CN106191560A - A kind of material preventing aluminium alloy from big crystal grain occurring and preparation method - Google Patents
A kind of material preventing aluminium alloy from big crystal grain occurring and preparation method Download PDFInfo
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- CN106191560A CN106191560A CN201610684684.0A CN201610684684A CN106191560A CN 106191560 A CN106191560 A CN 106191560A CN 201610684684 A CN201610684684 A CN 201610684684A CN 106191560 A CN106191560 A CN 106191560A
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- aluminium alloy
- crystal grain
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- big crystal
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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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- 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
- 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
- C22F1/043—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 of alloys with silicon as the next major constituent
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- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Extrusion Of Metal (AREA)
Abstract
The present invention relates to a kind of material preventing aluminium alloy from big crystal grain occurring and preparation method, its composition is by weight percentage, the magnesium of 0.58 0.61%, the carbon of 0.03 0.035%, the silicon of 0.75 0.78%, the manganese of 0.30 0.35%, the chromium of 0.1 0.15%, the copper of 0.2 0.24%, the ferrum of 0.2 0.4%, the nickel of 0.1 0.3%, the zinc of 0.1 0.3%, the yttrium of 0.1 0.3%, cobalt, the cerium of 0.01 0.03%, the titanium of 0.03 0.05%, the vanadium of 0.001 0.0015% and the aluminum of surplus of 0.01 0.03%.Can preferably realize the crystal grain within aluminum alloy organization tiny and resist crystal grain growth；And pass through preparation technology, it is ensured that organizational structure uniform.
Description
Technical field
The invention belongs to aluminium alloy preparation field, particularly relate to a kind of material preventing aluminium alloy from big crystal grain occurring and preparation
Method.
Background technology
Because aluminium alloy have lightweight, intensity is high and corrosion resistant advantage, has been widely used in vehicle manufacture, machine
The field such as tool and building.In order to alleviate the weight of final products, the existing aluminum profile material used is thin-walled, the beginning such as hollow, and
For the aluminium alloy used as sheet material, existing production method is mainly manufactured by techniques such as extruding, but is extruding
Cheng Zhong, the deflection of aluminum alloy blank, compressive stress and intensification are big, thus crystal grain can be occurred in quenching process to regrow and ask
Topic, and grain growth is too fast and form uneven coarse grain.Such aluminum alloy organization structure, the power to final products
Learn performance, anti-fatigue performance and face corrosive nature all to have a great impact.
How can suppress aluminium alloy crystal grain regrowth during being processed into section bar, improve small grains in tissue
Ratio, to ensure aluminum alloy organization's consistent internal structure, be one of the major subjects of those skilled in the art.
Summary of the invention
It is an object of the invention to provide a kind of material preventing aluminium alloy from big crystal grain occurring and preparation method, by this technology
Scheme, it is possible to the crystal grain enabled aluminum alloy to is tiny and even tissue, improves the performance of product.
The present invention is achieved by the following technical solutions:
A kind of material preventing aluminium alloy from big crystal grain occurring, its composition is by weight percentage, the magnesium of 0.58-0.61%,
The carbon of 0.03-0.035%, the silicon of 0.75-0.78%, the manganese of 0.30-0.35%, the chromium of 0.1-0.15%, 0.2-0.24%
Copper, the ferrum of 0.2-0.4%, the nickel of 0.1-0.3%, the zinc of 0.1-0.3%, the yttrium of 0.1-0.3%, the cobalt of 0.01-0.03%,
The cerium of 0.01-0.03%, the titanium of 0.03-0.05%, the vanadium of 0.001-0.0015% and the aluminum of surplus.
Described preparation method is:
Dispensing, be by weight percentage, the magnesium of 0.58-0.61%, the carbon of 0.03-0.035%, the silicon of 0.75-0.78%,
The manganese of 0.30-0.35%, the chromium of 0.1-0.15%, the copper of 0.2-0.24%, the ferrum of 0.2-0.4%, the nickel of 0.1-0.3%,
The zinc of 0.1-0.3%, the yttrium of 0.1-0.3%, the cobalt of 0.01-0.03%, the cerium of 0.01-0.03%, the titanium of 0.03-0.05%,
The vanadium of 0.001-0.0015% and the aluminum of surplus carry out calculating dispensing；
Melting, carries out above-mentioned dispensing being smelted into liquid and being incubated 1-2 hour, carries out constant temperature casting, in temperature-fall period
Use and at the uniform velocity lower the temperature into aluminium alloy ingots；
Quenching, carries out constant temperature extruding, extrusion speed in 1-2 hour by aluminium alloy ingots at the glowing furnace inside holding of 520 ± 20 DEG C
At 1.5-2.5 m/min, and use the quenching of water liquid and air-blast quenching.
The described cooling rate at the uniform velocity lowered the temperature maintains 15-20 DEG C/min.
Described quenching process divides two stages, is first that water liquid is quenched to 250-280 DEG C, then carries out air-blast quenching to room
Temperature.
The present invention compared with the existing technology provides the benefit that:
By adding titanium and v element in the technical program, it is possible to preferably realize the crystal grain within aluminum alloy organization thin
Little and resist crystal grain growth；And pass through preparation technology, it is ensured that organizational structure uniform.
Detailed description of the invention
Technical scheme is described in detail, it should be appreciated that following is concrete below by way of specific embodiment
It can not be limitation of the present invention for explaining that embodiment is only capable of for explaining the present invention.
Add carbon in the inventive solutions and can preferably promote ferrum element fusing at aluminium alloy, improve tissue
Compactness, prevents excessive grain growth.
Embodiment 1
Described preparation method is:
Dispensing, be by weight percentage, the magnesium of 0.58%, the carbon of 0.03%, the silicon of 0.75%, the manganese of 0.30%, 0.1%
Chromium, the copper of 0.2%, the ferrum of 0.2%, the nickel of 0.1%, the zinc of 0.1%, the yttrium of 0.1%, the cobalt of 0.01%, the cerium of 0.01%,
The aluminum of the titanium of 0.03%, the vanadium of 0.001% and surplus carries out calculating dispensing；
Melting, carries out above-mentioned dispensing being smelted into liquid and being incubated 1 hour, carries out constant temperature casting, adopt in temperature-fall period
Maintain 15-20 DEG C/min by cooling rate and at the uniform velocity lower the temperature into aluminium alloy ingots；
Quenching, carries out constant temperature extruding in 1 hour by aluminium alloy ingots at the glowing furnace inside holding of 520 ± 20 DEG C, and extrusion speed exists
1.5-2.5 m/min, and use the quenching of water liquid and air-blast quenching；First it is that water liquid is quenched to 250-280 DEG C, then carries out wind
Cold quenching is to room temperature.
Embodiment 2
Described preparation method is:
Dispensing, be by weight percentage, the magnesium of 0.61%, the carbon of 0.035%, the silicon of 0.78%, the manganese of 0.35%,
The chromium of 0.15%, the copper of 0.24%, the ferrum of 0.4%, the nickel of 0.3%, the zinc of 0.3%, the yttrium of 0.3%, the cobalt of 0.03%,
The aluminum of the cerium of 0.03%, the titanium of 0.05%, the vanadium of 0.0015% and surplus carries out calculating dispensing；
Melting, carries out above-mentioned dispensing being smelted into liquid and being incubated 1.5 hours, carries out constant temperature casting, in temperature-fall period
Use cooling rate to maintain 15-20 DEG C/min and at the uniform velocity lower the temperature into aluminium alloy ingots；
Quenching, carries out constant temperature extruding in 2 hours by aluminium alloy ingots at the glowing furnace inside holding of 520 ± 20 DEG C, and extrusion speed exists
1.5-2.5 m/min, and use the quenching of water liquid and air-blast quenching；First it is that water liquid is quenched to 250-280 DEG C, then carries out wind
Cold quenching is to room temperature.
Embodiment 3
Described preparation method is:
Dispensing, be by weight percentage, the magnesium of 0.60%, the carbon of 0.03%, the silicon of 0.75%, the manganese of 0.33%,
The chromium of 0.12%, the copper of 0.22%, the ferrum of 0.3%, the nickel of 0.15%, the zinc of 0.2%, the yttrium of 0.15%, the cobalt of 0.015%,
The aluminum of the cerium of 0.02%, the titanium of 0.45%, the vanadium of 0.0015% and surplus carries out calculating dispensing；
Melting, carries out above-mentioned dispensing being smelted into liquid and being incubated 1.5 hours, carries out constant temperature casting, in temperature-fall period
Use cooling rate to maintain 15-20 DEG C/min and at the uniform velocity lower the temperature into aluminium alloy ingots；
Quenching, carries out constant temperature extruding in 2 hours by aluminium alloy ingots at the glowing furnace inside holding of 520 ± 20 DEG C, and extrusion speed exists
1.5-2.5 m/min, and use the quenching of water liquid and air-blast quenching；First it is that water liquid is quenched to 250-280 DEG C, then carries out wind
Cold quenching is to room temperature.
Claims (4)
1. one kind prevents the material that big crystal grain occurs in aluminium alloy, it is characterised in that: its composition is by weight percentage, 0.58-
The magnesium of 0.61%, the carbon of 0.03-0.035%, the silicon of 0.75-0.78%, the manganese of 0.30-0.35%, the chromium of 0.1-0.15%,
The copper of 0.2-0.24%, the ferrum of 0.2-0.4%, the nickel of 0.1-0.3%, the zinc of 0.1-0.3%, the yttrium of 0.1-0.3%, 0.01-
The cobalt of 0.03%, the cerium of 0.01-0.03%, the titanium of 0.03-0.05%, the vanadium of 0.001-0.0015% and the aluminum of surplus.
2. one kind prevents the material preparation method that big crystal grain occurs in aluminium alloy, it is characterised in that:
Dispensing, be by weight percentage, the magnesium of 0.58-0.61%, the carbon of 0.03-0.035%, the silicon of 0.75-0.78%,
The manganese of 0.30-0.35%, the chromium of 0.1-0.15%, the copper of 0.2-0.24%, the ferrum of 0.2-0.4%, the nickel of 0.1-0.3%,
The zinc of 0.1-0.3%, the yttrium of 0.1-0.3%, the cobalt of 0.01-0.03%, the cerium of 0.01-0.03%, the titanium of 0.03-0.05%,
The vanadium of 0.001-0.0015% and the aluminum of surplus carry out calculating dispensing；
Melting, carries out above-mentioned dispensing being smelted into liquid and being incubated 1-2 hour, carries out constant temperature casting, uses in temperature-fall period
At the uniform velocity lower the temperature into aluminium alloy ingots；
Quenching, carries out constant temperature extruding in 1-2 hour by aluminium alloy ingots at the glowing furnace inside holding of 520 ± 20 DEG C, and extrusion speed exists
1.5-2.5 m/min, and use the quenching of water liquid and air-blast quenching.
The material preparation method preventing aluminium alloy extrusions from big crystal grain occurring the most according to claim 2, it is characterised in that: institute
State the cooling rate at the uniform velocity lowered the temperature and maintain 15-20 DEG C/min.
The material preparation method preventing aluminium alloy extrusions from big crystal grain occurring the most according to claim 2, it is characterised in that: institute
State quenching process and divide two stages, be first that water liquid is quenched to 250-280 DEG C, then carry out air-blast quenching to room temperature.
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| CN201610684684.0A CN106191560A (en) | 2016-08-17 | 2016-08-17 | A kind of material preventing aluminium alloy from big crystal grain occurring and preparation method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106148773A (en) * | 2016-08-17 | 2016-11-23 | 任静儿 | A kind of material preventing aluminium alloy from big crystal grain occurring |
| CN106191483A (en) * | 2016-08-17 | 2016-12-07 | 任静儿 | A kind of material preparation method preventing aluminium alloy from big crystal grain occurring |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104294108A (en) * | 2014-10-29 | 2015-01-21 | 张超 | Composition for preventing aluminum alloy from causing large crystal grains and preparation method thereof |
| CN105256191A (en) * | 2015-11-12 | 2016-01-20 | 郭芙 | Material avoiding large grains in aluminum alloy and preparation method |
| CN105349851A (en) * | 2015-11-12 | 2016-02-24 | 郭芙 | Material capable of preventing large grains from appearing in aluminum alloy |
| CN105401008A (en) * | 2015-11-12 | 2016-03-16 | 薛亚红 | Material for preventing large grains from appearing in aluminum alloy and preparing method for material |
-
2016
- 2016-08-17 CN CN201610684684.0A patent/CN106191560A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104294108A (en) * | 2014-10-29 | 2015-01-21 | 张超 | Composition for preventing aluminum alloy from causing large crystal grains and preparation method thereof |
| CN105256191A (en) * | 2015-11-12 | 2016-01-20 | 郭芙 | Material avoiding large grains in aluminum alloy and preparation method |
| CN105349851A (en) * | 2015-11-12 | 2016-02-24 | 郭芙 | Material capable of preventing large grains from appearing in aluminum alloy |
| CN105401008A (en) * | 2015-11-12 | 2016-03-16 | 薛亚红 | Material for preventing large grains from appearing in aluminum alloy and preparing method for material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106148773A (en) * | 2016-08-17 | 2016-11-23 | 任静儿 | A kind of material preventing aluminium alloy from big crystal grain occurring |
| CN106191483A (en) * | 2016-08-17 | 2016-12-07 | 任静儿 | A kind of material preparation method preventing aluminium alloy from big crystal grain occurring |
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