CN109207773A - A kind of composite fluxing agent and a kind of method for refining rich ferroaluminium using composite fluxing agent - Google Patents
A kind of composite fluxing agent and a kind of method for refining rich ferroaluminium using composite fluxing agent Download PDFInfo
- Publication number
- CN109207773A CN109207773A CN201811241676.4A CN201811241676A CN109207773A CN 109207773 A CN109207773 A CN 109207773A CN 201811241676 A CN201811241676 A CN 201811241676A CN 109207773 A CN109207773 A CN 109207773A
- Authority
- CN
- China
- Prior art keywords
- fluxing agent
- composite fluxing
- ferroaluminium
- alloy
- rich
- 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.)
- Pending
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
- C22C1/06—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
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
Abstract
The invention belongs to smelting auxiliary agent technical fields, and in particular to a kind of composite fluxing agent and a kind of method for refining rich ferroaluminium using composite fluxing agent.The present invention provides a kind of composite fluxing agents, including the CeF independently dispensed3And chlorate；The chlorate includes sodium chloride and potassium chloride.The present invention is by CeF2Be used cooperatively with chlorate, when refining for rich ferroaluminium, can β-Fe phase in refining alloy, enable aluminum alloy to the average length of middle iron phase lower than 132 μm.
Description
Technical field
The invention belongs to smelting auxiliary agent technical fields, and in particular to a kind of composite fluxing agent and a kind of utilization composite fluxing agent refine
The method of rich ferroaluminium.
Background technique
During aluminum alloy smelting, iron phase will affect the performance of aluminium alloy, need to take measures to inhibit iron phase to aluminium alloy
The influence of performance.The conventional measure for inhibiting iron phase harm is to reduce the content of iron or keep iron phase rotten, wherein reducing containing for iron
Amount can inherently solve the harm of iron phase, but the technique for removing iron content is cumbersome, and controllable degree is low, will increase aluminium alloy
Production cost, therefore, the method that modifying technology becomes a kind of inhibition iron phase harm being concerned.
Current alterant, such as Mn, Ce, La, although iron phase can be refined, the average length of iron phase still exists after refinement
135 μm or more.
Summary of the invention
The purpose of the present invention is to provide a kind of composite fluxing agent, composite fluxing agent provided by the invention can will be in rich ferroaluminium
Coarse acicular β-Fe is mutually refined to lower than 132 μm.
To achieve the goals above, the invention provides the following technical scheme:
The present invention provides a kind of composite fluxing agents, including the CeF independently dispensed3And chlorate；The chlorate includes chlorine
Change sodium and potassium chloride.
Preferably, mass ratio 1:(0.8~1.2 of the sodium chloride and potassium chloride)；
The CeF3Mass ratio when using with chlorate is (3~5): (8~11).
It preferably, further include the Al-Ti-C alloy independently dispensed.
Preferably, in terms of mass content, the Al-Ti-C alloy includes: Ti 4~6%, C 0.4~0.6% and surplus
Al.
The present invention provides a kind of methods for refining rich ferroaluminium using composite fluxing agent described in above-mentioned technical proposal.
Preferably, the method for refining rich ferroaluminium using composite fluxing agent, includes the following steps:
Rich ferroaluminium melt is mixed with composite fluxing agent each component, heat preservation is stood, obtains rich ferroaluminium refining liquid.
Preferably, the rich ferroaluminium melt includes the component of following mass content: Si 0.4~0.8%, Fe 1.0
~1.5%, Cu 0.15~0.4%, Mn 0.12~0.15%, Mg 0.8~1.2%, Zn 0.20~0.25%, the Al of surplus
And inevitable impurity.
Preferably, in the composite fluxing agent, CeF3Additive amount be the 0.3~0.5% of rich ferroaluminium quality.
Preferably, in the double solvents, the additive amount of chlorate is the 0.8~1.1% of rich ferroaluminium quality.
Preferably, when in the composite fluxing agent including Al-Ti-C alloy, the additive amount of Al-Ti-C alloy is that rich iron aluminium closes
The 0.3~0.6% of golden amount.
