CN106282704A - A kind of 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils and preparation method thereof - Google Patents
A kind of 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils and preparation method thereof Download PDFInfo
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- CN106282704A CN106282704A CN201610645602.1A CN201610645602A CN106282704A CN 106282704 A CN106282704 A CN 106282704A CN 201610645602 A CN201610645602 A CN 201610645602A CN 106282704 A CN106282704 A CN 106282704A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/18—Alloys based on aluminium with copper as the next major constituent with zinc
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/14—Alloys based on aluminium with copper as the next major constituent with silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/16—Alloys based on aluminium with copper as the next major constituent with magnesium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/057—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with copper as the next major constituent
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Abstract
The invention discloses a kind of 1120 alloy flexibility bonded ceramic welding lining pad aluminium foil and processing technique thereof, the present invention is with copper, ferrum, silicon and aluminum as primary raw material, by copper: ferrum: silicon=2:1:0.5 weight ratio dispensing, rolled by melting, continuous casting and rolling, cold rolling, rewinding trimming, intermediate annealing, paper tinsel, aluminium foil surface roughening treatment, aluminium foil surface cleaning treatment, aluminium foil are sheared point processing step such as bar, finished products and prepared.0.05 ~ 0.07mm thickness 1120 alloy flexibility bonded ceramic welding lining pad aluminium foil that the present invention is produced, has excellent pliability, tack, thermostability and heat conductivity.The aluminum foil and adhesive tape pliability produced with aluminium foil of the present invention is good, under the conditions of welding arc heat effect, with position bonding bottom the heat affected area mother metal around weld seam, caking property is strong, good heat dissipation effect, it is not easy deformation, warpage and comes off, ceramic welding backing block can be met in welding process, keep the use requirement of stable not play.
Description
Technical field
The present invention relates to a kind of 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils and preparation method thereof.Belong to aluminium foil
Processing technique field.
Background technology
Along with society progress, national economy and science and technology development, the application of Crafts of welding by one side in shape by both sides with send out
Exhibition, increasingly embody in welding method its high-quality, efficiently, energy-saving and environmental protection, the technical advantage of low cost.Flexible adhesive type
Ceramic welding backing is efficient and convenient with its use, and the adaptable feature in welding position, in one side welding with back formation technique and weldering
Seam is forced day by day to be paid attention in forming technology, is widely used in shipbuilding, boiler and other metal structure manufacture.
Flexible adhesive type ceramic substrate structure is made up of ceramic liner cushion block and aluminum foil and adhesive tape, aluminum foil and adhesive tape act primarily as stickup and
Supporting role, it is to avoid it is due to the movement of workpiece in welding process, and turning rolls play causes that liner supporting force is uneven, liner
The problems such as dislocation, weldering leakage and molding are bad.In flexible adhesive type ceramic substrate structure, the stickup position of aluminum foil and adhesive tape is got over from weld seam
Far, temperature is the lowest, and aluminum foil and adhesive tape is just less susceptible to come off, and the stability of welding process is the strongest.Therefore, flexible adhesive type pottery
Aluminum foil and adhesive tape in welding backing structure has special requirement to the pliability of aluminium foil, tack, thermostability, heat conductivity.
In prior art, the many employings of aluminum foil and adhesive tape 1050,1060,1070,8011,1100 alloy full soft state aluminium foil applies
High-quality pressure sensitive adhesive make, there is the effects such as certain caking property and aging resistance, be usually used in refrigerator, air-conditioning, automobile, petrochemical industry, bridge,
The seam of all aluminum foil composites of the industry such as hotel, electronics is pasted and the repairing of sealing at bar for line puncture and breakage
Multiple.This kind of aluminum foil and adhesive tape, under the conditions of welding arc heat effect, with weld seam around heat affected area mother metal bottom bonding portion
Position, because of temperature distortion, warpage, easily comes off, it is impossible to meets ceramic welding backing block and keeps stable not play in welding process
Use requirement.
Summary of the invention
It is an object of the invention to for the deficiencies in the prior art, and a kind of pliability, tack, heat-resisting is provided
Property, the 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils and preparation method thereof of excellent heat conductivity.
