CN110241341A - A kind of novel high hardness aluminium alloy - Google Patents
A kind of novel high hardness aluminium alloy Download PDFInfo
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- CN110241341A CN110241341A CN201910564947.8A CN201910564947A CN110241341A CN 110241341 A CN110241341 A CN 110241341A CN 201910564947 A CN201910564947 A CN 201910564947A CN 110241341 A CN110241341 A CN 110241341A
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- aluminium alloy
- aluminium
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- molten aluminum
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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
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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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
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/16—Alloys based on aluminium with copper as the next major constituent with magnesium
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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
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/18—Alloys based on aluminium with copper as the next major constituent with zinc
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- Manufacture And Refinement Of Metals (AREA)
Abstract
A kind of novel high hardness aluminium alloy, the aluminium alloy is obtained using molten aluminum regeneration melting, the aluminium alloy composition of generation is by weight as follows: copper: 5~6%, magnesium: 3.2~3.4%, manganese: 0.3~0.7%, zinc 8.0~9.0%, chromium 0.2~0.3%, titanium 0.05~0.1%, other impurities amount to < 0.2%, and surplus is aluminium.Gained aluminum alloy hardness is high.
Description
Technical field:
The present invention relates to a kind of aluminium alloys, more particularly, to a kind of novel high hardness aluminium alloy.
Background technique:
Aluminium alloy density is low, but intensity is relatively high, and near or above high-quality steel, plasticity is good, can be processed into various profiles, has excellent
Good electric conductivity, thermal conductivity and corrosion stability, is industrially widely used, usage amount is only second to steel.In Aeronautics and Astronautics, automobile, machinery
It has been widely applied in manufacture, ship and chemical industry.
Cast aluminium alloy gold has just been applied to engine since 1903, and the component of crankshaft is cast by the development of last 100 years
Aluminium alloy has been developed that cast aluminium alloy gold series in large scale.With social progress, to aviation aluminium and automotive light weight technology
It is continuously increased with the demand of aluminium, especially in the demand of high hardness aluminium alloy.
Summary of the invention:
It is an object of that present invention to provide a kind of novel high hardness aluminium alloy, gained aluminum alloy hardness is high.
Another object of the present invention is to provide a kind of above-mentioned novel high hardness aluminium alloy, which improves the hard of aluminium alloy
Degree.
The present invention is achieved in that using technical solution
A kind of novel high hardness aluminium alloy, aluminium alloy are obtained using molten aluminum regeneration melting, and the aluminium alloy composition of generation is by weight
It counts as follows: copper: 4~5%, magnesium: 3.5~4%, manganese: 0.3~0.7%, zinc 7.0~8.0%, chromium 0.2~0.3%, other impurities
< 0.2% is amounted to, surplus is aluminium.
Further, according to weight ratio: copper: 4%, magnesium: 3.5%, manganese: 0.65%, zinc 8.0%, chromium 0.3%, other impurities
< 0.2% is amounted to, surplus is aluminium.
Further, according to weight ratio: copper: 4.5%, magnesium: 3.8%, manganese: 0.5%, zinc 7.5%, chromium 0.25%, other impurities
< 0.2% is amounted to, surplus is aluminium.
Further, according to weight ratio: copper: 5%, magnesium: 3.2%, manganese: 0.3%, zinc 7.0%, chromium 0.2%, other impurities are total
< 0.2% is counted, surplus is aluminium.
Further, a kind of described novel high hardness aluminium alloy preparation the following steps are included:
A00 aluminium is added by weight percentage in smelting furnace, is heated to 650-680 DEG C, is added the 0.4-0.5%'s of quality of ingot aluminum
Deslagging agent is stirred 15 minutes using mechanical pump, and slagging-off continues the molten aluminum after slagging-off to be heated to 710-780 DEG C, will be in addition to aluminium
Other components be added in smelting furnace by weight percentage, stir aluminium alloy 3-5 minutes；Sample examination, according to result of laboratory test tune
Whole each element ingredient, until reaching the range of requirement；
Molten aluminum is continued to be heated to 800-820 DEG C, copper is then added and is stirred using creeper；
Temperature is adjusted to 740-760 DEG C, firelock is closed, door opened 30MM lifts refining iron pipe to stove gate,
Using 99.999% nitrogen of purity.Adjustment pressure is 0.25-0.35Mpa, opens nitrogen air valve, determines that refining iron pipe has nitrogen
Gas is emerged, and is not blocked, and refining iron pipe can be put into molten aluminum, and when nitrogen goes out the spray in furnace, adjustment nitrogen pressure makes the spray
Spillage face is more than 30MM；
Each position movement in mobile refining Guan Lu, it is laterally slowly mobile from the inside to surface, make to refine pipe spout in each position
It dusts, reacts refining agent sufficiently with molten aluminum, take slag out of surface, it is ensured that each dead angle can refine in place；
Refining agent, which is blown into aluminum alloy melt bottom standing 15-20min by nitrogen, makes dross sufficiently float on surface, claws table rapidly
The lime-ash in face, time controlled within 10 minutes, and lime-ash fork is handled to rotary furnace；
Heat preservation stands 20min after skimming dross；
Molten aluminum purification before casting, using 30 mesh refractory ceramics filter plates；
Stokehold constituent analysis is being carried out, is casting 700-725 DEG C of temperature of aluminum liquid, cast molding obtains aluminium alloy cast ingot.
The prior art of the present invention is compared, and the aluminium alloy of method manufacture used will greatly improve the hardness of product.
Specific embodiment:
Example 1
A kind of novel high hardness aluminium alloy, by weight as follows:
Copper: 4%, magnesium: 3.5%, manganese: 0.65%, zinc 8.0%, chromium 0.3%, other impurities total < 0.2%, surplus is aluminium.
Further, a kind of described novel high hardness aluminium alloy preparation the following steps are included:
A00 aluminium is added by weight percentage in smelting furnace, is heated to 650-680 DEG C, is added the 0.4-0.5%'s of quality of ingot aluminum
Deslagging agent is stirred 15 minutes using mechanical pump, and slagging-off continues the molten aluminum after slagging-off to be heated to 710-780 DEG C, will be in addition to aluminium
Other components be added in smelting furnace by weight percentage, stir aluminium alloy 3-5 minutes；Sample examination, according to result of laboratory test tune
Whole each element ingredient, until reaching the range of requirement；
Molten aluminum is continued to be heated to 800-820 DEG C, copper is then added and is stirred using creeper；
Temperature is adjusted to 740-760 DEG C, firelock is closed, door opened 30MM lifts refining iron pipe to stove gate,
Using 99.999% nitrogen of purity.Adjustment pressure is 0.25-0.35Mpa, opens nitrogen air valve, determines that refining iron pipe has nitrogen
Gas is emerged, and is not blocked, and refining iron pipe can be put into molten aluminum, and when nitrogen goes out the spray in furnace, adjustment nitrogen pressure makes the spray
Spillage face is more than 30MM.
Each position movement in mobile refining Guan Lu, it is laterally slowly mobile from the inside to surface, make to refine pipe spout each
Position is dusted, and reacts refining agent sufficiently with molten aluminum, takes slag out of surface, it is ensured that each dead angle can refine in place.
Refining agent, which is blown into aluminum alloy melt bottom standing 15-20min by nitrogen, makes dross sufficiently float on surface, takes off rapidly
The lime-ash on surface out, time controlled within 10 minutes, and lime-ash fork is handled to rotary furnace.
Heat preservation stands 20min after skimming dross；
Molten aluminum purification before casting, using 30 mesh refractory ceramics filter plates；
Stokehold constituent analysis is being carried out, is casting 700-725 DEG C of temperature of aluminum liquid, cast molding obtains aluminium alloy cast ingot.
Example 2
A kind of novel high hardness aluminium alloy, by weight as follows:
Copper: 4.5%, magnesium: 3.8%, manganese: 0.5%, zinc 7.5%, chromium 0.25%, other impurities total < 0.2%, surplus is aluminium.
Further, a kind of described novel high hardness aluminium alloy preparation the following steps are included:
A00 aluminium is added by weight percentage in smelting furnace, is heated to 650-680 DEG C, is added the 0.4-0.5%'s of quality of ingot aluminum
Deslagging agent is stirred 15 minutes using mechanical pump, and slagging-off continues the molten aluminum after slagging-off to be heated to 710-780 DEG C, will be in addition to aluminium
Other components be added in smelting furnace by weight percentage, stir aluminium alloy 3-5 minutes；Sample examination, according to result of laboratory test tune
Whole each element ingredient, until reaching the range of requirement；
Molten aluminum is continued to be heated to 800-820 DEG C, copper is then added and is stirred using creeper；
Temperature is adjusted to 740-760 DEG C, firelock is closed, door opened 30MM lifts refining iron pipe to stove gate,
Using 99.999% nitrogen of purity.Adjustment pressure is 0.25-0.35Mpa, opens nitrogen air valve, determines that refining iron pipe has nitrogen
Gas is emerged, and is not blocked, and refining iron pipe can be put into molten aluminum, and when nitrogen goes out the spray in furnace, adjustment nitrogen pressure makes the spray
Spillage face is more than 30MM.
Each position movement in mobile refining Guan Lu, it is laterally slowly mobile from the inside to surface, make to refine pipe spout each
Position is dusted, and reacts refining agent sufficiently with molten aluminum, takes slag out of surface, it is ensured that each dead angle can refine in place.
Refining agent, which is blown into aluminum alloy melt bottom standing 15-20min by nitrogen, makes dross sufficiently float on surface, takes off rapidly
The lime-ash on surface out, time controlled within 10 minutes, and lime-ash fork is handled to rotary furnace.
Heat preservation stands 20min after skimming dross；
Molten aluminum purification before casting, using 30 mesh refractory ceramics filter plates；
Stokehold constituent analysis is being carried out, is casting 700-725 DEG C of temperature of aluminum liquid, cast molding obtains aluminium alloy cast ingot.
Example 3
A kind of novel high hardness aluminium alloy, by weight as follows:
Further, according to weight ratio: copper: 5%, magnesium: 3.2%, manganese: 0.3%, zinc 7.0%, chromium 0.2%, other impurities total <
0.2%, surplus is aluminium.
Further, a kind of described novel high hardness aluminium alloy preparation the following steps are included:
A00 aluminium is added by weight percentage in smelting furnace, is heated to 650-680 DEG C, is added the 0.4-0.5%'s of quality of ingot aluminum
Deslagging agent is stirred 15 minutes using mechanical pump, and slagging-off continues the molten aluminum after slagging-off to be heated to 710-780 DEG C, will be in addition to aluminium
Other components be added in smelting furnace by weight percentage, stir aluminium alloy 3-5 minutes；Sample examination, according to result of laboratory test tune
Whole each element ingredient, until reaching the range of requirement；
Molten aluminum is continued to be heated to 800-820 DEG C, copper is then added and is stirred using creeper；
Temperature is adjusted to 740-760 DEG C, firelock is closed, door opened 30MM lifts refining iron pipe to stove gate,
Using 99.999% nitrogen of purity.Adjustment pressure is 0.25-0.35Mpa, opens nitrogen air valve, determines that refining iron pipe has nitrogen
Gas is emerged, and is not blocked, and refining iron pipe can be put into molten aluminum, and when nitrogen goes out the spray in furnace, adjustment nitrogen pressure makes the spray
Spillage face is more than 30MM.
Each position movement in mobile refining Guan Lu, it is laterally slowly mobile from the inside to surface, make to refine pipe spout each
Position is dusted, and reacts refining agent sufficiently with molten aluminum, takes slag out of surface, it is ensured that each dead angle can refine in place.
Refining agent, which is blown into aluminum alloy melt bottom standing 15-20min by nitrogen, makes dross sufficiently float on surface, takes off rapidly
The lime-ash on surface out, time controlled within 10 minutes, and lime-ash fork is handled to rotary furnace.
Heat preservation stands 20min after skimming dross；
Molten aluminum purification before casting, using 30 mesh refractory ceramics filter plates；
Stokehold constituent analysis is being carried out, is casting 700-725 DEG C of temperature of aluminum liquid, cast molding obtains aluminium alloy cast ingot.
Embodiments described above is a part of the embodiment of the present invention, instead of all the embodiments.Reality of the invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of selected implementation of the invention
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Claims (5)
1. a kind of novel high hardness aluminium alloy, it is characterised in that: aluminium alloy is obtained using molten aluminum regeneration melting, the aluminium alloy of generation
Composition is as follows by weight: copper: 5~6%, magnesium: and 3.2~3.4%, manganese: 0.3~0.7%, zinc 8.0~9.0%, chromium 0.2~
0.3%, titanium 0.05~0.1%, other impurities amount to < 0.2%, and surplus is aluminium.
2. novel high hardness aluminium alloy according to claim 1, it is characterised in that: the component of the aluminium alloy is by weight
It is calculated as: copper: 5%, magnesium: 3.4%, manganese: 0.7%, zinc 9.0%, chromium 0.3%, titanium 0.1%, other impurities amount to < 0.2%, remaining
Amount is aluminium.
3. a kind of novel high hardness aluminium alloy according to claim 1, it is characterised in that: the component of the aluminium alloy is by weight
Amount ratio is calculated as: copper: 5.5%, magnesium: and 3.3%, manganese: 0.5%, zinc 8.5%, chromium 0.25%, titanium 0.1%, other impurities total <
0.2%, surplus is aluminium.
4. a kind of novel high hardness aluminium alloy according to claim 1, it is characterised in that: the component of the aluminium alloy is by weight
Amount ratio is calculated as: copper: 6%, magnesium: and 3.2%, manganese: 0.3%, zinc 8.0%, chromium 0.2%, titanium 0.05%, other impurities total < 0.2%,
Surplus is aluminium.
5. a kind of novel high hardness aluminium alloy preparation method according to any one of claims 1 to 4, including following step
It is rapid:
A00 aluminium is added by weight percentage in smelting furnace, is heated to 650-680 DEG C, is added the 0.4-0.5%'s of quality of ingot aluminum
Deslagging agent is stirred 15 minutes using mechanical pump, and slagging-off continues the molten aluminum after slagging-off to be heated to 710-780 DEG C, will be in addition to aluminium
Other components be added in smelting furnace by weight percentage, stir aluminium alloy 3-5 minutes；Sample examination, according to result of laboratory test tune
Whole each element ingredient, until reaching the range of requirement；
Molten aluminum is continued to be heated to 800-820 DEG C, copper is then added and is stirred using creeper；
Temperature is adjusted to 740-760 DEG C, firelock is closed, door opened 30MM lifts refining iron pipe to stove gate,
It uses 99.999% nitrogen of purity adjustment pressure for 0.25-0.35Mpa, opens nitrogen air valve, determine that refining iron pipe has nitrogen
It emerges, does not block, refining iron pipe can be put into molten aluminum, when nitrogen goes out the spray in furnace, adjustment nitrogen pressure makes the spray overflow
Liquid level portion is more than 30MM out；
Each position movement in mobile refining Guan Lu, it is laterally slowly mobile from the inside to surface, make to refine pipe spout in each position
It dusts, reacts refining agent sufficiently with molten aluminum, take slag out of surface, it is ensured that each dead angle can refine in place；
Refining agent, which is blown into aluminum alloy melt bottom standing 15-20min by nitrogen, makes dross sufficiently float on surface, claws table rapidly
The lime-ash in face, time controlled within 10 minutes, and lime-ash fork is handled to rotary furnace；
Heat preservation stands 20min after skimming dross；
Molten aluminum purification before casting, using 30 mesh refractory ceramics filter plates；
Stokehold constituent analysis is being carried out, is casting 700-725 DEG C of temperature of aluminum liquid, cast molding obtains aluminium alloy cast ingot.
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|---|---|---|---|
| CN201910564947.8A CN110241341A (en) | 2019-06-27 | 2019-06-27 | A kind of novel high hardness aluminium alloy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910564947.8A CN110241341A (en) | 2019-06-27 | 2019-06-27 | A kind of novel high hardness aluminium alloy |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010159489A (en) * | 2008-12-09 | 2010-07-22 | Sumitomo Light Metal Ind Ltd | Method for molding 7,000 series aluminum alloy material, and formed product molded by the same |
| CN105238974A (en) * | 2015-09-30 | 2016-01-13 | 重庆双驰门窗有限公司 | Material for aluminum alloy doors and windows and manufacturing process of material |
| CN109890536A (en) * | 2016-10-27 | 2019-06-14 | 诺维尔里斯公司 | High-intensitive 7XXX series alloys and its manufacturing method |
| CN110656267A (en) * | 2018-06-28 | 2020-01-07 | 清远市顺博铝合金有限公司 | High-hardness aluminum alloy with new formula |
-
2019
- 2019-06-27 CN CN201910564947.8A patent/CN110241341A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010159489A (en) * | 2008-12-09 | 2010-07-22 | Sumitomo Light Metal Ind Ltd | Method for molding 7,000 series aluminum alloy material, and formed product molded by the same |
| CN105238974A (en) * | 2015-09-30 | 2016-01-13 | 重庆双驰门窗有限公司 | Material for aluminum alloy doors and windows and manufacturing process of material |
| CN109890536A (en) * | 2016-10-27 | 2019-06-14 | 诺维尔里斯公司 | High-intensitive 7XXX series alloys and its manufacturing method |
| CN110656267A (en) * | 2018-06-28 | 2020-01-07 | 清远市顺博铝合金有限公司 | High-hardness aluminum alloy with new formula |
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Application publication date: 20190917 |