The present invention provides a kind of composite fluxing agents, including the CeF independently dispensed3And chlorate；The chlorate includes chlorine
Change sodium and potassium chloride.The present invention is by CeF2It is used cooperatively with chlorate, it, being capable of refining alloy when refining for rich ferroaluminium
In β-Fe phase, enable aluminum alloy to the average length of middle iron phase lower than 132 μm.
Detailed description of the invention
Fig. 1 is the metallographic structure figure of 3 gained aluminium alloy of embodiment；
Fig. 2 is the energy spectrum analysis figure of 3 gained aluminium alloy of embodiment；
Fig. 3 is the XRD spectra of 7 gained aluminium alloy of embodiment；
Fig. 4 is picture after the metallographic structure of 7 gained aluminium alloy of embodiment is handled；
Fig. 5 is aluminium alloy pore area statistical chart obtained by Examples 1 to 8；
Fig. 6 is aluminum alloy hardness change curve obtained by Examples 1 to 8.
Specific embodiment
The present invention provides a kind of composite fluxing agents, including the CeF independently dispensed3And chlorate；The chlorate includes chlorine
Change sodium and potassium chloride.
Composite fluxing agent provided by the invention includes the CeF independently dispensed3, the CeF3Preferably Tianjin recovery fining
Manufactured by work research, specification is the commercial product of saliva Q/HG NK 204-2000.
Composite fluxing agent provided by the invention includes the chlorate independently dispensed, the chlorate include sodium chloride (NaCl) and
The mass ratio of potassium chloride (KCl), the sodium chloride and potassium chloride is preferably 1:(0.8~1.2), more preferably 1:(0.9~
1.1), most preferably 1:1.
In the present invention, the CeF3Mass ratio when using with chlorate is preferably (3~5): (8~11), more preferably
For (3~4.5): (8~10), most preferably (3.5~4.5): (9~10).
The present invention is by CeF3It is used cooperatively with chlorate, coarse, acicular β-Fe in alloy can be made mutually to refine, reach suppression
The purpose of iron phase harm processed；Can also deaerate removal of impurities simultaneously, reduce hole in alloy, further increase the hardness performance of aluminium alloy.
Composite fluxing agent provided by the invention is described in terms of mass content it is also preferable to include the Al-Ti-C alloy independently dispensed
Al-Ti-C alloy preferably includes: the Al of Ti 4~6%, C 0.4~0.6% and surplus.
In the present invention, in terms of mass content, the Al-Ti-C alloy preferably includes Ti 4~6%, more preferably 4.5
~6%, it is further preferably 4.5~5.5%；The Al-Ti-C alloy preferably includes C 0.4~0.6%, more preferably 0.45~
0.6%, it is further preferably 0.45~0.55%.The present invention preferably provides Ti and C in a manner of Al-Ti-C alloy, in refining process
In, TiC is generated, attachment surface is provided for the solidification growth of molten aluminum, and then generate Al-Si-Fe-Ti-C interphase, refines iron phase
While, also increase crystal grain quantity in molten aluminum.
In the present invention, the Al-Ti-C alloy and CeF3Mass ratio when use is preferably (3~6): (3~5), more
Preferably (4~5): (3~5).
The present invention also provides a kind of methods for refining rich ferroaluminium using composite fluxing agent described in above-mentioned technical proposal.
In the present invention, the method for refining of the rich ferroaluminium preferably includes: rich ferroaluminium melt is melted with compound
The mixing of agent each component, stands heat preservation, obtains rich ferroaluminium refining liquid.
In the present invention, the rich ferroaluminium melt preferably includes the component of following mass content: Si 0.4~
0.8%, Fe 1.0~1.5%, Cu 0.15~0.4%, Mn 0.12~0.15%, Mg 0.8~1.2%, Zn 0.20~
0.25%, Ti 0.14~0.16%, Ce 0.1~1.5%, remaining is Al and inevitable impurity.
In the present invention, in the rich ferroaluminium melt, Si is further preferably 0.5~0.7%, more preferably 0.6%；Fe
It is further preferably 1.1~1.4%, more preferably 1.2~1.3%；Cu is further preferably 0.2~0.4%, more preferably 0.3~
0.35%；Mn is further preferably 0.13~0.14%, most preferably 0.13%；Mg is further preferably 0.9~1.1%, more preferably
1.0%；Zn is further preferably 0.21~0.24%, more preferably 0.22~0.23%；Ti is further preferably 0.15~0.16%, more excellent
It is selected as 0.15%；Ce is further preferably 0.3~1.2%, more preferably 0.5~1.0%；Inevitable impurity 0.15%, remaining
For Al.In the present invention, the inevitable impurity refers to the uncertain substance not impacted to experiment.
The present invention does not have particular/special requirement to the generation type of the rich ferroaluminium melt.In the present invention, the rich iron
The generation type of aluminium alloy melt preferably includes:
By alusil alloy heating melting, aluminum-silicon alloy liquid is obtained；Coverture is added into the aluminum-silicon alloy liquid, after heat preservation
It skims；Then alfer is added, obtains rich ferroaluminium melt after heating melting.
In the present invention, the alusil alloy is preferably Al-10Si alloy；The temperature of alusil alloy melting is preferably
720~730 DEG C, more preferably 723~728 DEG C are further preferably 725~727 DEG C.
In the present invention, the coverture is preferably the mixing that NaCl and KCl are formed according to the mass ratio of 1:0.8~1.2
Object, more preferably 1:1.The present invention does not have particular/special requirement to the additive amount of the coverture, using known to those skilled in the art
?.In the present invention, after adding coverture, aluminum-silicon alloy liquid is kept the temperature, so that the slag in melt has abundance
Floating interval of floating dock.In the present invention, the temperature of the heat preservation is preferably consistent with the temperature range of choice of alusil alloy melting；The guarantor
The time of temperature is preferably 10~15min, more preferably 10~12min.
The present invention does not have particular/special requirement to the mode skimmed, using mode well known to those skilled in the art.
After skimming, alfer is preferably added in the present invention into the aluminum-silicon alloy liquid after skimming, and obtains richness after heating melting
Ferroaluminium melt.In the present invention, the mass content of iron is preferably 18~22% in the alfer, more preferably 19~
20%, most preferably 20%.The alfer is preferably the commercial product of Shanghai Qi Chen Industrial Co., Ltd..The present invention is to institute
The addition manner for stating alfer does not have particular/special requirement, using mode well known to those skilled in the art.Ferro-aluminum is added to close
Jin Hou, the present invention preferably heat up to gained mixture, to obtain ingredient uniformly rich ferroaluminium melt.In the present invention
In, the outlet temperature of the heating is preferably 750~760 DEG C, and more preferably 755~760 DEG C.
After obtaining rich ferroaluminium melt, the present invention mixes rich ferroaluminium melt with composite fluxing agent each component, stands
Heat preservation, obtains rich ferroaluminium refining liquid.Before mixing, the present invention preferably does each component independently dispensed in composite fluxing agent
It is dry, remove moisture therein.The mode of the drying preferably includes to be wrapped respectively in composite fluxing agent after each component with masking foil,
It is dried.The temperature of the drying is preferably 200~240 DEG C, and more preferably 210~230 DEG C；The time of the drying is preferred
For 25~35min, more preferably 28~32min.In the present invention, the rich ferroaluminium melt and composite fluxing agent each component are mixed
The mode of conjunction preferably includes: adding composite fluxing agent each component into rich ferroaluminium melt, is then allowed to stand heat preservation.
In the present invention, the composite fluxing agent includes CeF3When with chlorate, the present invention is preferably by CeF3Simultaneously with chlorate
It is added in rich ferroaluminium melt.In the present invention, the CeF3Additive amount preferably account for rich ferroaluminium melt quality
0.3~0.5%, more preferably 0.35~0.5%, it is further preferably 0.40~0.5%；The additive amount of the chlorate preferably accounts for richness
The 0.8~0.11% of ferroaluminium melt quality, more preferably 0.9~1.0%, it is further preferably 1.0%.
