CN107723497A - Aluminum alloy strip for mobile phone battery shell and its manufacture method - Google Patents
Aluminum alloy strip for mobile phone battery shell and its manufacture method Download PDFInfo
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- CN107723497A CN107723497A CN201710925582.8A CN201710925582A CN107723497A CN 107723497 A CN107723497 A CN 107723497A CN 201710925582 A CN201710925582 A CN 201710925582A CN 107723497 A CN107723497 A CN 107723497A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/20—Measures not previously mentioned for influencing the grain structure or texture; Selection of compositions therefor
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
- C22C1/1047—Alloys containing non-metals starting from a melt by mixing and casting liquid metal matrix composites
- C22C1/1052—Alloys containing non-metals starting from a melt by mixing and casting liquid metal matrix composites by mixing and casting metal matrix composites with reaction
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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
- C22C21/003—Alloys based on aluminium containing at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0089—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with other, not previously mentioned inorganic compounds as the main non-metallic constituent, e.g. sulfides, glass
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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
Abstract
The invention discloses a kind of aluminum alloy strip for mobile phone battery shell and its manufacture method, the aluminum alloy strip for mobile phone battery shell, including following raw material：Aluminium, silicon, iron, copper, magnesium, manganese, zinc, titanium, tin, chromium, nickel, graphene, prodan, acetic acid ytterbium, dispersant POLYRON, 701 powder reinforcing agents.The aluminum alloy strip for mobile phone battery shell is by made from the steps such as dispensing, melting, casting, homogenizing annealing, hot rolling treatment, cold-rolling treatment.The tensile strength of the aluminum alloy strip for mobile phone battery shell of the present invention is big, and elongation after fracture, earing rate are low, can meet more complicated asymmetric boxlike large scale ironing punch forming requirement.
Description
【Technical field】
The invention belongs to aluminum alloy strip for mobile phone battery shell technical field, and in particular to a kind of hand phone battery case is closed with aluminium
Gold ribbon material and its manufacture method.
【Background technology】
With the rapid development of communication Media Industry, the volume of mobile phone is gradually reduced, and function is on the increase, and causes battery
Power consumption is increasing, and usage time is shorter and shorter, in order to improve the capacity of battery case, increase cruising time, using thinned shell
It is optimal path that body wall is thick, improves the intensity of case material and hardness.The existing 3003-H14 applied to hand phone battery case
Aluminium alloy strips, at room temperature its tensile strength be 150MPa, elongation after fracture 3%-8%, earing rate 4%-5%, material subtracts
It is difficult to the asymmetric boxlike large scale ironing punch forming requirement for meeting hand phone battery case after thin.
Chinese patent literature " manufacture method of aluminum alloy strip for mobile phone battery shell " (publication number：CN101736182 B),
The disclosure of the invention a kind of aluminum alloy strip for mobile phone battery shell and its manufacture method, aluminum alloy strip for mobile phone battery shell can make
Wall thickness reduction while battery of mobile phone housing intensity increase, so as to improve the capacity of battery case, but with the hair of mobile phone industry
, it is necessary to more high-tensile and lower elongation after fracture, the aluminium alloy strips of earing rate, it is more complicated non-right to meet for exhibition
Claim the requirement of boxlike large scale ironing punch forming.
【The content of the invention】
The technical problem to be solved in the present invention is to provide a kind of aluminum alloy strip for mobile phone battery shell and its manufacture method, with
It is relatively low to solve the tensile strength of existing aluminum alloy strip for mobile phone battery shell, elongation after fracture, earing rate are larger, can not meet more
The problem of adding the asymmetric boxlike large scale ironing punch forming requirement of complexity.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of aluminum alloy strip for mobile phone battery shell, including following raw material：Aluminium, silicon, iron, copper, magnesium, manganese, zinc, titanium, tin,
Chromium, nickel, graphene, prodan, acetic acid ytterbium, dispersant POLYRON, 701 powder reinforcing agents；
The graphene, prodan, acetic acid ytterbium, dispersant POLYRON, the weight ratio of 701 powder reinforcing agents are (0.2-
0.4):(0.5-0.9):(0.6-1.2):(2-4):(0.6-0.9)。
The present invention also provides a kind of preparation method of aluminum alloy strip for mobile phone battery shell, comprises the following steps：
S1, melting：Using coal gas reacting furnace by ready melt material, after basic fusing by aluminium, silicon, iron, copper, magnesium,
Manganese, zinc, titanium, tin, chromium, nickel, graphene, prodan, acetic acid ytterbium, dispersant POLYRON, that 701 powder reinforcing agents are transferred to resistance is anti-
Homogenization 15-30min in stove is penetrated, while adds Al-Ti-B silk fining agent crystal grain thinnings, and is 420- in ultrasonic power
580W, temperature are 770-790 DEG C, rotating speed is refined under the conditions of being 160-310r/min, degasification, the obtained molten aluminium of skimming close
Gold ribbon material；
S2, casting：Melted after 1-1.2h is stood under conditions of being 700-730 DEG C in temperature using the method for ceramic filter
Body purified treatment, Al-Ti-B silk fining agent crystal grain thinnings are added after purification again, and be 420-580W, temperature in ultrasonic power
Spend for 670-700 DEG C, rotating speed be 160-310r/min under the conditions of refine to stand after 15-30min ingot casting shape aluminium alloy strips be made；
S3, homogenizing annealing：By ingot casting shape aluminium alloy strips homogenizing annealing；
S4, hot rolling：Temperature control is subjected to hot rolling at a temperature of 600-650 DEG C and obtains aluminium alloy strips semi-finished product；
S5, cold rolling：It is strict to control cold-rolling thickness and cold rolled sheet shape that aluminium is made and closes by the reasonable utilization of automatic control system
Gold ribbon material.
Preferably, molten aluminium alloy strips described in step S1 are to be transferred in resistance reverberatory furnace to homogenize in melt material
5min adds Al-Ti-B silk fining agent crystal grain thinnings for the first time, homogenizes second of addition Al-Ti-B silk fining agent after 15min
Crystal grain thinning, and add the half that Al-Ti-B silks fining agent is first time addition for second.
Preferably, the method for 2-3 use ceramic filter of the repetition of ingot casting shape aluminium alloy strips described in step S2 is melted
It is made after body purified treatment.
Preferably, the thickness of aluminium alloy strips described in step S5 is 0.8-1.1mm.
The invention has the advantages that：
(1) ultrasonic wave is a kind of material propagated in media as well and carry energy, and ultrasonic wave can manufacture mechanical shock, after
And mechanical energy is changed into, so it is more beneficial for the fusing that material carries out shorter time so that oxygen less occurs for the metal in fusing
Change reaction.By the silicon after basic fusing, iron, copper, magnesium, manganese, zinc, titanium, tin, chromium, nickel, graphene, prodan, vinegar in step S1
Sour ytterbium, dispersant POLYRON, 701 powder reinforcing agents and aluminium are transferred to homogenization 15-30min in resistance reverberatory furnace, add simultaneously
Al-Ti-B silk fining agent crystal grain thinnings, and ultrasonic power be 420-580W, temperature is 670-700 DEG C, rotating speed 160-
Refined, degasification, skimmed under the conditions of 310r/min, when accelerate to collide between material molecule can be accelerated under Ultrasonic Conditions into
And melting is completed, reduce the oxidation reaction of material；Second, under conditions of ultrasonic wave material under mechanical collision by dispersant
POLYRON faster evenly chemically reacts, and plays the effect for accelerating reaction.
(2) from embodiment 1-4 data, embodiment 3 is optimum embodiment, the tensile strength of acquisition, elongation of having no progeny
Rate, the combination property of earing rate index are best.
(3) resisted from embodiment 1-4 and the data of comparative example 7, embodiment 1-4 aluminum alloy strip for mobile phone battery shell
Tensile strength is significantly higher than the tensile strength of the aluminum alloy strip for mobile phone battery shell of comparative example 7；Embodiment 1-4 hand phone battery case aluminium
Elongation after fracture, the earing rate of alloy strip steel rolled stock be substantially less than the aluminum alloy strip for mobile phone battery shell of comparative example 7 elongation after fracture,
Earing rate.
(4) from embodiment 3 and comparative example 1-6 data, graphene, prodan, acetic acid ytterbium, dispersant
POLYRON, 701 powder reinforcing agents add synergy is served in aluminum alloy strip for mobile phone battery shell is prepared together, significantly
The tensile strength of aluminum alloy strip for mobile phone battery shell is improved, reduces elongation after fracture, earing rate；This is probably graphene
With higher intensity, the addition energy reinforcing material intensity of graphene；Prodan plays a part of activating component, can promote group
/ bonding；Acetic acid ytterbium, which plays to urge, oozes component effect, can promote the osmosis between component；Dispersant POLYRON has
Play the role of to promote graphene, prodan, acetic acid ytterbium, 701 powder reinforcing agents dispersed, make hand phone battery case aluminum alloy strip
The alloy grain even tissue of material, significantly improves the tensile strength of aluminum alloy strip for mobile phone battery shell, reduce elongation after fracture,
Earing rate；701 powder hardening agents play a part of strengthening ingredient, and the tension for significantly improving aluminum alloy strip for mobile phone battery shell is strong
Degree.
(5) aluminum alloy strip for mobile phone battery shell of the invention is relative to prior art, and tensile strength is bigger, elongation of having no progeny
Rate, earing rate are lower, can effectively meet more complicated asymmetric boxlike large scale ironing punch forming requirement.
【Embodiment】
For ease of more fully understanding the present invention, it is illustrated by following instance, these examples belong to the protection of the present invention
Scope, but do not limit the scope of the invention.
In embodiment, the aluminum alloy strip for mobile phone battery shell, in units of parts by weight, including following raw material：Silicon
1.2-4 parts, iron 1.5-4 parts, copper 4-8 parts, magnesium 0.8-1.5 parts, manganese 0.3-0.9 parts, zinc 3-8 parts, titanium 8-10 parts, tin 1.8-2.6
It is part, chromium 0.8-1.5 parts, nickel 3-5 parts, graphene 0.2-0.4 parts, prodan 0.5-0.9 parts, acetic acid ytterbium 0.6-1.2 parts, scattered
Agent POLYRON 2-4 parts, 701 powder reinforcing agent 0.6-0.9 parts and aluminium 80-100 parts；
The preparation method of described aluminum alloy strip for mobile phone battery shell, comprises the following steps：
S1, melting：Using coal gas reacting furnace by ready melt material, after basic fusing in units of parts by weight, silicon
1.2-4 parts, iron 1.5-4 parts, copper 4-8 parts, magnesium 0.8-1.5 parts, manganese 0.3-0.9 parts, zinc 3-8 parts, titanium 8-10 parts, tin 1.8-2.6
It is part, chromium 0.8-1.5 parts, nickel 3-5 parts, graphene 0.2-0.4 parts, prodan 0.5-0.9 parts, acetic acid ytterbium 0.6-1.2 parts, scattered
Agent POLYRON 2-4 parts, 701 powder reinforcing agent 0.6-0.9 parts and aluminium 80-100 parts are transferred to homogenization 15- in resistance reverberatory furnace
30min, while be transferred in melt material in resistance reverberatory furnace and homogenize 5min addition Al-Ti-B silks fining agent refinement crystalline substances for the first time
Grain, second of addition Al-Ti-B silk fining agent crystal grain thinning after 15min is homogenized, and second adds Al-Ti-B silk fining agents
For the half of first time addition, and ultrasonic power be 420-580W, temperature is 770-790 DEG C, rotating speed 160-310r/
Refined under the conditions of min, degasification, obtained molten aluminium alloy strips of skimming；
S2, casting：2-3 times is repeated using ceramic filter after 1-1.2h is stood under conditions of being 700-730 DEG C in temperature
Method carries out cleaning molten processing, adds Al-Ti-B silk fining agent crystal grain thinnings after purification again, and be in ultrasonic power
Obtained ingot casting shape is stood after 15-30min is refined under the conditions of 420-580W, temperature are 670-700 DEG C, rotating speed is 160-310r/min
Aluminium alloy strips；
S3, homogenizing annealing：By ingot casting shape aluminium alloy strips homogenizing annealing；
S4, hot rolling：By temperature control at a temperature of 600-650 DEG C, first to parameters such as milk particle size, metal ion contents
Progress hot rolling obtains aluminium alloy strips semi-finished product after carrying out Reasonable adjustment；
S5, cold rolling：It is strict to control cold-rolling thickness and cold rolled sheet shape that thickness is made by the reasonable utilization of automatic control system
For 0.8-1.1mm aluminium alloy strips.
Below by more specific embodiment, the present invention will be described.
Embodiment 1
A kind of aluminum alloy strip for mobile phone battery shell, in units of parts by weight, including following raw material：1.2 parts of silicon, iron 1.5
Part, 4 parts of copper, 0.8 part of magnesium, 0.3 part of manganese, 3 parts of zinc, 8 parts of titanium, 1.8 parts of tin, 0.8 part of chromium, 3 parts of nickel, 0.2 part of graphene, fluosilicic acid
80 parts of 0.6 part of sodium, 0.6 part of acetic acid ytterbium, 2 parts of dispersant POLYRON, 0.6 part of 701 powder reinforcing agent and aluminium；
The preparation method of described aluminum alloy strip for mobile phone battery shell, comprises the following steps：
S1, melting：Using coal gas reacting furnace by ready melt material, after basic fusing in units of parts by weight, silicon
1.2 parts, 1.5 parts of iron, 4 parts of copper, 0.85 part of magnesium, 0.3 part of manganese, 3 parts of zinc, 8 parts of titanium, 1.8 parts of tin, 0.8 part of chromium, 3 parts of nickel, graphene
80 parts of 0.2 part, 0.6 part of prodan, 0.6 part of acetic acid ytterbium, 2 parts of dispersant POLYRON, 0.6 part of 701 powder reinforcing agent and aluminium
Homogenization 15min in resistance reverberatory furnace is transferred to, while is transferred to homogenization 5min in resistance reverberatory furnace in melt material and adds for the first time
Enter Al-Ti-B silk fining agent crystal grain thinnings, homogenize after 15min and to add Al-Ti-B silk fining agent crystal grain thinnings for second, and the
Secondary addition Al-Ti-B silks fining agent is the half of first time addition, and ultrasonic power is 420W, temperature is 770 DEG C,
Rotating speed be 160r/min under the conditions of refined, degasification, obtained molten aluminium alloy strips of skimming；
S2, casting：It is repeated 2 times after standing 1h under conditions of being 700 DEG C in temperature and is melted using the method for ceramic filter
Body purified treatment, adds Al-Ti-B silk fining agent crystal grain thinnings again after purification, and ultrasonic power be 420W, temperature be
670 DEG C, rotating speed refines to stand after 15min under the conditions of being 160r/min and ingot casting shape aluminium alloy strips is made；
S3, homogenizing annealing：By ingot casting shape aluminium alloy strips homogenizing annealing；
S4, hot rolling：By temperature control at a temperature of 600 DEG C, first the parameters such as milk particle size, metal ion content are carried out
Hot rolling is carried out after Reasonable adjustment and obtains aluminium alloy strips semi-finished product；
S5, cold rolling：It is strict to control cold-rolling thickness and cold rolled sheet shape that thickness is made by the reasonable utilization of automatic control system
For 0.8mm aluminium alloy strips.
Embodiment 2
A kind of aluminum alloy strip for mobile phone battery shell, in units of parts by weight, including following raw material：2 parts of silicon, 2 parts of iron, copper
5 parts, 0.9 part of magnesium, 0.5 part of manganese, 4 parts of zinc, 9 parts of titanium, 1.9 parts of tin, 0.9 part of chromium, 4 parts of nickel, 0.3 part of graphene, prodan 0.7
Part, 0.8 part of acetic acid ytterbium, 3 parts of dispersant POLYRON, 0.7 part of 701 powder reinforcing agent and 90 parts of aluminium；
The preparation method of described aluminum alloy strip for mobile phone battery shell, comprises the following steps：
S1, melting：Using coal gas reacting furnace by ready melt material, after basic fusing in units of parts by weight, silicon 2
Part, 2 parts of iron, 5 parts of copper, 0.9 part of magnesium, 0.5 part of manganese, 4 parts of zinc, 9 parts of titanium, 1.9 parts of tin, 0.9 part of chromium, 4 parts of nickel, 0.3 part of graphene,
90 parts of 0.7 part of prodan, 0.8 part of acetic acid ytterbium, 3 parts of dispersant POLYRON, 0.7 part of 701 powder reinforcing agent and aluminium are transferred to electricity
Homogenization 19min in reverberatory furnace is hindered, while is transferred to homogenization 5min in resistance reverberatory furnace in melt material and adds Al- for the first time
Ti-B silk fining agent crystal grain thinnings, homogenize second of addition Al-Ti-B silk fining agent crystal grain thinning after 15min, and second
Add the half that Al-Ti-B silks fining agents is first time addition, and ultrasonic power be 480W, temperature is 775 DEG C, rotating speed
To be refined under the conditions of 200r/min, degasification, obtained molten aluminium alloy strips of skimming；
S2, casting：The method progress using ceramic filter is repeated 3 times under conditions of being 710 DEG C in temperature after standing 1.1h
Cleaning molten processing, Al-Ti-B silk fining agent crystal grain thinnings are added after purification again, and be 480W, temperature in ultrasonic power
Obtained ingot casting shape aluminium alloy strips are stood after 19min is refined under the conditions of being 190r/min for 680 DEG C, rotating speed；
S3, homogenizing annealing：By ingot casting shape aluminium alloy strips homogenizing annealing；
S4, hot rolling：By temperature control at a temperature of 620 DEG C, first the parameters such as milk particle size, metal ion content are carried out
Hot rolling is carried out after Reasonable adjustment and obtains aluminium alloy strips semi-finished product；
S5, cold rolling：It is strict to control cold-rolling thickness and cold rolled sheet shape that thickness is made by the reasonable utilization of automatic control system
For 0.9mm aluminium alloy strips.
Embodiment 3
A kind of aluminum alloy strip for mobile phone battery shell, in units of parts by weight, including following raw material：2.5 parts of silicon, 3 parts of iron,
6 parts of copper, 1.2 parts of magnesium, 0.8 part of manganese, 7 parts of zinc, 9 parts of titanium, 2.1 parts of tin, 1.2 parts of chromium, 5 parts of nickel, 0.3 part of graphene, prodan
85 parts of 0.8 part, 0.9 part of acetic acid ytterbium, dispersant POLYRON4 parts, 0.8 part of 701 powder reinforcing agent and aluminium；
The preparation method of described aluminum alloy strip for mobile phone battery shell, comprises the following steps：
S1, melting：Using coal gas reacting furnace by ready melt material, after basic fusing in units of parts by weight, silicon
2.5 parts, 3 parts of iron, 6 parts of copper, 1.2 parts of magnesium, 0.8 part of manganese, 7 parts of zinc, 9 parts of titanium, 2.1 parts of tin, 1.2 parts of chromium, 5 parts of nickel, graphene 0.3
85 parts of part, 0.8 part of prodan, 0.9 part of acetic acid ytterbium, dispersant POLYRON4 parts, 0.8 part of 701 powder reinforcing agent and aluminium are transferred to
Homogenization 25min in resistance reverberatory furnace, while be transferred in melt material in resistance reverberatory furnace and homogenize 5min addition Al- for the first time
Ti-B silk fining agent crystal grain thinnings, homogenize second of addition Al-Ti-B silk fining agent crystal grain thinning after 15min, and second
Add the half that Al-Ti-B silks fining agents is first time addition, and ultrasonic power be 500W, temperature is 785 DEG C, rotating speed
To be refined under the conditions of 210r/min, degasification, obtained molten aluminium alloy strips of skimming；
S2, casting：The method progress using ceramic filter is repeated 2 times under conditions of being 720 DEG C in temperature after standing 1.1h
Cleaning molten processing, Al-Ti-B silk fining agent crystal grain thinnings are added after purification again, and be 500W, temperature in ultrasonic power
Obtained ingot casting shape aluminium alloy strips are stood after 25min is refined under the conditions of being 210r/min for 695 DEG C, rotating speed；
S3, homogenizing annealing：By ingot casting shape aluminium alloy strips homogenizing annealing；
S4, hot rolling：By temperature control at a temperature of 640 DEG C, first the parameters such as milk particle size, metal ion content are carried out
Hot rolling is carried out after Reasonable adjustment and obtains aluminium alloy strips semi-finished product；
S5, cold rolling：It is strict to control cold-rolling thickness and cold rolled sheet shape that thickness is made by the reasonable utilization of automatic control system
For 1.0mm aluminium alloy strips.
Embodiment 4
A kind of aluminum alloy strip for mobile phone battery shell, in units of parts by weight, including following raw material：4 parts of silicon, 4 parts of iron, copper
8 parts, 1.5 parts of magnesium, 0.9 part of manganese, 8 parts of zinc, 10 parts of titanium, 2.6 parts of tin, 1.5 parts of chromium, 5 parts of nickel, 0.4 part of graphene, prodan
100 parts of 0.9 part, 1.2 parts of acetic acid ytterbium, 4 parts of dispersant POLYRON, 0.9 part of 701 powder reinforcing agent and aluminium；
The preparation method of described aluminum alloy strip for mobile phone battery shell, comprises the following steps：
S1, melting：Using coal gas reacting furnace by ready melt material, after basic fusing in units of parts by weight, silicon 4
Part, 4 parts of iron, 8 parts of copper, 1.5 parts of magnesium, 0.9 part of manganese, 8 parts of zinc, 10 parts of titanium, 2.6 parts of tin, 1.5 parts of chromium, 5 parts of nickel, graphene 0.4
Part, 0.9 part of prodan, 1.2 parts of acetic acid ytterbium, 4 parts of dispersant POLYRON, 0.9 part of 701 powder reinforcing agent and 100 parts of aluminium turn
Enter homogenization 30min in resistance reverberatory furnace, while be transferred in melt material in resistance reverberatory furnace and homogenize 5min additions for the first time
Al-Ti-B silk fining agent crystal grain thinnings, homogenize second of addition Al-Ti-B silk fining agent crystal grain thinning after 15min, and second
Secondary addition Al-Ti-B silks fining agent be first time addition half, and ultrasonic power be 580W, temperature be 790 DEG C, turns
Speed be 310r/min under the conditions of refined, degasification, obtained molten aluminium alloy strips of skimming；
S2, casting：The method progress using ceramic filter is repeated 3 times under conditions of being 730 DEG C in temperature after standing 1.2h
Cleaning molten processing, Al-Ti-B silk fining agent crystal grain thinnings are added after purification again, and be 580W, temperature in ultrasonic power
Obtained ingot casting shape aluminium alloy strips are stood after 30min is refined under the conditions of being 310r/min for 700 DEG C, rotating speed；
S3, homogenizing annealing：By ingot casting shape aluminium alloy strips homogenizing annealing；
S4, hot rolling：By temperature control at a temperature of 650 DEG C, first the parameters such as milk particle size, metal ion content are carried out
Hot rolling is carried out after Reasonable adjustment and obtains aluminium alloy strips semi-finished product；
S5, cold rolling：It is strict to control cold-rolling thickness and cold rolled sheet shape that thickness is made by the reasonable utilization of automatic control system
For 1.1mm aluminium alloy strips.
Comparative example 1
It is essentially identical with the preparation technology of embodiment 3, have only the difference is that preparing aluminum alloy strip for mobile phone battery shell work
Lack graphene in the raw material of skill.
Comparative example 2
It is essentially identical with the preparation technology of embodiment 3, have only the difference is that preparing aluminum alloy strip for mobile phone battery shell work
Lack prodan in the raw material of skill.
Comparative example 3
It is essentially identical with the preparation technology of embodiment 3, have only the difference is that preparing aluminum alloy strip for mobile phone battery shell work
Lack acetic acid ytterbium in the raw material of skill.
Comparative example 4
It is essentially identical with the preparation technology of embodiment 3, have only the difference is that preparing aluminum alloy strip for mobile phone battery shell work
Lack graphene, prodan, acetic acid ytterbium, dispersant POLYRON, 701 powder reinforcing agents in the raw material of skill.
Comparative example 5
It is essentially identical with the preparation technology of embodiment 3, have only the difference is that preparing aluminum alloy strip for mobile phone battery shell work
Lack dispersant POLYRON in the raw material of skill.
Comparative example 6
It is essentially identical with the preparation technology of embodiment 3, have only the difference is that preparing aluminum alloy strip for mobile phone battery shell work
Lack 701 powder reinforcing agents in the raw material of skill.
Comparative example 7
Using Chinese patent literature " manufacture method of aluminum alloy strip for mobile phone battery shell " (publication number：
CN101736182B) technique of embodiment 1 prepares aluminium alloy strips.
Measure the tensile strength of embodiment 1-4 and comparative example 1-7 aluminum alloy strip for mobile phone battery shell, elongation of having no progeny
Rate, earing rate, as a result see the table below：
(1) from embodiment 1-4 data, embodiment 3 is optimum embodiment, the tensile strength of acquisition, elongation of having no progeny
Rate, the combination property of earing rate index are best.
(2) resisted from embodiment 1-4 and the data of comparative example 7, embodiment 1-4 aluminum alloy strip for mobile phone battery shell
Tensile strength is significantly higher than the tensile strength of the aluminum alloy strip for mobile phone battery shell of comparative example 7；Embodiment 1-4 hand phone battery case aluminium
Elongation after fracture, the earing rate of alloy strip steel rolled stock be substantially less than the aluminum alloy strip for mobile phone battery shell of comparative example 7 elongation after fracture,
Earing rate.
(3) from embodiment 3 and comparative example 1-6 data, graphene, prodan, acetic acid ytterbium, dispersant
POLYRON, 701 powder reinforcing agents add synergy is served in aluminum alloy strip for mobile phone battery shell is prepared together, significantly
The tensile strength of aluminum alloy strip for mobile phone battery shell is improved, reduces elongation after fracture, earing rate；This is probably graphene
With higher intensity etc., the effect of the addition energy reinforcing material of graphene；Prodan plays a part of activating component, can promote
The bonding entered between component；Acetic acid ytterbium, which plays to urge, oozes component effect, can promote the osmosis between component；Dispersant
POLYRON has the function that to promote graphene, prodan, acetic acid ytterbium, 701 powder reinforcing agents dispersed, makes hand phone battery case
With the alloy grain even tissue of aluminium alloy strips, the tensile strength of aluminum alloy strip for mobile phone battery shell is significantly improved, is reduced
Elongation after fracture, earing rate；701 powder hardening agents play a part of strengthening ingredient, significantly improve hand phone battery case aluminum alloy strip
The tensile strength of material.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (5)
1. a kind of aluminum alloy strip for mobile phone battery shell, it is characterised in that including following raw material：Aluminium, silicon, iron, copper, magnesium, manganese,
Zinc, titanium, tin, chromium, nickel, graphene, prodan, acetic acid ytterbium, dispersant POLYRON, 701 powder reinforcing agents；
The graphene, prodan, acetic acid ytterbium, dispersant POLYRON, the weight ratio of 701 powder reinforcing agents are (0.2-0.4):
(0.5-0.9):(0.6-1.2):(2-4):(0.6-0.9)。
A kind of 2. preparation method of aluminum alloy strip for mobile phone battery shell according to claim 1, it is characterised in that including
Following steps：
S1, melting：Using coal gas reacting furnace by ready melt material, after basic fusing by aluminium, silicon, iron, copper, magnesium, manganese,
Zinc, titanium, tin, chromium, nickel, graphene, prodan, acetic acid ytterbium, dispersant POLYRON, 701 powder reinforcing agents are transferred to resistance reverberatory furnace
Interior homogenization 15-30min, while Al-Ti-B silk fining agent crystal grain thinnings are added, and be 420-580W, temperature in ultrasonic power
Spend for 770-790 DEG C, rotating speed be 160-310r/min under the conditions of refined, degasification, obtained molten aluminium alloy strips of skimming；
S2, casting：Use the method progress melt of ceramic filter net after standing 1-1.2h under conditions of being 700-730 DEG C in temperature
Change is handled, and adds Al-Ti-B silk fining agent crystal grain thinnings after purification again, and ultrasonic power be 420-580W, temperature be
670-700 DEG C, rotating speed refines to stand after 15-30min under the conditions of being 160-310r/min and ingot casting shape aluminium alloy strips is made；
S3, homogenizing annealing：By ingot casting shape aluminium alloy strips homogenizing annealing；
S4, hot rolling：Temperature control is subjected to hot rolling at a temperature of 600-650 DEG C and obtains aluminium alloy strips semi-finished product；
S5, cold rolling：It is strict to control cold-rolling thickness and cold rolled sheet shape that aluminum alloy strip is made by the reasonable utilization of automatic control system
Material.
3. the preparation method of aluminum alloy strip for mobile phone battery shell according to claim 2, it is characterised in that in step S1
The molten aluminium alloy strips are to be transferred in resistance reverberatory furnace to homogenize 5min addition Al-Ti-B silks for the first time in melt material
Fining agent crystal grain thinning, second of addition Al-Ti-B silk fining agent crystal grain thinning after 15min is homogenized, and second adds Al-
Ti-B silks fining agent is the half of first time addition.
4. the preparation method of aluminum alloy strip for mobile phone battery shell according to claim 2, it is characterised in that in step S2
The ingot casting shape aluminium alloy strips repeat to be made after the 2-3 method using ceramic filter carries out cleaning molten processing.
5. the preparation method of aluminum alloy strip for mobile phone battery shell according to claim 2, it is characterised in that in step S5
The thickness of the aluminium alloy strips is 0.8-1.1mm.
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