CN107587083A - A kind of high-strength aluminum alloy section processing technology - Google Patents
A kind of high-strength aluminum alloy section processing technology Download PDFInfo
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- CN107587083A CN107587083A CN201710861691.8A CN201710861691A CN107587083A CN 107587083 A CN107587083 A CN 107587083A CN 201710861691 A CN201710861691 A CN 201710861691A CN 107587083 A CN107587083 A CN 107587083A
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Abstract
The invention belongs to aluminium alloy extrusions processing technique field, there is provided a kind of high-strength aluminum alloy section processing technology, the technique include：（1）Dispensing；（2）Shop fixtures；（3）Melting；（4）Refining；（5）Enhancing；（6）Heat treatment；（7）Shaping.The present invention is improved and innovated to the existing machining process of aluminium alloy extrusions and parameter, and aluminium alloy extrusions formula is adjusted, substantially increases the intensity and quality of aluminium alloy extrusions.
Description
Technical field
The invention belongs to aluminium alloy extrusions processing technique field, in particular it relates to which a kind of high-strength aluminum alloy section is processed
Technique.
Background technology
In recent years, as China's modernization and process of industrialization quickly propel, aluminium section bar is as building field and machinery
Important application material in industrial circle, the yield and consumption figure of its whole industry rapidly increase, and China also suddenly becomes the world most
Big aluminium section bar production base and consumption market.As national industrial policies, industry restructuring and consumer are to product product
The raising of matter requirement, the present situation that aluminium processing industry is extensive, added value is low are altered in steps, initially entered to improve in aluminium section bar
In the new stage of quality.
Aluminium alloy extrusions of the prior art often occurs that impurity content is big in fusion process, and whole technical process is answered
It is miscellaneous, the shortcomings of causing the aluminium alloy extrusions quality produced relatively low.
The content of the invention
For in the prior art the defects of, it is an object of the invention to provide a kind of high-strength aluminum alloy section processing technology.
According to a kind of high-strength aluminum alloy section processing technology provided by the invention, the high-strength aluminum alloy section processing
Technique comprises the following steps：
（1）Dispensing：Weigh aluminium ingot 15-20 parts, aluminum products 50-70 parts of recovery, nanometer silicon carbide 4-12 parts, glass fibre 5-7
Part, it is standby；
（2）Shop fixtures：The attapulgite clay that humidity is less than 5% is sprinkled into smelting furnace, attapulgite clay is blown with air gun, makes it
It is covered with inside smelting furnace；
（3）Melting：Will（1）Middle raw material adds smelting furnace, and when being warming up to raw material and starting softening, one layer of bumps are sprinkled to raw material surface
Rod clay powder, after raw material is completely melt, melt is stirred, making melt, temperature is uniform everywhere；
（4）Refining：To（3）In melt in add refining agent, and be blown into nitrogen and be stirred, one is stirred every 30-50min
It is secondary, each 15-20min, 40-50 DEG C is cooled to after the completion of stirring；
（5）Enhancing：To（4）Reinforcing agent is added in middle 40-50 DEG C of melt and is stirred, after removing surface scum, is gone to quiet
Put stove, melt is warming up to 500-670 DEG C after entering standing furnace, keeps 11-20min, then using nitrogen by the hydrogen in melt and
Fine impurities blow to surface, form the aluminum alloy round body of casting, and the addition of the reinforcing agent is the 2-5% of melt amount after the refining,
The reinforcing agent includes the raw material of following parts by weight：Olefin polymer 60-90 parts, Tissuemat E 2.5-15.5 parts, grafting are single
Body 0.5-2.2 parts, chain initiator 0.3-1.0 parts, grafting synergist 1.0-3.0 parts；
（6）Heat treatment：It is sent into after aluminum alloy round body of casting sawing in heat-treatment furnace and is heated to 460-480 DEG C, and is incubated 2-3h；
（7）Shaping：Aluminum alloy round casting rod after heat treatment is heated to 470-490 DEG C, then will be heated using extruder
Circle casting rod extrusion molding from mould, 250-258 DEG C of extrusion die temperature, extrusion speed 5-6m/min.
Preferably, the step（4）In refining agent include the raw materials of following parts by weight：Calcium chloride 6-8 parts, sodium fluoride
3-5 parts, magnesium nitrate 3-5 parts, graphite powder 5-8 parts, potassium fluosilicate 8-10 parts, zinc sulfate 3-5 parts, aluminium chloride 5-8 parts, sepiolite powder
8-10 parts.
