CN106191567A - A kind of corrosion-resistant pack alloy - Google Patents

A kind of corrosion-resistant pack alloy Download PDF

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Publication number
CN106191567A
CN106191567A CN201610783476.6A CN201610783476A CN106191567A CN 106191567 A CN106191567 A CN 106191567A CN 201610783476 A CN201610783476 A CN 201610783476A CN 106191567 A CN106191567 A CN 106191567A
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CN
China
Prior art keywords
stirring
minutes
minute
alloy liquid
incubated
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CN201610783476.6A
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Chinese (zh)
Inventor
王启
王赟
陈泰山
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Qingyuan City Is Along Rich Aluminum Alloy Ltd Co
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Qingyuan City Is Along Rich Aluminum Alloy Ltd Co
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Priority to CN201610783476.6A priority Critical patent/CN106191567A/en
Publication of CN106191567A publication Critical patent/CN106191567A/en
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C21/00Alloys based on aluminium
    • C22C21/02Alloys based on aluminium with silicon as the next major constituent
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/02Making non-ferrous alloys by melting
    • C22C1/026Alloys based on aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/06Making non-ferrous alloys with the use of special agents for refining or deoxidising

Abstract

A kind of corrosion-resistant pack alloy, calculates with mass parts, including following composition: Al:100 part;Si:15.5 20.5 parts;Cu:0.08 0.20 part;Mg:0.3 0.5 part;Mn:0.3 0.5 part;Zn:0 0.10 part;In:0.3 1.0 parts;Fe:1.8 3.0 parts;V:0.3 1.0 parts;Ti:1.03 3.15 parts;Al is main body, and remaining composition constitutes additive.It is prepared from by step A P.This corrosion-resistant pack alloy excellent anti-corrosion performance, overall performance is preferable.

Description

A kind of corrosion-resistant pack alloy
Technical field
The present invention relates to technical field of aluminum alloy technology, particularly relate to a kind of corrosion-resistant pack alloy.
Background technology
Aluminium alloy is one of very important raw material of industrial circle, modern society, and pack alloy part is widely used in respectively The each industry of row.Aluminium alloy compression casting series products is mainly used in electronics, automobile, motor, household electrical appliances and some communications industrys etc..
Pack alloy has that die casting scope is wide, pressur casting size precision high, and surface roughness is low, production efficiency is high, golden Belong to utilization rate height, casting strength and case hardness high.But, due to pack alloy, to be used for external environment condition the most severe Use under conditions of quarter, its decay resistance is required high.And pack alloy corrosion resistance of the prior art is poor not This requirement can be met.
Therefore, not enough for prior art, it is provided that a kind of corrosion-resistant pack alloy is to overcome prior art deficiency very Necessary.
Summary of the invention
Thering is provided a kind of corrosion-resistant pack alloy in place of it is an object of the invention to avoid the deficiencies in the prior art, this is resistance to The corrosion corrosion-resistant energy of pack alloy is good.
The above-mentioned purpose of the present invention is realized by following technological means.
A kind of corrosion-resistant pack alloy is provided, calculates with mass parts, including following composition:
Al:100 part;
Si:15.5-20.5 part;
Cu:0.08-0.20 part;
Mg:0.3-0.5 part;
Mn:0.3-0.5 part;
Zn:0-0.10 part;
In:0.3-1.0 part;
Fe:1.8-3.0 part;
V:0.3-1.0 part;
Ti:1.03-3.15 part;
Al is main body, and remaining composition constitutes additive;
This corrosion-resistant pack alloy is prepared by following technique:
A. it is pre-configured with additive according to component ratio;
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, furnace temperature reaches to be initially added into fine aluminium when 300-500 degree Celsius Raw material, raises the furnace temperature in blast furnace, makes the temperature of aluminum liquid in blast furnace reach 600-700 degree Celsius and be incubated 20-at this temperature 40 minutes;
C. after insulation, adding part additive in 3-5 minute, the additive added accounts for overall additive ratio 15%-25%;
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, the named initial conjunction of mixed liquor Gold liquid;
The detailed process of stirring is for the first time: first stir 10-20 minute with the clockwise direction of stirring paddle 5-10rd/h, then Stop stirring 10-15 minute, stir counterclockwise 10-20 minute with the speed of stirring paddle 5-10rd/h the most again, then stop stirring 3-10 minute;Stir 10-15 minute along counterclockwise with the speed of stirring paddle 20-30rd/h again, then stop stirring 10-15 minute, 10-15 minute is stirred the most again with the clockwise direction of stirring paddle 20-30rd/h;
E. the temperature of initial alloy liquid in State of Blast Furnace it is down to 620-670 degree Celsius and is incubated 20-30 minute, being incubated Outside stirring slag making aluminum ash picker out is come out of the stove by journey;
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 800-900 degree Celsius and to be incubated 3-6 little Time;
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is 600-650 Degree Celsius;
H. keep under conditions of the temperature of initial alloy liquid is 700-740 degree Celsius in low stove, to low in 6-10 minute The additive of the 30%-60% accounting for overall additive ratio is added in stove;
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains Secondary alloy liquid;
The detailed process of second time stirring is: first stir 10-20 minute with the clockwise direction of stirring paddle 20-30rd/h, Stop stirring 20-30 minute again, stir counterclockwise 10-15 minute with the speed of stirring paddle 20-30rd/h the most again, then stop stirring Mix 20-30 minute;Stir 25-30 minute along counterclockwise with the speed of stirring paddle 10-20rd/h again, then stopping stirring 10-30 divides Clock, stirs 10-30 minute with the clockwise direction of stirring paddle 10-20rd/h the most again;
J. secondary alloy liquid is heated to 780-920 degree Celsius, and is incubated 90-150 minute, in insulating process with every Once, stirring stirs 6-8 minute once according to the clockwise direction of stirring paddle 10-20rd/h every time in stirring in 20-40 minute;
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys;
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid;
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stir 10-20 minute with the clockwise direction of stirring paddle 30-40rd/h, Stop stirring 20-30 minute again, stir counterclockwise 10-20 minute with the speed of stirring paddle 30-40rd/h the most again, then stop stirring Mix 20-30 minute;Stir 5-10 minute along counterclockwise with the speed of stirring paddle 10-20rd/h again, then stopping stirring 10-20 divides Clock, stirs 5-10 minute with the clockwise direction of stirring paddle 10-20rd/h the most again;
M. entire alloy liquid it is heated to 850-950 degree Celsius and is incubated 20-30 minute;Again by complete in 10-20 minute Whole aluminium alloy is cooled to 700-750 degree Celsius and is incubated 20-30 minute;In 5-10 minute, entire alloy liquid is warming up to again 800-850 degree Celsius and be incubated 10-20 minute;In 5-10 minute, entire alloy liquid is heated to 960-980 degree Celsius also again It is incubated 10-15 minute;In 5-10 minute, entire alloy liquid it is cooled to 850-950 degree Celsius again and is incubated 60-90 minute;
N., in 20-30 minute, entire alloy liquid is cooled to 650-700 degree Celsius and keeps 5-30 minute;
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that complete Aluminium alloy surface is without slag;
The most by weight percentage, refining agent is added by the amount of the 0.2%-0.3% accounting for aluminium alloy amount with the content of refining agent Enter in automatic powder blower;Being passed through, in stove, the nitrogen that pressure is 0.2-0.25MPa downwards, automatic powder blower is with 150-simultaneously 200Kg.s the downward stove of dusting speed in spray into refining agent;
P. entire alloy liquid step O obtained is poured into into by casting machine under conditions of being maintained at 650-700 degree Celsius In type grinding tool, cooling molding, obtains finished product corrosion-resistant pack alloy ingot.
