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CN110284015A - 6 line aluminium alloys of one kind and preparation method thereof - Google Patents

6 line aluminium alloys of one kind and preparation method thereof Download PDF

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Publication number
CN110284015A
CN110284015A CN201910639926.8A CN201910639926A CN110284015A CN 110284015 A CN110284015 A CN 110284015A CN 201910639926 A CN201910639926 A CN 201910639926A CN 110284015 A CN110284015 A CN 110284015A
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China
Prior art keywords
content
line aluminium
aluminium alloy
aluminium alloys
present
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CN201910639926.8A
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Chinese (zh)
Inventor
胡俊强
王川
李成龙
王仁杰
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Sichuan Fu Rong Technology Co Ltd
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Sichuan Fu Rong Technology Co Ltd
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Priority to CN201910639926.8A priority Critical patent/CN110284015A/en
Publication of CN110284015A publication Critical patent/CN110284015A/en
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    • 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
    • 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
    • C22C21/00Alloys based on aluminium
    • C22C21/06Alloys based on aluminium with magnesium as the next major constituent
    • C22C21/08Alloys based on aluminium with magnesium as the next major constituent with silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C21/00Alloys based on aluminium
    • C22C21/12Alloys based on aluminium with copper as the next major constituent
    • C22C21/14Alloys based on aluminium with copper as the next major constituent with silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C21/00Alloys based on aluminium
    • C22C21/12Alloys based on aluminium with copper as the next major constituent
    • C22C21/16Alloys based on aluminium with copper as the next major constituent with magnesium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C21/00Alloys based on aluminium
    • C22C21/12Alloys based on aluminium with copper as the next major constituent
    • C22C21/18Alloys based on aluminium with copper as the next major constituent with zinc
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • C22F1/043Changing 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 silicon as the next major constituent
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • C22F1/047Changing 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 magnesium as the next major constituent
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • C22F1/057Changing 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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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Conductive Materials (AREA)

Abstract

The present invention relates to a kind of 6 line aluminium alloys and preparation method thereof, 6 line aluminium alloy is grouped as by the group of following weight percentage: the iron of 0.1-0.145%, the silicon of 0.71-0.85%, the copper of 0.71-0.82%, the titanium of 0.12-0.25%, the magnesium of 0.65-0.95%, the manganese of 0.15-0.2%, the zirconium of 0.01-0.05%, the strontium of 0.001-0.005%, the zinc not higher than 0.025%, the vanadium not higher than 0.05% and the chromium not higher than 0.05%, surplus are aluminium.For the yield strength of 6 line aluminium alloys of the invention up to 370MPa or more, it 7 is alloy strength that mechanical property, which can match in excellence or beauty,.

Description

6 line aluminium alloys of one kind and preparation method thereof
Technical field
The present invention relates to aluminium alloy technology, in particular to a kind of 6 line aluminium alloys and preparation method thereof.
Background technique
Aluminium alloy is added alloying elements by fine aluminium and is made, and the Al-Mn that manganese element is developed is added such as in fine aluminium Alloy adds copper in fine aluminium and develops made of Al-Cu alloy, in fine aluminium while adding copper and magnesium elements develop Al-Cu- Mg system duralumin, hard alumin ium alloy, adding zinc, magnesium, copper develops Al-Zn-Mg-Cu 7 series extra super duralumin alloy etc. simultaneously in fine aluminium.Aluminium closes The feature of gold is light, intensity height, good heat dissipation, good hand touch and easy anode oxidation coloration.Under same intensity requirement, aluminium alloy Components can be made thinner and light than plastics, while being also able to satisfy the Highgrade integration of 3C Product, lightening, micromation, resisting Fall the requirement for hitting electromagnetic shielding and heat dissipation.The information technoloy equipments such as mobile phone, tablet computer, laptop on the market use now Aluminium alloy is commonly 6 line aluminium alloys, with the development of science and technology 6 traditional wrought aluminium alloys have been difficult to meet in terms of intensity The requirement of high-end product is especially bent in resistance to deformation, in terms of the indexs such as anti-drop deformation.
In existing 6 line aluminium alloy, mechanical property, such as yield strength, it is still necessary to further increase.
Summary of the invention
The technical problems to be solved by the present invention are: providing 6 line aluminium alloys of one kind and preparation method thereof, its mechanics can be improved Performance is good.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows:
A kind of 6 line aluminium alloys, are grouped as: iron, the 0.71-0.85% of 0.1-0.145% by the group of following weight percentage Silicon, the copper of 0.71-0.82%, the titanium of 0.12-0.25%, the magnesium of 0.65-0.95%, the manganese of 0.15-0.2%, 0.01- 0.05% zirconium, the strontium of 0.001-0.005%, the zinc not higher than 0.025%, the vanadium not higher than 0.05% and it is not higher than 0.05% Chromium, surplus is aluminium.
A kind of preparation method of 6 line aluminium alloy is grouped as according to the group of 6 above-mentioned line aluminium alloys and successively carries out ingredient, melts Change, skim, alloying, casting, homogenizing annealing and sawing operation, obtaining 6 line aluminium alloy.
The beneficial effects of the present invention are:
6 line aluminium alloys of the invention promote Si, Cu ratio in the design of its component, while meeting the requirement of anode bloom, Suitable for can anode highlight various colors, emphasis solve after anode it is numb, get confused and brightness permeability problem;By increase Cu, Si increases excessive phase, Mg2Si phase can promote intensity;Meanwhile Mn, Sr, Ti, Zr component content are rationally controlled, to improve anti-crystalline substance Between corrosive nature so that product grains are uniform in size, it is penetrating to go out light conducive to product surface after anode;6 line aluminium alloys of the invention It is designed by said components, after tested, yield strength is 370MPa or more, and can match in excellence or beauty 7 is alloy strength, has good power Learn performance.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, it is explained below in conjunction with embodiment.
The most critical design of the present invention is: promoting Si, Cu ratio, and rationally close in the component design of 6 line aluminium alloys Reason control Mn, Sr, Ti, Zr component content, to improve its yield strength.
6 line aluminium alloys of the invention, are grouped as by the group of following weight percentage: iron, the 0.71- of 0.1-0.145% 0.85% silicon, the copper of 0.71-0.82%, the titanium of 0.12-0.25%, the magnesium of 0.65-0.95%, 0.15-0.2% manganese, It the zirconium of 0.01-0.05%, the strontium of 0.001-0.005%, the zinc not higher than 0.025%, the vanadium not higher than 0.05% and is not higher than 0.05% chromium, surplus are aluminium.
A kind of preparation method of 6 line aluminium alloy is grouped as according to the group of 6 above-mentioned line aluminium alloys and successively carries out ingredient, melts Change, skim, alloying, casting, homogenizing annealing and sawing operation, obtaining 6 line aluminium alloy.
As can be seen from the above description, the beneficial effects of the present invention are:
6 line aluminium alloys of the invention promote Si, Cu ratio in the design of its component, while meeting the requirement of anode bloom, Suitable for can anode highlight various colors, emphasis solve after anode it is numb, get confused and brightness permeability problem;By increase Cu, Si increases excessive phase, Mg2Si phase can promote intensity;Meanwhile Mn, Sr, Ti, Zr component content are rationally controlled, to improve anti-crystalline substance Between corrosive nature so that product grains are uniform in size, it is penetrating to go out light conducive to product surface after anode;6 line aluminium alloys of the invention It is designed by said components, after tested, yield strength is 370MPa or more, and can match in excellence or beauty 7 is alloy strength, has good power Learn performance.
The embodiment of the present invention one are as follows:
6 line aluminium alloys of the present embodiment, are prepared using following preparation methods:
The group of (1) 6 line aluminium alloy is grouped as: 6 line aluminium alloy is grouped as by the group of following weight percentage: 0.1% Iron, 0.71% silicon, 0.71% copper, 0.12% titanium, 0.65% magnesium, 0.15% manganese, 0.01% zirconium, 0.001% Strontium, 0.025% zinc, 0.05% vanadium and 0.05% chromium, surplus is aluminium;Wherein, the total impurities element of 6 line aluminium alloys Content is lower than 0.1%, and the content of the single impurity element of 6 line aluminium alloy is not higher than 0.05%.
(2) be grouped as according to the group of 6 line aluminium alloys successively carry out ingredient, melt, skim, alloying, casting, homogenization are moved back Fire and sawing operation obtain 6 line aluminium alloy;The temperature of the casting operation is 685-710 DEG C, is controlled during casting operation The content of hydrogen manufacturing is 0.12mg/100gAL;The holding temperature of the homogenization practice be 560 ± 10 DEG C, soaking time be 8 ± 0.25h。
The embodiment of the present invention two are as follows:
6 line aluminium alloys of the present embodiment, only " group of 6 line aluminium alloys is grouped as: 6 line aluminium alloy is by following in step (1) The group of weight percent is grouped as: 0.145% iron, 0.85% silicon, 0.82% copper, 0.25% titanium, 0.95% magnesium, 0.2% manganese, 0.05% zirconium, 0.005% strontium, 0.02% zinc, 0.03% vanadium and 0.03% chromium, surplus is aluminium " Different from embodiment one, other are the same as example 1.
The embodiment of the present invention three are as follows:
6 line aluminium alloys of the present embodiment, only " group of 6 line aluminium alloys is grouped as: 6 line aluminium alloy is by following in step (1) The group of weight percent is grouped as: 0.125% iron, 0.8% silicon, 0.78% copper, 0.19% titanium, 0.8% magnesium, 0.18% manganese, 0.03% zirconium, 0.003% strontium, 0.015% zinc, 0.02% vanadium and 0.02% chromium, surplus is Aluminium " is different from embodiment one, other are the same as example 1.
The embodiment of the present invention four are as follows:
6 line aluminium alloys of the present embodiment, only the group of (1) 6 line aluminium alloy of step be grouped as in " content of the silicon is 0.75%, the content of the copper is 0.78%." different from embodiment one, other are the same as example 1.
The embodiment of the present invention five are as follows:
6 line aluminium alloys of the present embodiment, only the group of (1) 6 line aluminium alloy of step be grouped as in " content of the silicon is 0.85%, the content of the copper is 0.82%." different from embodiment one, other are the same as example 1.
The embodiment of the present invention six are as follows:
6 line aluminium alloys of the present embodiment, only the group of (1) 6 line aluminium alloy of step be grouped as in " content of the silicon is 0.79%, the content of the copper is 0.81%." different from embodiment one, other are the same as example 1.
The embodiment of the present invention seven are as follows:
6 line aluminium alloys of the present embodiment, only the group of (1) 6 line aluminium alloy of step be grouped as in " content of the magnesium is 0.85%." different from example IV, other are identical as example IV.
The embodiment of the present invention eight are as follows:
6 line aluminium alloys of the present embodiment, only the group of (1) 6 line aluminium alloy of step be grouped as in " content of the magnesium is 0.95%." different from example IV, other are identical as example IV.
The embodiment of the present invention nine are as follows:
6 line aluminium alloys of the present embodiment, only the group of (1) 6 line aluminium alloy of step be grouped as in " content of the magnesium is 0.9%." different from example IV, other are identical as example IV.
The embodiment of the present invention ten are as follows:
6 line aluminium alloys of the present embodiment, only the group of (1) 6 line aluminium alloy of step be grouped as in " content of the titanium is 0.12%, the content of the manganese is 0.15%, and the content of the zirconium is 0.01%, and the content of the strontium is 0.001%." and it is real It is different to apply example four, other are identical as example IV.
The embodiment of the present invention 11 are as follows:
6 line aluminium alloys of the present embodiment, only the group of (1) 6 line aluminium alloy of step be grouped as in " content of the titanium is 0.15%, the content of the manganese is 0.18%, and the content of the zirconium is 0.02%, and the content of the strontium is 0.003%." and it is real It is different to apply example four, other are identical as example IV.
The embodiment of the present invention 12 are as follows:
6 line aluminium alloys of the present embodiment, only the group of (1) 6 line aluminium alloy of step be grouped as in " content of the titanium is 0.14%, the content of the manganese is 0.16%, and the content of the zirconium is 0.015%, and the content of the strontium is 0.002%." and it is real It is different to apply example four, other are identical as example IV.
The embodiment of the present invention 13 are as follows:
6 line aluminium alloys of the present embodiment, only the group of (1) 6 line aluminium alloy of step be grouped as in " content of the titanium is 0.18%, the content of the manganese is 0.18%, and the content of the zirconium is 0.03%, and the content of the strontium is 0.001% " and implementation Example four is different, other are identical as example IV.
The embodiment of the present invention 14 are as follows:
6 line aluminium alloys of the present embodiment, only the group of (1) 6 line aluminium alloy of step be grouped as in " content of the titanium is 0.25%, the content of the manganese is 0.2%, and the content of the zirconium is 0.05%, and the content of the strontium is 0.003% " and implementation Example four is different, other are identical as example IV.
The embodiment of the present invention 15 are as follows:
6 line aluminium alloys of the present embodiment, only the group of (1) 6 line aluminium alloy of step be grouped as in " content of the titanium is 0.2%, the content of the manganese is 0.19%, and the content of the zirconium is 0.04%, and the content of the strontium is 0.002% " and implementation Example four is different, other are identical as example IV.
Measure of merit
The yield strength for 6 line aluminium alloys that embodiment one to embodiment 15 obtains is tested.Specific test side Method may be selected in the prior art to the common testing methods of the yield strength of aluminium alloy.
The result shows that the yield strength for 6 line aluminium alloys that embodiment one to embodiment 15 obtains is successively are as follows: 372MPa, 375MPa、378MPa、382MPa、386MPa、389MPa、386MPa、384MPa、385MPa、388MPa、383MPa、382MPa、 383MPa、386MPa、384MPa。
In conclusion the yield strength of 6 line aluminium alloy provided by the invention is 370MPa or more, can match in excellence or beauty 7 is that alloy is strong Degree has good mechanical property.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair Equivalents made by bright specification are applied directly or indirectly in relevant technical field, similarly include of the invention In scope of patent protection.

Claims (7)

1. a kind of 6 line aluminium alloys, which is characterized in that be grouped as by the group of following weight percentage: the iron of 0.1-0.145%, The silicon of 0.71-0.85%, the copper of 0.71-0.82%, the titanium of 0.12-0.25%, the magnesium of 0.65-0.95%, 0.15-0.2% Manganese, the zirconium of 0.01-0.05%, the strontium of 0.001-0.005%, not higher than 0.025% zinc, not higher than 0.05% vanadium and not high In 0.05% chromium, surplus is aluminium.
2. 6 line aluminium alloy according to claim 1, which is characterized in that the content of the total impurities element of 6 line aluminium alloy Lower than 0.1%, the content of the single impurity element of 6 line aluminium alloy is not higher than 0.05%.
3. 6 line aluminium alloy according to claim 1, which is characterized in that the content of the silicon is 0.75-0.85%, described The content of copper is 0.78-0.82%.
4. 6 line aluminium alloy according to claim 3, which is characterized in that the content of the magnesium is 0.85-0.95%.
5. 6 line aluminium alloy according to claim 1, which is characterized in that the content of the titanium is 0.12-0.15%, described The content of manganese is 0.15-0.18%, and the content of the zirconium is 0.01-0.02%, and the content of the strontium is 0.001-0.003%.
6. 6 line aluminium alloy according to claim 1, which is characterized in that the content of the titanium is 0.18-0.25%, described The content of manganese is 0.18-0.2%, and the content of the zirconium is 0.03-0.05%, and the content of the strontium is 0.001-0.003%.
7. a kind of preparation method of 6 line aluminium alloys, which is characterized in that according to as claimed in any one of claims 1 to 66 be that aluminium closes The group of gold, which is grouped as, successively to be carried out ingredient, melts, skims, alloying, casting, homogenizing annealing and sawing operation, obtains described 6 Line aluminium alloy.
CN201910639926.8A 2019-07-16 2019-07-16 6 line aluminium alloys of one kind and preparation method thereof Pending CN110284015A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110951982A (en) * 2019-11-29 2020-04-03 辽宁忠旺集团有限公司 Production process for improving intergranular corrosion resistance of 6-series aluminum alloy
CN114293073A (en) * 2021-12-28 2022-04-08 广东和胜工业铝材股份有限公司 Aluminum-based material and preparation method and application thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4614552A (en) * 1983-10-06 1986-09-30 Alcan International Limited Aluminum alloy sheet product
CN103484736A (en) * 2013-10-10 2014-01-01 东北大学 Ultrahigh strength 6000 series aluminium alloy and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4614552A (en) * 1983-10-06 1986-09-30 Alcan International Limited Aluminum alloy sheet product
CN103484736A (en) * 2013-10-10 2014-01-01 东北大学 Ultrahigh strength 6000 series aluminium alloy and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110951982A (en) * 2019-11-29 2020-04-03 辽宁忠旺集团有限公司 Production process for improving intergranular corrosion resistance of 6-series aluminum alloy
CN114293073A (en) * 2021-12-28 2022-04-08 广东和胜工业铝材股份有限公司 Aluminum-based material and preparation method and application thereof

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Application publication date: 20190927