CN100516261C - Method for changing A356 alloy primary aluminum liquid using cerium-enriched mixing rare earth - Google Patents
Method for changing A356 alloy primary aluminum liquid using cerium-enriched mixing rare earth Download PDFInfo
- Publication number
- CN100516261C CN100516261C CNB2007101265832A CN200710126583A CN100516261C CN 100516261 C CN100516261 C CN 100516261C CN B2007101265832 A CNB2007101265832 A CN B2007101265832A CN 200710126583 A CN200710126583 A CN 200710126583A CN 100516261 C CN100516261 C CN 100516261C
- Authority
- CN
- China
- Prior art keywords
- time
- cerium
- refining
- aluminum liquid
- alloy
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The invention relates to a method for preparing A356 alloy original aluminum liquid by using cerium- rich mixed rare earth. It comprises following steps: (1)melting A356 alloy original aluminum liquid in industrial mixed furnace, controlling temperature between 710 Deg. C and 740 Deg. C, melting time is 90-150min, the time of first magnetic stirring is 20-40min, the temperature and time for first refining is 680-700Deg. C and 30-60min; (2) the aluminium -mischmetal master alloy is employed as alterant: Al-6-7wt%RE, mixed rare earth is cerium- rich mixed rare earth, and the content of Ce is more than 70wt%; the original metamorphic materials is A356 alloy original aluminum liquid; (3)adding cerium- rich mixed rare earth to A356 alloy original aluminum liquid after the first refining slag skimming, the additional content of cerium-rich mischmetal between 0.03wt% and 0.1wt%; (4) the temperature of metamorphicing is 720-735 Deg. C; (5) the deteriorate time is 10-30min; (6) the magnetic stirring for the second time is 5-15min; (7) carrying out the second refining, and temperature and time is 670-690Deg. C and 20-50min; (8)stewing and pouring, controlling the temperature between 650 Deg. C and 680Deg. C. The invention is characterized by good metamorphic effect, less burning loss, good hereditary and low cost.
Description
One, technical field
The present invention relates to a kind of method, belong to the rotten Technology field of aluminium alloy with changing A 356 alloy primary aluminum liquid using cerium-enriched mixing rare earth.
Two, technical background
A356 alloy modification element is more, as sodium, strontium, rare earth etc.Now, strontium modification process technology commonly used on industrial production, but, because there is poor, the shortcoming such as air-breathing easily of the easy scaling loss of strontium, heredity in strontium modification process technology, so enterprise and user need seek and a kind ofly new can be used for the industrial element that directly A356 alloy primary aluminum liquid is gone bad.Through laboratory study, find that rare earth is the ideal alterant element.But, also do not find to use the directly rotten A356 alloy primary aluminum liquid of cerium-rich mischmetal to carry out the industrialization production technology industrial.
Three, summary of the invention
The purpose of this invention is to provide a kind of employing mix-melting method, on industrial production, use the directly rotten A356 alloy primary aluminum liquid of cerium-rich mischmetal, and form industrialization quantity-produced method.
Concrete technical scheme is as follows:
(1) A356 alloy primary aluminum liquid melts in industrial holding furnace and joins, smelting temperature is controlled at 710-740 ℃, smelting time is controlled at 90-150min, in fusion process, carry out the magnetic agitation first time, churning time is controlled at 20-40min, carry out the refining first time after the melting, refining temperature is controlled at 680-700 ℃ for the first time, and refining time is controlled at 30-60min for the first time;
(2) alterant adopts aluminium-mishmetal master alloy: Al-6～7wt%RE, and mishmetal is a cerium-rich mischmetal, and wherein cerium content is greater than 70wt%; Treat that rotten material is an A356 alloy primary aluminum liquid;
(3) after the first time, refining was skimmed, in A356 alloy primary aluminum liquid, add aluminium-cerium-rich mischmetal master alloy, cerium-rich mischmetal add-on minimum is not less than 0.03wt%, and maximum is not more than 0.1wt%, and optimal addn is 0.06wt%;
(4) deterroration is 720-735 ℃;
(5) deteriorating time is 10-30min;
(6) carry out the magnetic agitation second time, churning time 5-15min in the process on the turn;
(7) reach after the deteriorating time, carry out the refining second time, refining temperature is at 670-690 ℃ for the second time, and refining time is controlled at 20-50min for the second time;
(8) leave standstill the back cast, teeming temperature is controlled at 650-680 ℃.
Advantage of the present invention is: modification effect is good, scaling loss is little, heredity is good, cost is low.
Four, description of drawings
Fig. 1 is a process flow sheet of the present invention.
Five, embodiment
In aluminium alloy casting workshop industry holding furnace (16t), add 0.8t solid metal silicon grain earlier; Add 10t molten aluminium and 1.75t titaniferous primary aluminum liquid then; And then adding 44kg pure metal magnesium; Carry out melting and refining after the batching; After refining has been skimmed, add 61kg cerium-rich mischmetal master alloy (Al-6.78%wtRE).
Concrete processing parameter is as follows:
Smelting temperature: 736 ℃
Smelting time: 120min
Churning time: 30min for the first time
Refining temperature for the first time: 689 ℃
Refining time: 40min for the first time
Refining agent consumption: 72kg
Deterroration: 736 ℃
Deteriorating time: 10min
Churning time: 10min for the second time
Refining temperature for the second time: 689 ℃
Refining time: 40min for the second time
Time of repose: 40min
Casting temp: 677 ℃.
Claims (1)
1, a kind of method with changing A 356 alloy primary aluminum liquid using cerium-enriched mixing rare earth, it is characterized in that: concrete steps are as follows:
(1) A356 alloy primary aluminum liquid melts in industrial holding furnace and joins, smelting temperature is controlled at 710-740 ℃, smelting time is controlled at 90-150min, in fusion process, carry out the magnetic agitation first time, churning time is controlled at 20-40min, carry out the refining first time after the melting, refining temperature is controlled at 680-700 ℃ for the first time, and refining time is controlled at 30-60min for the first time;
(2) alterant adopts aluminium-mishmetal master alloy: Al-6～7wt%RE, and mishmetal is a cerium-rich mischmetal, and wherein cerium content is greater than 70wt%; Treat that rotten material is an A356 alloy primary aluminum liquid;
(3) after the first time, refining was skimmed, in A356 alloy primary aluminum liquid, add aluminium-cerium-rich mischmetal master alloy, cerium-rich mischmetal add-on minimum is not less than 0.03wt%, and maximum is not more than 0.1wt%;
(4) deterroration is 720-735 ℃;
(5) deteriorating time is 10-30min;
(6) carry out the magnetic agitation second time, churning time 5-15min in the process on the turn;
(7) reach after the deteriorating time, carry out the refining second time, refining temperature is at 670-690 ℃ for the second time, and refining time is controlled at 20-50min for the second time;
(8) leave standstill the back cast, teeming temperature is controlled at 650-680 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101265832A CN100516261C (en) | 2007-06-21 | 2007-06-21 | Method for changing A356 alloy primary aluminum liquid using cerium-enriched mixing rare earth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101265832A CN100516261C (en) | 2007-06-21 | 2007-06-21 | Method for changing A356 alloy primary aluminum liquid using cerium-enriched mixing rare earth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101086041A CN101086041A (en) | 2007-12-12 |
| CN100516261C true CN100516261C (en) | 2009-07-22 |
Family
ID=38937199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101265832A Expired - Fee Related CN100516261C (en) | 2007-06-21 | 2007-06-21 | Method for changing A356 alloy primary aluminum liquid using cerium-enriched mixing rare earth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100516261C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103866166A (en) * | 2014-03-05 | 2014-06-18 | 中信戴卡股份有限公司 | Preparation process of aluminum alloy |
| CN111041254A (en) * | 2019-11-28 | 2020-04-21 | 宝胜（宁夏)线缆科技有限公司 | Furnace-front production process of electrical round aluminum rod |
| CN110964936B (en) * | 2019-12-16 | 2021-04-02 | 金联电力设备有限公司 | Production process of high-strength corrosion-resistant aluminum alloy for power line hardware |
-
2007
- 2007-06-21 CN CNB2007101265832A patent/CN100516261C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101086041A (en) | 2007-12-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103981386B (en) | Hypoeutectic and cocrystallized Al-Si alloy go bad and the method for refinement | |
| CN101532861B (en) | A method for manufacturing water meter housing by high strength cast aluminum alloy and a product thereof | |
| CN102094097B (en) | Production process for smelting vanadium ferro-alloy by electro-aluminothermic process | |
| CN103572080B (en) | A kind of method for removing iron of secondary aluminum | |
| CN103422009B (en) | Rear axle housing spheroidal graphite cast iron and production method thereof in cargo truck | |
| CN103205586A (en) | Method for efficiently regenerating cast aluminum alloy by aluminum scraps | |
| CN100516261C (en) | Method for changing A356 alloy primary aluminum liquid using cerium-enriched mixing rare earth | |
| CN103381472B (en) | The preparation method of Hypereutectic Al-Si Semi-solid Alloy Slurry or blank | |
| CN105779838A (en) | High-thermal-conductivity die-casting magnesium alloy and preparation technology thereof | |
| CN105463280B (en) | A kind of magnesium alloy with high heat conductance and preparation method thereof | |
| CN109750191A (en) | A kind of die casting high-strength and high ductility high thermal conductivity aluminium alloy | |
| CN103725898A (en) | Energy-saving environment-friendly new technique for refining scrap aluminum by direct reutilization | |
| CN102672146A (en) | Method for compositely refining solidification structure of magnesium alloy by combination of current and Zr | |
| CN103667751B (en) | Ndfeb magnet waste material is adopted to prepare the method for magnesium neodymium master alloy | |
| CN104711440B (en) | The preparation technology of al-sr alloy alterant | |
| CN111676381B (en) | Process for stirring alloy liquid | |
| CN105624481A (en) | Aluminium product preparation technology capable of reducing cost and energy consumption | |
| CN102672147A (en) | Method for complexly refining aluminum alloy solidified structure by using current and crystal grain refining agent | |
| CN103185770B (en) | Device and method for simulating reaction of continuous casting protective slag and molten steel | |
| CN104726750B (en) | A kind of preparation technology of the al-sr alloy alterant being applicable to cast Al-Si alloy | |
| CN103589919B (en) | A kind of Modification Manners of alterant of R14 aluminium alloy | |
| CN202779647U (en) | Semisolid nonferrous metal continuous casting device | |
| CN109536723A (en) | A kind of recovery method of aluminium lithium alloy processing bit | |
| CN104232957A (en) | Preparation method for Al-Cu alloy | |
| CN103526069A (en) | Copper-selenium multi-element alloy material with high electrical and thermal conductivities |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: BAOTOU ALUMINUM CO., LTD. Free format text: FORMER OWNER: BAOTOU ALUMINIUM INDUSTRY CO., LTD. Effective date: 20081010 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20081010 Address after: Donghe District of the Inner Mongolia Autonomous Region city of Baotou post Mao Qi Lai encoding: 014046 Applicant after: Baotou Aluminum Co., Ltd. Address before: Donghe District of the Inner Mongolia Autonomous Region city of Baotou post Mao Qi Lai encoding: 014046 Applicant before: Baotou Aluminium Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090722 Termination date: 20160621 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |