CN106702187B - A kind of method for improving aluminium alloy ingots performance - Google Patents
A kind of method for improving aluminium alloy ingots performance Download PDFInfo
- Publication number
- CN106702187B CN106702187B CN201510407107.2A CN201510407107A CN106702187B CN 106702187 B CN106702187 B CN 106702187B CN 201510407107 A CN201510407107 A CN 201510407107A CN 106702187 B CN106702187 B CN 106702187B
- Authority
- CN
- China
- Prior art keywords
- refining
- minutes
- degasification
- control
- molten
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Continuous Casting (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention relates to technical field of aluminum alloy technology, more particularly to a kind of method of improvement A383.1 aluminium alloy ingots performances.It is that the constituent content of metallic element zinc and iron is controlled as iron：0.65 0.9%, zinc：1 1.2%, it is mass percent, specific production stage is as follows：Melting；Skim；Molten silicon；Cooling；Slagging-off；Refining；Degasification；Stand；Ingot casting.The A383.1 aluminium alloy ingots toughness and ductility of the method for the present invention production are through test of many times, and the equal toughness of testing result and ductility are good, better than existing production method.
Description
Technical field
The present invention relates to technical field of aluminum alloy technology, more particularly to a kind of method of improvement A383.1 aluminium alloy ingots performances.
Background technology
A383.1 aluminium alloy ingots is chiefly used in doing the aluminium alloy ingots of electronic product.
The grade aluminium alloy ingot is produced by international standard component, and it is hidden will to carry out quality to later stage die casting completed belt
Suffer from, the crackle of consumer products, air blister defect situation are more serious.
According to existing production method carry out production A383.1 aluminium alloy ingots operation, the product serious cracking after its die casting,
Bubble is mingled with generally, is unable to reach and meets the further quality requirement of die casting user.
The content of the invention
It is of the prior art above-mentioned to solve the purpose of the present invention is lifting the toughness and ductility of A383.1 aluminium alloy ingots
Defect, improves the comprehensive performance that this is alloy.
A kind of in order to achieve the above object, producer the present invention provides lifting A383.1 aluminium alloy ingots toughness and ductility
Method, the production method include the whole process thrown stove from aluminium material and be melted to casting ingot.Its major control for metallic element zinc and
The control of iron content.
The present invention concrete technical scheme be：
A kind of production method of lifting A383.1 aluminium alloy ingots toughness and ductility, the element of metallic element zinc and iron is contained
Amount is controlled as iron：0.65-0.9%, zinc：1-1.2%, is mass percent, and specific production stage is as follows：
（1）Will in the wrought aluminium of mass percent 70%, alloy, and 10% cast alumin(i)um input smelting furnace, carry out it is fluxing, during total fusing
When a length of 5-7 is small, melting temperature control is 630-740 DEG C；
（2）Skim：15-20KG slag-cleaning agents are sprinkled in aluminum alloy melt surface with spade, liquid level 5-10 is gently beaten with trivet
Skim after minute, and aluminium slag is cleared out into fire door, it is impossible to stir molten aluminum with trivet；
（3）Molten silicon：Metallic silicon is added when molten aluminum surface is without scum silica frost, is sufficiently stirred molten aluminum 3-5 minutes with trivet after addition, so
After heating of opening fire be stirred for 3-5 minutes within 10-15 minute, repeatedly 4-6 times；
（4）Cooling：The adjustment material that quality control is issued is added the temperature of molten silicon to be dropped to 710-730 DEG C of the temperature of refining requirement, such as
