CN108774694B - From the preparation method of inovulant and preparation method thereof and hypoeutectic al-si alloy semi solid slurry - Google Patents
From the preparation method of inovulant and preparation method thereof and hypoeutectic al-si alloy semi solid slurry Download PDFInfo
- Publication number
- CN108774694B CN108774694B CN201810597227.7A CN201810597227A CN108774694B CN 108774694 B CN108774694 B CN 108774694B CN 201810597227 A CN201810597227 A CN 201810597227A CN 108774694 B CN108774694 B CN 108774694B
- Authority
- CN
- China
- Prior art keywords
- temperature
- inovulant
- electromagnetic agitation
- preparation
- metal bath
- 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
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
-
- 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
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- 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
-
- 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
Abstract
The invention discloses the preparation methods of hypoeutectic al-si alloy semi solid slurry, it include: Step 1: carrying out being heated to being completely melt silico-aluminum for molten metal, stirring keeps alloying component uniform, by degasification, refines and stands after skimming, while by electromagnetic agitation instrument heat temperature raising；It is stood Step 2: the molten metal after standing is transferred in electromagnetic agitation instrument, stops heating after temperature is stablized；Step 3: opening electromagnetic agitation instrument, it is added into molten metal from inovulant, is down to required temperature to molten metal temperature in the case where keeping electromagnetic agitation, obtains the semi solid slurry.The invention also discloses from inovulant and preparation method thereof.
Description
Technical field
The present invention relates to semi-solid-state metal preparation technical fields, and in particular to from inovulant and preparation method thereof and hypoeutectic
The preparation method of alusil alloy semi solid slurry.
Background technique
Metal semi-solid rheological molding technology is known as 21 century most promising one of modern New Machining Technology.
During semi-solid rheological molding, the pouring temperature of alloy pulp is controlled in solid-liquid two-phase region, passes through control
The solidification behavior of metal bath processed is prepared solid rate and is suspended in the form of torulose non-dendritic structure in 30%~60%, solid phase
Semi solid slurry in liquid matrix carries out subsequent forming process immediately.Have benefited from the lower casting temperature of semi solid slurry
Degree, high viscosity and good mobility, semi-solid rheological forming technique and conventional liquid forming technique (high-pressure casting, extruding
Casting etc.) it compares, die life is extended, reduces gas and is involved in；Obtained product is thermally processable, alloy mechanical property
It is higher.It is with a wide range of applications in fields such as automotive light weight technology, near-net-shapes.
The key of semi-solid rheological molding technology is to prepare qualified semi solid slurry.Semisolid is prepared in the prior art
In the method for slurry or blank, alloy masterbatch need to preheat by a few hours, then to undergo mechanical stirring, isothermal processes, side
Semi solid slurry can be made, technique is cumbersome, and time-consuming；It is semicircular lead by flowing through section from the metal bath of inoculation
Chute finally obtains semi solid slurry, but the molten metal for flowing through diversion trench is not sufficiently agitated, primary phase and air contact surfaces
Product is too big, and oxidational losses is serious, is easy pollution molten metal；And non-contacting electromagnetic agitation, although avoiding pollution, primary phase point
Cloth is uniform, but the slurry Jing Guo electromagnetic agitation, and Eutectic Silicon in Al-Si Cast Alloys size is coarse in chilling tissue, is unfavorable for following process, and slurry
Manufacturing cycle is too long, and energy consumption is high.
Therefore, simplify process flow, reduce oxidational losses, shorten slurry manufacturing cycle, be semi solid slurry preparation must
It so requires, if the method for effectively control morphology of eutectic silicon can be found, additionally it is possible to improve producer in semi-solid rheological molding technique side
The market competitiveness in face and the commercialized development direction of semi-solid rheological molding technique.
Summary of the invention
The present invention has designed and developed the preparation method from inovulant, and goal of the invention of the invention is to the preparation from inovulant
Process optimizes technique, easily operated.
The present invention has also been designed and developed from inovulant.