When including Al-Ti-C alloy in the composite fluxing agent, the Al-Ti-C alloy is preferably added directly to by the present invention
In rich ferroaluminium melt.In the present invention, the Al-Ti-C alloy can be with CeF3It is added simultaneously with chlorate, it can also be with
In addition CeF3After chlorate, after mixing to each component in melt, then Al-Ti-C alloy is added.In the present invention, institute
The additive amount for stating Al-Ti-C alloy is preferably the 0.3~0.6%, more preferably 0.4~0.5% of rich ferroaluminium quality, optimal
It is selected as 0.5%.
After rich ferroaluminium melt is mixed with composite fluxing agent, the present invention carries out standing heat preservation to gained mixed material.?
In the present invention, the temperature for standing heat preservation is preferably 750~760 DEG C, and more preferably 755~760 DEG C；Stand the time of heat preservation
Preferably 12~16min, more preferably 14~15min.The present invention is mixed to the rich ferroaluminium melt after addition composite fluxing agent
It closes material to be kept the temperature, makes CeF3In Ce element and rich ferroaluminium melt in Fe element collect to crystal boundary, part Ce element
Rich iron compound is formed into Fe phase, then in iron phase surface enrichment, being adsorbed on one layer of formation in iron phase can hinder remaining Ce element
The film that iron phase is grown up, and then reach the size for changing iron phase, reduce the purpose of iron phase harm.
In the present invention, when in the composite fluxing agent including Al-Ti-C alloy, Al-Ti-C melting is precipitated in insulating process
TiC, the solidification precipitation for each component in melt provides attaching surface, generates Al-Si-Fe-Ti-C interphase, increase in melt
The quantity of crystal grain further achievees the purpose that refine iron phase.
After standing heat preservation, the present invention adds coverture into the melt stood after keeping the temperature, so that melt each component and oxygen
Isolation, avoids oxygen from reacting with the metal component in melt, influences the performance of alloy.In the present invention, the change of the coverture
It is preferably consistent with the composition of coverture described in above-mentioned technical proposal to learn composition.The present invention carries out the melt after adding coverture again
Secondary heat preservation, for the gaseous volatilization in melt, there are time enough, to obtain the pure refining liquid of component.In the present invention, then
The temperature of secondary heat preservation is preferably 750~760 DEG C, and more preferably 755~760 DEG C；Time is preferably 8~12min, and more preferably 9
~10min.
In above-mentioned refining process, refining tool used includes: 150W Miniature lathe, graphite crucible, 7.5kW crucible resistance
Skim spoon, clamp, stirring rod and straight barrel type of furnace, thermocouple and temperature controller, cast iron pours mold.To avoid alloy melt from splashing, this
Invention preferably carries out coating protection to the tool directly contacted with alloy melt, and the coating protection is preferably included with coating agent
ZnO and Na2SO4And water；The ZnO and Na2SO4Mass ratio be preferably (2.5~3.5): 1, more preferably 3:1.The present invention couple
The dosage of the water does not have particular/special requirement, be subject to can obtain suitable for coating feed liquid.
In the present invention, the specific method of the coating protection is preferred are as follows:
It by the surface of the tool of coating agent coating after preheat, air-dries, then again carries out the tool after air-drying at room temperature
Drying.
The present invention to the coating method and coated weight of the coating agent do not have it is special want, using known to those skilled in the art
?.In the present invention, the air-dried time is preferably 12~18min, more preferably 14~16min；The drying
Mode includes low temperature drying and high temperature drying, and the temperature of the low temperature drying is preferably 145~155 DEG C, more preferably 148~
152 DEG C, most preferably 150 DEG C；The time of the low temperature drying is preferably 8~12min, more preferably 9~11min, most preferably
For 10min；The temperature of the high temperature drying is preferably 240~260 DEG C, more preferably 245~255 DEG C, most preferably 250 DEG C；
The time of the high temperature drying is preferably 8~12min, more preferably 9~11min, most preferably 10min.The present invention is to described
Tool coated with coating agent carries out above-mentioned drying, using the moisture in low temperature drying removal coating agent, is made using high temperature drying
Coating agent is tightly adhered to the surface of tool, prevents coating agent from falling off.
After obtaining refining liquid, the present invention casts the refining liquid, obtains silico-aluminum after cooling.In the present invention
In, the temperature of the casting is preferably 720~740 DEG C, and more preferably 725~736 DEG C, be further preferably 728~732 DEG C.This hair
The bright specific embodiment to the casting does not have particular/special requirement, using well known to those skilled in the art.