The object of the present invention is achieved like this: a kind of 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils, and it is special
To levy as follows: the content of described Iron in Aluminium Alloy is≤0.40wt%, and the content of silicon is≤0.10wt%, the content of copper is 0.05 ~
0.40wt%, the content of magnesium is ＜ 0.01wt%, and the content of manganese is ＜ 0.01wt%, and the content of zinc is ＜ 0.01wt%, the content of titanium
It is 0.01 ~ 0.03wt%, the most removable impurity single content ＜ 0.03wt%, the most removable impurity adds up to content ＜ 0.10wt%, its
Remaining composition is aluminum.Described Copper In Aluminum Alloys, ferrum, silicon alloy composition quality proportioning are 2:1:0.4 ~ 0.6, are preferably: 2:1:0.5.
A kind of preparation method of 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils, the technique stream of described preparation method
Cheng Wei: 1120 alloy meltings → continuous casting and rolling is to Casting Rolled Sheet → the be cold rolled to 3.0～3.5mm thickness → cold of 6.0～7.0mm thickness
Roll to 1.5 ~ 1.8mm thickness → be cold rolled to, 0.8 ~ 1.0mm thickness → re-reeler trimming switch to width 1125mm → intermediate annealing →
It is cold rolled to 0.4 ~ 0.5mm thickness → paper tinsel roll and be rolled down to 0.08～0.12mm thickness → paper tinsel to 0.2 ~ 0.3mm thickness → paper tinsel and roll
System divides bar to becoming to 0.05 ~ 0.07mm finished product thickness → aluminium foil surface roughening treatment → aluminium foil surface cleaning treatment → aluminium foil slitter
Product width 550mm → mechanical properties test → finished products → inspection packaging.
Described 1120 alloy smelting process by: load melting prepared, after having taken off slag, when melt temperature reach 740 ~
When 760 DEG C, copper is with the form of metallic addition, and Direct Uniform dispersion is thrown in al molten bath, is stirred, and melts 15 ~ 30
Minute.
Described intermediate annealing process is: use nitrogen protection annealing furnace annealing, i.e.≤100 DEG C of shove charges, and pre-intensification 0.5 is little
Up to 200 DEG C, pre-incubation 3 hours, in nitrogen charging of bleeding to stove, oxygen content reaches below 1000ppm, heats up 1.5 hours to 550 DEG C
Persistently be incubated 11h, lower the temperature 1h to 420 DEG C time insulation 2h, lower the temperature 1h to 340 DEG C, air cooling of coming out of the stove.
After described intermediate annealing, general working rate is more than 90%, meets the tension of 170 ~ 190MPa before aluminum foil finished products strong
Degree and the mechanical property requirements of the elongation percentage more than 3%.
Described aluminium foil surface roughening treatment technique is: install scouring pad wheel on aluminum foil rewinding machine additional so that it is along aluminum foil coiling
Direction inverts, and aluminium foil upper surface carries out straight line wire drawing process.
Described aluminium foil surface cleaning is: carry out aluminium foil upper surface injection D40 solvent naphtha clearly on aluminum foil cleaner
Wash.
Described finished product annealing process is: use negative pressure oil removing aluminum foil annealing furnace annealing, i.e.≤100 DEG C of shove charges, opens negative pressure
Blower fan, in making stove, negative pressure reaches-1000 ~-3000Pa, heats up 0.5 hour to 180 DEG C, is incubated 20 hours, closes negative-pressure air fan,
Heat up 1.5 hours to 210 ~ 230 DEG C and be persistently incubated 23h, lower the temperature 1h to 150 DEG C, with stove air cooling.
The tensile strength of finished product aluminium foil 70 ~ 90MPa and the mechanical property of the elongation percentage of 5 ~ 8% is met after described finished products
Requirement.
The feature of the present invention is as follows:
1, the present invention uses 1120 alloys to be raw material production flexibility bonded ceramic welding lining pad aluminium foil, its objective is to play this conjunction
Gold utensil has the performance advantages such as low resistance of deformation, good plasticity and high thermal conductivity, meets flexible adhesive type ceramic welding lining
Pad aluminium foil has the characteristic requirements of excellent pliability and heat conductivity.The present invention uses intermediate annealing and finished products secondary to reroll
Annealing process, contributes to aluminium foil pliability and improves, the twisted elimination of lattice that machining deformation causes, and lattice defect reduces, metal
Heat conductivity improves.The 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils of the present invention, aluminium foil mechanical property is tensile strength
70～90Mpa, elongation percentage 5 ~ 8%；Aluminium foil thermal conductive performance: thermal conductivity time 20 DEG C (68) is more than 222W/(m k).
2,1120 Copper In Aluminum Alloys of the present invention, ferrum, silicon alloy composition proportioning are 2:1:0.4 ~ 0.6, are preferably: 2:1:
0.5.Contribute to the flexible adhesive type ceramic substrate of this alloy production during welding uses, the aluminum foil and adhesive tape in its structure,
It is heated at a certain temperature generation ageing behavior, makes (CuFe) Al of trace in alloy6Two-phase compound is along disperse around crystal boundary
Separate out, contribute to the reduction of alloy dispersion-strengtherning and thermal coefficient of expansion, and then carry heavy alloyed thermostability.1050 alloys 20 ~
In the range of 200 DEG C, thermal coefficient of expansion is 24.5 μm (m k), alloy of the present invention in the range of 20 ~ 200 DEG C, thermal expansion system
Number can reach 24.3 μm (m k).The 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils of the present invention, its heat resisting temperature can
Reach 230 DEG C of indeformable, not warpages.
3, aluminium foil upper surface of the present invention carries out wire drawing roughening treatment and uses D40 solvent naphtha to be carried out processing, with
And aluminium foil slitter divides employing negative pressure oil removing low temperature prolonged anneal process after bar, contribute to the raising of aluminium foil surface wetting tension, enter
And increase specific surface area and the adhesive force of coating high-quality pressure sensitive adhesive of aluminium foil.The 1120 alloy flexibility adhesive type pottery welderings of the present invention
Connect liner aluminium foil, aluminium foil surface wetting tension: more than or equal to 34 × 10-3N/m。
Detailed description of the invention
A kind of preparation method of 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils, the content of described Iron in Aluminium Alloy
For≤0.40wt%, the content of silicon is≤0.10wt%, and the content of copper is 0.05 ~ 0.40wt%, and the content of magnesium is ＜ 0.01wt%, manganese
Content be ＜ 0.01wt%, the content of zinc is ＜ 0.01wt%, and the content of titanium is 0.01 ~ 0.03wt%, and the most removable impurity is single
Content ＜ 0.03wt%, the most removable impurity adds up to content ＜ 0.10wt%, and remaining composition is aluminum.Described Copper In Aluminum Alloys, ferrum, silicon
Alloying component proportioning is 2:1:0.5.
Its technical process is as follows:
1120 alloy meltings → continuous casting and rolling is to Casting Rolled Sheet → the be cold rolled to 3.0～3.5mm thickness → cold of 6.0～7.0mm thickness
Roll to 1.5 ~ 1.8mm thickness → be cold rolled to, 0.8 ~ 1.0mm thickness → re-reeler trimming switch to width 1125mm → intermediate annealing →
It is cold rolled to 0.4 ~ 0.5mm thickness → paper tinsel roll and be rolled down to 0.08～0.12mm thickness → paper tinsel to 0.2 ~ 0.3mm thickness → paper tinsel and roll
System divides bar to becoming to 0.05 ~ 0.07mm finished product thickness → aluminium foil surface roughening treatment → aluminium foil surface cleaning treatment → aluminium foil slitter
Product width 550mm → mechanical properties test → finished products → inspection packaging.
Described 1120 alloy smelting process by: load melting prepared, after having taken off slag, when melt temperature reach 740 ~
When 760 DEG C, copper is with the form of metallic addition, and Direct Uniform dispersion is thrown in al molten bath, is stirred, and melts 15 ~ 30
Minute.
Described intermediate annealing process is: use nitrogen protection annealing furnace annealing, i.e.≤100 DEG C of shove charges, and pre-intensification 0.5 is little
Up to 200 DEG C, pre-incubation 3 hours, in nitrogen charging of bleeding to stove, oxygen content reaches below 1000ppm, heats up 1.5 hours to 550 DEG C
Persistently be incubated 11h, lower the temperature 1h to 420 DEG C time insulation 2h, lower the temperature 1h to 340 DEG C, air cooling of coming out of the stove.
After described intermediate annealing, general working rate is more than 90%, meets the tension of 170 ~ 190MPa before aluminum foil finished products strong
Degree and the mechanical property requirements of the elongation percentage more than 3%.
Described aluminium foil surface roughening treatment technique is: install scouring pad wheel on aluminum foil rewinding machine additional so that it is along aluminum foil coiling
Direction inverts, and aluminium foil upper surface carries out straight line wire drawing process.
Described aluminium foil surface cleaning is: carry out aluminium foil upper surface injection D40 solvent naphtha clearly on aluminum foil cleaner
Wash.
Described finished product annealing process is: use negative pressure oil removing aluminum foil annealing furnace annealing, i.e.≤100 DEG C of shove charges, opens negative pressure
Blower fan, in making stove, negative pressure reaches-1000 ~-3000Pa, heats up 0.5 hour to 180 DEG C, is incubated 20 hours, closes negative-pressure air fan,
Heat up 1.5 hours to 210 ~ 230 DEG C and be persistently incubated 23h, lower the temperature 1h to 150 DEG C, with stove air cooling.
The tensile strength of finished product aluminium foil 70 ~ 90MPa and the mechanical property of the elongation percentage of 5 ~ 8% is met after described finished products
Requirement.
The present invention 1120 alloy flexibility bonded ceramic welding lining pad aluminium foil the key technical indexes is:
1, dimensionally stable, aluminum foil thickness, width and tolerance: 0.05 ~ 0.07±3%×550±0.5mm；
2, aluminium foil surface wetting tension: more than or equal to 34 × 10-3N/m；
3, aluminium foil heat resisting temperature: less than or equal to 230 DEG C；
4, aluminium foil mechanical property: tensile strength 70～90Mpa, elongation percentage 5 ~ 8%；
5, aluminium foil thermal conductive performance: thermal conductivity time 20 DEG C (68) is more than 222W/(m.k).
Above-mentioned technical specification illustrates, 0.05 ~ 0.07mm thickness 1120 alloy flexibility adhesive type pottery that the present invention is produced
Welding backing aluminium foil, the aluminum foil and adhesive tape pliability produced is good, under the conditions of welding arc heat effect, with the hot shadow around weld seam
Ringing position bonding bottom district mother metal, caking property is strong, good heat dissipation effect, it is not easy to deformation, warpage and come off, and can meet pottery
Welding backing block keeps the use requirement of stable not play in welding process.
Below in conjunction with embodiment, the detailed description of the invention of the present invention is further described.Following example are only used for more
Add and clearly demonstrate technical scheme, and can not limit the scope of the invention with this.
Embodiment 1:
A kind of 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils, 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils
In containing the ferrum of 0.20wt%, the silicon of 0.10wt%, the copper of 0.40wt%, the magnesium of 0.006wt%, the manganese of 0.008wt%, 0.003wt%
Zinc, the titanium of 0.01wt%, the most removable impurity single content ＜ 0.03wt%, the most removable impurity add up to content ＜ 0.10wt%,
Remaining composition is aluminum.
The processing technique of a kind of 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils, its technique includes adding as follows work step
Rapid:
The first step: dispensing, raw material is configured by the proportioning as described in claim 1；
Second step: melting, load melting prepared, after having taken off slag, when melt temperature reaches 740 ~ 760 DEG C, copper
With the form of metallic addition, Direct Uniform dispersion is thrown in al molten bath, is stirred, melts 15 ~ 30 minutes.
3rd step: continuous casting and rolling, realizes casting, rolling deformation, by the aluminium alloy melt after filter cleaner in roll casting zone
Casting becomes the strip of 7.0mm, then through plate shape adjustment, shear, batch and obtain cast-rolling stock；
4th step: cold rolling, is rolled down to into, by cold-rolling mill, the cold rolling blank that thickness is 3.5mm by cast-rolling stock；Again by cold rolling base
Material is rolled into the cold rolling blank that 1.8mm is thick, afterwards, the more cold rolling blank that 1.8mm is thick is rolled into the thick cold rolling blank of 1.0mm；
5th step: rewinding trimming, by cold rolling blank thick for 1.0mm, makes after re-reeler trimming that 1.0mm is thick, 1125mm is wide
Cold rolling blank；
6th step: intermediate annealing, carries out intermediate annealing, intermediate annealing work by the cold rolling blank nitrogen protected mode that 1.0mm is thick
Skill is :≤100 DEG C of shove charges, and pre-intensification 0.5 hour to 200 DEG C, pre-incubation 3 hours, in nitrogen charging of bleeding to stove, oxygen content reaches
Below 1000ppm, heats up 1.5 hours to 550 DEG C and is persistently incubated 11h, lower the temperature 1h to 420 DEG C time insulation 2h, lower the temperature 1h to 340
DEG C, air cooling of coming out of the stove.