Preferably, above-mentioned corrosion-resistant pack alloy, calculate with mass parts, including following composition:
Al:100 part;
Si:17-19 part;
Cu:0.12-0.18 part;
Mg:0.35-0.45 part;
Mn:0.35-0.45 part;
Zn:0.03-0.07 part;
In:0.4-0.7 part;
Fe:2.0-2.8 part;
V:0.5-0.7 part;
Ti:1.5-2.7 part;
Al is main body, and remaining composition constitutes additive.
Another is preferred, above-mentioned corrosion-resistant pack alloy, calculates with mass parts, including following composition:
Al:100 part;
Si:18 part;
Cu:0.15 part;
Mg:0.4 part;
Mn:0.4 part;
Zn:0.05 part;
In:0.6 part;
Fe:2.5 part;
V:0.6 part;
Ti:2.0 part;
Al is main body, and remaining composition constitutes additive.
Preferably, above-mentioned corrosion-resistant pack alloy is prepared by following technique:
A. it is pre-configured with additive according to component ratio;
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, furnace temperature reaches to be initially added into fine aluminium when 320-450 degree Celsius Raw material, raises the furnace temperature in blast furnace, makes the temperature of aluminum liquid in blast furnace reach 620-680 degree Celsius and be incubated 25-at this temperature 35 minutes;
C. after insulation, adding part additive in 3-5 minute, the additive added accounts for overall additive ratio 18%-23%;
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, the named initial conjunction of mixed liquor Gold liquid;
The detailed process of stirring is for the first time: first stir 12-17 minute with the clockwise direction of stirring paddle 6-8rd/h, then Stop stirring 10-15 minute, stir counterclockwise 12-17 minute with the speed of stirring paddle 6-8rd/h the most again, then stop stirring 3- 10 minutes;Stir 12-13 minute along counterclockwise with the speed of stirring paddle 23-28rd/h again, then stop stirring 12-13 minute, so After stir 12-13 minute with the clockwise direction of stirring paddle 23-28rd/h again;
E. the temperature of initial alloy liquid in State of Blast Furnace it is down to 630-650 degree Celsius and is incubated 22-27 minute, being incubated Outside stirring slag making aluminum ash picker out is come out of the stove by journey;
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 830-870 degree Celsius and is incubated 3.5-5.5 Hour;
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is 620-640 Degree Celsius;
H. keep under conditions of the temperature of initial alloy liquid is 710-730 degree Celsius in low stove, to low stove in 7-9 minute Interior addition accounts for the additive of the 40%-50% of overall additive ratio;
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains Secondary alloy liquid;
The detailed process of second time stirring is: first stir 12-18 minute with the clockwise direction of stirring paddle 22-27rd/h, Stop stirring 22-28 minute again, stir counterclockwise 12-18 minute with the speed of stirring paddle 22-27rd/h the most again, then stop stirring Mix 22-28 minute;Stir 26-29 minute along counterclockwise with the speed of stirring paddle 12-17rd/h again, then stopping stirring 15-28 divides Clock, stirs 13-27 minute with the clockwise direction of stirring paddle 12-18rd/h the most again;
J. secondary alloy liquid is heated to 800-900 degree Celsius, and is incubated 120-140 minute, with often in insulating process Every stirring in 30 minutes once, stirring stirs 6-8 minute according to the clockwise direction of stirring paddle 12-18rd/h every time;
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys;
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid;
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stir 13-18 minute with the clockwise direction of stirring paddle 33-38rd/h, Stop stirring 22-28 minute again, stir counterclockwise 13-18 minute with the speed of stirring paddle 32-36rd/h the most again, then stop stirring Mix 22-28 minute;Stir 6-8 minute along counterclockwise with the speed of stirring paddle 12-18rd/h again, then stop stirring 13-18 minute, 6-8 minute is stirred the most again with the clockwise direction of stirring paddle 12-18rd/h;
M. entire alloy liquid it is heated to 880-930 degree Celsius and is incubated 22-28 minute;Again by complete in 13-17 minute Whole aluminium alloy is cooled to 720-740 degree Celsius and is incubated 23-28 minute;In 6-8 minute, entire alloy liquid is warming up to again 820-830 degree Celsius and be incubated 12-17 minute;In 6-9 minute, entire alloy liquid it is heated to 960-980 degree Celsius again and protects Temperature 10-15 minute;In 5-10 minute, entire alloy liquid it is cooled to 870-930 degree Celsius again and is incubated 70-80 minute;
N., in 20-30 minute, entire alloy liquid is cooled to 660-680 degree Celsius and keeps 15-25 minute;
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that complete Aluminium alloy surface is without slag;
The most by weight percentage, the amount of 0.22%-0.28% of aluminium alloy amount is accounted for the content of refining agent by refining agent Add in automatic powder blower;Being passed through, in stove, the nitrogen that pressure is 0.23MPa downwards, automatic powder blower is with 170-190Kg.s simultaneously The downward stove of dusting speed in spray into refining agent;
P. entire alloy liquid step O obtained is poured into into by casting machine under conditions of being maintained at 660-690 degree Celsius In type grinding tool, cooling molding, obtains finished product corrosion-resistant pack alloy ingot.
Another is preferred, and above-mentioned corrosion-resistant pack alloy is prepared by following technique:
A. it is pre-configured with additive according to component ratio;
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, furnace temperature reaches to be initially added into when 350 degrees Celsius fine aluminium raw material, Raise the furnace temperature in blast furnace, make the temperature of aluminum liquid in blast furnace reach 650 degrees Celsius and be incubated 28 minutes at this temperature;
C. after insulation, adding part additive in 4 minutes, the additive added accounts for overall additive ratio 20%;
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, the named initial conjunction of mixed liquor Gold liquid;
The detailed process of stirring is for the first time: first stirs 14 minutes with the clockwise direction of stirring paddle 6.5rd/h, then stops Stir 12 minutes, stir counterclockwise 13 minutes with the speed of stirring paddle 6.5rd/h the most again, then stop stirring 4 minutes;Again to stir The speed mixing oar 25rd/h stirs 12 minutes along counterclockwise, then stops stirring 12 minutes, the most again with the speed of stirring paddle 25rd/h Degree stirring 13 minutes clockwise;
E. the temperature of initial alloy liquid in State of Blast Furnace is down to 640 degrees Celsius and is incubated 24 minutes, will in insulating process Outside stirring slag making aluminum ash picker out is come out of the stove;
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 850 degrees Celsius and is incubated 4.0 hours;
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is 625 Celsius Degree;
H. keep under conditions of the temperature of initial alloy liquid is 715 degrees Celsius in low stove, adding in low stove in 7.5 minutes Enter the additive of account for overall additive ratio 43%;
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains Secondary alloy liquid;
The detailed process of second time stirring is: first stirs 14 minutes with the clockwise direction of stirring paddle 23rd/h, then stops Stir 25 minutes, stir counterclockwise 14 minutes with the speed of stirring paddle 25rd/h the most again, then stop stirring 24 minutes;Again to stir The speed mixing oar 15rd/h stirs 27 minutes along counterclockwise, then stops stirring 20 minutes, the most again with the speed of stirring paddle 15rd/h Degree stirring 15 minutes clockwise;
J. secondary alloy liquid is heated to 830 degrees Celsius, and is incubated 125 minutes, with every 30 minutes in insulating process Once, stirring stirs 7 minutes according to the clockwise direction of stirring paddle 14rd/h every time in stirring;
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys;
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid;
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stirs 15 minutes with the clockwise direction of stirring paddle 35rd/h, then stops Stir 25 minutes, stir counterclockwise 14 minutes with the speed of stirring paddle 33rd/h the most again, then stop stirring 25 minutes;Again to stir The speed mixing oar 16rd/h stirs 6.5 minutes along counterclockwise, then stops stirring 15 minutes, the most again with the speed of stirring paddle 14rd/h Degree stirring 7 minutes clockwise;
M. entire alloy liquid is heated to 900 degrees Celsius and is incubated 23 minutes;In 14 minutes, entire alloy liquid is dropped again Temperature is to 730 degrees Celsius and is incubated 25 minutes;In 7 minutes, entire alloy liquid is warming up to 825 degrees Celsius again and is incubated 15 minutes; In 7 minutes, entire alloy liquid is heated to 970 degrees Celsius again and is incubated 12 minutes;In 6 minutes, entire alloy liquid is dropped again Temperature is to 880 degrees Celsius and is incubated 75 minutes;
N., in 22 minutes, entire alloy liquid is cooled to 670 degrees Celsius and keeps 18 minutes;
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that complete Aluminium alloy surface is without slag;
The most by weight percentage, with the content of refining agent account for aluminium alloy amount 0.25% amount refining agent is added automatically In duster;Stove is passed through downwards the nitrogen that pressure is 0.23MPa, simultaneously automatic powder blower with the dusting speed of 180Kg.s to Lower stove sprays into refining agent;
P. entire alloy liquid step O obtained pours into molding by casting machine under conditions of being maintained at 670 degrees Celsius and grinds In tool, cooling molding, obtains finished product corrosion-resistant pack alloy ingot.