After obtaining refining liquid, the present invention preferably casts refining liquid, obtains aluminium alloy after cooling.In the present invention,
The temperature of the casting is preferably 675~785 DEG C, and more preferably 690~740 DEG C, be further preferably 700~730 DEG C.The present invention couple
The concrete mode of the casting does not have particular/special requirement, using mode well known to those skilled in the art.After casting, the present invention
It is preferred that cooling down to the slab that pours, aluminium alloy is obtained.In the present invention, the mode of the cooling is preferably air-cooled.
In embodiment of above, unless otherwise specified, agents useful for same is commercially available production well known to those skilled in the art
Product.
In the present invention, the average length of β iron phase is lower than 132 μm in the aluminium alloy, and hardness is 82.0~82.7HV.
In order to further illustrate the present invention, with reference to the accompanying drawings and examples to a kind of composite fluxing agent provided by the invention and
A kind of method refining rich ferroaluminium using composite fluxing agent is described in detail, but they cannot be interpreted as to the present invention
The restriction of protection scope.
Embodiment 1
Al-10Si alloy, Al-20Fe alloy and composite fluxing agent are weighed according to dosage shown in table 1, and respectively with tinfoil packet
It is good.Al-Si alloy, Al-Fe alloy, composite fluxing agent each component are wrapped up respectively with tinfoil, are preheated to 200 DEG C, keeps the temperature 30min,
For use.
Refining use equipment are as follows: graphite crucible, 7.5kW crucible electrical resistance furnace, thermocouple and temperature controller, cast iron skim spoon, folder
Pincers, stirring rod and straight barrel type casting die.Before refining, be carried out as follows baker: room temperature~200 DEG C keep the temperature 4h → 200
~400 DEG C of heat preservation 2h → 400~600 DEG C heat preservation 1h → 600~800 DEG C keep the temperature 1h.After baker, furnace temperature be down to 100 DEG C with
Under, measure the resistance between each phase and furnace shell with 500V megohm meter, resistance lower than 0.5 megaohm be it is normal, can be used.In crucible
Crucible is put in 300 DEG C of preheating 30min of crucible furnace after baking oven furnace；By ZnO and Na2SO4It is 3:1 mixing system according to mass ratio
Standby coating agent, adds suitable water to thick and after mixing evenly, pours in skim spoon, clamp, stirring rod and straight barrel type of cast iron
Uniform coating agent is coated on casting mould surface, after air-drying 15min, is warming up to 150 DEG C of drying 10min, is then heated to 300 DEG C,
30min is dried, for use.
Crucible is preheated at 300 DEG C, then Al-10Si alloy is put into crucible and preheats 30min.It is warming up to 720 again
DEG C make Al-10Si alloy molten, coverture (ingredient is the mixture that NaCl and KCl mass ratio is 1:1) is added and keeps the temperature 10min
It is skimmed afterwards with spoon of skimming, Al-20Fe alloy is added, is warming up to 760 DEG C of heat preservation 30min；After Al-20Fe alloy molten,
CeF is added into melt3With chlorate composite fluxing agent, wherein composite fluxing agent is the sodium chloride and potassium chloride that mass ratio is 1:1
Mixture keeps the temperature rotten 15min, places into chlorate later and keep the temperature 10min, carries out degasification, then skim again, then
It casts at 720 DEG C, obtains aluminium alloy after air-cooled.
Embodiment 2~8
Rich ferroaluminium is refined in the way of embodiment 1, wherein embodiment 2~5 difference from example 1 is that
The dosage of chlorate is different, is specifically listed in Table 1 below；Embodiment 6~8 is difference from example 1 is that composite fluxing agent includes
CeF3, chlorate and Al-Ti-C alloy, specific dosage be shown in Table 1.
Comparative example 1
Rich ferroaluminium is refined in the way of embodiment 1, the difference is that not adding any composite fluxing agent component.
1 Examples 1 to 8 richness ferroaluminium of table refining reagent and its dosage (mass percentage)
Performance characterization and result
Aluminium alloy obtained by Examples 1 to 8 is cut into the short cylinder sample of Φ 25mm × 10mm, then be cut into 7mm ×
12mm × 30mm cuboid sample, is dried up after being cleaned in dehydrated alcohol using ultrasonic washing instrument, as test sample.
It is observed using metallurgical structure of the scanning electron microscope to gained sample, as a result as shown in Figure 1.Fig. 1
For the metallographic structure figure of 1 gained aluminium alloy of embodiment, show that the silicon in aluminium alloy is mutually mostly coralloid eutectic silicon in Fig. 1,
And portion has the precipitation of Ce element, shows that Ce element plays the role of absorption and poisons.2~8 test result of embodiment and reality
It is close to apply example 1, specific test result is shown in Table 2.
Energy spectrum analysis is carried out using 1 gained aluminium alloy of scanning electron microscope Hitachi TM4000 (Plus) testing example,
As a result as shown in Figure 2.Fig. 2 shows to illustrate that Ce element plays the role of absorption and poisons a little in 1 containing more Ce element, limit
The growth of silicon phase, increases the intensity and hardness of aluminium alloy.
It is analyzed using ingredient of the X-ray diffractometer to gained aluminium alloy, Fig. 3 is the survey of 8 gained aluminium alloy of embodiment
Test result.From the figure 3, it may be seen that there are Al in alloy2O3、SiO2、Al3Ti and Al2SiO5This few class compound, illustrates to deposit in aluminium alloy
In the Al to be completely dissolved3Ti particle and TiC particle as nucleus.The embodiment of other addition Al-Ti-C alloys tests knot
Fruit is close, generates TiC particle.
Using Micro-image Analysis&Process Metallurgical Image-analysis System Uses, aluminium obtained by Examples 1 to 8 is closed
The metallograph that golden sample amplifies 50 times is handled as follows: open picture, gray processing processing carried out to picture, then to picture into
Row binary conversion treatment；Hole in figure is selected by binary conversion treatment mark, regeneration report obtains data.To make data more really may be used
It leans on, reduces human error, each sample takes 10 amplifications, 50 times of metallograph processing, calculates average value after obtaining data, obtain
As a result.As a result as shown in Fig. 4,5 and table 2.In Fig. 4, black is stomata, and grey is Eutectic Silicon in Al-Si Cast Alloys, and light color is aluminum substrate, black stomata
It is less, illustrate that porosity is smaller.As shown in Figure 5, when the additional amount of Ce is 0.5wt%, the degasification of rich ferroaluminium melt is imitated
Fruit is best, and the porosity of gained aluminum alloy surface is minimum, can reach 2330 μm2；When Al-Ti-C alloy is added, degassing effect
Preferably, porosity is lower, and specific test result is listed in Table 2 below.
Using micro Vickers, the hardness performance of aluminum alloy sample obtained by Examples 1 to 8 is tested, is tested
When, each test sample is made a call to 5 point measurement hardness numbers and is gone after obtaining hardness values to reduce human error and machine error
Fall highest and lowest value, and average value processing is carried out to remaining three numerical value, as a result as shown in Fig. 6 and table 2.It is surveyed by Fig. 6
Test result is it is found that the addition of Ce and Al-Ti-C can improve the hardness performance of aluminium alloy.
Aluminium alloy structure obtained by 2 Examples 1 to 8 of table and the performance test results
By 2 test result of table it is found that using composite fluxing agent provided by the invention, β in rich ferroaluminium can be effectively reduced
The length dimension of iron phase, reduces influence of the iron phase to aluminium alloy capability, and the hardness performance and strength character of gained aluminium alloy obtain
To being obviously improved.
By above embodiments and comparative example it is found that composite fluxing agent provided by the invention can significantly refine in rich ferroaluminium
The crystallite dimension of iron phase reduces influence of the iron phase to aluminium alloy capability.In addition, silico-aluminum provided by the invention also have it is excellent
Strength character, acid-alkali-corrosive-resisting performance and fracture toughness, can be used for manufacturing aerospace craft, rocket engine, nuclear reactor,
The energy conversion apparatus such as the conversion of petrochemical equipment and coal.
The preparation method of silico-aluminum provided by the invention is simple and easy to control, and cost is relatively low, is suitble to large-scale industrialization promotion
Production.
Although above-described embodiment is made that detailed description to the present invention, it is only a part of the embodiment of the present invention,
Rather than whole embodiments, people can also obtain other embodiments under the premise of without creativeness according to the present embodiment, these
Embodiment belongs to the scope of the present invention.
Claims (10)
1. a kind of composite fluxing agent, including the CeF independently dispensed3And chlorate；The chlorate includes sodium chloride and potassium chloride.
2. composite fluxing agent as described in claim 1, which is characterized in that the mass ratio 1:(0.8 of the sodium chloride and potassium chloride~
1.2)；
The CeF3Mass ratio when using with chlorate is (3~5): (8~11).
3. composite fluxing agent as described in claim 1, which is characterized in that further include the Al-Ti-C alloy independently dispensed.
4. composite fluxing agent as claimed in claim 3, which is characterized in that in terms of mass content, the Al-Ti-C alloy includes:
The Al of Ti4~6%, C0.4~0.6% and surplus.
5. the method for refining rich ferroaluminium using any one of Claims 1 to 44 composite fluxing agent.
6. method as claimed in claim 5, which comprises the steps of:
Rich ferroaluminium melt is mixed with composite fluxing agent each component, heat preservation is stood, obtains rich ferroaluminium refining liquid.
7. such as method described in claim 5 or 6, which is characterized in that the richness ferroaluminium melt includes following mass content
Component: Si0.4~0.8%, Fe1.0~1.5%, Cu0.15~0.4%, Mn0.12~0.15%, Mg0.8~1.2%,
Zn0.20~0.25%, the Al of surplus and inevitable impurity.
8. such as method described in claim 5 or 6, which is characterized in that in the composite fluxing agent, CeF3Additive amount be rich iron aluminium
The 0.3~0.5% of alloy mass.
9. such as method described in claim 5 or 6, which is characterized in that in the composite fluxing agent, the additive amount of chlorate is rich iron
The 0.8~1.1% of aluminium alloy quality.
10. such as method described in claim 5 or 6, which is characterized in that when including Al-Ti-C alloy in the composite fluxing agent,
The additive amount of Al-Ti-C alloy is the 0.3~0.6% of rich ferroaluminium quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811241676.4A CN109207773A (en) | 2018-10-24 | 2018-10-24 | A kind of composite fluxing agent and a kind of method for refining rich ferroaluminium using composite fluxing agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811241676.4A CN109207773A (en) | 2018-10-24 | 2018-10-24 | A kind of composite fluxing agent and a kind of method for refining rich ferroaluminium using composite fluxing agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109207773A true CN109207773A (en) | 2019-01-15 |
Family
ID=64996929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811241676.4A Pending CN109207773A (en) | 2018-10-24 | 2018-10-24 | A kind of composite fluxing agent and a kind of method for refining rich ferroaluminium using composite fluxing agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109207773A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233016A (en) * | 2022-08-02 | 2022-10-25 | 上海大学 | Al-50Sn alloy based aluminum melt iron removal method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102443712A (en) * | 2010-10-11 | 2012-05-09 | 贵州航天风华精密设备有限责任公司 | Casting method for high-strength cast aluminum alloy |
| CN103820683A (en) * | 2014-02-28 | 2014-05-28 | 华南理工大学 | Multi-component refining and modifying processing method of the Fe phase in high-Fe silicon aluminum alloy |
| CN104831103A (en) * | 2015-05-22 | 2015-08-12 | 北京交通大学 | Aluminum alloy iron removal flux and preparation method thereof |
| CN107287462A (en) * | 2017-06-14 | 2017-10-24 | 中国科学院金属研究所 | A kind of alloy refining alterant and its preparation method and application |
| CN108374110A (en) * | 2018-03-26 | 2018-08-07 | 山东元旺电工科技有限公司 | A kind of round aluminum rod and its production technology |
-
2018
- 2018-10-24 CN CN201811241676.4A patent/CN109207773A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102443712A (en) * | 2010-10-11 | 2012-05-09 | 贵州航天风华精密设备有限责任公司 | Casting method for high-strength cast aluminum alloy |
| CN103820683A (en) * | 2014-02-28 | 2014-05-28 | 华南理工大学 | Multi-component refining and modifying processing method of the Fe phase in high-Fe silicon aluminum alloy |
| CN104831103A (en) * | 2015-05-22 | 2015-08-12 | 北京交通大学 | Aluminum alloy iron removal flux and preparation method thereof |
| CN107287462A (en) * | 2017-06-14 | 2017-10-24 | 中国科学院金属研究所 | A kind of alloy refining alterant and its preparation method and application |
| CN108374110A (en) * | 2018-03-26 | 2018-08-07 | 山东元旺电工科技有限公司 | A kind of round aluminum rod and its production technology |
Non-Patent Citations (2)
| Title |
|---|
| 左秀荣等: "稀土对铝合金微观组织的影响", 《铸造技术》 * |
| 陆数芬等: "《有色铸造合金及熔炼》", 31 May 1983, 国防工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115233016A (en) * | 2022-08-02 | 2022-10-25 | 上海大学 | Al-50Sn alloy based aluminum melt iron removal method |
| CN115233016B (en) * | 2022-08-02 | 2023-02-03 | 上海大学 | Al-50Sn alloy based aluminum melt iron removal method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103421991B (en) | A kind of Composite metamorphic cast aluminum alloy and its preparation method and application | |
| CN110157935B (en) | Al-V-B refiner for casting aluminum-silicon alloy, preparation method and application thereof | |
| CN109439971A (en) | A kind of corrosion resistance, high-intensitive aluminium alloy and preparation method thereof | |
| CN109182800B (en) | Grain refiner and preparation method and application thereof | |
| CN105441737A (en) | High-strength high-corrosion-resistance cast aluminum alloy and gravity casting manufacturing method thereof | |
| CN104073699A (en) | Al-Si-Cu-Mg cast aluminum alloy and preparation method thereof | |
| CN107022698A (en) | A kind of high heat conduction pack alloy and preparation method thereof | |
| CN109487107B (en) | Composite modifier for cast aluminum alloy with iron-rich phase modification and modification method thereof | |
| CN109136670B (en) | A kind of 6XXX line aluminium alloy and preparation method thereof | |
| CN104962788B (en) | A kind of aluminium alloy fining agent and preparation method | |
| CN109439975A (en) | A kind of composite inoculating method of composite modifier and regeneration cast aluminium alloy | |
| CN106521258A (en) | High-strength silicon aluminum alloy and preparation method thereof | |
| CN108300884A (en) | A kind of hypoeutectic Al-Mg2The rotten and thinning method of Si alloys | |
| Qiu et al. | Effects of Mn and Sn on microstructure of Al-7Si-Mg alloy modified by Sr and Al-5Ti-B | |
| Wang et al. | Study of refinement and morphology change of AlFeSi phase in A380 alloy due to addition of Ca, Sr/Ca, Mn and Mn, Sr | |
| CN111363936A (en) | Al-Ti-C-La intermediate alloy reinforced A356 composite material and preparation method thereof | |
| Wei et al. | Microstructures of eutectic Sn–Ag–Zn solder solidified with different cooling rates | |
| CN109207773A (en) | A kind of composite fluxing agent and a kind of method for refining rich ferroaluminium using composite fluxing agent | |
| CN106756299A (en) | A kind of high-elongation silico-aluminum and preparation method thereof | |
| CN109825747A (en) | A kind of high Squeezing ground Cutting free bismuth-containing aluminium alloy of low cost and preparation method thereof | |
| CN110983119B (en) | High-strength high-thermal-conductivity die-casting aluminum alloy material and preparation method thereof | |
| CN107447140B (en) | A kind of high strength alumin ium alloy and preparation method thereof haveing excellent performance | |
| Lipiński Sr | Effect of Sr, Ti and B additions as powder and a preliminary alloy with Al on microstructure and tensile strength AlSi9Mg alloy | |
| CN103820667B (en) | Insulating covering agent and Al-Si alloy melt treatment process | |
| CN112322920B (en) | Aluminum alloy casting production method |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190115 |
|
| RJ01 | Rejection of invention patent application after publication |