7th step: cold rolling, by making after intermediate annealing that 1.0mm is thick, that cold rolling blank wide for 1125mm is cold rolled to 0.5mm is thick
Cold rolling blank；
8th step: paper tinsel rolls, the cold rolling blank thick by the 0.5mm after cold rolling, paper tinsel rolls the paper tinsel rolling stock that 0.3mm is thick；
9th step: paper tinsel rolls, the paper tinsel rolling stock thick by 0.3mm, paper tinsel rolls the paper tinsel rolling stock that 0.12mm is thick, then is rolled by paper tinsel rolling stock paper tinsel
Become aluminum foil stock thick for 0.07mm；
Tenth step: roughening, the aluminum foil stock that the 0.07mm after being rolled by paper tinsel is thick, by along aluminum foil coiling direction on aluminum foil rewinding machine
The scouring pad wheel of reversion, carries out straight line wire drawing process to aluminium foil upper surface.
11st step: clean, the aluminum foil stock that the 0.07mm after upper surface wire drawing being processed is thick, right on aluminum foil cleaner
Aluminium foil upper surface injection D40 solvent naphtha is carried out.
12nd step: rip cutting, the aluminum foil stock that the 0.07mm after being cleaned by upper surface is thick, aluminium foil slitter divides bar to become needs
Size and dimension
13rd step, inspection, by the 0.07mm aluminum foil coil after rip cutting, before finished products, carry out mechanical properties test, according to inspection
Test result and determine finished products temperature.
14th step: finished products, uses negative pressure oil removing mode to carry out finished product aluminum foil coil thick for the 0.07mm after rip cutting
Annealing, finished product annealing process is :≤100 DEG C of shove charges, opens negative-pressure air fan, and in making stove, negative pressure reaches-1000 ~-3000Pa, heats up
0.5 hour to 180 DEG C, being incubated 20 hours, close negative-pressure air fan, heat up 1.5 hours to 230 DEG C and be persistently incubated 23h, cooling 1h arrives
150 DEG C, with stove air cooling.
15th step: check packaging, the 0.07mm aluminum foil coil after finished products, carry out finished product mechanical property, size, table
Face, presentation quality after the assay was approved, are packed, and obtain 1120 alloy flexibility bonded ceramic welding lining pad aluminum foil finished products.
Embodiment 2:
A kind of 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils, 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils
In containing the ferrum of 0.15wt%, the silicon of 0.07wt%, the copper of 0.30wt%, the magnesium of 0.003wt%, the manganese of 0.003wt%, 0.004wt%
Zinc, the titanium of 0.016wt%, the most removable impurity single content ＜ 0.03wt%, the most removable impurity add up to content ＜
0.10wt%, remaining composition is aluminum.
The processing technique of a kind of 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils, its technique includes
Following procedure of processing:
The first step: dispensing, raw material is configured by the proportioning as described in claim 1；
Second step: melting, load melting prepared, after having taken off slag, when melt temperature reaches 740 ~ 760 DEG C, copper
With the form of metallic addition, Direct Uniform dispersion is thrown in al molten bath, is stirred, melts 15 ~ 30 minutes.
3rd step: continuous casting and rolling, realizes casting, rolling deformation, by the aluminium alloy melt after filter cleaner in roll casting zone
Casting becomes the strip of 6.5mm, then through plate shape adjustment, shear, batch and obtain cast-rolling stock；
4th step: cold rolling, is rolled down to into, by cold-rolling mill, the cold rolling blank that thickness is 3.25mm by cast-rolling stock；Again by cold rolling base
Material is rolled into the cold rolling blank that 1.65mm is thick, afterwards, the more cold rolling blank that 1.65mm is thick is rolled into the thick cold rolling base of 0.9mm
Material；
5th step: rewinding trimming, by cold rolling blank thick for 0.9mm, makes after re-reeler trimming that 0.9mm is thick, 1125mm is wide
Cold rolling blank；
6th step: intermediate annealing, carries out intermediate annealing, intermediate annealing work by the cold rolling blank nitrogen protected mode that 0.9mm is thick
Skill is :≤100 DEG C of shove charges, and pre-intensification 0.5 hour to 200 DEG C, pre-incubation 3 hours, in nitrogen charging of bleeding to stove, oxygen content reaches
Below 1000ppm, heats up 1.5 hours to 550 DEG C and is persistently incubated 11h, lower the temperature 1h to 420 DEG C time insulation 2h, lower the temperature 1h to 340
DEG C, air cooling of coming out of the stove.
