carry out melting, obtain melting matter, obtain melting matter；
(3) melting matter is carried out to online refinement, online degasification and on-line filtration successively, on-line treated product is obtained, carefully
Al-Ti-B-RE fining agents are used during change, and the temperature of online degasification is 720 DEG C；The gas flow rate of the online degasification is
34L/min；
(4) institute's on-line treated product is cast, that is, completes the casting of aluminium alloy of the present invention；Wherein, above-mentioned casting
Speed be 31mm/min；
When the length of the casting is between 0-250mm, the flow of cooling water is 190m in the casting process3/h；
As the length ＞ 250mm of the casting, the flow of cooling water is 24m in the casting process3/h。
Embodiment 5
A kind of method for casting aluminium alloy, it is characterised in that comprise the following steps：
(1) preparation aluminium alloy stock：Al 200kg、C 3kg、Si 1.5kg、Mg 1.5kg、Mn 0.8kg、Cr 0.7kg、
Zn 0.5kg, Ti 0.4kg, Ni 0.09kg and Co 0.06kg；
(2) raw material of industry is put into electric melting furnace and carries out melting, the temperature of melting is set as 940 DEG C, smelting time
Fe, C, Si, Al, Mn, Cr, Zn and Ti are first carried out melting by control in 2h, fusion process, after furnace charge all melts, and are added
Ni and Co, carries out melting, obtains melting matter, obtain melting matter；
(3) melting matter is carried out to online refinement, online degasification and on-line filtration successively, on-line treated product is obtained, carefully
Al-Ti-B-RE fining agents are used during change, and the temperature of online degasification is 740 DEG C；The gas flow rate of the online degasification is
35L/min；
(4) institute's on-line treated product is cast, that is, completes the casting of aluminium alloy of the present invention；Wherein, above-mentioned casting
Speed be 32mm/min；
When the length of the casting is between 0-250mm, the flow of cooling water is 20m in the casting process3/h；When
During the length ＞ 250mm of the casting, the flow of cooling water is 25m in the casting process3/h。
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (8)
1. a kind of method for casting aluminium alloy, it is characterised in that comprise the following steps：
(1) raw material of industry is subjected to melting, obtains melting matter；
(2) melting matter is carried out to online refinement, online degasification and on-line filtration successively, on-line treated product is obtained, refined
Al-Ti-B-RE fining agents are used in journey；
(3) institute's on-line treated product is cast, you can；The speed of the casting is 28-32mm/min；
The raw material of industry includes following composition by weight：100-200 parts of Al, 1-3 parts of C, 0.5-1.5 parts of Si, Mg
0.5-1.5 parts, 0.4-0.8 parts of Mn, 0.3-0.7 parts of Cr, 0.1-0.5 parts of Zn, 0.1-0.4 parts of Ti, 0.04-0.09 parts of Ni
With 0.02-0.06 parts of Co.
2. a kind of method for casting aluminium alloy according to claim 1, it is characterised in that the raw material of industry includes pressing below
The composition of parts by weight meter：120-180 parts of Al, 1-2 parts of C, 0.8-1.2 parts of Si, 0.8-1.2 parts of Mg, 0.5-0.7 parts of Mn, Cr
0.03-0.05 parts of 0.4-0.6 parts, 0.2-0.4 parts of Zn, 0.1-0.3 parts of Ti, 0.06-0.08 parts of Ni and Co.
3. a kind of method for casting aluminium alloy according to claim 1, it is characterised in that the raw material of industry includes pressing below
The composition of parts by weight meter：150 parts of Al, 1.5 parts of C, 1.0 parts of Si, 1.0 parts of Mg, 0.6 part of Mn, 0.5 part of Cr, 0.3 part of Zn,
0.04 part of 0.2 part of Ti, 0.07 part of Ni and Co.
4. a kind of method for casting aluminium alloy according to claim 1, it is characterised in that in step (1), the melting
Temperature is 860-940 DEG C, and smelting time is 1-2h.
5. a kind of method for casting aluminium alloy according to claim 1, it is characterised in that in step (1), first by Fe, C,
Si, Al, Mn, Cr, Zn and Ti carry out melting, after furnace charge all melts, and add Ni and Co, carry out melting, obtain melting matter.
6. a kind of method for casting aluminium alloy according to claim 1, it is characterised in that described to remove online in step (2)
The temperature of gas is 680-740 DEG C；The gas flow rate of the online degasification is 30-35L/min.
7. a kind of method for casting aluminium alloy according to claim 1, it is characterised in that cooling water in the casting process
Flow is 15-25m3/h。
8. a kind of method for casting aluminium alloy according to claim 1, it is characterised in that when the length of the casting is in 0-
When between 250mm, the flow of cooling water is 15~20m in the casting process3/h；As the length ＞ 250mm of the casting,
The flow of cooling water is 20-25m in the casting process3/h。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710469508.XA CN107287458A (en) | 2017-06-20 | 2017-06-20 | A kind of method for casting aluminium alloy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710469508.XA CN107287458A (en) | 2017-06-20 | 2017-06-20 | A kind of method for casting aluminium alloy |
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| CN107287458A true CN107287458A (en) | 2017-10-24 |
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| CN201710469508.XA Pending CN107287458A (en) | 2017-06-20 | 2017-06-20 | A kind of method for casting aluminium alloy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111360199A (en) * | 2020-04-08 | 2020-07-03 | 安徽羿维表面工程技术有限公司 | Alloy composition of alloy casting side guide plate |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104372216A (en) * | 2014-12-12 | 2015-02-25 | 西南铝业（集团）有限责任公司 | Aluminum alloy 7A04 and hot-top casting technology thereof |
| CN104372217A (en) * | 2014-12-12 | 2015-02-25 | 西南铝业（集团）有限责任公司 | Aluminum alloy 7050 and hot-top casting technology thereof |
| CN104907498A (en) * | 2015-04-23 | 2015-09-16 | 苏州劲元油压机械有限公司 | Casting technology of hydraulic valve |
-
2017
- 2017-06-20 CN CN201710469508.XA patent/CN107287458A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104372216A (en) * | 2014-12-12 | 2015-02-25 | 西南铝业（集团）有限责任公司 | Aluminum alloy 7A04 and hot-top casting technology thereof |
| CN104372217A (en) * | 2014-12-12 | 2015-02-25 | 西南铝业（集团）有限责任公司 | Aluminum alloy 7050 and hot-top casting technology thereof |
| CN104907498A (en) * | 2015-04-23 | 2015-09-16 | 苏州劲元油压机械有限公司 | Casting technology of hydraulic valve |
Non-Patent Citations (1)
| Title |
|---|
| 向凌霄: "《原铝及其合金的熔铸生产问答》", 28 February 2011 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111360199A (en) * | 2020-04-08 | 2020-07-03 | 安徽羿维表面工程技术有限公司 | Alloy composition of alloy casting side guide plate |
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