The low heating that should open fire of fruit temperature；It can also be once multiple to add cooling material to be, to be determined according to molten aluminum component in stove, but
Ensure that aluminium material is clean, definite ingredients；Later stage need to such as be added silicon, iron on a small quantity and should be added in the form of intermediate alloy；
（5）Slagging-off：Add after adjustment material according to molten aluminum surface scum number determine the input amount of slag-cleaning agent, scope exists
10-15㎏；Skim after beaing liquid level 5-10 minutes with trivet, and aluminium slag is cleared out into fire door, it is impossible to stir molten aluminum with trivet；
（6）Refining：It is divided into twice, refines for the first time：Temperature of aluminum liquid control is 720 ± 10 DEG C；Refining time is controlled 20
Minute；Skim Shi Jian≤15 minute；The control of refining agent quantity is 1.4-1.7KG/ tons.Second of refining：Temperature of aluminum liquid controls
720±10℃；Refining time was controlled at 20 minutes；Skim Shi Jian≤15 minute；The control of refining agent quantity is 1.1-1.3KG/ tons；
（7）Degasification：Degasification time control is 20-30 minutes, and temperature control is 700-710 DEG C；When degassing procedure has scum silica frost
Scum silica frost fire door should be focused on by degasification before degasification terminates to be taken off totally with trivet；
（8）The refining of melting workshop section, degasification method：Refining pipe bend is extended downwardly into aluminium water, while opens nitrogen valve,
Nitrogen output pressure is adjusted to 0.2Mpa, first by it is left-to-right or by the right side to it is left longitudinal direction refine, degasification, next from the inside to the outside or by
Outside to inside laterally refining, degasification, to form " well " font to reach to stir in furnace inner space, persistently stop not in some position
Stay；
（9）Stand：Time of repose 15-20 minutes, 700-720 DEG C of dwell temperature；Molten aluminum can not be stirred during standing to protect
Protect the oxide-film that molten aluminum surface is formed；
（10）Ingot casting.
Further, above-mentioned steps（3）Molten silicon step, is to add metallic silicon in no scum silica frost；Wen Du≤720 during addition
℃；Molten aluminum was stirred at interval of 10-15 minutes 3-5 minutes；Cease fire during stirring；It is heated up to stop heating at 760-780 DEG C；It is usually whole
A molten silicon time control is 60-90 minutes, it may be necessary to is increased to 120 minutes；Silicon, the addition of iron want abundance to prevent the later stage
Add on a small quantity；Copper clad aluminum is added after molten silicon.
Further, above-mentioned steps（9）Refining, degassing procedure will will refine pipe bent-up end mouth and be kept necessarily with furnace bottom all the time
Distance, generally remains in apart from the height of furnace bottom 1/4；Translational speed will be at the uniform velocity when each refining, degasification in length and breadth；To be controlled during degasification
Gao Du≤15CM that molten aluminum is splash.
The beneficial effects of the invention are as follows：
1st, the A383.1 aluminium alloy ingots toughness of the method for the present invention production and ductility are through test of many times, the equal toughness of testing result
It is good with ductility, better than existing production method.
2nd, so that the A383.1 aluminium alloy ingots produced using the method for the present invention, after sending to user, feedback is good, the party
Also superior to before, toughness is lifted the aluminium alloy ingots die casting comprehensive performance of method production well with ductility.
Embodiment
With reference to specific embodiment, the present invention is further explained.It should be understood that these embodiments are merely to illustrate this hair
It is bright, rather than limit protection scope of the present invention.The improvement and tune that technical staff makes according to the present invention in practical applications
It is whole, still fall within protection scope of the present invention.
Embodiment is listed below, to illustrate the present invention.
A kind of A383.1 aluminium alloy ingots, its composition are expressed as with mass fraction：
Si:10.31%、Fe:0.7%、Cu:2.18%、Mn:0.16%、Mg:0.25%、Cr:0%、Ni:0.03%、Zn:1.2%、
Ti:0.04%、Pb:0.01%、Sn:0.007%。
4th, the manufacturing process of the lifting A383.1 aluminium alloy ingots toughness and ductility is as follows：
The alloying component in addition to aluminum, mainly contains the component of following percentage by weight：
（1）By by the wrought aluminium of mass percent 70%, alloy, and 10% cast alumin(i)um input smelting furnace, fluxing, total fusing is carried out
When Shi Changwei 7 is small, melting temperature control is 728 DEG C；
（2）Skim：20KG slag-cleaning agents are sprinkled in aluminum alloy melt surface with spade, liquid level is gently beaten after ten minutes with trivet
Skim, and aluminium slag is cleared out into fire door；
（3）Molten silicon：Metallic silicon is added when molten aluminum surface is without scum silica frost, is sufficiently stirred molten aluminum 5 minutes with trivet after addition, then
Heating of opening fire is stirred for 5 minutes for 15 minutes, is repeated 5 times；
（4）Cooling：The adjustment material that quality control is issued is added the temperature of molten silicon to be dropped to 722 DEG C of the temperature of refining requirement；
（5）Slagging-off：Add after adjustment material according to 15 ㎏ of how much input slag-cleaning agents of molten aluminum surface scum（Slag-cleaning agent is by Shanghai
Hong Guang metal solvents factory produces, model HGJ-3）；Liquid level is beaten with trivet to skim after ten minutes, and aluminium slag is cleared out into fire door；
（6）Refining：It is divided into twice, refines for the first time：Temperature of aluminum liquid is 721 DEG C；Refining time is 20 minutes；Slag-removing time
For 15 minutes；Refining agent quantity is 28KG.Second of refining：Temperature of aluminum liquid control is 718 DEG C；Refining time is 20 minutes；Take off
The slag time is 15 minutes；Refining agent quantity is 22KG；（Refining agent is produced by upper marine rainbow light metal solvent factory, model HGK5-
1A）
（7）Degasification：The degasification time is 20 minutes, and temperature control is 706 DEG C；
（8）Stand：Time of repose 20 minutes, 705 DEG C of dwell temperature；
（9）Ingot casting
1st, chute, mould are cleared up：1. cleaned out first with the aluminium material on hook holder chute；Secondly with hairbrush loosening
Heat-resisting material and other debris clean up.Gently purged totally with tracheae after cleaning, touched with hand, confirm free from dust on hand；
2. mold cleaning：The aluminium material of adhesion is cleaned up with small crooked chisel, then purges mould with tracheae, brush mould wash, fills before casting
Divide baking dies.2nd, brush talcum powder：Talcum powder presses 1 with pure water：After 4 ratio reconciles uniformly, chute is evenly coated in hairbrush
On, wait 18 minutes, silicic acid paper cap above chute, the sectional baking of lower section small fire, until each section of moisture content is dried.
3rd, polish, clear up（For chute）：After drying, chute injustice, place that is raised or loosening gently are ground off with sand paper, are allowed to flat
It is whole；After the completion of polishing everywhere, then with hairbrush gently the talcum powder polished off is cleaned out, finally gently purged with tracheae dry
Only.4th, distribution drum cleared up, purged；5th, ingot mould cleared up, purged, swabbing, baking；6th, to ingot casting line and folded ingot
The rolling inspection of machine（Drum containing distribution, mould, operation is once）；7th, cooling water is checked；8th, mine lamp, plug are checked before casting
The preparation of the operation instruments such as head, plug sleeve, silicic acid paper, spades.9th, casting process：Cast temperature is 704 DEG C in stove, distributes drum
681 DEG C, place filter screen, ingot casting speed 12m/min.10th, before the workshop section personnel that 1. cast start ingot casting when refining for second
Preparation；2. taking sample survey to make toughness and ductility detection after ingot casting, toughness and ductility testing result are good.
Shown in following table：
As shown above, after being controlled to the constituent content of metallic element zinc and iron, toughness of products and ductility obtain
Very big lifting, feedback is good at user.