Another is preferred, and above-mentioned corrosion-resistant pack alloy is prepared by following technique:
A. it is pre-configured with additive according to component ratio;
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, furnace temperature reaches to be initially added into when 440 degrees Celsius fine aluminium raw material, Raise the furnace temperature in blast furnace, make the temperature of aluminum liquid in blast furnace reach 670 degrees Celsius and be incubated 32 minutes at this temperature;
C. after insulation, adding part additive in 4.5 minutes, the additive added accounts for overall additive ratio 20%;
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, the named initial conjunction of mixed liquor Gold liquid;
The detailed process of stirring is for the first time: first stirs 16 minutes with the clockwise direction of stirring paddle 7.5rd/h, then stops Stir 14 minutes, stir counterclockwise 16 minutes with the speed of stirring paddle 7rd/h the most again, then stop stirring 8 minutes;Again with stirring The speed of oar 27rd/h is along stirring 12.5 minutes counterclockwise, then stops stirring 12.5 minutes, the most again with stirring paddle 26rd/h's Clockwise direction stirs 12.5 minutes;
E. the temperature of initial alloy liquid in State of Blast Furnace is down to 640 degrees Celsius and is incubated 25 minutes, will in insulating process Outside stirring slag making aluminum ash picker out is come out of the stove;
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 860 degrees Celsius and is incubated 4.5 hours;
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is 630 Celsius Degree;
H. keep under conditions of the temperature of initial alloy liquid is 720 degrees Celsius in low stove, adding in low stove in 8.5 minutes Enter the additive of account for overall additive ratio 45%;
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains Secondary alloy liquid;
The detailed process of second time stirring is: first stirs 16 minutes with the clockwise direction of stirring paddle 25rd/h, then stops Stir 25 minutes, stir counterclockwise 17 minutes with the speed of stirring paddle 25rd/h the most again, then stop stirring 25 minutes;Again to stir The speed mixing oar 15rd/h stirs 28 minutes along counterclockwise, then stops stirring 26 minutes, the most again with the speed of stirring paddle 17rd/h Degree stirring 25 minutes clockwise;
J. secondary alloy liquid is heated to 870 degrees Celsius, and is incubated 130 minutes, with every 30 minutes in insulating process Once, stirring stirs 7.5 minutes according to the clockwise direction of stirring paddle 17rd/h every time in stirring;
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys;
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid;
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stirs 16 minutes with the clockwise direction of stirring paddle 37rd/h, then stops Stir 27 minutes, stir counterclockwise 16 minutes with the speed of stirring paddle 35rd/h the most again, then stop stirring 26 minutes;Again to stir The speed mixing oar 16rd/h stirs 7 minutes along counterclockwise, then stops stirring 16 minutes, the most again with the speed of stirring paddle 17rd/h Stirring 7 minutes clockwise;
M. entire alloy liquid is heated to 900 degrees Celsius and is incubated 26 minutes;In 16 minutes, entire alloy liquid is dropped again Temperature is to 730 degrees Celsius and is incubated 26 minutes;In 7 minutes, entire alloy liquid is warming up to 825 degrees Celsius again and is incubated 16 minutes; In 8 minutes, entire alloy liquid is heated to 970 degrees Celsius again and is incubated 13 minutes;In 8 minutes, entire alloy liquid is dropped again Temperature is to 900 degrees Celsius and is incubated 76 minutes;
N., in 26 minutes, entire alloy liquid is cooled to 670 degrees Celsius and keeps 23 minutes;
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that complete Aluminium alloy surface is without slag;
The most by weight percentage, with the content of refining agent account for aluminium alloy amount 0.26% amount refining agent is added automatically In duster;Stove is passed through downwards the nitrogen that pressure is 0.23MPa, simultaneously automatic powder blower with the dusting speed of 180Kg.s to Lower stove sprays into refining agent;
P. entire alloy liquid step O obtained pours into molding by casting machine under conditions of being maintained at 680 degrees Celsius and grinds In tool, cooling molding, obtains finished product corrosion-resistant pack alloy ingot.
The corrosion-resistant pack alloy of the present invention, decay resistance is good, and alloy structure is fine and close, crystallize tiny, surface without Bright spot, slag.
Detailed description of the invention
The invention will be further described with the following Examples.
Embodiment 1.
A kind of corrosion-resistant pack alloy, calculates with mass parts, including following composition:
Al:100 part;
Si:15.5-20.5 part;
Cu:0.08-0.20 part;
Mg:0.3-0.5 part;
Mn:0.3-0.5 part;
Zn:0-0.10 part;
In:0.3-1.0 part;
Fe:1.8-3.0 part;
V:0.3-1.0 part;
Ti:1.03-3.15 part;
Al is main body, and remaining composition constitutes additive.
The outfit of the present invention, calculates with mass parts, and when in aluminium alloy, Al content is 100 moles, the content of Si is 15.5- 20.5 moles, the content of Cu is 0.08-0.20 mole, and the content of other element is corresponding in turn to analogize.
This corrosion-resistant pack alloy is prepared by following technique:
A. it is pre-configured with additive according to component ratio;
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, furnace temperature reaches to be initially added into fine aluminium when 300-500 degree Celsius Raw material, raises the furnace temperature in blast furnace, makes the temperature of aluminum liquid in blast furnace reach 600-700 degree Celsius and be incubated 20-at this temperature 40 minutes;
C. after insulation, adding part additive in 3-5 minute, the additive added accounts for overall additive ratio 15%-25%;
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, the named initial conjunction of mixed liquor Gold liquid;
The detailed process of stirring is for the first time: first stir 10-20 minute with the clockwise direction of stirring paddle 5-10rd/h, then Stop stirring 10-15 minute, stir counterclockwise 10-20 minute with the speed of stirring paddle 5-10rd/h the most again, then stop stirring 3-10 minute;Stir 10-15 minute along counterclockwise with the speed of stirring paddle 20-30rd/h again, then stop stirring 10-15 minute, 10-15 minute is stirred the most again with the clockwise direction of stirring paddle 20-30rd/h;
E. the temperature of initial alloy liquid in State of Blast Furnace it is down to 620-670 degree Celsius and is incubated 20-30 minute, being incubated Outside stirring slag making aluminum ash picker out is come out of the stove by journey;
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 800-900 degree Celsius and to be incubated 3-6 little Time;
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is 600-650 Degree Celsius;
H. keep under conditions of the temperature of initial alloy liquid is 700-740 degree Celsius in low stove, to low in 6-10 minute The additive of the 30%-60% accounting for overall additive ratio is added in stove;
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains Secondary alloy liquid;
The detailed process of second time stirring is: first stir 10-20 minute with the clockwise direction of stirring paddle 20-30rd/h, Stop stirring 20-30 minute again, stir counterclockwise 10-15 minute with the speed of stirring paddle 20-30rd/h the most again, then stop stirring Mix 20-30 minute;Stir 25-30 minute along counterclockwise with the speed of stirring paddle 10-20rd/h again, then stopping stirring 10-30 divides Clock, stirs 10-30 minute with the clockwise direction of stirring paddle 10-20rd/h the most again;
J. secondary alloy liquid is heated to 780-920 degree Celsius, and is incubated 90-150 minute, in insulating process with every Once, stirring stirs 6-8 minute once according to the clockwise direction of stirring paddle 10-20rd/h every time in stirring in 20-40 minute;
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys;
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid;
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stir 10-20 minute with the clockwise direction of stirring paddle 30-40rd/h, Stop stirring 20-30 minute again, stir counterclockwise 10-20 minute with the speed of stirring paddle 30-40rd/h the most again, then stop stirring Mix 20-30 minute;Stir 5-10 minute along counterclockwise with the speed of stirring paddle 10-20rd/h again, then stopping stirring 10-20 divides Clock, stirs 5-10 minute with the clockwise direction of stirring paddle 10-20rd/h the most again;
M. entire alloy liquid it is heated to 850-950 degree Celsius and is incubated 20-30 minute;Again by complete in 10-20 minute Whole aluminium alloy is cooled to 700-750 degree Celsius and is incubated 20-30 minute;In 5-10 minute, entire alloy liquid is warming up to again 800-850 degree Celsius and be incubated 10-20 minute;In 5-10 minute, entire alloy liquid is heated to 960-980 degree Celsius also again It is incubated 10-15 minute;In 5-10 minute, entire alloy liquid it is cooled to 850-950 degree Celsius again and is incubated 60-90 minute;
N., in 20-30 minute, entire alloy liquid is cooled to 650-700 degree Celsius and keeps 5-30 minute;
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that complete Aluminium alloy surface is without slag;
The most by weight percentage, refining agent is added by the amount of the 0.2%-0.3% accounting for aluminium alloy amount with the content of refining agent Enter in automatic powder blower;Being passed through, in stove, the nitrogen that pressure is 0.2-0.25MPa downwards, automatic powder blower is with 150-simultaneously The downward stove of dusting speed of 200Kg.s sprays into refining agent;
P. entire alloy liquid step O obtained is poured into into by casting machine under conditions of being maintained at 650-700 degree Celsius In type grinding tool, cooling molding, obtains finished product corrosion-resistant pack alloy ingot.
The present invention is controlled by each component ratio and the preparation technology of each step, constitutes complete scheme, by right The control of each technology point reaches final overall performance.By different time, the input preface of different proportion additive, it is thus achieved that The corrosion-resistant pack alloy of whole ratio.The variation of any one technology point all may can cause product final performance not reach Requirement.
The corrosion-resistant pack alloy of the present invention, its dense structure, crystallize tiny, without bright spot, without shrinkage cavity, without slag.Anti- Tensile strength is functional, and decay resistance is good.
Use this corrosion-resistant pack alloy as communication hardware, the hardware of base station support device, friendship The raw material of logical instrument etc., prepared product decay resistance is good, and product surface is smooth, atresia impulse-free robustness.
Embodiment 2.
A kind of corrosion-resistant pack alloy, further feature is same as in Example 1, and difference is: this corrosion-resistant die casting Aluminium alloy, calculates with mass parts, including following composition,
Al:100 part;
Si:17-19 part;
Cu:0.12-0.18 part;
Mg:0.35-0.45 part;
Mn:0.35-0.45 part;
Zn:0.03-0.07 part;
In:0.4-0.7 part;
Fe:2.0-2.8 part;
V:0.5-0.7 part;
Ti:1.5-2.7 part;
Al is main body, and remaining composition constitutes additive.
Use the corrosion-resistant pack alloy of this outfit, the corrosion-resistant die casting when being prepared on a large scale, between different batches Aluminium alloy capability concordance is good, stable performance.
The corrosion-resistant pack alloy of the present invention, its dense structure, crystallize tiny, without bright spot, without shrinkage cavity, without slag.Anti- Tensile strength is functional, and decay resistance is good.This corrosion-resistant pack alloy anodic oxidation is functional.
Embodiment 3.
A kind of corrosion-resistant pack alloy, further feature is same as in Example 1, and difference is: this corrosion-resistant die casting Aluminium alloy, calculates with mass parts, including following composition,
Al:100 part;
Si:18 part;
Cu:0.15 part;
Mg:0.4 part;
Mn:0.4 part;
Zn:0.05 part;
In:0.6 part;
Fe:2.5 part;
V:0.6 part;
Ti:2.0 part;
Al is main body, and remaining composition constitutes additive.
The corrosion-resistant pack alloy of the present invention, its dense structure, crystallize tiny, without bright spot, without shrinkage cavity, without slag.Anti- Tensile strength is functional, and decay resistance is good.
Use this corrosion-resistant pack alloy as communication hardware, the hardware of base station support device, friendship The raw material of logical instrument etc., prepared product decay resistance is good, and product surface is smooth, atresia impulse-free robustness.
Embodiment 4.
A kind of corrosion-resistant pack alloy, further feature is identical with embodiment 1 or 2 or 3, and difference is: also have Following technical characteristic, corrosion-resistant pack alloy prepared by following technique,
A. it is pre-configured with additive according to component ratio;
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, furnace temperature reaches to be initially added into fine aluminium when 320-450 degree Celsius Raw material, raises the furnace temperature in blast furnace, makes the temperature of aluminum liquid in blast furnace reach 620-680 degree Celsius and be incubated 25-at this temperature 35 minutes;
C. after insulation, adding part additive in 3-5 minute, the additive added accounts for overall additive ratio 18%-23%;
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, the named initial conjunction of mixed liquor Gold liquid;
The detailed process of stirring is for the first time: first stir 12-17 minute with the clockwise direction of stirring paddle 6-8rd/h, then Stop stirring 10-15 minute, stir counterclockwise 12-17 minute with the speed of stirring paddle 6-8rd/h the most again, then stop stirring 3- 10 minutes;Stir 12-13 minute along counterclockwise with the speed of stirring paddle 23-28rd/h again, then stop stirring 12-13 minute, so After stir 12-13 minute with the clockwise direction of stirring paddle 23-28rd/h again;
E. the temperature of initial alloy liquid in State of Blast Furnace it is down to 630-650 degree Celsius and is incubated 22-27 minute, being incubated Outside stirring slag making aluminum ash picker out is come out of the stove by journey;
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 830-870 degree Celsius and is incubated 3.5-5.5 Hour;
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is 620-640 Degree Celsius;
H. keep under conditions of the temperature of initial alloy liquid is 710-730 degree Celsius in low stove, to low stove in 7-9 minute Interior addition accounts for the additive of the 40%-50% of overall additive ratio;
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains Secondary alloy liquid;
The detailed process of second time stirring is: first stir 12-18 minute with the clockwise direction of stirring paddle 22-27rd/h, Stop stirring 22-28 minute again, stir counterclockwise 12-18 minute with the speed of stirring paddle 22-27rd/h the most again, then stop stirring Mix 22-28 minute;Stir 26-29 minute along counterclockwise with the speed of stirring paddle 12-17rd/h again, then stopping stirring 15-28 divides Clock, stirs 13-27 minute with the clockwise direction of stirring paddle 12-18rd/h the most again;
J. secondary alloy liquid is heated to 800-900 degree Celsius, and is incubated 120-140 minute, with often in insulating process Every stirring in 30 minutes once, stirring stirs 6-8 minute according to the clockwise direction of stirring paddle 12-18rd/h every time;
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys;
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid;
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stir 13-18 minute with the clockwise direction of stirring paddle 33-38rd/h, Stop stirring 22-28 minute again, stir counterclockwise 13-18 minute with the speed of stirring paddle 32-36rd/h the most again, then stop stirring Mix 22-28 minute;Stir 6-8 minute along counterclockwise with the speed of stirring paddle 12-18rd/h again, then stop stirring 13-18 minute, 6-8 minute is stirred the most again with the clockwise direction of stirring paddle 12-18rd/h;
M. entire alloy liquid it is heated to 880-930 degree Celsius and is incubated 22-28 minute;Again by complete in 13-17 minute Whole aluminium alloy is cooled to 720-740 degree Celsius and is incubated 23-28 minute;In 6-8 minute, entire alloy liquid is warming up to again 820-830 degree Celsius and be incubated 12-17 minute;In 6-9 minute, entire alloy liquid it is heated to 960-980 degree Celsius again and protects Temperature 10-15 minute;In 5-10 minute, entire alloy liquid it is cooled to 870-930 degree Celsius again and is incubated 70-80 minute;
N., in 20-30 minute, entire alloy liquid is cooled to 660-680 degree Celsius and keeps 15-25 minute;
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that complete Aluminium alloy surface is without slag;
The most by weight percentage, the amount of 0.22%-0.28% of aluminium alloy amount is accounted for the content of refining agent by refining agent Add in automatic powder blower;Being passed through, in stove, the nitrogen that pressure is 0.23MPa downwards, automatic powder blower is with 170-190Kg.s simultaneously The downward stove of dusting speed in spray into refining agent;
P. entire alloy liquid step O obtained is poured into into by casting machine under conditions of being maintained at 660-690 degree Celsius In type grinding tool, cooling molding, obtains finished product corrosion-resistant pack alloy ingot.
The corrosion-resistant pack alloy of the present invention, its dense structure, crystallize tiny, without bright spot, without shrinkage cavity, without slag.Anti- Tensile strength is functional, and decay resistance is good.
Use this corrosion-resistant pack alloy as communication hardware, the hardware of base station support device, friendship The raw material of logical instrument etc., prepared product decay resistance is good, and product surface is smooth, atresia impulse-free robustness.
Embodiment 5.
A kind of corrosion-resistant pack alloy, further feature is identical with embodiment 2 or 3, and difference is: also have as follows Technical characteristic, corrosion-resistant pack alloy prepared by following technique,
A. it is pre-configured with additive according to component ratio;
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, furnace temperature reaches to be initially added into when 350 degrees Celsius fine aluminium raw material, Raise the furnace temperature in blast furnace, make the temperature of aluminum liquid in blast furnace reach 650 degrees Celsius and be incubated 28 minutes at this temperature;
C. after insulation, adding part additive in 4 minutes, the additive added accounts for overall additive ratio 20%;
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, the named initial conjunction of mixed liquor Gold liquid;
The detailed process of stirring is for the first time: first stirs 14 minutes with the clockwise direction of stirring paddle 6.5rd/h, then stops Stir 12 minutes, stir counterclockwise 13 minutes with the speed of stirring paddle 6.5rd/h the most again, then stop stirring 4 minutes;Again to stir The speed mixing oar 25rd/h stirs 12 minutes along counterclockwise, then stops stirring 12 minutes, the most again with the speed of stirring paddle 25rd/h Degree stirring 13 minutes clockwise;
E. the temperature of initial alloy liquid in State of Blast Furnace is down to 640 degrees Celsius and is incubated 24 minutes, will in insulating process Outside stirring slag making aluminum ash picker out is come out of the stove;
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 850 degrees Celsius and is incubated 4.0 hours;
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is 625 Celsius Degree;
H. keep under conditions of the temperature of initial alloy liquid is 715 degrees Celsius in low stove, adding in low stove in 7.5 minutes Enter the additive of account for overall additive ratio 43%;
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains Secondary alloy liquid;
The detailed process of second time stirring is: first stirs 14 minutes with the clockwise direction of stirring paddle 23rd/h, then stops Stir 25 minutes, stir counterclockwise 14 minutes with the speed of stirring paddle 25rd/h the most again, then stop stirring 24 minutes;Again to stir The speed mixing oar 15rd/h stirs 27 minutes along counterclockwise, then stops stirring 20 minutes, the most again with the speed of stirring paddle 15rd/h Degree stirring 15 minutes clockwise;
J. secondary alloy liquid is heated to 830 degrees Celsius, and is incubated 125 minutes, with every 30 minutes in insulating process Once, stirring stirs 7 minutes according to the clockwise direction of stirring paddle 14rd/h every time in stirring;
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys;
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid;
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stirs 15 minutes with the clockwise direction of stirring paddle 35rd/h, then stops Stir 25 minutes, stir counterclockwise 14 minutes with the speed of stirring paddle 33rd/h the most again, then stop stirring 25 minutes;Again to stir The speed mixing oar 16rd/h stirs 6.5 minutes along counterclockwise, then stops stirring 15 minutes, the most again with the speed of stirring paddle 14rd/h Degree stirring 7 minutes clockwise;
M. entire alloy liquid is heated to 900 degrees Celsius and is incubated 23 minutes;In 14 minutes, entire alloy liquid is dropped again Temperature is to 730 degrees Celsius and is incubated 25 minutes;In 7 minutes, entire alloy liquid is warming up to 825 degrees Celsius again and is incubated 15 minutes; In 7 minutes, entire alloy liquid is heated to 970 degrees Celsius again and is incubated 12 minutes;In 6 minutes, entire alloy liquid is dropped again Temperature is to 880 degrees Celsius and is incubated 75 minutes;
N., in 22 minutes, entire alloy liquid is cooled to 670 degrees Celsius and keeps 18 minutes;
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that complete Aluminium alloy surface is without slag;
The most by weight percentage, with the content of refining agent account for aluminium alloy amount 0.25% amount refining agent is added automatically In duster;Stove is passed through downwards the nitrogen that pressure is 0.23MPa, simultaneously automatic powder blower with the dusting speed of 180Kg.s to Lower stove sprays into refining agent;
P. entire alloy liquid step O obtained pours into molding by casting machine under conditions of being maintained at 670 degrees Celsius and grinds In tool, cooling molding, obtains finished product corrosion-resistant pack alloy ingot.
The corrosion-resistant pack alloy of the present invention, its dense structure, crystallize tiny, without bright spot, without shrinkage cavity, without slag.Anti- Tensile strength is functional, and decay resistance is good.Corrosion-resistant diecasting alloys prepared by the present embodiment, not only excellent corrosion Different, and there is good anodic oxidation performance.
Use this corrosion-resistant pack alloy as communication hardware, the hardware of base station support device, friendship The raw material of logical instrument etc., prepared product decay resistance is good, and product surface is smooth, atresia impulse-free robustness.
Embodiment 6.