7th step: cold rolling is thick by making after intermediate annealing that 0.9mm is thick, cold rolling blank wide for 1125mm is cold rolled to 0.45mm
Cold rolling blank；
8th step: paper tinsel rolls, the cold rolling blank thick by the 0.45mm after cold rolling, paper tinsel rolls the paper tinsel rolling stock that 0.25mm is thick；
9th step: paper tinsel rolls, the paper tinsel rolling stock thick by 0.25mm, paper tinsel rolls the paper tinsel rolling stock that 0.10mm is thick, then by paper tinsel rolling stock paper tinsel
Roll into the thick aluminum foil stock of 0.06mm；
Tenth step: roughening, the aluminum foil stock that the 0.06mm after being rolled by paper tinsel is thick, by along aluminum foil coiling direction on aluminum foil rewinding machine
The scouring pad wheel of reversion, carries out straight line wire drawing process to aluminium foil upper surface.
11st step: clean, the aluminum foil stock that the 0.06mm after upper surface wire drawing being processed is thick, right on aluminum foil cleaner
Aluminium foil upper surface injection D40 solvent naphtha is carried out.
12nd step: rip cutting, the aluminum foil stock that the 0.06mm after being cleaned by upper surface is thick, aluminium foil slitter divides bar to become needs
Size and dimension
13rd step, inspection, by the 0.06mm aluminum foil coil after rip cutting, before finished products, carry out mechanical properties test, according to inspection
Test result and determine finished products temperature.
14th step: finished products, uses negative pressure oil removing mode to carry out finished product aluminum foil coil thick for the 0.06mm after rip cutting
Annealing, finished product annealing process is :≤100 DEG C of shove charges, opens negative-pressure air fan, and in making stove, negative pressure reaches-1000 ~-3000Pa, heats up
0.5 hour to 180 DEG C, being incubated 20 hours, close negative-pressure air fan, heat up 1.5 hours to 220 DEG C and be persistently incubated 23h, cooling 1h arrives
150 DEG C, with stove air cooling.
15th step: check packaging, the 0.06mm aluminum foil coil after finished products, carry out finished product mechanical property, size, table
Face, presentation quality after the assay was approved, are packed, and obtain 1120 alloy flexibility bonded ceramic welding lining pad aluminum foil finished products.
Embodiment 3:
A kind of 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils, 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils
In containing the ferrum of 0.10wt%, the silicon of 0.04wt%, the copper of 0.20wt%, the magnesium of 0.002wt%, the manganese of 0.004wt%, 0.003wt%
Zinc, the titanium of 0.03wt%, the most removable impurity single content ＜ 0.03wt%, the most removable impurity add up to content ＜ 0.10wt%,
Remaining composition is aluminum.
The processing technique of a kind of 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils, its technique includes adding as follows work step
Rapid:
The first step: dispensing, raw material is configured by the proportioning as described in claim 1；
Second step: melting, load melting prepared, after having taken off slag, when melt temperature reaches 740 ~ 760 DEG C, copper
With the form of metallic addition, Direct Uniform dispersion is thrown in al molten bath, is stirred, melts 15 ~ 30 minutes.
3rd step: continuous casting and rolling, realizes casting, rolling deformation, by the aluminium alloy melt after filter cleaner in roll casting zone
Casting becomes the strip of 6.0mm, then through plate shape adjustment, shear, batch and obtain cast-rolling stock；
4th step: cold rolling, is rolled down to into, by cold-rolling mill, the cold rolling blank that thickness is 3.0mm by cast-rolling stock；Again by cold rolling base
Material is rolled into the cold rolling blank that 1.5mm is thick, afterwards, the more cold rolling blank that 1.5mm is thick is rolled into the thick cold rolling blank of 0.8mm；
5th step: rewinding trimming, by cold rolling blank thick for 0.8mm, makes after re-reeler trimming that 0.8mm is thick, 1125mm is wide
Cold rolling blank；
6th step: intermediate annealing, carries out intermediate annealing, intermediate annealing work by the cold rolling blank nitrogen protected mode that 0.8mm is thick
Skill is :≤100 DEG C of shove charges, and pre-intensification 0.5 hour to 200 DEG C, pre-incubation 3 hours, in nitrogen charging of bleeding to stove, oxygen content reaches
Below 1000ppm, heats up 1.5 hours to 550 DEG C and is persistently incubated 11h, lower the temperature 1h to 420 DEG C time insulation 2h, lower the temperature 1h to 340
DEG C, air cooling of coming out of the stove.
7th step: cold rolling, by making after intermediate annealing that 0.8mm is thick, that cold rolling blank wide for 1125mm is cold rolled to 0.4mm is thick
Cold rolling blank；
8th step: paper tinsel rolls, the cold rolling blank thick by the 0.4mm after cold rolling, paper tinsel rolls the paper tinsel rolling stock that 0.2mm is thick；
9th step: paper tinsel rolls, the paper tinsel rolling stock thick by 0.2mm, paper tinsel rolls the paper tinsel rolling stock that 0.08mm is thick, then is rolled by paper tinsel rolling stock paper tinsel
Become aluminum foil stock thick for 0.05mm；
Tenth step: roughening, the aluminum foil stock that the 0.05mm after being rolled by paper tinsel is thick, by along aluminum foil coiling direction on aluminum foil rewinding machine
The scouring pad wheel of reversion, carries out straight line wire drawing process to aluminium foil upper surface.
11st step: clean, the aluminum foil stock that the 0.05mm after upper surface wire drawing being processed is thick, right on aluminum foil cleaner
Aluminium foil upper surface injection D40 solvent naphtha is carried out.
12nd step: rip cutting, the aluminum foil stock that the 0.05mm after being cleaned by upper surface is thick, aluminium foil slitter divides bar to become needs
Size and dimension
13rd step, inspection, by the 0.05mm aluminum foil coil after rip cutting, before finished products, carry out mechanical properties test, according to inspection
Test result and determine finished products temperature.
14th step: finished products, uses negative pressure oil removing mode to carry out finished product aluminum foil coil thick for the 0.05mm after rip cutting
Annealing, finished product annealing process is :≤100 DEG C of shove charges, opens negative-pressure air fan, and in making stove, negative pressure reaches-1000 ~-3000Pa, heats up
0.5 hour to 180 DEG C, being incubated 20 hours, close negative-pressure air fan, heat up 1.5 hours to 210 DEG C and be persistently incubated 23h, cooling 1h arrives
150 DEG C, with stove air cooling.
15th step: check packaging, the 0.05mm aluminum foil coil after finished products, carry out finished product mechanical property, size, table
Face, presentation quality after the assay was approved, are packed, and obtain 1120 alloy flexibility bonded ceramic welding lining pad aluminum foil finished products.
Comparative example 1:
Comparative example 1 is different only in that with embodiment 1: in alloy composition, iron content is 0.40wt%.
Comparative example 2:
Comparative example 2 is different only in that with embodiment 1: in alloy composition, silicone content is 0.20wt%.
Comparative example 3:
Comparative example 3 is different only in that with embodiment 1: in alloy composition, copper content is 0.20wt%.
Comparative example 4:
Comparative example 4 is different only in that with embodiment 1: in alloy composition, copper content is 0.80wt%.
The product of embodiment Yu comparative example is pressed GB/T22638-2008 aluminium foil test method, GB/ under identical condition
T228-2002 metal material tensile testing at ambient temperature and GB/T3651-2008 metallic high temperature thermal conductivity measurement method are carried out
Check, result such as table 1.
Table 1
The above is only the preferred embodiment of the present invention, it is noted that come for those skilled in the art
Saying, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. an alloy flexibility bonded ceramic welding lining pad aluminium foil, it is characterised in that: the content of described Iron in Aluminium Alloy
For≤0.40wt%, the content of silicon is≤0.10wt%, and the content of copper is 0.05 ~ 0.40wt%, and the content of magnesium is ＜ 0.01wt%, manganese
Content be ＜ 0.01wt%, the content of zinc is ＜ 0.01wt%, and the content of titanium is 0.01 ~ 0.03wt%, and the most removable impurity is single
Content ＜ 0.03wt%, the most removable impurity adds up to content ＜ 0.10wt%, and remaining composition is aluminum；Described Copper In Aluminum Alloys, ferrum, silicon
Alloying component quality proportioning is 2:1:0.4 ~ 0.6.
1120 alloy flexibility bonded ceramic welding lining pad aluminium foils the most according to claim 1, it is characterised in that: described aluminum
In alloy, copper, ferrum, silicon alloy composition quality proportioning are 2:1:0.5.
3. the preparation method of an alloy flexibility bonded ceramic welding lining pad aluminium foil, it is characterised in that: described 1120 close
The flexible bonded ceramic welding lining pad aluminium foil of gold elementary composition as claimed in claim 1, the technological process of its preparation method is:
1120 alloy meltings → continuous casting and rolling is to Casting Rolled Sheet → the be cold rolled to 3.0～3.5mm thickness → be cold rolled to of 6.0～7.0mm thickness
1.5 ~ 1.8mm thickness → be cold rolled to, 0.8 ~ 1.0mm thickness → re-reeler trimming switches to width 1125mm → intermediate annealing → cold rolling
Roll to 0.4 ~ 0.5mm thickness → paper tinsel and be rolled down to 0.08～0.12mm thickness → paper tinsel to 0.2 ~ 0.3mm thickness → paper tinsel and roll and be rolled down to
0.05 ~ 0.07mm finished product thickness → aluminium foil surface roughening treatment → aluminium foil surface cleaning treatment → aluminium foil slitter divides bar to trim width
Degree 550mm → mechanical properties test → finished products → inspection packaging.
The preparation method of a kind of 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils the most according to claim 3, its
Be characterised by: described 1120 alloy smelting process by: load melting prepared, after having taken off slag, when melt temperature reaches 740
When ~ 760 DEG C, copper is with the form of metallic addition, and Direct Uniform dispersion is thrown in al molten bath, is stirred, and melts 15 ~ 30
Minute.
The preparation method of a kind of 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils the most according to claim 3, its
Being characterised by: described intermediate annealing process is: use nitrogen protection annealing furnace annealing, i.e.≤100 DEG C of shove charges, pre-intensification 0.5 is little
Up to 200 DEG C, pre-incubation 3 hours, in nitrogen charging of bleeding to stove, oxygen content reaches below 1000ppm, heats up 1.5 hours to 550 DEG C
Persistently be incubated 11h, lower the temperature 1h to 420 DEG C time insulation 2h, lower the temperature 1h to 340 DEG C, air cooling of coming out of the stove.
The preparation method of a kind of 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils the most according to claim 3, its
It is characterised by: after described intermediate annealing, general working rate is more than 90%, meets the tension of 170 ~ 190MPa before aluminum foil finished products strong
Degree and the mechanical property requirements of the elongation percentage more than 3%.
The preparation method of a kind of 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils the most according to claim 3, its
It is characterised by: described aluminium foil surface roughening treatment technique is: on aluminum foil rewinding machine, install scouring pad wheel additional so that it is along aluminum foil coiling
Direction inverts, and aluminium foil upper surface carries out straight line wire drawing process.
The preparation method of a kind of 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils the most according to claim 3, its
It is characterised by: described aluminium foil surface cleaning is: on aluminum foil cleaner, aluminium foil upper surface injection D40 solvent naphtha is carried out clearly
Wash.
The preparation method of a kind of 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils the most according to claim 3, its
It is characterised by: described finished product annealing process is: use negative pressure oil removing aluminum foil annealing furnace annealing, i.e.≤100 DEG C of shove charges, opens negative
Pressure fan, in making stove, negative pressure reaches-1000～-3000Pa, heats up 0.5 hour to 180 DEG C, is incubated 20 hours, closes negative pressure wind
Machine, heats up 1.5 hours to 210 ~ 230 DEG C and is persistently incubated 23h, lowers the temperature 1h to 150 DEG C, with stove air cooling.
The preparation method of a kind of 1120 alloy flexibility bonded ceramic welding lining pad aluminium foils the most according to claim 3, its
It is characterised by: after described finished products, meet the tensile strength of finished product aluminium foil 70 ~ 90MPa and the mechanical property of the elongation percentage of 5 ~ 8%
Requirement.
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| CN114798771A (en) * | 2022-04-12 | 2022-07-29 | 神隆宝鼎新材料有限公司 | Method for improving surface cleaning and wetting performance of battery foil and battery foil produced by method |
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