The present invention has designed and developed the preparation method of hypoeutectic al-si alloy semi solid slurry, and goal of the invention of the invention is
By using it is provided by the invention from inovulant by simplifying process flow, reducing oxidational losses and shortening sauce manufacturing cycle system
Standby nascent phase density is high, the slurry for the pattern rounding that is evenly distributed, while can also inhibit the random growth of Eutectic Silicon in Al-Si Cast Alloys.
Technical solution provided by the invention are as follows:
From the preparation method of inovulant, comprising:
After quartz glass tube is carried out the pre-heat treatment, it extend into the mother liquor by refining, draws out the mother with suction pipe
Chilling into the water after liquid；
After getting rid of surface impurity, it is processed into cylindrical pellet, obtaining after ultrasonic cleaning, drying is described from breeding
Agent.
Preferably, the internal diameter of the quartz glass is 3~4mm.
Preferably, preheating temperature when carrying out the pre-heat treatment is 200~300 DEG C.
From inovulant, prepared using described from the preparation method of inovulant.
The preparation method of hypoeutectic al-si alloy semi solid slurry is included the following steps: using described from inovulant
Step 1: carrying out being heated to being completely melt silico-aluminum for metal bath, stirring keeps alloying component uniform, passes through
Degasification is refined and is stood after skimming, while by electromagnetic agitation instrument heat temperature raising；
It is stood Step 2: the metal bath after standing is transferred in electromagnetic agitation instrument, stops heating after temperature is stablized；
Step 3: opening electromagnetic agitation instrument, it is added from inovulant, in the case where keeping electromagnetic agitation into metal bath
It is down to required temperature to metal bath temperature, obtains the semi solid slurry；
Wherein, used in the step 3 from inovulant, mother liquor used in preparation process and the metal
Bath composition is identical.
Preferably, in said step 1, the heating temperature of the silico-aluminum is 700 DEG C；
In the step 2, the temperature is stablized stops heating after 670 DEG C；And
In the step 3, the required temperature is 605 DEG C.
Preferably, in the step 3, the mass fraction for accounting for metal bath from the additional amount of inovulant is 2%
~4%.
Preferably, described to need to carry out the pre-heat treatment from inovulant in the step 3, preheating temperature is 200 DEG C
~300 DEG C.
Preferably, in the step 3, the frequency of electromagnetic agitation is 10Hz~50Hz.
Preferably, the A356 silico-aluminum that silicon content is 5%~8% in the silico-aluminum.
The present invention compared with prior art possessed by the utility model has the advantages that
1, it uses electromagnetic mixing apparatus for maturing business machine in the present invention, can directly purchase, without separately customizing,
Reduce investment cost, instrument can long-time steady operation, temperature precise control, when power of agitator, stir current frequency, stirring
Between, the parameters such as agitating mode can be adjusted flexibly, facilitate producer to make change according to the different conditions of production；
2, both had the non-contact no dirt of electromagnetic agitation by electromagnetic agitation and the Duplex treatment bred certainly in the present invention
The advantages of dye, also combines the feature high from inoculation significant effect, nascent phase density；
3, lacking for Eutectic Silicon in Al-Si Cast Alloys random growth is overcome by electromagnetic agitation and the Duplex treatment bred certainly in the present invention
Point；
4, technique used in the present invention, process flow is simple, slurry short preparation period.
Detailed description of the invention
Fig. 1 is 1 primary phase of embodiment of the present invention and Eutectic Silicon in Al-Si Cast Alloys tissue topography.
Fig. 2 is 2 primary phase of embodiment of the present invention and Eutectic Silicon in Al-Si Cast Alloys tissue topography.
Fig. 3 is 3 primary phase of embodiment of the present invention and Eutectic Silicon in Al-Si Cast Alloys tissue topography.
Fig. 4 is 4 primary phase of embodiment of the present invention and Eutectic Silicon in Al-Si Cast Alloys tissue topography.
Fig. 5 is 1 primary phase of comparative example of the present invention and Eutectic Silicon in Al-Si Cast Alloys tissue topography.
Fig. 6 is 2 primary phase of comparative example of the present invention and Eutectic Silicon in Al-Si Cast Alloys tissue topography.
Fig. 7 is 3 primary phase of comparative example of the present invention and Eutectic Silicon in Al-Si Cast Alloys tissue topography.