Claims (4)
1. a kind of method for improving aluminium alloy ingots performance, the aluminium alloy is A383.1 aluminium alloys, wherein metallic element zinc and iron
Constituent content be respectively iron：0.65-0.9%, zinc：1-1.2%, is mass percent, and production stage is as follows：（1）By quality
In wrought aluminium, the alloy of percentage 70%, and 10% cast alumin(i)um input smelting furnace, carry out it is fluxing, when total fusing a length of 5-7 it is small when, melting
Temperature control is 630-740 °C；（2）Skim：15-20kg slag-cleaning agents are sprinkled in aluminum alloy melt surface with spade, are beaten with trivet
Liquid level is skimmed after 5-10 minutes, and aluminium slag is cleared out fire door, it is impossible to stirs molten aluminum with trivet；（3）Molten silicon：Molten aluminum surface is without scum silica frost
When add metallic silicon, be sufficiently stirred molten aluminum 3-5 minutes with trivet after addition, heating of then opening fire is stirred for 3-5 for 10-15 minute and divides
Clock, repeats 4-6 times；（4）Cooling：The adjustment material that quality control is issued is added the temperature of molten silicon to be dropped to the temperature 710- of refining requirement
730°C；（5）Slagging-off：Add after adjustment material according to molten aluminum surface scum number determine the input amount of slag-cleaning agent, scope exists
10-15kg ；Skim after beaing liquid level 5-10 minutes with trivet, and aluminium slag is cleared out into fire door, it is impossible to stir molten aluminum with trivet；（6）
Refining：It is divided into twice, refines for the first time：Temperature of aluminum liquid control is 720 ± 10 °C；Refining time was controlled at 20 minutes；When skimming
Jian≤15 minute；The control of refining agent quantity is 1.4-1.7Kg/ tons；Second of refining：Temperature of aluminum liquid control is 720 ± 10 °C；Essence
Time control is refined at 20 minutes；Skim Shi Jian≤15 minute；The control of refining agent quantity is 1.1-1.3kg/ton；（7）Degasification：Remove
Gas time control is 20-30 minutes, and temperature control is 700-710 °C；Degassing procedure has should be before degasification terminates floating during scum silica frost
Slag focuses on fire door by degasification and is taken off totally with trivet；（8）The refining of melting workshop section, degasification method：Refining pipe bend is stretched downwards
Into in aluminium water, while open nitrogen valve, nitrogen output pressure be adjusted to 0.2MPa, first by it is left-to-right or by right to left longitudinal direction
Refining, degasification, secondly refine, degasification, stir to form groined type in furnace inner space to reach from the inside to the outside or by outside to inside transverse direction,
Persistently stopped not in some position；（9）Stand：Time of repose 15-20 minutes, 700-720 °C of dwell temperature；During standing
Molten aluminum can not be stirred to protect the oxide-film that molten aluminum surface is formed；（10）Ingot casting.
A kind of 2. method for improving aluminium alloy ingots performance according to claim 1, it is characterised in that the step（3）It is molten
Silicon step, is to add metallic silicon in no scum silica frost；Wen Du≤720 °C during addition；At interval of 10-15 minutes 3-5 points of stirring molten aluminums
Clock；Cease fire during stirring；It is heated up to stop heating at 760-780 °C；Entirely molten silicon time control is 60-120 minutes；Silicon, iron
Addition wants abundance to prevent the later stage from adding on a small quantity；Copper clad aluminum is added after molten silicon.
A kind of 3. method for improving aluminium alloy ingots performance according to claim 2, it is characterised in that entirely molten silicon time control
It is made as 60 ~ 90 minutes.
A kind of 4. method for improving aluminium alloy ingots performance according to claim 1, it is characterised in that the step（8）Essence
Refining, degassing procedure all the time will maintain a certain distance refining pipe bent-up end mouth and furnace bottom, be maintained at apart from the height of furnace bottom 1/4；Often
Translational speed will be at the uniform velocity when secondary refining, degasification in length and breadth；Gao Du≤the 15cm that control molten aluminum to splash during degasification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510407107.2A CN106702187B (en) | 2015-07-13 | 2015-07-13 | A kind of method for improving aluminium alloy ingots performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510407107.2A CN106702187B (en) | 2015-07-13 | 2015-07-13 | A kind of method for improving aluminium alloy ingots performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106702187A CN106702187A (en) | 2017-05-24 |
| CN106702187B true CN106702187B (en) | 2018-05-08 |
Family
ID=58895076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510407107.2A Active CN106702187B (en) | 2015-07-13 | 2015-07-13 | A kind of method for improving aluminium alloy ingots performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106702187B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107365918A (en) * | 2017-07-18 | 2017-11-21 | 合肥万之景门窗有限公司 | A kind of casting technique of aluminium alloy ingots |
| CN110257659B (en) * | 2018-10-17 | 2020-05-19 | 天津师范大学 | Method for improving purity of Al-Zn-Mg-Cu alloy melt |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3854934A (en) * | 1973-06-18 | 1974-12-17 | Alusuisse | Purification of molten aluminum and alloys |
| JPS52153817A (en) * | 1976-06-18 | 1977-12-21 | Masatoshi Tsuda | Flux for modification of proeutectic silicon in the high silicon aluminium alloy |
| CN101886184B (en) * | 2010-06-23 | 2012-07-25 | 中北大学 | Aluminum alloy super-purification refining method |
| CN104233020B (en) * | 2014-09-08 | 2016-04-06 | 南南铝业股份有限公司 | The purifying method of high-power radiator aluminium alloy and melt thereof |
-
2015
- 2015-07-13 CN CN201510407107.2A patent/CN106702187B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106702187A (en) | 2017-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106148844B (en) | A kind of preparation method of sulfur-bearing ultralow titanium high standard bearing steel | |
| CN106702188B (en) | A kind of production method for promoting AlSi12Fe aluminium alloy ingots comprehensive performances | |
| CN102676862A (en) | Process for manufacturing aluminum alloy ingot | |
| CN107034394B (en) | A kind of production method promoting AlSi12Cu aluminium alloy ingots comprehensive performances | |
| CN106319256B (en) | A kind of production method promoting Al-Si-Cu line aluminium alloy ingot pinhole rate | |
| CN109913738A (en) | The production technology of high-performance 35K cold-forging steel continuous casting square billet | |
| CN106702187B (en) | A kind of method for improving aluminium alloy ingots performance | |
| CN105063409A (en) | Silver alloy and method for preparing high-temperature transparent enamel decorating silver jewelry by using silver alloy | |
| CN106086498B (en) | Aluminium alloy wheel hub gravity melt casting process | |
| CN102011004B (en) | Nickel-based nickel-boron intermediate alloy and preparation method thereof | |
| CN106319257B (en) | A kind of production method promoting ADC12 aluminium alloy ingots grain sizes | |
| CN113695789B (en) | Sintered flux for welding HSLA steel and preparation method thereof | |
| CN106702185B (en) | A method of improving AlSi9Cu2 aluminium alloy ingots performances | |
| CN106435310B (en) | A kind of technique with grate ferrosilicon process refining manganese silico-aluminum | |
| CN107385284B (en) | A kind of preparation method of high-speed rail transcocrystallized Al-Si alloy | |
| CN106399825A (en) | Ceramic lined compound tube and manufacturing process thereof | |
| CN106702196B (en) | A method of improving AlSi12Cu1Fe aluminium alloy ingots performances | |
| CN106337141B (en) | A method of improving ADC6 aluminium alloy ingots performances | |
| CN105779869A (en) | Internal quality control method of 30Mn tube bloom steel cast blanks | |
| CN109913739A (en) | The production technology of the high-quality Q195 continuous casting square billet of aircraft industry fastener | |
| CN106319258B (en) | A kind of method of direct-furnish AlSi9Cu3 liquid aluminium alloys | |
| CN100408701C (en) | High-manganese low-carbon composite alloy and method for preparing same | |
| CN107243602A (en) | Model casting aluminium alloy smelting pouring procedure | |
| CN109764694B (en) | Intermediate frequency furnace crucible slag settling and removing method for smelting aluminum-based alloy | |
| CN106566960A (en) | AlSi9 aluminum alloy material, and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201514 699 Zhen Yan Road, Zhang Yan Town, Jinshan District, Shanghai Patentee after: Shuai wing Chi New Material Group Co., Ltd. Address before: 201514 699 Zhen Yan Road, Zhang Yan Town, Jinshan District, Shanghai Patentee before: Shanghai Shuaiyichi Aluminum Alloy New Material Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |