CN104046861B - A kind of high-strength corrosion-resisting aluminium alloy extruded product and manufacture method thereof - Google Patents
A kind of high-strength corrosion-resisting aluminium alloy extruded product and manufacture method thereof Download PDFInfo
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- CN104046861B CN104046861B CN201410336159.0A CN201410336159A CN104046861B CN 104046861 B CN104046861 B CN 104046861B CN 201410336159 A CN201410336159 A CN 201410336159A CN 104046861 B CN104046861 B CN 104046861B
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 15
- 235000012438 extruded product Nutrition 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 238000000034 method Methods 0.000 title claims description 11
- 239000000463 material Substances 0.000 claims abstract description 15
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 8
- 229910052706 scandium Inorganic materials 0.000 claims abstract description 8
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 5
- 239000004411 aluminium Substances 0.000 claims description 29
- 229910052782 aluminium Inorganic materials 0.000 claims description 29
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 26
- 239000000956 alloy Substances 0.000 claims description 20
- 229910045601 alloy Inorganic materials 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 18
- 238000009413 insulation Methods 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000007670 refining Methods 0.000 claims description 12
- 239000002893 slag Substances 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 8
- 229910018134 Al-Mg Inorganic materials 0.000 claims description 6
- 229910018125 Al-Si Inorganic materials 0.000 claims description 6
- 229910018467 Al—Mg Inorganic materials 0.000 claims description 6
- 229910018520 Al—Si Inorganic materials 0.000 claims description 6
- -1 aluminium titanium boron Chemical compound 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 238000010791 quenching Methods 0.000 claims description 5
- 229910018580 Al—Zr Inorganic materials 0.000 claims description 3
- 238000003723 Smelting Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 2
- 230000003628 erosive effect Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000005498 polishing Methods 0.000 abstract description 2
- 238000005482 strain hardening Methods 0.000 abstract description 2
- 230000003245 working effect Effects 0.000 abstract description 2
- 239000011777 magnesium Substances 0.000 description 5
- 229910001344 5052 aluminium alloy Inorganic materials 0.000 description 3
- 150000001398 aluminium Chemical class 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- GANNOFFDYMSBSZ-UHFFFAOYSA-N [AlH3].[Mg] Chemical class [AlH3].[Mg] GANNOFFDYMSBSZ-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
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- Extrusion Of Metal (AREA)
- Powder Metallurgy (AREA)
- Conductive Materials (AREA)
Abstract
The present invention provides a kind of high-strength corrosion-resisting aluminium alloy extruded product, and this material is made up of each component of following weight percentage: Si:0.12 ~ 0.16%; Fe:0.18 ~ 0.23%; Mg:2.5 ~ 2.55%; Ti:0.01 ~ 0.03%; RE expects: 0.12 ~ 0.16%; Cu��0.08%; Mn��0.08%; Cr��0.08%; Zn��0.08%; Surplus is Al. It is an advantage of the invention that: La, Sc, Zr element adding trace in the aluminium alloy extruded product of the present invention, there is excellent weldability, formability, cold-workability, erosion resistance, oxygen-proof property, fatigue resistance and toughness, work hardening rate height, can polishing, greatly extend the work-ing life of material, save maintenance cost, also expand the scope of application of the present invention to a certain extent.
Description
Technical field
The present invention relates to the manufacture method of aluminum alloy materials, it is specifically related to a kind of high-strength corrosion-resisting aluminium alloy extruded product and manufacture method thereof.
Background technology
Alleviate the main flow that transport facility self quality is the design of current transport facility, particularly for aeronautical manufacture industry. 5052 aluminium alloys are aluminum-magnesium series row alloys, there is medium tenacity and good forming technology, it is the section bar thin-walled part form of sheet metal component and complicated shape more on processing structure, it is widely used in the industry fields such as aviation, automobile, boats and ships, electric car, tower building and furniture at present. But in the demand for development of modern ships, sea water resistance and the intensity aspect of 5052 aluminium alloys more and more show the requirement that can not meet development.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of high-strength corrosion-resisting aluminium alloy extruded product and manufacture method thereof, thus effectively solves in modern ships production the requirement of material structure intensity and erosion resistance.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of high-strength corrosion-resisting aluminium alloy extruded product, this material is made up of each component of following weight percentage: Si:0.12 ~ 0.16%; Fe:0.18 ~ 0.23%; Mg:2.5 ~ 2.55%; Ti:0.01 ~ 0.03%; RE expects: 0.12 ~ 0.16%; Cu��0.08%; Mn��0.08%; Cr��0.08%; Zn��0.08%; Surplus is Al.
Wherein, above-mentioned RE material is made up of La, Sc, Zr, and the weight percent of three controls at 2:1:1.
The manufacture method of above-mentioned high-strength corrosion-resisting aluminium alloy extruded product, comprises the following steps:
(1) prepare: get aluminium ingot, Al-Si master alloy, Al-Mg master alloy, iron powder, aluminium titanium boron wire and RE material by formula, and aluminium ingot is dried;
(2) melting: the aluminium ingot of oven dry dropping into heat fused in smelting furnace and becomes aluminium liquid, heated and stirred, temperature controls at 710 ~ 740 DEG C, insulation 40 ~ 50min, and sprinkles 1/1500 ~ 1/2500 in the slagging agent of aluminium liquid total amount, takes off slag;
(3) prepare burden: Al-Si master alloy, Al-Mg master alloy and iron powder being added successively in the aluminium liquid after taking off slag and melt, temperature controls at 730 ~ 750 DEG C, insulation 25 ~ 35min;
(4) refining: adding refining agent refining in the mixed molten liquid that step (3) obtains, temperature controls at 730 ~ 750 DEG C, insulation 0.5 ~ 3h;
(5) rotten: adding RE material in the mixed molten liquid after refining, it adds the mode adopting Al-La, Al-Sc and Al-Zr master alloy, and stirs, and temperature controls at 730 ~ 750 DEG C, insulation 25 ~ 35min, takes off slag;
(6) leave standstill: the mixed molten liquid after rotten is left standstill 20 ~ 30min;
(7) cast: put into tank cooling, add aluminium titanium boron wire simultaneously and be cast as aluminium bar;
(8) extrude: sending into two dynamic horizontal forward extrusion machine after aluminium bar is preheated to 480 ~ 500 DEG C and extrude, the preheating temperature of container controls at 400-430 DEG C, and extruder outlet is in line quench treatment;
(9) aftertreatment: sawing, packaging, warehouse-in.
It is an advantage of the invention that: La, Sc, Zr element adding trace in the aluminium alloy extruded product of the present invention, there is excellent weldability, formability, cold-workability, erosion resistance, oxygen-proof property, fatigue resistance and toughness, work hardening rate height, can polishing, greatly extend the work-ing life of material, save maintenance cost, also expand the scope of application of the present invention to a certain extent.
Embodiment:
Below in conjunction with each embodiment, the invention will be further described, but is not limitation of the present invention:
A kind of high-strength corrosion-resisting aluminium alloy extruded product, this material is made up of each component of following weight percentage: Si:0.12 ~ 0.16%; Fe:0.18 ~ 0.23%; Mg:2.5 ~ 2.55%; Ti:0.01 ~ 0.03%; RE expects: 0.12 ~ 0.16%; Cu��0.08%; Mn��0.08%; Cr��0.08%; Zn��0.08%; Surplus is Al.
The manufacture method of above-mentioned high-strength corrosion-resisting aluminium alloy extruded product, comprises the following steps:
(1) prepare: get aluminium ingot, Al-Si master alloy, Al-Mg master alloy, iron powder, aluminium titanium boron wire and RE material by formula, and aluminium ingot is dried;
(2) melting: the aluminium ingot of oven dry dropping into heat fused in smelting furnace and becomes aluminium liquid, heated and stirred, temperature controls at 710 ~ 740 DEG C, insulation 40 ~ 50min, and sprinkles 1/1500 ~ 1/2500 in the slagging agent of aluminium liquid total amount, takes off slag;
(3) prepare burden: Al-Si master alloy, Al-Mg master alloy and iron powder being added successively in the aluminium liquid after taking off slag and melt, temperature controls at 730 ~ 750 DEG C, insulation 25 ~ 35min;
(4) refining: adding refining agent refining in the mixed molten liquid that step (3) obtains, temperature controls at 730 ~ 750 DEG C, insulation 0.5 ~ 3h;
(5) rotten: adding RE material in the mixed molten liquid after refining, it adds the mode adopting Al-La, Al-Sc and Al-Zr master alloy, and stirs, and temperature controls at 730 ~ 750 DEG C, insulation 25 ~ 35min, takes off slag;
(6) leave standstill: the mixed molten liquid after rotten is left standstill 20 ~ 30min;
(7) cast: put into tank cooling, add aluminium titanium boron wire simultaneously and be cast as aluminium bar.
Embodiment 1
Adopt above-mentioned manufacture method to cast out each component weight percentage to be: Si:0.12%;Fe:0.18%; Mg:2.5%; Ti:0.01%; RE expects: 0.12%; Impurity Cu, Mn, Cr and Zn are all below 0.08%; Surplus is the aluminium bar of Al; Then sending into two dynamic horizontal forward extrusion machine after this aluminium bar being preheated to 480 DEG C to extrude, the preheating temperature of container controls at 400 DEG C, and extrusion speed controls at 7m/min, and extruder outlet is in line quench treatment; Get unit sample and carry out sample, as shown in the table.
Embodiment 2
Adopt above-mentioned manufacture method to cast out each component weight percentage to be: Si:0.14%; Fe:0.21%; Mg:2.55%; Ti:0.02%; RE expects: 0.14%; Impurity Cu, Mn, Cr and Zn are all below 0.08%; Surplus is the aluminium bar of Al; Then sending into two dynamic horizontal forward extrusion machine after this aluminium bar being preheated to 490 DEG C to extrude, the preheating temperature of container controls at 420 DEG C, and extrusion speed controls at 7m/min, and extruder outlet is in line quench treatment; Get unit sample and carry out sample, as shown in the table.
Embodiment 3
Adopt above-mentioned manufacture method to cast out each component weight percentage to be: Si:0.16%; Fe:0.23%; Mg:2.55%; Ti:0.03%; RE expects: 0.16%; Impurity Cu, Mn, Cr and Zn are all below 0.08%; Surplus is the aluminium bar of Al; Then sending into two dynamic horizontal forward extrusion machine after this aluminium bar being preheated to 500 DEG C to extrude, the preheating temperature of container controls at 430 DEG C, and extrusion speed controls at 7m/min, and extruder outlet is in line quench treatment; Get unit sample and carry out sample, as shown in the table.
As can be seen from the above-described embodiment, add the aluminium alloy extruded product after La, Sc, Zr element, its ultimate compression strength, Non-proportional extension degree, elongation after fracture and erosion resistance all than in GBT3880.2-2006 regulation 5052 aluminium alloys when supply status H112 170,70,15,24h/9 high.
Claims (2)
1. a high-strength corrosion-resisting aluminium alloy extruded product, is characterized in that, this material is made up of each component of following weight percentage: Si:0.12 ~ 0.16%; Fe:0.18 ~ 0.23%; Mg:2.5 ~ 2.55%; Ti:0.01 ~ 0.03%; RE expects: 0.12 ~ 0.16%; Cu��0.08%; Mn��0.08%; Cr��0.08%; Zn��0.08%; Surplus is Al; Described RE material is made up of La, Sc, Zr, and the weight percent of three controls at 2:1:1.
2. a manufacture method for high-strength corrosion-resisting aluminium alloy extruded product as claimed in claim 1, is characterized in that, comprise the following steps:
(1) prepare: get aluminium ingot, Al-Si master alloy, Al-Mg master alloy, iron powder, aluminium titanium boron wire and RE material by formula, and aluminium ingot is dried;
(2) melting: the aluminium ingot of oven dry dropping into heat fused in smelting furnace and becomes aluminium liquid, heated and stirred, temperature controls at 710 ~ 740 DEG C, insulation 40 ~ 50min, and sprinkles 1/1500 ~ 1/2500 in the slagging agent of aluminium liquid total amount, takes off slag;
(3) prepare burden: Al-Si master alloy, Al-Mg master alloy and iron powder being added successively in the aluminium liquid after taking off slag and melt, temperature controls at 730 ~ 750 DEG C, insulation 25 ~ 35min;
(4) refining: adding refining agent refining in the mixed molten liquid that step (3) obtains, temperature controls at 730 ~ 750 DEG C, insulation 0.5 ~ 3h;
(5) rotten: adding RE material in the mixed molten liquid after refining, it adds the mode adopting Al-La, Al-Sc and Al-Zr master alloy, and stirs, and temperature controls at 730 ~ 750 DEG C, insulation 25 ~ 35min, takes off slag;
(6) leave standstill: the mixed molten liquid after rotten is left standstill 20 ~ 30min;
(7) cast: put into tank cooling, add aluminium titanium boron wire simultaneously and be cast as aluminium bar;
(8) extrude: sending into two dynamic horizontal forward extrusion machine after aluminium bar is preheated to 480 ~ 500 DEG C and extrude, the preheating temperature of container controls at 400-430 DEG C, and extruder outlet is in line quench treatment;
(9) aftertreatment: sawing, packaging, warehouse-in.
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| CN201410336159.0A CN104046861B (en) | 2014-07-16 | 2014-07-16 | A kind of high-strength corrosion-resisting aluminium alloy extruded product and manufacture method thereof |
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| CN201410336159.0A CN104046861B (en) | 2014-07-16 | 2014-07-16 | A kind of high-strength corrosion-resisting aluminium alloy extruded product and manufacture method thereof |
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| CN104046861B true CN104046861B (en) | 2016-06-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104561699B (en) * | 2015-01-27 | 2017-07-21 | 芜湖新泰联轮模具有限公司 | A kind of tire-mold high-strength aluminium-magnesium alloy material |
| CN104726753A (en) * | 2015-03-23 | 2015-06-24 | 苏州市神龙门窗有限公司 | Preparation method of aluminum alloy section for doors/windows |
| CN106399773B (en) * | 2016-11-28 | 2018-08-21 | 安徽省煜灿新型材料科技有限公司 | A kind of high-strength/tenacity aluminum alloy proximate matter |
| CN106435302B (en) * | 2016-11-28 | 2019-04-09 | 安徽省煜灿新型材料科技有限公司 | Corrosion-resistant and high-temperature-resistant aluminum alloy profile and preparation method thereof |
| CN106399779B (en) * | 2016-11-28 | 2018-08-17 | 安徽省煜灿新型材料科技有限公司 | A kind of high-strength corrosion-resistant erosion aluminium alloy extrusions and preparation method thereof |
| CN106435287B (en) * | 2016-11-28 | 2019-01-01 | 安徽省煜灿新型材料科技有限公司 | A kind of coating anticorrosion aluminium ally section and preparation method thereof |
| CN106399762B (en) * | 2016-11-28 | 2018-10-09 | 安徽省煜灿新型材料科技有限公司 | A kind of high-strength corrosion-resisting aluminium alloy extrusions and preparation method thereof |
| CN115948683B (en) * | 2022-12-21 | 2024-08-20 | 广东兴发铝业有限公司 | High-strength high-plasticity extruded aluminum alloy and preparation method thereof |
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| CN101979692A (en) * | 2010-11-24 | 2011-02-23 | 中国兵器工业第五九研究所 | Al-Zn-Mg-Cu aluminum alloy with ultra-high strength and preparation process thereof |
| CN103103397A (en) * | 2012-11-09 | 2013-05-15 | 安徽欣意电缆有限公司 | Al-Fe-Cd-RE aluminium alloy, preparation method thereof and power cable |
| CN103572112A (en) * | 2012-08-08 | 2014-02-12 | 住友轻金属工业株式会社 | Aluminum alloy sheet that exhibits excellent surface quality after anodizing and method for producing the same |
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| JPH09263868A (en) * | 1996-03-28 | 1997-10-07 | Nippon Steel Corp | Aluminum alloy plate having excellent coating film adhesion and method for producing the same |
| AT407532B (en) * | 1998-07-29 | 2001-04-25 | Miba Gleitlager Ag | COMPOSITE OF AT LEAST TWO LAYERS |
| US20070297936A1 (en) * | 2006-06-23 | 2007-12-27 | Zaki Ahmad | Aluminum alloy |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979692A (en) * | 2010-11-24 | 2011-02-23 | 中国兵器工业第五九研究所 | Al-Zn-Mg-Cu aluminum alloy with ultra-high strength and preparation process thereof |
| CN103572112A (en) * | 2012-08-08 | 2014-02-12 | 住友轻金属工业株式会社 | Aluminum alloy sheet that exhibits excellent surface quality after anodizing and method for producing the same |
| CN103103397A (en) * | 2012-11-09 | 2013-05-15 | 安徽欣意电缆有限公司 | Al-Fe-Cd-RE aluminium alloy, preparation method thereof and power cable |
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Effective date of registration: 20221101 Address after: Room 6, No. 1766, Hong Kong Road, Binjiang Street, Haimen District, Nantong, Jiangsu 226,100 Patentee after: Nantong Jiakun New Material Technology Co.,Ltd. Address before: 226100 room 1, No. 1766, Hong Kong Road, Binjiang street, Haimen City, Nantong City, Jiangsu Province Patentee before: JIANGSU JIALV INDUSTRIAL CO.,LTD. |