Fig. 8 is 4 primary phase of comparative example of the present invention and Eutectic Silicon in Al-Si Cast Alloys tissue topography.
Fig. 9 is 5 primary phase of comparative example of the present invention and Eutectic Silicon in Al-Si Cast Alloys tissue topography.
Figure 10 is 6 primary phase of comparative example of the present invention and Eutectic Silicon in Al-Si Cast Alloys tissue topography.
Figure 11 is 7 primary phase of comparative example of the present invention and Eutectic Silicon in Al-Si Cast Alloys tissue topography.
Figure 12 is 8 primary phase of comparative example of the present invention and Eutectic Silicon in Al-Si Cast Alloys tissue topography.
Figure 13 is single use electromagnetic agitation of the present invention and becomes at any time using from the temperature of inovulant, electromagnetic agitation simultaneously
Change comparison diagram.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
The present invention provides the preparation methods from inovulant, include the following steps:
The quartz glass tube that internal diameter is 3-4mm is preheated to 200 DEG C~300 DEG C, is protruded into the metal mother liquid by refining,
Metal mother liquid is drawn out with suction pipe, later chilling into the water.Surface impurity is got rid of, then is cut into length through hammering, sand paper polishing
Degree is the cylindrical pellet of 3-5mm, and after ultrasonic cleaning, drying is put into spare in drying box.
The present invention also provides from inovulant, prepared using provided by the invention from the preparation method of inovulant.
The present invention provides the preparation methods of hypoeutectic al-si alloy semi solid slurry, include the following steps:
Step 1: carrying out energy disperse spectroscopy Components identification to the alloy blank come is bought back, alloying component is confirmed；
Step 2: carrying out differential thermal analysis to the alloy blank come is bought back, alloy solid-liquid liquidus temperature section is determined；
Step 3: resistance furnace is used to add silicon content 5%~8%, weight for the A356 aluminium alloy masterbatch of 15000g ± 5g
Heat is completely melt that for metal bath, being sufficiently stirred keeps alloying component uniform to 750 DEG C, to masterbatch, it is deaerated, refine, skim after,
Stand ten minutes；
Step 4: electromagnetic agitation instrument is heated to 700 DEG C of heat preservations while masterbatch melts；
It stands Step 5: the metal bath handled well in step 3 is transferred in electromagnetic agitation instrument, stablizes to temperature
After 700 DEG C, close heating, after its temperature is down to 670 DEG C, open electromagnetic agitation, and be added into metal bath it is homemade from
Inovulant；
Step 6: molten metal is poured into copper-made mould when being down to 605 DEG C by the metal bath temperature of step 5 processing
Chilling in (filling), after molten metal solidification, taking-out type template, is placed in natural cooling in air immediately, is down to room to its temperature
Wen Hou prepares metallographic specimen and is observed；
Wherein, it in step 5, is prepared from inovulant using what the present invention used from the preparation method of inovulant；
In another embodiment, use silicon content 7%, weight for the A356 aluminium alloy masterbatch system of 15000g ± 5g
It is standby.
The present patent application is specifically described below with reference to specific embodiment and comparative example.
Embodiment 1
Melt A356 alloy masterbatch with resistance furnace, agitated, degasification after refining, pulling out slag, stewing process, moves to preheating temperature
In the electromagnetic agitation instrument that degree is 700 DEG C, after metal bath temperature is stablized, the heating function of electromagnetic agitation is closed, to its temperature
After being down to 670 DEG C, the electromagnetic agitation that stirring frequency is 50Hz is opened, and it is 200 DEG C, matter that initial temperature, which is added, into alloy melt
Amount is 300g from inovulant (account for melt quality score 2%), after metal bath temperature is down to 605 DEG C, casting, and prepare
Metallographic specimen observation.
As shown in Figure 1, the nascent phase constitution in the present embodiment, dendrite proportion is very low, the nascent rounding that compares, side
Edge is clear, and is distributed relatively uniform；Eutectic Silicon in Al-Si Cast Alloys is in short strip shape or graininess, and needle shaped eutectic silicon is almost invisible；This explanation is at this
Under process conditions, the semi solid slurry of the nascent rounding that compares can be prepared and effectively inhibit the unordered growth of Eutectic Silicon in Al-Si Cast Alloys.