A kind of corrosion-resistant pack alloy, further feature is same as in Example 3, and difference is: also have following skill Art feature, corrosion-resistant pack alloy prepared by following technique,
A. it is pre-configured with additive according to component ratio;
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, furnace temperature reaches to be initially added into when 440 degrees Celsius fine aluminium raw material, Raise the furnace temperature in blast furnace, make the temperature of aluminum liquid in blast furnace reach 670 degrees Celsius and be incubated 32 minutes at this temperature;
C. after insulation, adding part additive in 4.5 minutes, the additive added accounts for overall additive ratio 20%;
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, the named initial conjunction of mixed liquor Gold liquid;
The detailed process of stirring is for the first time: first stirs 16 minutes with the clockwise direction of stirring paddle 7.5rd/h, then stops Stir 14 minutes, stir counterclockwise 16 minutes with the speed of stirring paddle 7rd/h the most again, then stop stirring 8 minutes;Again with stirring The speed of oar 27rd/h is along stirring 12.5 minutes counterclockwise, then stops stirring 12.5 minutes, the most again with stirring paddle 26rd/h's Clockwise direction stirs 12.5 minutes;
E. the temperature of initial alloy liquid in State of Blast Furnace is down to 640 degrees Celsius and is incubated 25 minutes, will in insulating process Outside stirring slag making aluminum ash picker out is come out of the stove;
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 860 degrees Celsius and is incubated 4.5 hours;
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is 630 Celsius Degree;
H. keep under conditions of the temperature of initial alloy liquid is 720 degrees Celsius in low stove, adding in low stove in 8.5 minutes Enter the additive of account for overall additive ratio 45%;
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains Secondary alloy liquid;
The detailed process of second time stirring is: first stirs 16 minutes with the clockwise direction of stirring paddle 25rd/h, then stops Stir 25 minutes, stir counterclockwise 17 minutes with the speed of stirring paddle 25rd/h the most again, then stop stirring 25 minutes;Again to stir The speed mixing oar 15rd/h stirs 28 minutes along counterclockwise, then stops stirring 26 minutes, the most again with the speed of stirring paddle 17rd/h Degree stirring 25 minutes clockwise;
J. secondary alloy liquid is heated to 870 degrees Celsius, and is incubated 130 minutes, with every 30 minutes in insulating process Once, stirring stirs 7.5 minutes according to the clockwise direction of stirring paddle 17rd/h every time in stirring;
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys;
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid;
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stirs 16 minutes with the clockwise direction of stirring paddle 37rd/h, then stops Stir 27 minutes, stir counterclockwise 16 minutes with the speed of stirring paddle 35rd/h the most again, then stop stirring 26 minutes;Again to stir The speed mixing oar 16rd/h stirs 7 minutes along counterclockwise, then stops stirring 16 minutes, the most again with the speed of stirring paddle 17rd/h Stirring 7 minutes clockwise;
M. entire alloy liquid is heated to 900 degrees Celsius and is incubated 26 minutes;In 16 minutes, entire alloy liquid is dropped again Temperature is to 730 degrees Celsius and is incubated 26 minutes;In 7 minutes, entire alloy liquid is warming up to 825 degrees Celsius again and is incubated 16 minutes; In 8 minutes, entire alloy liquid is heated to 970 degrees Celsius again and is incubated 13 minutes;In 8 minutes, entire alloy liquid is dropped again Temperature is to 900 degrees Celsius and is incubated 76 minutes;
N., in 26 minutes, entire alloy liquid is cooled to 670 degrees Celsius and keeps 23 minutes;
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that complete Aluminium alloy surface is without slag;
The most by weight percentage, with the content of refining agent account for aluminium alloy amount 0.26% amount refining agent is added automatically In duster;Stove is passed through downwards the nitrogen that pressure is 0.23MPa, simultaneously automatic powder blower with the dusting speed of 180Kg.s to Lower stove sprays into refining agent;
P. entire alloy liquid step O obtained pours into molding by casting machine under conditions of being maintained at 680 degrees Celsius and grinds In tool, cooling molding, obtains finished product corrosion-resistant pack alloy ingot.
The corrosion-resistant pack alloy of the present invention, its dense structure, crystallize tiny, without bright spot, without shrinkage cavity, without slag.Anti- Tensile strength is functional, and decay resistance is good.This corrosion-resistant pack alloy anodic oxidation is functional.The present embodiment resistance to Corrosion pack alloy is put up the best performance in terms of decay resistance.
It is last it should be noted that, the present invention is only protected by above example in order to technical scheme to be described The restriction of scope, although being explained in detail the present invention with reference to preferred embodiment, those of ordinary skill in the art should manage Solve, technical scheme can be modified or equivalent, without deviating from technical solution of the present invention essence and Scope.

Claims (6)

1. a corrosion-resistant pack alloy, it is characterised in that calculate with mass parts, including following composition:
Al:100 part;
Si:15.5-20.5 part;
Cu:0.08-0.20 part;
Mg:0.3-0.5 part;
Mn:0.3-0.5 part;
Zn:0-0.10 part;
In:0.3-1.0 part;
Fe:1.8-3.0 part;
V:0.3-1.0 part;
Ti:1.03-3.15 part;
Al is main body, and remaining composition constitutes additive;
This corrosion-resistant pack alloy is prepared by following technique:
A. it is pre-configured with additive according to component ratio;
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, furnace temperature reaches to be initially added into when 300-500 degree Celsius fine aluminium raw material, Raise the furnace temperature in blast furnace, make the temperature of aluminum liquid in blast furnace reach 600-700 degree Celsius and at this temperature insulation 20-40 divide Clock;
C. after insulation, adding part additive in 3-5 minute, the additive added accounts for overall additive ratio 15%-25%;
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, mixed liquor named initial alloy liquid;
The detailed process of stirring is for the first time: first stirs 10-20 minute with the clockwise direction of stirring paddle 5-10rd/h, then stops Stir 10-15 minute, stir counterclockwise 10-20 minute with the speed of stirring paddle 5-10rd/h the most again, then stop stirring 3-10 Minute;Stir 10-15 minute along counterclockwise with the speed of stirring paddle 20-30rd/h again, then stop stirring 10-15 minute, then 10-15 minute is stirred again with the clockwise direction of stirring paddle 20-30rd/h;
E. the temperature of initial alloy liquid in State of Blast Furnace it is down to 620-670 degree Celsius and is incubated 20-30 minute, in insulating process Outside stirring slag making aluminum ash picker out is come out of the stove;
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 800-900 degree Celsius and is incubated 3-6 hour;
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is that 600-650 is Celsius Degree;
H. keep under conditions of the temperature of initial alloy liquid is 700-740 degree Celsius in low stove, in 6-10 minute in low stove Add the additive of the 30%-60% accounting for overall additive ratio;
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains secondary Aluminium alloy;
The detailed process of second time stirring is: first stirs 10-20 minute with the clockwise direction of stirring paddle 20-30rd/h, then stops Only stirring 20-30 minute, stirs 10-15 minute counterclockwise with the speed of stirring paddle 20-30rd/h the most again, then stops stirring 20-30 minute;Stir 25-30 minute along counterclockwise with the speed of stirring paddle 10-20rd/h again, then stop stirring 10-30 minute, 10-30 minute is stirred the most again with the clockwise direction of stirring paddle 10-20rd/h;
J. secondary alloy liquid is heated to 780-920 degree Celsius, and is incubated 90-150 minute, with every 20-in insulating process Once, stirring stirs 6-8 minute once according to the clockwise direction of stirring paddle 10-20rd/h every time in stirring in 40 minutes;
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys;
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid;
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stirs 10-20 minute with the clockwise direction of stirring paddle 30-40rd/h, then stops Only stirring 20-30 minute, stirs 10-20 minute counterclockwise with the speed of stirring paddle 30-40rd/h the most again, then stops stirring 20-30 minute;Stir 5-10 minute along counterclockwise with the speed of stirring paddle 10-20rd/h again, then stop stirring 10-20 minute, 5-10 minute is stirred the most again with the clockwise direction of stirring paddle 10-20rd/h;
M. entire alloy liquid it is heated to 850-950 degree Celsius and is incubated 20-30 minute;To completely close in 10-20 minute again Gold liquid is cooled to 700-750 degree Celsius and is incubated 20-30 minute;In 5-10 minute, entire alloy liquid is warming up to 800-again 850 degrees Celsius and be incubated 10-20 minute;In 5-10 minute, entire alloy liquid it is heated to 960-980 degree Celsius again and is incubated 10-15 minute;In 5-10 minute, entire alloy liquid it is cooled to 850-950 degree Celsius again and is incubated 60-90 minute;
N., in 20-30 minute, entire alloy liquid is cooled to 650-700 degree Celsius and keeps 5-30 minute;
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that entire alloy Liquid surface is without slag;
The most by weight percentage, refining agent is added certainly by the amount of the 0.2%-0.3% accounting for aluminium alloy amount with the content of refining agent In dynamic duster;Being passed through, in stove, the nitrogen that pressure is 0.2-0.25MPa downwards, automatic powder blower is with 150-200Kg.s's simultaneously The downward stove of dusting speed sprays into refining agent;
P. entire alloy liquid step O obtained pours into molding by casting machine under conditions of being maintained at 650-700 degree Celsius and grinds In tool, cooling molding, obtains finished product corrosion-resistant pack alloy ingot.
Corrosion-resistant pack alloy the most according to claim 1, it is characterised in that calculate with mass parts, including becoming as follows Point:
Al:100 part;
Si:17-19 part;
Cu:0.12-0.18 part;
Mg:0.35-0.45 part;
Mn:0.35-0.45 part;
Zn:0.03-0.07 part;
In:0.4-0.7 part;
Fe:2.0-2.8 part;
V:0.5-0.7 part;
Ti:1.5-2.7 part;
Al is main body, and remaining composition constitutes additive.
Corrosion-resistant pack alloy the most according to claim 2, it is characterised in that
Calculate with mass parts, including following composition:
Al:100 part;
Si:18 part;
Cu:0.15 part;
Mg:0.4 part;
Mn:0.4 part;
Zn:0.05 part;
In:0.6 part;
Fe:2.5 part;
V:0.6 part;
Ti:2.0 part;
Al is main body, and remaining composition constitutes additive.
4. according to the corrosion-resistant pack alloy described in Claims 2 or 3, it is characterised in that described corrosion-resistant pack alloy Prepared by following technique:
A. it is pre-configured with additive according to component ratio;
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, furnace temperature reaches to be initially added into when 320-450 degree Celsius fine aluminium raw material, Raise the furnace temperature in blast furnace, make the temperature of aluminum liquid in blast furnace reach 620-680 degree Celsius and at this temperature insulation 25-35 divide Clock;
C. after insulation, adding part additive in 3-5 minute, the additive added accounts for overall additive ratio 18%-23%;
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, mixed liquor named initial alloy liquid;
The detailed process of stirring is for the first time: first stirs 12-17 minute with the clockwise direction of stirring paddle 6-8rd/h, then stops Stir 10-15 minute, stir counterclockwise 12-17 minute with the speed of stirring paddle 6-8rd/h the most again, then stopping stirring 3-10 divides Clock;Stir 12-13 minute along counterclockwise with the speed of stirring paddle 23-28rd/h again, then stop stirring 12-13 minute, the most again 12-13 minute is stirred with the clockwise direction of stirring paddle 23-28rd/h;
E. the temperature of initial alloy liquid in State of Blast Furnace it is down to 630-650 degree Celsius and is incubated 22-27 minute, in insulating process Outside stirring slag making aluminum ash picker out is come out of the stove;
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 830-870 degree Celsius and to be incubated 3.5-5.5 little Time;
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is that 620-640 is Celsius Degree;
H. keep under conditions of the temperature of initial alloy liquid is 710-730 degree Celsius in low stove, adding in low stove in 7-9 minute Enter the additive of the 40%-50% accounting for overall additive ratio;
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains secondary Aluminium alloy;
The detailed process of second time stirring is: first stirs 12-18 minute with the clockwise direction of stirring paddle 22-27rd/h, then stops Only stirring 22-28 minute, stirs 12-18 minute counterclockwise with the speed of stirring paddle 22-27rd/h the most again, then stops stirring 22-28 minute;Stir 26-29 minute along counterclockwise with the speed of stirring paddle 12-17rd/h again, then stop stirring 15-28 minute, 13-27 minute is stirred the most again with the clockwise direction of stirring paddle 12-18rd/h;
J. secondary alloy liquid is heated to 800-900 degree Celsius, and is incubated 120-140 minute, with every 30 in insulating process Once, every time stirring stirs 6-8 minute according to the clockwise direction of stirring paddle 12-18rd/h for minute stirring;
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys;
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid;
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stirs 13-18 minute with the clockwise direction of stirring paddle 33-38rd/h, then stops Only stirring 22-28 minute, stirs 13-18 minute counterclockwise with the speed of stirring paddle 32-36rd/h the most again, then stops stirring 22-28 minute;Stir 6-8 minute along counterclockwise with the speed of stirring paddle 12-18rd/h again, then stop stirring 13-18 minute, so After stir 6-8 minute with the clockwise direction of stirring paddle 12-18rd/h again;
M. entire alloy liquid it is heated to 880-930 degree Celsius and is incubated 22-28 minute;To completely close in 13-17 minute again Gold liquid is cooled to 720-740 degree Celsius and is incubated 23-28 minute;In 6-8 minute, entire alloy liquid is warming up to 820-830 again Degree Celsius and be incubated 12-17 minute;In 6-9 minute, entire alloy liquid it is heated to 960-980 degree Celsius again and is incubated 10-15 Minute;In 5-10 minute, entire alloy liquid it is cooled to 870-930 degree Celsius again and is incubated 70-80 minute;
N., in 20-30 minute, entire alloy liquid is cooled to 660-680 degree Celsius and keeps 15-25 minute;
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that entire alloy Liquid surface is without slag;
The most by weight percentage, refining agent is added by the amount of the 0.22%-0.28% accounting for aluminium alloy amount with the content of refining agent In automatic powder blower;Being passed through, in stove, the nitrogen that pressure is 0.23MPa downwards, automatic powder blower is with the spray of 170-190Kg.s simultaneously The downward stove of powder speed sprays into refining agent;
P. entire alloy liquid step O obtained pours into molding by casting machine under conditions of being maintained at 660-690 degree Celsius and grinds In tool, cooling molding, obtains finished product corrosion-resistant pack alloy ingot.
Corrosion-resistant pack alloy the most according to claim 4, it is characterised in that described corrosion-resistant pack alloy passes through Prepared by following technique:
A. it is pre-configured with additive according to component ratio;
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, furnace temperature reaches to be initially added into when 350 degrees Celsius fine aluminium raw material, raises Furnace temperature in blast furnace, makes the temperature of aluminum liquid in blast furnace reach 650 degrees Celsius and be incubated 28 minutes at this temperature;
C. after insulation, adding part additive in 4 minutes, the additive added accounts for overall additive ratio 20%;
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, mixed liquor named initial alloy liquid;
The detailed process of stirring is for the first time: first stir 14 minutes with the clockwise direction of stirring paddle 6.5rd/h, then stops stirring 12 minutes, stir counterclockwise 13 minutes with the speed of stirring paddle 6.5rd/h the most again, then stop stirring 4 minutes;Again with stirring paddle The speed of 25rd/h is along stirring 12 minutes counterclockwise, then stops stirring 12 minutes, and the speed with stirring paddle 25rd/h is suitable the most again Hour hands stir 13 minutes;
E. the temperature of initial alloy liquid in State of Blast Furnace is down to 640 degrees Celsius and is incubated 24 minutes, will stirring in insulating process Outside slag making aluminum ash picker out is come out of the stove;
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 850 degrees Celsius and is incubated 4.0 hours;
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is 625 degrees Celsius;
H. keep under conditions of the temperature of initial alloy liquid is 715 degrees Celsius in low stove, adding in low stove in 7.5 minutes and accounting for The additive of the 43% of overall additive ratio;
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains secondary Aluminium alloy;
The detailed process of second time stirring is: first stirs 14 minutes with the clockwise direction of stirring paddle 23rd/h, then stops stirring 25 minutes, stir counterclockwise 14 minutes with the speed of stirring paddle 25rd/h the most again, then stop stirring 24 minutes;Again with stirring paddle The speed of 15rd/h is along stirring 27 minutes counterclockwise, then stops stirring 20 minutes, and the speed with stirring paddle 15rd/h is suitable the most again Hour hands stir 15 minutes;
J. secondary alloy liquid is heated to 830 degrees Celsius, and is incubated 125 minutes, with every stirring in 30 minutes in insulating process Once, stirring stirs 7 minutes according to the clockwise direction of stirring paddle 14rd/h every time;
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys;
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid;
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stirs 15 minutes with the clockwise direction of stirring paddle 35rd/h, then stops stirring 25 minutes, stir counterclockwise 14 minutes with the speed of stirring paddle 33rd/h the most again, then stop stirring 25 minutes;Again with stirring paddle The speed of 16rd/h is along stirring 6.5 minutes counterclockwise, then stops stirring 15 minutes, and the speed with stirring paddle 14rd/h is suitable the most again Hour hands stir 7 minutes;
M. entire alloy liquid is heated to 900 degrees Celsius and is incubated 23 minutes;In 14 minutes, entire alloy liquid is cooled to again 730 degrees Celsius and be incubated 25 minutes;In 7 minutes, entire alloy liquid is warming up to 825 degrees Celsius again and is incubated 15 minutes;Exist again In 7 minutes, entire alloy liquid is heated to 970 degrees Celsius and is incubated 12 minutes;In 6 minutes, entire alloy liquid is cooled to again 880 degrees Celsius and be incubated 75 minutes;
N., in 22 minutes, entire alloy liquid is cooled to 670 degrees Celsius and keeps 18 minutes;
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that entire alloy Liquid surface is without slag;
The most by weight percentage, with the content of refining agent account for aluminium alloy amount 0.25% amount refining agent is added automatic powder spraying In machine;Being passed through, in stove, the nitrogen that pressure is 0.23MPa downwards, automatic powder blower is with the downward stove of dusting speed of 180Kg.s simultaneously In spray into refining agent;
P. entire alloy liquid step O obtained is poured in shaping grinding apparatus by casting machine under conditions of being maintained at 670 degrees Celsius Cooling molding, obtains finished product corrosion-resistant pack alloy ingot.
Corrosion-resistant pack alloy the most according to claim 4, it is characterised in that described corrosion-resistant pack alloy passes through Prepared by following technique:
A. it is pre-configured with additive according to component ratio;
B., blast furnace carries out the pre-heat treatment in advance, and in blast furnace, furnace temperature reaches to be initially added into when 440 degrees Celsius fine aluminium raw material, raises Furnace temperature in blast furnace, makes the temperature of aluminum liquid in blast furnace reach 670 degrees Celsius and be incubated 32 minutes at this temperature;
C. after insulation, adding part additive in 4.5 minutes, the additive added accounts for overall additive ratio 20%;
D. carry out stirring for the first time so that the additive added is mixed homogeneously with aluminum liquid, mixed liquor named initial alloy liquid;
The detailed process of stirring is for the first time: first stir 16 minutes with the clockwise direction of stirring paddle 7.5rd/h, then stops stirring 14 minutes, stir counterclockwise 16 minutes with the speed of stirring paddle 7rd/h the most again, then stop stirring 8 minutes;Again with stirring paddle The speed of 27rd/h is along stirring 12.5 minutes counterclockwise, then stops stirring 12.5 minutes, the most again with the speed of stirring paddle 26rd/h Degree stirring 12.5 minutes clockwise;
E. the temperature of initial alloy liquid in State of Blast Furnace is down to 640 degrees Celsius and is incubated 25 minutes, will stirring in insulating process Outside slag making aluminum ash picker out is come out of the stove;
F. blast furnace is heated up so that in blast furnace, the temperature of initial alloy liquid rises to 860 degrees Celsius and is incubated 4.5 hours;
G. forwarding initial alloy liquid to low stove from blast furnace, during converter, the temperature of initial alloy liquid is 630 degrees Celsius;
H. keep under conditions of the temperature of initial alloy liquid is 720 degrees Celsius in low stove, adding in low stove in 8.5 minutes and accounting for The additive of the 45% of overall additive ratio;
I. carry out second time to stir so that in low stove, the additive of described addition is mixed homogeneously with initial alloy liquid, obtains secondary Aluminium alloy;
The detailed process of second time stirring is: first stirs 16 minutes with the clockwise direction of stirring paddle 25rd/h, then stops stirring 25 minutes, stir counterclockwise 17 minutes with the speed of stirring paddle 25rd/h the most again, then stop stirring 25 minutes;Again with stirring paddle The speed of 15rd/h is along stirring 28 minutes counterclockwise, then stops stirring 26 minutes, and the speed with stirring paddle 17rd/h is suitable the most again Hour hands stir 25 minutes;
J. secondary alloy liquid is heated to 870 degrees Celsius, and is incubated 130 minutes, with every stirring in 30 minutes in insulating process Once, stirring stirs 7.5 minutes according to the clockwise direction of stirring paddle 17rd/h every time;
K., secondary alloy liquid in low stove adds the additive of surplus, obtains three aluminium alloys;
L. three aluminium alloys are carried out third time to stir, obtain entire alloy liquid;
The detailed process of third time stirring is:
The detailed process of third time stirring is: first stirs 16 minutes with the clockwise direction of stirring paddle 37rd/h, then stops stirring 27 minutes, stir counterclockwise 16 minutes with the speed of stirring paddle 35rd/h the most again, then stop stirring 26 minutes;Again with stirring paddle The speed of 16rd/h is along stirring 7 minutes counterclockwise, then stops stirring 16 minutes, the most again with the speed up time of stirring paddle 17rd/h Pin stirs 7 minutes;
M. entire alloy liquid is heated to 900 degrees Celsius and is incubated 26 minutes;In 16 minutes, entire alloy liquid is cooled to again 730 degrees Celsius and be incubated 26 minutes;In 7 minutes, entire alloy liquid is warming up to 825 degrees Celsius again and is incubated 16 minutes;Exist again In 8 minutes, entire alloy liquid is heated to 970 degrees Celsius and is incubated 13 minutes;In 8 minutes, entire alloy liquid is cooled to again 900 degrees Celsius and be incubated 76 minutes;
N., in 26 minutes, entire alloy liquid is cooled to 670 degrees Celsius and keeps 23 minutes;
In insulating process, it is stirred while the slag charge on entire alloy liquid surface is carried out taking off Slag treatment so that entire alloy Liquid surface is without slag;
The most by weight percentage, with the content of refining agent account for aluminium alloy amount 0.26% amount refining agent is added automatic powder spraying In machine;Being passed through, in stove, the nitrogen that pressure is 0.23MPa downwards, automatic powder blower is with the downward stove of dusting speed of 180Kg.s simultaneously In spray into refining agent;
P. entire alloy liquid step O obtained is poured in shaping grinding apparatus by casting machine under conditions of being maintained at 680 degrees Celsius Cooling molding, obtains finished product corrosion-resistant pack alloy ingot.
CN201610783476.6A 2016-08-31 2016-08-31 A kind of corrosion-resistant pack alloy Pending CN106191567A (en)

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