Preferably, the specific method that prepared by the refining agent is as follows：
（1）Weigh calcium chloride 6-8 parts, sodium fluoride 3-5 parts, magnesium nitrate 3-5 parts, graphite powder 5-8 parts, potassium fluosilicate 8-10 parts, sulphur
Sour zinc 3-5 parts, aluminium chloride 5-8 parts, sepiolite powder 8-10 parts, after mixing, are washed with deionized 2-3 times, then with 10-12% hydrogen
Sodium hydroxide solution soaks 2-3h, is then washed with deionized to neutrality, 2-3h is calcined at 510-520 DEG C, is finally ground into
Nanometer powder；
（2）To（1）In nanometer powder in add weight be its 2-3% sldium lauryl sulfate, 1-3% ATBC,
10-15min is stirred with 5300-5400r/min rotating speed, obtains dispersion liquid；
（3）Will（2）In dispersion liquid dewatered drying.
Preferably, the step（2）Attapulgite clay layer thickness inside middle smelting furnace is 0.2-0.5cm.
Preferably, the step（1）The middle acidified modification of nanometer silicon carbide.
Preferably, the step（1）Middle glass fibre uses toughness reinforcing solution immersion 30-50min before dispensing.
Preferably, the attapulgite clay powder toughness reinforcing solution includes the raw material of following parts by weight：Polyacrylic acid 40-55
Part, polyurethane 1-3 parts, fatty acid amide 1-2 parts, glycerine 1-3 parts, water 29-35 parts.
Preferably, the step（7）Ageing Treatment is carried out to aluminium alloy extrusions within 6h after middle shaping, aging temp is
161-175 DEG C, soaking time 4-6h.
Compared with prior art, the present invention has following beneficial effect：
1st, a kind of high-strength aluminum alloy section processing technology provided by the invention, the present invention is to the existing processing technology of aluminium alloy extrusions
Process and parameter are improved and innovated, and aluminium alloy extrusions formula is adjusted, substantially increases aluminium alloy extrusions
Intensity and quality.Nanometer silicon carbide purity in dispensing is high, and particle diameter is small, is evenly distributed in compound, and specific surface area is big, high table
Face activity, makes it have high rigidity, the features such as high-wearing feature.The production of aluminium alloy extrusions is used it for, aluminium alloy can be ensured
Its intensity and hardness are improved while original performance.Glass fibre in dispensing uses toughness reinforcing solution immersion 30- before dispensing
50min, the glass fibre after immersion have preferable toughness, are acted synergistically with other raw materials in dispensing, substantially increase aluminium
The toughness and hardness of alloy profile.
2nd, a kind of high-strength aluminum alloy section processing technology provided by the invention, being sprinkled into humidity into smelting furnace before melting is
Less than 5% attapulgite clay, attapulgite clay is blown with air gun, it is covered with inside smelting furnace.Keep attapulgite clay powder
Humidity can make below 5% its be easier to it is glutinous be bonded in stove, the fine impurities in raw material during melting are sticked by concave convex rod
Soil absorption, improves the purity of aluminium alloy extrusions, and then strengthens the intensity of aluminium alloy extrusions.
3rd, a kind of high-strength aluminum alloy section processing technology provided by the invention, adds raw materials into smelting furnace, is warming up to original
When material starts softening, one layer of attapulgite clay powder is sprinkled to raw material surface.Attapulgite clay has special nanoporous brilliant
Body structure and the inside specific surface area increased, the spacing between each metallic atom in the aluminium alloy melt after melting can be increased, is formed
Network structure, and then change the internal physical structure of aluminium alloy extrusions, improve toughness and intensity.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention.
Embodiment 1
A kind of high-strength aluminum alloy section processing technology that the present embodiment provides, the high-strength aluminum alloy section processing technology bag
Include following steps：
（1）Dispensing：20 parts of aluminium ingot, 50 parts of the aluminum products of recovery, 12 parts of nanometer silicon carbide, 5 parts of glass fibre are weighed, it is standby；
（2）Shop fixtures：The attapulgite clay that humidity is less than 5% is sprinkled into smelting furnace, attapulgite clay is blown with air gun, makes it
It is covered with inside smelting furnace；
（3）Melting：Will（1）Middle raw material adds smelting furnace, and when being warming up to raw material and starting softening, one layer of bumps are sprinkled to raw material surface
Rod clay powder, after raw material is completely melt, melt is stirred, making melt, temperature is uniform everywhere；
（4）Refining：To（3）In melt in add refining agent, and be blown into nitrogen and be stirred, every 50min stirrings once, often
Secondary 15min, 50 DEG C are cooled to after the completion of stirring；
（5）Enhancing：To（4）In add reinforcing agent in 50 DEG C of melt and stir, after removing surface scum, go to standing
Stove, melt are warming up to 500 DEG C after entering standing furnace, keep 20min, then blown the hydrogen in melt and fine impurities using nitrogen
To surface, the aluminum alloy round body of casting is formed, the addition of the reinforcing agent is 2% of melt amount after the refining, the reinforcing agent bag
Include the raw material of following parts by weight：90 parts of olefin polymer, 2.5 parts of Tissuemat E, 2.2 parts of grafted monomers, chain initiator 0.3
3.0 parts part, grafting of synergist；
（6）Heat treatment：It is sent into after aluminum alloy round body of casting sawing in heat-treatment furnace and is heated to 480 DEG C, and is incubated 2h；
（7）Shaping：Aluminum alloy round casting rod after heat treatment is heated to 490 DEG C, then cast the circle heated using extruder
Rod extrusion molding from mould, 250 DEG C of extrusion die temperature, extrusion speed 6m/min.
Preferably, the step（4）In refining agent include the raw materials of following parts by weight：8 parts of calcium chloride, fluorine
Change 3 parts of sodium, 5 parts of magnesium nitrate, 5 parts of graphite powder, 10 parts of potassium fluosilicate, 3 parts of zinc sulfate, 8 parts of aluminium chloride, 8 parts of sepiolite powder.
Preferably, the specific method that prepared by the refining agent is as follows：
（1）Weigh 8 parts of calcium chloride, 3 parts of sodium fluoride, 5 parts of magnesium nitrate, 5 parts of graphite powder, 10 parts of potassium fluosilicate, 3 parts of zinc sulfate, chlorine
Change 8 parts of aluminium, 8 parts of sepiolite powder, after mixing, be washed with deionized 3 times, then 3h, Ran Houyong are soaked with 10% sodium hydroxide solution
Deionized water is washed to neutrality, and 3h is calcined at 510 DEG C, is finally ground into nanometer powder；
（2）To（1）In nanometer powder in add weight be its 3% sldium lauryl sulfate, 1% ATBC, with
5400r/min rotating speed stirring 10min, obtains dispersion liquid；
（3）Will（2）In dispersion liquid dewatered drying.
Preferably, the step（2）Attapulgite clay layer thickness inside middle smelting furnace is 0.5cm.
Preferably, the step（1）The middle acidified modification of nanometer silicon carbide.
Preferably, the step（1）Middle glass fibre uses toughness reinforcing solution immersion 50min before dispensing.
Preferably, the attapulgite clay powder toughness reinforcing solution includes the raw material of following parts by weight：Polypropylene
55 parts of acid, 1 part of polyurethane, 2 parts of fatty acid amide, 1 part of glycerine, 35 parts of water.
Preferably, the step（7）Ageing Treatment, timeliness temperature are carried out to aluminium alloy extrusions within 6h after middle shaping
Spend for 175 DEG C, soaking time 4h.
Embodiment 2
A kind of high-strength aluminum alloy section processing technology that the present embodiment provides, the high-strength aluminum alloy section processing technology bag
Include following steps：
（1）Dispensing：15 parts of aluminium ingot, 70 parts of the aluminum products of recovery, 4 parts of nanometer silicon carbide, 7 parts of glass fibre are weighed, it is standby；
（2）Shop fixtures：The attapulgite clay that humidity is less than 5% is sprinkled into smelting furnace, attapulgite clay is blown with air gun, makes it
It is covered with inside smelting furnace；
（3）Melting：Will（1）Middle raw material adds smelting furnace, and when being warming up to raw material and starting softening, one layer of bumps are sprinkled to raw material surface
Rod clay powder, after raw material is completely melt, melt is stirred, making melt, temperature is uniform everywhere；
（4）Refining：To（3）In melt in add refining agent, and be blown into nitrogen and be stirred, every 30min stirrings once, often
Secondary 20min, 40 DEG C are cooled to after the completion of stirring；
（5）Enhancing：To（4）In add reinforcing agent in 40 DEG C of melt and stir, after removing surface scum, go to standing
Stove, melt are warming up to 670 DEG C after entering standing furnace, keep 11min, then blown the hydrogen in melt and fine impurities using nitrogen
To surface, the aluminum alloy round body of casting is formed, the addition of the reinforcing agent is 5% of melt amount after the refining, the reinforcing agent bag
Include the raw material of following parts by weight：60 parts of olefin polymer, 15.5 parts of Tissuemat E, 0.5 part of grafted monomers, chain initiator 1.0
1.0 parts part, grafting of synergist；
（6）Heat treatment：It is sent into after aluminum alloy round body of casting sawing in heat-treatment furnace and is heated to 460 DEG C, and is incubated 3h；
（7）Shaping：Aluminum alloy round casting rod after heat treatment is heated to 470 DEG C, then cast the circle heated using extruder
Rod extrusion molding from mould, 258 DEG C of extrusion die temperature, extrusion speed 5m/min.
Preferably, the step（4）In refining agent include the raw materials of following parts by weight：6 parts of calcium chloride, fluorine
Change 5 parts of sodium, 3 parts of magnesium nitrate, 8 parts of graphite powder, 8 parts of potassium fluosilicate, 5 parts of zinc sulfate, 5 parts of aluminium chloride, 10 parts of sepiolite powder.
Preferably, the specific method that prepared by the refining agent is as follows：
（1）Weigh 6 parts of calcium chloride, 5 parts of sodium fluoride, 3 parts of magnesium nitrate, 8 parts of graphite powder, 8 parts of potassium fluosilicate, 5 parts of zinc sulfate, chlorination
5 parts of aluminium, 10 parts of sepiolite powder, after mixing, it is washed with deionized 2 times, then 2h, Ran Houyong is soaked with 12% sodium hydroxide solution
Deionized water is washed to neutrality, and 2h is calcined at 520 DEG C, is finally ground into nanometer powder；
（2）To（1）In nanometer powder in add weight be its 2% sldium lauryl sulfate, 3% ATBC, with
5300r/min rotating speed stirring 15min, obtains dispersion liquid；
（3）Will（2）In dispersion liquid dewatered drying.
Preferably, the step（2）Attapulgite clay layer thickness inside middle smelting furnace is 0.2cm.
Preferably, the step（1）The middle acidified modification of nanometer silicon carbide.
Preferably, the step（1）Middle glass fibre uses toughness reinforcing solution immersion 30min before dispensing.
Preferably, the attapulgite clay powder toughness reinforcing solution includes the raw material of following parts by weight：Polypropylene
40 parts of acid, 3 parts of polyurethane, 1 part of fatty acid amide, 3 parts of glycerine, 29 parts of water.
Preferably, the step（7）Ageing Treatment, timeliness temperature are carried out to aluminium alloy extrusions within 6h after middle shaping
Spend for 161 DEG C, soaking time 6h.
Embodiment 3
A kind of high-strength aluminum alloy section processing technology that the present embodiment provides, the high-strength aluminum alloy section processing technology bag
Include following steps：
（1）Dispensing：16 parts of aluminium ingot, 60 parts of the aluminum products of recovery, 7 parts of nanometer silicon carbide, 6 parts of glass fibre are weighed, it is standby；
（2）Shop fixtures：The attapulgite clay that humidity is less than 5% is sprinkled into smelting furnace, attapulgite clay is blown with air gun, makes it
It is covered with inside smelting furnace；
（3）Melting：Will（1）Middle raw material adds smelting furnace, and when being warming up to raw material and starting softening, one layer of bumps are sprinkled to raw material surface
Rod clay powder, after raw material is completely melt, melt is stirred, making melt, temperature is uniform everywhere；
（4）Refining：To（3）In melt in add refining agent, and be blown into nitrogen and be stirred, every 40min stirrings once, often
Secondary 17min, 44 DEG C are cooled to after the completion of stirring；
（5）Enhancing：To（4）In add reinforcing agent in 44 DEG C of melt and stir, after removing surface scum, go to standing
Stove, melt are warming up to 550 DEG C after entering standing furnace, keep 17min, then blown the hydrogen in melt and fine impurities using nitrogen
To surface, the aluminum alloy round body of casting is formed, the addition of the reinforcing agent is 4% of melt amount after the refining, the reinforcing agent bag
Include the raw material of following parts by weight：70 parts of olefin polymer, 6.5 parts of Tissuemat E, 1.2 parts of grafted monomers, chain initiator 0.7
2.0 parts part, grafting of synergist；
（6）Heat treatment：It is sent into after aluminum alloy round body of casting sawing in heat-treatment furnace and is heated to 470 DEG C, and is incubated 3h；
（7）Shaping：Aluminum alloy round casting rod after heat treatment is heated to 480 DEG C, then cast the circle heated using extruder
Rod extrusion molding from mould, 256 DEG C of extrusion die temperature, extrusion speed 6m/min.
Preferably, the step（4）In refining agent include the raw materials of following parts by weight：7 parts of calcium chloride, fluorine
Change 4 parts of sodium, 4 parts of magnesium nitrate, 6 parts of graphite powder, 9 parts of potassium fluosilicate, 4 parts of zinc sulfate, 7 parts of aluminium chloride, 9 parts of sepiolite powder.
Preferably, the specific method that prepared by the refining agent is as follows：
（1）Weigh 7 parts of calcium chloride, 4 parts of sodium fluoride, 4 parts of magnesium nitrate, 6 parts of graphite powder, 9 parts of potassium fluosilicate, 4 parts of zinc sulfate, chlorination
7 parts of aluminium, 9 parts of sepiolite powder, after mixing, it is washed with deionized 3 times, then 3h is soaked with 11% sodium hydroxide solution, then spends
Ion water washing calcines 3h at 514 DEG C, is finally ground into nanometer powder to neutrality；
（2）To（1）In nanometer powder in add weight be its 3% sldium lauryl sulfate, 2% ATBC, with
5350r/min rotating speed stirring 13min, obtains dispersion liquid；
（3）Will（2）In dispersion liquid dewatered drying.
Preferably, the step（2）Attapulgite clay layer thickness inside middle smelting furnace is 0.4cm.
Preferably, the step（1）The middle acidified modification of nanometer silicon carbide.
Preferably, the step（1）Middle glass fibre uses toughness reinforcing solution immersion 40min before dispensing.
Preferably, the attapulgite clay powder toughness reinforcing solution includes the raw material of following parts by weight：Polypropylene
45 parts of acid, 2 parts of polyurethane, 1 part of fatty acid amide, 2 parts of glycerine, 31 parts of water.
Preferably, the step（7）Ageing Treatment, timeliness temperature are carried out to aluminium alloy extrusions within 6h after middle shaping
Spend for 166 DEG C, soaking time 5h.
Performance detection：
After testing, the mechanical property of aluminium alloy extrusions produced by the invention is：Tensile strength is 354MPa, and yield strength is
277MPa, elongation percentage 18.6%.It is significantly increased compared with the mechanical property of common aluminium alloy extrusions.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (8)
- A kind of 1. high-strength aluminum alloy section processing technology, it is characterised in that：The high-strength aluminum alloy section processing technology bag Include following steps：（1）Dispensing：Weigh aluminium ingot 15-20 parts, aluminum products 50-70 parts of recovery, nanometer silicon carbide 4-12 parts, glass fibre 5-7 Part, it is standby；（2）Shop fixtures：The attapulgite clay that humidity is less than 5% is sprinkled into smelting furnace, attapulgite clay is blown with air gun, makes it It is covered with inside smelting furnace；（3）Melting：Will（1）Middle raw material adds smelting furnace, and when being warming up to raw material and starting softening, one layer of bumps are sprinkled to raw material surface Rod clay powder, after raw material is completely melt, melt is stirred, making melt, temperature is uniform everywhere；（4）Refining：To（3）In melt in add refining agent, and be blown into nitrogen and be stirred, one is stirred every 30-50min It is secondary, each 15-20min, 40-50 DEG C is cooled to after the completion of stirring；（5）Enhancing：To（4）Reinforcing agent is added in middle 40-50 DEG C of melt and is stirred, after removing surface scum, is gone to quiet Put stove, melt is warming up to 500-670 DEG C after entering standing furnace, keeps 11-20min, then using nitrogen by the hydrogen in melt and Fine impurities blow to surface, form the aluminum alloy round body of casting, and the addition of the reinforcing agent is the 2-5% of melt amount after the refining, The reinforcing agent includes the raw material of following parts by weight：Olefin polymer 60-90 parts, Tissuemat E 2.5-15.5 parts, grafting are single Body 0.5-2.2 parts, chain initiator 0.3-1.0 parts, grafting synergist 1.0-3.0 parts；（6）Heat treatment：It is sent into after aluminum alloy round body of casting sawing in heat-treatment furnace and is heated to 460-480 DEG C, and is incubated 2-3h；（7）Shaping：Aluminum alloy round casting rod after heat treatment is heated to 470-490 DEG C, then will be heated using extruder Circle casting rod extrusion molding from mould, 250-258 DEG C of extrusion die temperature, extrusion speed 5-6m/min.
- 2. high-strength aluminum alloy section processing technology according to claim 1, it is characterised in that：The step（4）In Refining agent includes the raw material of following parts by weight：Calcium chloride 6-8 parts, sodium fluoride 3-5 parts, magnesium nitrate 3-5 parts, graphite powder 5-8 parts, Potassium fluosilicate 8-10 parts, zinc sulfate 3-5 parts, aluminium chloride 5-8 parts, sepiolite powder 8-10 parts.
- 3. high-strength aluminum alloy section processing technology according to claim 2, it is characterised in that：Prepared by the refining agent Specific method is as follows：（1）Weigh calcium chloride 6-8 parts, sodium fluoride 3-5 parts, magnesium nitrate 3-5 parts, graphite powder 5-8 parts, potassium fluosilicate 8-10 parts, sulphur Sour zinc 3-5 parts, aluminium chloride 5-8 parts, sepiolite powder 8-10 parts, after mixing, are washed with deionized 2-3 times, then with 10-12% hydrogen Sodium hydroxide solution soaks 2-3h, is then washed with deionized to neutrality, 2-3h is calcined at 510-520 DEG C, is finally ground into Nanometer powder；（2）To（1）In nanometer powder in add weight be its 2-3% sldium lauryl sulfate, 1-3% ATBC, 10-15min is stirred with 5300-5400r/min rotating speed, obtains dispersion liquid；（3）Will（2）In dispersion liquid dewatered drying.
- 4. high-strength aluminum alloy section processing technology according to claim 1, it is characterised in that：The step（2）In melt Attapulgite clay layer thickness inside furnace is 0.2-0.5cm.
- 5. high-strength aluminum alloy section processing technology according to claim 1, it is characterised in that：The step（1）In receive The rice acidified modification of carborundum.
- 6. high-strength aluminum alloy section processing technology according to claim 1, it is characterised in that：The step（1）Middle glass Glass fiber uses toughness reinforcing solution immersion 30-50min before dispensing.
- 7. high-strength aluminum alloy section processing technology according to claim 6, it is characterised in that：The attapulgite clay powder Last toughness reinforcing solution includes the raw material of following parts by weight：Polyacrylic acid 40-55 parts, polyurethane 1-3 parts, fatty acid amide 1-2 parts, Glycerine 1-3 parts, water 29-35 parts.
- 8. high-strength aluminum alloy section processing technology according to claim 1, it is characterised in that：The step（7）It is middle into Carry out Ageing Treatment after type within 6h to aluminium alloy extrusions, aging temp is 161-175 DEG C, soaking time 4-6h.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113430413A (en) * | 2021-06-23 | 2021-09-24 | 安徽省沃尔森特种金属材料制备有限公司 | Processing technology of high-strength AZ91D alloy material |
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| CN103103413A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Smelting preparation method of high-strength aluminum alloy profile |
| CN103103372A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Smelting preparation method for anti-stamping aluminum alloy section bar |
| CN103103399A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Smelting preparation method of aluminum alloy section with good stability |
| CN103103398A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Smelting preparation method for anti-tarnishing aluminum alloy section bar |
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2017
- 2017-09-21 CN CN201710861691.8A patent/CN107587083A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103103413A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Smelting preparation method of high-strength aluminum alloy profile |
| CN103103372A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Smelting preparation method for anti-stamping aluminum alloy section bar |
| CN103103399A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Smelting preparation method of aluminum alloy section with good stability |
| CN103103398A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Smelting preparation method for anti-tarnishing aluminum alloy section bar |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113430413A (en) * | 2021-06-23 | 2021-09-24 | 安徽省沃尔森特种金属材料制备有限公司 | Processing technology of high-strength AZ91D alloy material |
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