Embodiment 2
Melt A356 alloy masterbatch with resistance furnace, agitated, degasification after refining, pulling out slag, stewing process, moves to preheating temperature
In the electromagnetic agitation instrument that degree is 700 DEG C, after metal bath temperature is stablized, the heating function of electromagnetic agitation is closed, to its temperature
After being down to 670 DEG C, the electromagnetic agitation that stirring frequency is 50Hz is opened, and it is 300 DEG C, matter that initial temperature, which is added, into alloy melt
Amount is 300g from inovulant (account for melt quality score 2%), after metal bath temperature is down to 605 DEG C, casting, and prepare
Metallographic specimen observation.
As shown in Fig. 2, the nascent phase size in the present embodiment is tiny, dendrite growth is significantly suppressed.This explanation, from
Inovulant can play preferable pregnant effect in 200 DEG C~300 DEG C of temperature range.
Embodiment 3
Melt A356 alloy masterbatch with resistance furnace, agitated, degasification after refining, pulling out slag, stewing process, moves to preheating temperature
In the electromagnetic agitation instrument that degree is 700 DEG C, after metal bath temperature is stablized, the heating function of electromagnetic agitation is closed, to its temperature
After being down to 670 DEG C, the electromagnetic agitation that stirring frequency is 50Hz is opened, and it is 300 DEG C, matter that initial temperature, which is added, into alloy melt
Amount is 450g from inovulant (account for melt quality score 3%), after metal bath temperature is down to 605 DEG C, casting, and prepare
Metallographic specimen observation.
As shown in figure 3, the metallographic structure in the present embodiment is same as above, two embodiments are essentially identical, this illustrates, from inovulant
Mass fraction can play good pregnant effect between 2%~3%.
Embodiment 4
Melt A356 alloy masterbatch with resistance furnace, agitated, degasification after refining, pulling out slag, stewing process, moves to preheating temperature
In the electromagnetic agitation instrument that degree is 700 DEG C, after metal bath temperature is stablized, the heating function of electromagnetic agitation is closed, to its temperature
After being down to 670 DEG C, the electromagnetic agitation that stirring frequency is 50Hz is opened, and it is 300 DEG C, matter that initial temperature, which is added, into alloy melt
Amount is 600g from inovulant (account for melt quality score 4%), after metal bath temperature is down to 605 DEG C, casting, and prepare
Metallographic specimen observation.
As shown in figure 4, the nascent phase size in the present embodiment is tiny, Edge divider is clear, this explanation is in the process conditions
Under, qualified semi solid slurry can be prepared.
Comparative example 1
A356 alloy masterbatch are merged with resistance furnace, agitated, degasification after refining, pulling out slag, stewing process, moves to preheating temperature
In the electromagnetic agitation instrument that degree is 700 DEG C, after metal bath temperature is stablized, the heating function of electromagnetic agitation is closed, to its temperature
After being down to 605 DEG C, it is poured and prepares metallographic specimen observation.
As shown in figure 5, the metallograph in the present embodiment is shown, the slurry tissues without electromagnetic agitation and inoculation,
It is all made of coarse dendrite, slurry fluidity is poor, is unfavorable for subsequent rheological molding.
Comparative example 2
Melt A356 alloy masterbatch with resistance furnace, agitated, degasification after refining, pulling out slag, stewing process, moves to preheating temperature
In the electromagnetic agitation instrument that degree is 700 DEG C, after metal bath temperature is stablized, the heating function of electromagnetic agitation is closed, to its temperature
After being down to 670 DEG C, firing current frequency is the electromagnetic agitation of 50Hz, after metal bath temperature is down to 605 DEG C, casting, and make
Standby metallographic specimen is observed.
As shown in fig. 6, the metallograph in the present embodiment shows that adhesion is serious between primary phase, Eutectic Silicon in Al-Si Cast Alloys is very coarse,
Single electromagnetic agitation is unable to reach the purpose for preparing qualified semi solid slurry.
