CN104294103A - Preparation method for thin aluminium alloy - Google Patents
Preparation method for thin aluminium alloy Download PDFInfo
- Publication number
- CN104294103A CN104294103A CN201410591191.3A CN201410591191A CN104294103A CN 104294103 A CN104294103 A CN 104294103A CN 201410591191 A CN201410591191 A CN 201410591191A CN 104294103 A CN104294103 A CN 104294103A
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- aluminum alloy
- aluminium
- titanium
- preparation
- zirconium
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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
-
- 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
-
- 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
- C22C1/03—Making non-ferrous alloys by melting using master alloys
Abstract
The invention relates to a preparation method for a thin aluminium alloy. The preparation method comprises the steps of dosing, smelting and cooling. The thin aluminium alloy is prepared from the following ingredients in percentage by weight: 5.8-7.5% of silicon, 0.1-0.3% of manganese, 0.1-0.3% of nickel, 0.1-0.15% of magnesium, 1.0-1.2% of copper, 0.8-1.2% of ferrum, 0.1-0.3% of chromium, 0.01-0.02% of zirconium, 0.01-0.02% of strontium, 0.01-0.03% of tellurium, 0.01-0.05% of bismuth, 0.03-0.05% of stannum, 0.3-0.5% of titanium, 0.01-0.03% of boron, 0.01-0.03% of vanadium and the balance of aluminium. By adding strontium, titanium, zirconium, vanadium and boron into an aluminium alloy, silicon-aluminum rod grains can be prevented from forming in the aluminium alloy, and fine grains are formed.
Description
Technical field
The invention belongs to field of aluminum alloys, refer to a kind of thin aluminum alloy Preparation Method especially.
Background technology
The density of fine aluminium is little, erosion resistance is high, fusing point is low, is approximately 660 DEG C, and has very high plasticity, is easy to processing.But the intensity of fine aluminium is low, in order to the scope of application of aluminium can be improved, by long-term research, while intensity can being improved after adding some other element obtain aluminium alloy in fine aluminium, still keep the corrosion resistance nature of fine aluminium, high-ductility performance.And when with the addition of some element as titanium metal, its intensity exceedes a lot of steel alloy, and light specific gravity, be widely used in machinofacture, aircraft industry, automobile and building materials field with alternative iron or iron alloy, to realize alleviating deadweight and reducing energy consumption.
The intensity of aluminium alloy is high, exceed the intensity of many steel alloys, but when casting, when particularly processing thin sheet material, also there is following defect, is exactly in castingprocesses, because in high-pressure casting process, can cause the structural modification in aluminum alloy organization, and cause aluminum alloy surface to occur the phenomenons such as crackle, this phenomenon result in the performance of product and defect appears in corrosion resistance nature.
Summary of the invention
The object of this invention is to provide a kind of material preparation method of thin aluminium alloy, by the technical program, its aluminum alloy plate materials produced is thinner, and the feature such as stable performance flawless.
The present invention is achieved by the following technical solutions:
A kind of thin aluminum alloy Preparation Method,
Batching;
Melting, first puts into heat fused in smelting furnace by the copper through calculating, nickel and partinium; Add aluminium ingot, after aluminium ingot all melting, adding the silicon grain through calculating, heating to 850-900 DEG C and being incubated 1-2 hour; Add all the other materials, after having confirmed all fusings, carry out refining treatment; After the aluminum alloy melt obtained is incubated 20-30 minute at 850-870 DEG C, with at least 30 DEG C/min of 150-200 DEG C that at the uniform velocity lower the temperature, then is warming up to 850-870 DEG C, breeds after 30-60 minute and carry out constant temperature casting;
Cooling, remains a constant speed and is tempered to 180-200 DEG C after being cooled to 130-150 DEG C and is incubated 1-2 hour, naturally cooling.
Described cooling rate maintains 25-30 DEG C/min.
Adopt above-mentioned aluminium alloy to carry out high-pressure casting and obtain required sheet material.
Described batching is, its composition is by weight percentage, the copper of the nickel of the silicon of 5.8-7.5%, the manganese of 0.1-0.3%, 0.1-0.3%, the magnesium of 0.1-0.15%, 1.0-1.2%, the iron of 0.8-1.2%, the chromium of 0.1-0.3%, the zirconium of 0.01-0.02%, the strontium of 0.01-0.02%, the tellurium of 0.01-0.03%, the bismuth of 0.01-0.05%, the tin of 0.03-0.05%, the vanadium of the titanium of 0.3-0.5%, the boron of 0.01-0.03%, 0.01-0.03%, surplus are aluminium.
Described strontium, zirconium, titanium, vanadium add in the mode of strontium aluminium alloy, zirconium alloy, titanium aluminum alloy, vananum respectively.
The present invention's beneficial effect is compared with the existing technology:
1, by adding strontium, titanium, zirconium, vanadium, boron in aluminium alloy, the formation forming silicon-aluminium bar-like grains in aluminium alloy can be suppressed, and form tiny crystal grain.
2, by preparation method of the present invention, in casting cycle, made the crystal grain in alloy grow fully, therefore in the high-pressure casting process in later stage, crystal grain overgrowth again can not have been caused because of the rising of temperature.
Embodiment
Describe concrete technical scheme of the present invention in detail below by way of specific embodiment, should be understood that, it is limitation of the present invention that following embodiment only can be used for explaining the present invention and can not being used for explanation.
A kind of thin aluminum alloy Preparation Method,
Batching; Described batching is, its composition is by weight percentage, the copper of the nickel of the silicon of 5.8-7.5%, the manganese of 0.1-0.3%, 0.1-0.3%, the magnesium of 0.1-0.15%, 1.0-1.2%, the iron of 0.8-1.2%, the chromium of 0.1-0.3%, the zirconium of 0.01-0.02%, the strontium of 0.01-0.02%, the tellurium of 0.01-0.03%, the bismuth of 0.01-0.05%, the tin of 0.03-0.05%, the vanadium of the titanium of 0.3-0.5%, the boron of 0.01-0.03%, 0.01-0.03%, surplus are aluminium.
Described strontium, zirconium, titanium, vanadium add in the mode of strontium aluminium alloy, zirconium alloy, titanium aluminum alloy, vananum respectively.
Melting, first puts into heat fused in smelting furnace by the copper through calculating, nickel and partinium; Add aluminium ingot, after aluminium ingot all melting, adding the silicon grain through calculating, heating to 850-900 DEG C and being incubated 1-2 hour; Add all the other materials, after having confirmed all fusings, carry out refining treatment; After the aluminum alloy melt obtained is incubated 20-30 minute at 850-870 DEG C, with at least 30 DEG C/min of 150-200 DEG C that at the uniform velocity lower the temperature, then is warming up to 850-870 DEG C, breeds after 30-60 minute and carry out constant temperature casting;
Cooling, remains a constant speed and is tempered to 180-200 DEG C after being cooled to 130-150 DEG C and is incubated 1-2 hour, naturally cooling.
Described cooling rate maintains 25-30 DEG C/min.
Adopt above-mentioned aluminium alloy to carry out high-pressure casting and obtain required sheet material.
In following examples of the application, be only that the composition of material is different, remaining preparation method is identical, therefore, no longer carries out repeat specification.
Embodiment 1
Described batching is, its composition is by weight percentage, the silicon of 5.8%, the manganese of 0.1%, the nickel of 0.1%, magnesium, the copper of 1.0%, iron, the chromium of 0.1%, zirconium, the strontium of 0.01%, the tellurium of 0.01% of 0.01% of 0.8% of 0.1%, the bismuth of 0.01%, the tin of 0.03%, the titanium of 0.3%, the boron of 0.01%, 0.01% vanadium, surplus be aluminium.
Embodiment 2
Described batching is, its composition is by weight percentage, the silicon of 7.5%, the manganese of 0.3%, the nickel of 0.3%, magnesium, the copper of 1.2%, iron, the chromium of 0.3%, zirconium, the strontium of 0.02%, the tellurium of 0.03% of 0.02% of 1.2% of 0.15%, the bismuth of 0.05%, the tin of 0.05%, the titanium of 0.5%, the boron of 0.03%, 0.03% vanadium, surplus be aluminium.
Embodiment 3
Described batching is, its composition is by weight percentage, the silicon of 6.2%, the manganese of 0.2%, the nickel of 0.25%, magnesium, the copper of 1.1%, iron, the chromium of 0.22%, zirconium, the strontium of 0.015%, the tellurium of 0.015% of 0.015% of 1.0% of 0.13%, the bismuth of 0.03%, the tin of 0.04%, the titanium of 0.45%, the boron of 0.02%, 0.02% vanadium, surplus be aluminium.
Claims (5)
1. a thin aluminum alloy Preparation Method, is characterized in that:
Batching;
Melting, first puts into heat fused in smelting furnace by the copper through calculating, nickel and partinium; Add aluminium ingot, after aluminium ingot all melting, adding the silicon grain through calculating, heating to 850-900 DEG C and being incubated 1-2 hour; Add all the other materials, after having confirmed all fusings, carry out refining treatment; After the aluminum alloy melt obtained is incubated 20-30 minute at 850-870 DEG C, with at least 30 DEG C/min of 150-200 DEG C that at the uniform velocity lower the temperature, then is warming up to 850-870 DEG C, breeds after 30-60 minute and carry out constant temperature casting;
Cooling, remains a constant speed and is tempered to 180-200 DEG C after being cooled to 130-150 DEG C and is incubated 1-2 hour, naturally cooling.
2. thin aluminum alloy Preparation Method according to claim 1, is characterized in that: described cooling rate maintains 25-30 DEG C/min.
3. thin aluminum alloy Preparation Method according to claim 1, is characterized in that: adopt above-mentioned aluminium alloy to carry out high-pressure casting and obtain required sheet material.
4. thin aluminum alloy Preparation Method according to claim 1, it is characterized in that: described batching is, its composition is by weight percentage, the copper of the nickel of the silicon of 5.8-7.5%, the manganese of 0.1-0.3%, 0.1-0.3%, the magnesium of 0.1-0.15%, 1.0-1.2%, the iron of 0.8-1.2%, the chromium of 0.1-0.3%, the zirconium of 0.01-0.02%, the strontium of 0.01-0.02%, the tellurium of 0.01-0.03%, the bismuth of 0.01-0.05%, the tin of 0.03-0.05%, the vanadium of the titanium of 0.3-0.5%, the boron of 0.01-0.03%, 0.01-0.03%, surplus are aluminium.
5. thin aluminum alloy Preparation Method according to claim 1, is characterized in that: described strontium, zirconium, titanium, vanadium add in the mode of strontium aluminium alloy, zirconium alloy, titanium aluminum alloy, vananum respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410591191.3A CN104294103A (en) | 2014-10-29 | 2014-10-29 | Preparation method for thin aluminium alloy |
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| CN201410591191.3A CN104294103A (en) | 2014-10-29 | 2014-10-29 | Preparation method for thin aluminium alloy |
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| CN104294103A true CN104294103A (en) | 2015-01-21 |
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| CN201410591191.3A Pending CN104294103A (en) | 2014-10-29 | 2014-10-29 | Preparation method for thin aluminium alloy |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191558A (en) * | 2016-08-17 | 2016-12-07 | 杨雯雯 | One is used for casting thin aluminium alloy preparation method |
| CN106222495A (en) * | 2016-08-17 | 2016-12-14 | 杨雯雯 | A kind of material for casting thin aluminium alloy |
| CN108165842A (en) * | 2017-12-25 | 2018-06-15 | 广东省材料与加工研究所 | A kind of semisolid pressure casting high heat conduction aluminium alloy and its pressure casting method |
| CN108384993A (en) * | 2018-03-13 | 2018-08-10 | 朱威威 | A kind of high-strength aluminum alloy and its manufacture craft |
| CN113755721A (en) * | 2020-06-01 | 2021-12-07 | 中国石油化工股份有限公司 | Aluminum-silicon-tellurium-copper magnetic alloy, preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5347315A (en) * | 1976-10-12 | 1978-04-27 | Takatsuki Daikasuto Kk | Aluminium die casting alloy |
| CN103014436A (en) * | 2012-11-26 | 2013-04-03 | 姚富云 | Material capable of preventing large grains from being produced in aluminium alloy and preparation method thereof |
| CN103014435A (en) * | 2012-11-26 | 2013-04-03 | 姚富云 | Material used for casting thin aluminium alloy and preparation method thereof |
| CN103014434A (en) * | 2012-11-26 | 2013-04-03 | 姚富云 | Aluminum alloy and preparation method thereof |
-
2014
- 2014-10-29 CN CN201410591191.3A patent/CN104294103A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5347315A (en) * | 1976-10-12 | 1978-04-27 | Takatsuki Daikasuto Kk | Aluminium die casting alloy |
| CN103014436A (en) * | 2012-11-26 | 2013-04-03 | 姚富云 | Material capable of preventing large grains from being produced in aluminium alloy and preparation method thereof |
| CN103014435A (en) * | 2012-11-26 | 2013-04-03 | 姚富云 | Material used for casting thin aluminium alloy and preparation method thereof |
| CN103014434A (en) * | 2012-11-26 | 2013-04-03 | 姚富云 | Aluminum alloy and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191558A (en) * | 2016-08-17 | 2016-12-07 | 杨雯雯 | One is used for casting thin aluminium alloy preparation method |
| CN106222495A (en) * | 2016-08-17 | 2016-12-14 | 杨雯雯 | A kind of material for casting thin aluminium alloy |
| CN108165842A (en) * | 2017-12-25 | 2018-06-15 | 广东省材料与加工研究所 | A kind of semisolid pressure casting high heat conduction aluminium alloy and its pressure casting method |
| CN108384993A (en) * | 2018-03-13 | 2018-08-10 | 朱威威 | A kind of high-strength aluminum alloy and its manufacture craft |
| CN113755721A (en) * | 2020-06-01 | 2021-12-07 | 中国石油化工股份有限公司 | Aluminum-silicon-tellurium-copper magnetic alloy, preparation method and application thereof |
| CN113755721B (en) * | 2020-06-01 | 2022-06-28 | 中国石油化工股份有限公司 | Aluminum-silicon-tellurium-copper magnetic alloy, preparation method and application thereof |
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Application publication date: 20150121 |