CN105441752A - Novel aluminum alloy - Google Patents
Novel aluminum alloy Download PDFInfo
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- CN105441752A CN105441752A CN201510809153.5A CN201510809153A CN105441752A CN 105441752 A CN105441752 A CN 105441752A CN 201510809153 A CN201510809153 A CN 201510809153A CN 105441752 A CN105441752 A CN 105441752A
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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
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
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Abstract
A novel aluminum alloy comprises, by weight, 4.6-5.30% of zinc, 1.0-1.2% of magnesium, 0.32-0.44% of copper, 0.7-0.75% of silicon, 0.13-0.14% of iron, 1-2% of titanium, 0.1-1% of nickel, 0.2-1% of cobalt, 0-0.03% of manganese, 0-0.03% of chromium, 0-0.02% of gallium, 0-0.02% of vanadium, 0-0.02% of zirconium, 0-0.03% of each impurity element, and the balance aluminum, wherein the content sum of the manganese and chromium is smaller than or equal to 0.03%; the content of each impurity element is smaller than or equal to 0.03%; the sum of the impurity elements is smaller than or equal to 0.10%. The aluminum alloy has the better comprehensive performance and higher strength, compared with other 7XXX deformed aluminum alloys with the Cu content greater than or equal to 0.5%, the problem of oxidation color rendition of a silver anode is effectively solved, an oxidation film obtained after anode oxidation of the material is more delicate and beautiful and has higher strength and toughness, and plasticity and corrosion resistance are improved.
Description
Technical field
The present invention relates to a kind of alloy, particularly relate to a kind of novel aluminum alloy.
Background technology
In recent years, along with wrought aluminium alloy in the application of electronic applications and development, there is the Al-alloy casing material of strict demand gradually toward high strength, high tenacity future development to decorative appearance.
Aluminium alloy is a most widely used class non-ferrous metal structured material in industry, widely applies in Aeronautics and Astronautics, automobile, machinofacture, boats and ships and chemical industry.The develop rapidly of industrial economy, increasing to the demand of Welded structural part, make the Research on Weldability of aluminium alloy also thereupon deeply.Aluminium alloy density is low, but strength ratio is higher, close to or exceed high-quality steel, plasticity is good, can be processed into various section bar, has excellent electroconductibility, thermal conductivity and corrosion stability, industrially widely uses, and usage quantity is only second to steel.Some aluminium alloys can adopt thermal treatment to obtain good mechanical property, physicals and corrosion resistance.Duralumin belongs to AI-Cu-Mg system, general containing a small amount of Mn, heat-treatable strengthened. be characterized in that hardness is large, but plasticity is poor.Ultralumin belongs to Al mono-Cu-Mg-Zn system, heat-treatable strengthened, is the aluminium alloy that under room temperature, intensity is the highest. but corrosion-resistant, hot mastication is fast.Forging aluminium alloy mainly Al-Zn-Mg-Si system alloy, although addition element kind is many, content is few, thus has excellent thermoplasticity, suitable forging, therefore also known as reflectal.Existing intensity of aluminum alloy is not high, and after treatment appearance oxidizable cause heterochromatic.
Summary of the invention
In order to overcome the shortcoming of prior art with not enough, the present invention discloses a kind of novel aluminum alloy, and each component content (weight percent) of described aluminium alloy is: zinc: 4.6% ~ 5.30%; Magnesium: 1.0% ~ 1.2%; Copper: 0.32% ~ 0.44%; Silicon: 0.7% ~ 0.75%; Iron: 0.13% ~ 0.14%; Titanium: 1% ~ 2%; Nickel: 0.1% ~ 1%; Cobalt: 0.2% ~ 1%; Fe content≤0.03%, chromium content≤0.03%, gallium content≤0.02%, content of vanadium≤0.02%, zirconium content≤0.02%, content summation≤0.03% of manganese chromatize, single content≤0.03% of all the other impurity elements, impurity element summation≤0.10%, surplus is aluminium.
Further, the composition of each component is respectively by weight percentage: zinc: 4.9% ~ 5.0%; Magnesium: 0.85% ~ 0.95%; Copper: 0.36% ~ 0.40%; Silicon: 0.7% ~ 0.75%; Iron: 0.13% ~ 0.14%; Titanium: 1% ~ 2%; Nickel: 0.1% ~ 1%; Cobalt: 0.2% ~ 1%; Surplus is aluminium.
Further, also comprise the impurity produced under weight percent is up to the manufacturing condition of 0.10% altogether, the weight percent of often kind of impurity is up to 0.03%.
Further, contain the composition of manganese or chromium or manganese and chromium in described impurity, the weight percentages total of described manganese and chromium is up to 0.03%.
Further, containing gallium in described impurity, the highest weight percent of gallium is 0.02%.
Further, containing vanadium in described impurity, the highest weight percent of vanadium is 0.02%.
Further, containing zirconium in described impurity, the highest weight percent of zirconium is 0.02%.
A kind of novel aluminum alloy, each component content (weight percent) of described aluminium alloy is: zinc: 4.6% ~ 5.30%; Magnesium: 1.0% ~ 1.2%; Copper: 0.32% ~ 0.44%; Silicon: 0.7% ~ 0.75%; Iron: 0.13% ~ 0.14%; Titanium: 1% ~ 2%; Nickel: 0.1% ~ 1%; Cobalt: 0.2% ~ 1%; Fe content≤0.03%, chromium content≤0.03%, gallium content≤0.02%, content of vanadium≤0.02%, zirconium content≤0.02%, content summation≤0.03% of manganese chromatize, single content≤0.03% of all the other impurity elements, impurity element summation≤0.10%, surplus is aluminium; This aluminium alloy is for the manufacture of the structural part of electronic product.
Embodiment
Embodiment 1:
A kind of novel aluminum alloy, each component content (weight percent) of described aluminium alloy is: zinc: 4.6% ~ 5.30%; Magnesium: 1.0% ~ 1.2%; Copper: 0.32% ~ 0.44%; Silicon: 0.7% ~ 0.75%; Iron: 0.13% ~ 0.14%; Titanium: 1% ~ 2%; Nickel: 0.1% ~ 1%; Cobalt: 0.2% ~ 1%; Fe content≤0.03%, chromium content≤0.03%, gallium content≤0.02%, content of vanadium≤0.02%, zirconium content≤0.02%, content summation≤0.03% of manganese chromatize, single content≤0.03% of all the other impurity elements, impurity element summation≤0.10%, surplus is aluminium.
Adopt the section bar of mentioned component aluminum alloy ingot extrusion molding, under T6 as-heat-treated condition, the compare 320-330MPa of prior art of its tensile strength is increased to 350MPa, the materials chemistry polishing time of T6 state foreshortened to 25 seconds by original 90 seconds, the material of T6 state is fine and smooth through silvery white anodic oxidation rear oxidation film, bias colour, crystallization is even.
Embodiment 2:
A kind of novel aluminum alloy, each component content (weight percent) of described aluminium alloy is: zinc: 4.9% ~ 5.0%; Magnesium: 0.85% ~ 0.95%; Copper: 0.36% ~ 0.40%; Silicon: 0.7% ~ 0.75%; Iron: 0.13% ~ 0.14%; Titanium: 1% ~ 2%; Nickel: 0.1% ~ 1%; Cobalt: 0.2% ~ 1%; In impurity element, Fe content≤0.03%, chromium content≤0.03%, gallium content≤0.02%, content of vanadium≤0.02%, zirconium content≤0.02%, content summation≤0.03% of manganese chromatize, single content≤0.03% of all the other impurity elements, impurity content summation≤0.10%, surplus is aluminium.
Adopt the section bar of mentioned component aluminum alloy ingot extrusion molding, under T6 as-heat-treated condition, the compare 320-330MPa of prior art of its tensile strength is increased to 355MPa, the materials chemistry polishing time of T6 state foreshortened to 20-30 second by original 90 seconds, the material of T6 state is fine and smooth through silvery white anodic oxidation rear oxidation film, bias colour, crystallization is even.
Embodiment 3:
A kind of novel aluminum alloy, each component content (weight percent) of described aluminium alloy is: Zn content is 4.90% ~ 5.00%, and Mg content is 1.0% ~ 1.2%, and copper content is 0.36% ~ 0.40%, silicone content 0.7% ~ 0.75%; Iron level 0.13% ~ 0.14%; Titanium: 1% ~ 2%; Nickel: 0.1% ~ 1%; Cobalt: 0.2% ~ 1%; In impurity element, Fe content≤0.03%, chromium content≤0.03%, gallium content≤0.02%, content of vanadium≤0.02%, zirconium content≤0.02%, content≤0.03% of manganese chromatize summation, single content≤0.03% of all the other impurity elements, impurity content summation≤0.10%, surplus is aluminium.
Adopt the section bar of mentioned component aluminum alloy ingot extrusion molding, under T6 as-heat-treated condition, the compare 310-320MPa of prior art of its tensile strength is increased to 355-365MPa, the materials chemistry polishing time of T6 state foreshortened to 20-30 second by original 80 seconds, the material of T6 state is fine and smooth through silvery white anodic oxidation rear oxidation film, bias colour, crystallization is even.
Embodiment 4:
A kind of novel aluminum alloy, each component content (weight percent) of described aluminium alloy is: Zn content is 4.95%, and Mg content is 1.1%, and copper content is 0.38%, silicone content 0.7% ~ 0.75%; Iron level 0.13% ~ 0.14%; Titanium: 1% ~ 2%; Nickel: 0.1% ~ 1%; Cobalt: 0.2% ~ 1%; In impurity element, Fe content≤0.03%, chromium content≤0.03%, gallium content≤0.02%, content of vanadium≤0.02%, zirconium content≤0.02%, content summation≤0.03% of manganese chromatize, single content≤0.03% of all the other impurity elements, impurity content summation≤0.10%, surplus is aluminium.
Adopt the section bar of mentioned component aluminum alloy ingot extrusion molding, under T6 as-heat-treated condition, the compare 320-330MPa of prior art of its tensile strength is increased to 360MPa, the materials chemistry polishing time of T6 state foreshortened to 20 seconds by original 80 seconds, the material of T6 state is fine and smooth through silvery white anodic oxidation rear oxidation film, bias colour, crystallization is even.
In composition, silicon can improve the castability of alloy, and silicon and aluminium can form sosoloid, and silicon composition can not be excessive, once volume can make machining difficulty, the corrosion of silumin to foundry goods crucible is serious; Copper, increases copper content, can put forward heavy alloyed mobility, tensile strength and hardness, but reduce solidity to corrosion and plasticity, and hot cracking tendency increases; Magnesium, adds a small amount of magnesium in aluminium alloy, can improve intensity and yield strength, improves the machinability of alloy; Cobalt has been improve resistance to compression, fatigue resistance in the middle of aluminium alloy, also has high temperature resistant effect; Zinc can improve mobility in aluminium alloy, increases red brittleness, reduces solidity to corrosion, therefore the content that should control zinc is in specialized range.
Mg, when described artificial aging process such as solution strengthening and coating baking process, is formed and helps intensity raising precipitation, play age hardening energy together with Si.
After T4 state in thermal treatment process refers to the admittedly molten thermal treatment of material, natural aging is to basicly stable state, and T6 state refers to admittedly melt thermal treatment laggard row artificially aged state.Aluminium alloy of the present invention is mainly for the manufacture of the structural part of electronic product.Structural part refers to have definite shape structure, and can the component of effect of carry load, includes but not limited to support, the skeleton of interior of aircraft, the framework of furniture of the base of machine, the shell of electronic product and inside.
The constituent content mentioned in all embodiments and comparative example refers to the weight percent shared by this element.
The Al-Zn system wrought aluminium alloy of comparing traditional, aluminium alloy of the present invention has more excellent over-all properties, intensity is higher, compared with other 7XXX wrought aluminium alloy being more than or equal to 0.5% with copper Cu constituent content, alloy in the present invention efficiently solves silvery white anodic oxidation colour cast problem, the oxide film that material obtains after anodic oxidation is more fine and smooth attractive in appearance, and intensity, toughness are higher, and plasticity, solidity to corrosion are improved.
The present invention is not limited to above-mentioned embodiment, if do not depart from the spirit and scope of the present invention to various change of the present invention or distortion, if these are changed and distortion belongs within claim of the present invention and equivalent technologies scope, then the present invention is also intended to comprise these changes and distortion.
Claims (8)
1. a novel aluminum alloy, is characterized in that the composition of each component is respectively by weight percentage: zinc: 4.6% ~ 5.30%; Magnesium: 1.0% ~ 1.2%; Copper: 0.32% ~ 0.44%; Silicon: 0.7% ~ 0.75%; Iron: 0.13% ~ 0.14%; Titanium: 1% ~ 2%; Nickel: 0.1% ~ 1%; Cobalt: 0.2% ~ 1%; Surplus is aluminium.
2. novel aluminum alloy according to claim 1, is characterized in that: the composition of each component is respectively by weight percentage: zinc: 4.9% ~ 5.0%; Magnesium: 0.85% ~ 0.95%; Copper: 0.36% ~ 0.40%; Silicon: 0.7% ~ 0.75%; Iron: 0.13% ~ 0.14%; Titanium: 1% ~ 2%; Nickel: 0.1% ~ 1%; Cobalt: 0.2% ~ 1%; Surplus is aluminium.
3. novel aluminum alloy according to claim 2, is characterized in that: also comprise the impurity produced under weight percent is up to the manufacturing condition of 0.10% altogether, the weight percent of often kind of impurity is up to 0.03%.
4. novel aluminum alloy according to claim 3, is characterized in that: the composition containing manganese or chromium or manganese and chromium in described impurity, the weight percentages total of described manganese and chromium is up to 0.03%.
5. novel aluminum alloy according to claim 3, is characterized in that: containing gallium in described impurity, the highest weight percent of gallium is 0.02%.
6. novel aluminum alloy according to claim 3, is characterized in that: containing vanadium in described impurity, the highest weight percent of vanadium is 0.02%.
7. novel aluminum alloy according to claim 3, is characterized in that: containing zirconium in described impurity, the highest weight percent of zirconium is 0.02%.
8., according to the arbitrary described novel aluminum alloy of claim 1 ~ 7, it is characterized in that: this aluminium alloy is for the manufacture of the structural part of electronic product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510809153.5A CN105441752A (en) | 2015-11-19 | 2015-11-19 | Novel aluminum alloy |
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| CN201510809153.5A CN105441752A (en) | 2015-11-19 | 2015-11-19 | Novel aluminum alloy |
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| CN105441752A true CN105441752A (en) | 2016-03-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107312956A (en) * | 2017-07-18 | 2017-11-03 | 合肥万之景门窗有限公司 | A kind of preparation technology of aluminum alloy materials |
| CN112410629A (en) * | 2020-10-13 | 2021-02-26 | 江苏德联达智能科技有限公司 | Material for set top box shell and manufacturing method |
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| JPS62207842A (en) * | 1986-03-07 | 1987-09-12 | Showa Alum Corp | High strength aluminum alloy |
| CN101705399A (en) * | 2009-10-21 | 2010-05-12 | 苏州有色金属研究院有限公司 | High damage tolerance type ultra-high strength aluminum alloy |
| CN102011036A (en) * | 2010-11-24 | 2011-04-13 | 肇庆莱尔达光电科技有限公司 | Die casting aluminum alloy |
| CN104674084A (en) * | 2014-12-26 | 2015-06-03 | 昆山硕磁金属材料制品有限公司 | Corrosion-resistant aluminum alloy |
| CN105063442A (en) * | 2015-08-10 | 2015-11-18 | 台山市金桥铝型材厂有限公司 | Aluminum alloy |
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2015
- 2015-11-19 CN CN201510809153.5A patent/CN105441752A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62207842A (en) * | 1986-03-07 | 1987-09-12 | Showa Alum Corp | High strength aluminum alloy |
| CN101705399A (en) * | 2009-10-21 | 2010-05-12 | 苏州有色金属研究院有限公司 | High damage tolerance type ultra-high strength aluminum alloy |
| CN102011036A (en) * | 2010-11-24 | 2011-04-13 | 肇庆莱尔达光电科技有限公司 | Die casting aluminum alloy |
| CN104674084A (en) * | 2014-12-26 | 2015-06-03 | 昆山硕磁金属材料制品有限公司 | Corrosion-resistant aluminum alloy |
| CN105063442A (en) * | 2015-08-10 | 2015-11-18 | 台山市金桥铝型材厂有限公司 | Aluminum alloy |
Non-Patent Citations (1)
| Title |
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| 王祝堂 等: "《轨道车辆用铝材手册》", 30 November 2013 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107312956A (en) * | 2017-07-18 | 2017-11-03 | 合肥万之景门窗有限公司 | A kind of preparation technology of aluminum alloy materials |
| CN107312956B (en) * | 2017-07-18 | 2019-02-15 | 合肥万之景门窗有限公司 | A kind of preparation process of aluminum alloy materials |
| CN112410629A (en) * | 2020-10-13 | 2021-02-26 | 江苏德联达智能科技有限公司 | Material for set top box shell and manufacturing method |
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Application publication date: 20160330 |