Comparative example 3
Melt A356 alloy masterbatch with resistance furnace, agitated, degasification after refining, pulling out slag, stewing process, moves to preheating temperature
In the electromagnetic agitation instrument that degree is 700 DEG C, after metal bath temperature is stablized, the heating function of electromagnetic agitation is closed, to its temperature
After being down to 670 DEG C, 450g is added into alloy melt from inovulant (account for melt quality score 3%), to metal bath temperature
After being down to 605 DEG C, casting, and prepare metallographic specimen observation.
As shown in fig. 7, the metallograph in the present embodiment is shown, compared to the slurry not bred, through from inoculation
Slurry Eutectic Silicon in Al-Si Cast Alloys tissue size is slightly reduced, but does not observe globular crystal tissue, therefore single system is also unable to reach from inoculation
The purpose of standby qualification semi solid slurry.
Comparative example 4
Melt A356 alloy masterbatch with resistance furnace, agitated, degasification after refining, pulling out slag, stewing process, moves to preheating temperature
In the electromagnetic agitation instrument that degree is 700 DEG C, after metal bath temperature is stablized, the heating function of electromagnetic agitation is closed, to its temperature
After being down to 670 DEG C, the electromagnetic agitation that stirring frequency is 50Hz is opened, and it is breeding certainly for 300g that quality, which is added, into alloy melt
Agent (accounts for the 2% of melt quality score), after metal bath temperature is down to 605 DEG C, casting, and prepare metallographic specimen observation.
As shown in figure 8, the metallograph in the present embodiment is shown, if not preheated from inovulant, optimization is not had not only
The effect of tissue, instead can deteriorated tissue, stick to each other between primary phase, stock quality is very poor.
Comparative example 5
Melt A356 alloy masterbatch with resistance furnace, agitated, degasification after refining, pulling out slag, stewing process, moves to preheating temperature
In the electromagnetic agitation instrument that degree is 700 DEG C, after metal bath temperature is stablized, the heating function of electromagnetic agitation is closed, to its temperature
After being down to 670 DEG C, the electromagnetic agitation that stirring frequency is 50Hz is opened, and it is 400 DEG C, matter that initial temperature, which is added, into alloy melt
Amount is 300g from inovulant (account for melt quality score 2%), after metal bath temperature is down to 605 DEG C, casting, and prepare
Metallographic specimen observation.
As shown in figure 9, the metallograph in the present embodiment is shown, if excessively high from inovulant initial temperature, slurry tissues are
Coarse dendrite, does not have pregnant effect.
Comparative example 6
Melt A356 alloy masterbatch with resistance furnace, agitated, degasification after refining, pulling out slag, stewing process, moves to preheating temperature
In the electromagnetic agitation instrument that degree is 700 DEG C, after metal bath temperature is stablized, the heating function of electromagnetic agitation is closed, to its temperature
After being down to 670 DEG C, the electromagnetic agitation that stirring frequency is 50Hz is opened, and it is 200 DEG C, matter that initial temperature, which is added, into alloy melt
Amount is 150g from inovulant (account for melt quality score 1%), after metal bath temperature is down to 605 DEG C, casting, and prepare
Metallographic specimen observation.
As shown in Figure 10, the metallograph in the present embodiment is shown, if if very few from inovulant additional amount, it can be thorough by melt
Undermelting does not have pregnant effect.
Comparative example 7
Melt A356 alloy masterbatch with resistance furnace, agitated, degasification after refining, pulling out slag, stewing process, moves to preheating temperature
In the electromagnetic agitation instrument that degree is 700 DEG C, after metal bath temperature is stablized, the heating function of electromagnetic agitation is closed, to its temperature
After being down to 670 DEG C, the electromagnetic agitation that stirring frequency is 50Hz is opened, and it is 200 DEG C, matter that initial temperature, which is added, into alloy melt
Amount is 750g from inovulant (account for melt quality score 5%), after metal bath temperature is down to 605 DEG C, casting, and prepare
Metallographic specimen observation.
As shown in figure 11, the metallograph in the present embodiment is shown, if excessively high from innoculant adding quantity, is glued between primary phase
It is even serious, do not have pregnant effect.
Comparative example 8
Melt A356 alloy masterbatch with resistance furnace, agitated, degasification after refining, pulling out slag, stewing process, moves to preheating temperature
In the electromagnetic agitation instrument that degree is 700 DEG C, after metal bath temperature is stablized, the heating function of electromagnetic agitation is closed, to its temperature
After being down to 670 DEG C, the electromagnetic agitation that stirring frequency is 10Hz is opened, and it is 200 DEG C, matter that initial temperature, which is added, into alloy melt
Amount is 300g from inovulant (account for melt quality score 2%), after metal bath temperature is down to 605 DEG C, casting, and prepare
Metallographic specimen observation.
As shown in figure 12, the metallograph in the present embodiment is shown, if stirring frequency is too low, primary phase cannot be stirred sufficiently
It mixes, slurry tissues are the rosiness of aggregating state, are unevenly distributed.
Meanwhile as shown in figure 13, effectively shortening time of semi solid slurry, In can be prepared by adding from inovulant
Engineering efficiency is improved while preparing qualified semi solid slurry.
By Examples 1 to 4 as can be seen that can both be prepared by electromagnetic agitation and the combination from both inovulants
It is evenly distributed, the slurry of pattern rounding, moreover it is possible to inhibit the random growth of Eutectic Silicon in Al-Si Cast Alloys, while the manufacturing cycle of slurry greatly shortens；
By comparative example 1~3 as can be seen that it is single from inoculation can not prepare primary phase be evenly distributed, pattern rounding it is half solid
State slurry, and the semi solid slurry that single use electromagnetic agitation is prepared, morphology of eutectic silicon is coarse in chilling tissue；By right
Ratio 4~8 as can be seen that from inovulant without preheating perhaps the excessively high additional amount of preheating temperature it is excessive or very few, reach
Less than pregnant effect.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (4)
1. the preparation method of hypoeutectic al-si alloy semi solid slurry, which comprises the steps of:
Step 1: carrying out being heated to being completely melt that for metal bath, stirring keeps alloying component uniform, by removing to silico-aluminum
Gas is refined and is stood after skimming, while by electromagnetic agitation instrument heat temperature raising；
It is stood Step 2: the metal bath after standing is transferred in electromagnetic agitation instrument, stops heating after temperature is stablized；
Step 3: opening electromagnetic agitation instrument, it is added into metal bath from inovulant, in the case where keeping electromagnetic agitation to gold
Belong to melt temperature and be down to required temperature, obtains the semi solid slurry；
Wherein, used in the step 3 from inovulant, mother liquor used in preparation process and the metal bath
Ingredient is identical；The mass fraction for accounting for metal bath from the additional amount of inovulant is 2%~4%；It is described to be needed from inovulant
The pre-heat treatment is carried out, preheating temperature is 200 DEG C~300 DEG C；
Method is prepared by the following procedure from inovulant used in the step 3 to obtain:
By quartz glass tube carry out the pre-heat treatment after, extend into the mother liquor by refining, with suction pipe draw out the mother liquor it
Chilling into the water afterwards；
After getting rid of surface impurity, it is processed into cylindrical pellet, obtaining after ultrasonic cleaning, drying is described from inovulant.
2. the preparation method of hypoeutectic al-si alloy semi solid slurry as described in claim 1, which is characterized in that in the step
In rapid one, the heating temperature of the silico-aluminum is 700 DEG C；
In the step 2, the temperature is stablized stops heating after 670 DEG C；And
In the step 3, the required temperature is 605 DEG C.
3. the preparation method of hypoeutectic al-si alloy semi solid slurry as claimed in claim 2, which is characterized in that in the step
In rapid three, the frequency of electromagnetic agitation is 10Hz~50Hz.
4. the preparation method of hypoeutectic al-si alloy semi solid slurry as claimed in claim 3, which is characterized in that the sial
The A356 silico-aluminum that silicon content is 5%~8% in alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810597227.7A CN108774694B (en) | 2018-06-12 | 2018-06-12 | From the preparation method of inovulant and preparation method thereof and hypoeutectic al-si alloy semi solid slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810597227.7A CN108774694B (en) | 2018-06-12 | 2018-06-12 | From the preparation method of inovulant and preparation method thereof and hypoeutectic al-si alloy semi solid slurry |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108774694A CN108774694A (en) | 2018-11-09 |
| CN108774694B true CN108774694B (en) | 2019-11-15 |
Family
ID=64025895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810597227.7A Expired - Fee Related CN108774694B (en) | 2018-06-12 | 2018-06-12 | From the preparation method of inovulant and preparation method thereof and hypoeutectic al-si alloy semi solid slurry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108774694B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112063904B (en) * | 2020-09-26 | 2021-06-15 | 兰州理工大学 | Semisolid Mg-1.5Zn-3Y-0.13Al alloy slurry and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104561409A (en) * | 2014-12-31 | 2015-04-29 | 河北龙凤山铸业有限公司 | Production method for hypoeutectic cast pig iron |
| CN107119201A (en) * | 2017-05-19 | 2017-09-01 | 吉林大学 | A kind of method of utilization glassy metal refining aluminum alloy |
-
2018
- 2018-06-12 CN CN201810597227.7A patent/CN108774694B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104561409A (en) * | 2014-12-31 | 2015-04-29 | 河北龙凤山铸业有限公司 | Production method for hypoeutectic cast pig iron |
| CN107119201A (en) * | 2017-05-19 | 2017-09-01 | 吉林大学 | A kind of method of utilization glassy metal refining aluminum alloy |
Non-Patent Citations (1)
| Title |
|---|
| 保温参数对A356铝合金半固态组织的影响;李明等;《特种铸造及有色合金》;20161231;第36卷(第1期);第36页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108774694A (en) | 2018-11-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102861902B (en) | Continuous preparation device for composite stirred semi-solid slurry | |
| CN105772654B (en) | Mushy stage metal stirring mixing method | |
| CN105328143B (en) | A kind of method and device for preparing semi solid slurry | |
| CN108286001B (en) | A kind of preparation method of the high tough aluminium alloy of semisolid pressure casting | |
| CN104988343B (en) | A kind of air cooling multitube stirring prepares the device and method of light alloy semisolid slurry | |
| CN106955981B (en) | A kind of preparation method of semisolid state slurry thereof | |
| CN111001779B (en) | System and process for directly pulping and forming without semi-solid slurry transfer | |
| CN108085546A (en) | A kind of 2024 aluminium alloy smelting casting methods | |
| CN1994622A (en) | Slurrying-forming separated aluminium alloy rheological forming method | |
| CN108251730B (en) | A kind of preparation method of semisolid pressure casting high-strength magnesium alloy | |
| CN104846219B (en) | A kind of preparation facilitiess of metal semisolid blank and preparation method thereof | |
| CN108774694B (en) | From the preparation method of inovulant and preparation method thereof and hypoeutectic al-si alloy semi solid slurry | |
| CN109518040B (en) | Method for continuously preparing Al-Ti-B grain refiner by ultrasonic treatment | |
| CN103586427A (en) | Method and device for preparing magnesium alloy liquid-state/semisolid-state melt through chilling and mechanical stirring | |
| CN102358922B (en) | Light alloy semi-solid slurry preparation device | |
| Li et al. | Microstructure, segregation and fracture behavior of 6061 aluminum alloy samples formed by semi-solid or traditional high pressure die casting | |
| CN106048302B (en) | A kind of founding materials for being applied to nuclear power and wind-powered electricity generation and preparation method thereof | |
| CN106756305B (en) | A kind of Aluminum alloy modification processing method | |
| BAI et al. | Annulus electromagnetic stirring for preparing semisolid A357 aluminum alloy slurry | |
| CN110000344A (en) | A kind of device and method for continuously preparing semi solid slurry inhibiting ZCuSn10P1 alloy tin element segregation | |
| CN103934437B (en) | Preparation method for primary-silicon-refinement high-silicon aluminum alloy rheological slurry | |
| CN106555066B (en) | A method of preparing high-performance richness iron secondary aluminium with micro compound additive | |
| CN106890962A (en) | A kind of compound method and device for preparing semi solid slurry | |
| CN102294442B (en) | Method for preparing fine crystalline grain wrought aluminum alloy semisolid slurry | |
| CN107498010A (en) | The preparation technology and device of a kind of light alloy semisolid slurry |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191115 Termination date: 20200612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |