CN110079715A - A kind of high-strength aluminium-magnesium alloy material and its production technology - Google Patents

A kind of high-strength aluminium-magnesium alloy material and its production technology Download PDF

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Publication number
CN110079715A
CN110079715A CN201810648623.8A CN201810648623A CN110079715A CN 110079715 A CN110079715 A CN 110079715A CN 201810648623 A CN201810648623 A CN 201810648623A CN 110079715 A CN110079715 A CN 110079715A
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CN
China
Prior art keywords
aluminium
ingot
magnesium
alloy material
magnesium alloy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810648623.8A
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Chinese (zh)
Inventor
吴焯光
吴焯佳
吴振华
王长江
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Dongguan Yukkwong Metal Oxidization Products Co Ltd
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Dongguan Yukkwong Metal Oxidization Products Co Ltd
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Application filed by Dongguan Yukkwong Metal Oxidization Products Co Ltd filed Critical Dongguan Yukkwong Metal Oxidization Products Co Ltd
Priority to CN201810648623.8A priority Critical patent/CN110079715A/en
Publication of CN110079715A publication Critical patent/CN110079715A/en
Pending legal-status Critical Current

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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
    • C22C1/00Making non-ferrous alloys
    • C22C1/06Making non-ferrous alloys with the use of special agents for refining or deoxidising
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Conductive Materials (AREA)

Abstract

The present invention relates to a kind of high-strength aluminium-magnesium alloy material and its production technologies, ingredient including following weight percent: silicon 0.1-0.4%, iron 0.1-0.3%, copper 0.01-0.1%, manganese 0.05-0.15%, magnesium 4.7-6%, chromium 0.05-0.15%, zinc 0.01-0.1%, molybdenum 0.5-1.0%, surplus is aluminium, molybdenum element and beryllium element is added in high-strength aluminium-magnesium alloy material on the basis of aluminum-magnesium alloy material, and optimize Si, Fe, Cu, Mn, Mg, Cr, Zn, Mo, the quality proportioning of Be and aluminium, the tensile strength of material is just improved without ageing treatment, yield strength, fatigue strength, the performances such as elongation percentage, it is practical, meet the use demand that greenhouse and house villa are built.

Description

A kind of high-strength aluminium-magnesium alloy material and its production technology
Technical field
The present invention relates to field of aluminum alloys, and in particular to a kind of high-strength aluminium-magnesium alloy material and its production technology.
Background technique
Greenhouse is for the facility in internal culturing vegetable, fruit tree, potting etc., and the main body rack of present greenhouse is all to use Galvanized iron conduit is made, poor and heavier (the density 7.85g/cm of the resistance to corrosion of galvanized iron conduit3), there is service life not The disadvantages of long, heaviness is not easy carrying and installation, and if using aluminium alloy, because aluminium alloy has preferable resistance to corrosion and again Relatively light (the density 2.7g/cm of amount3Left and right), so that it may the very good solution above problem, but the tensile strength of aluminium alloy is not high, meeting The structural stability of greenhouse is reduced, and since greenhouse volume is big, span is big, it has not been convenient to carry out ageing treatment to improve aluminium alloy Tensile strength properties.
Therefore someone uses almag as the use of greenhouse building materials, and almag can be good at solving above-mentioned two Kind material problem encountered, but the defect of almag is that elongation percentage is lower, plastic property is poor, and using effect is It is bad, so there are no a kind of excellent combination properties can be completely suitable for the alloy material that greenhouse uses currently on the market.
Summary of the invention
Prior art greenhouse material there are aiming at the problem that, the present invention provides a kind of comprehensive performance is superior, collect high tensile The high-strength aluminium-magnesium alloy material and its production technology of the features such as intensity, high-yield strength, high-fatigue strength, high-elongation, tool Body technique scheme is as follows:
A kind of high-strength aluminium-magnesium alloy material, the ingredient including following weight percent:
Silicon 0.1-0.4%, iron 0.1-0.3%, copper 0.01-0.1%, manganese 0.05-0.15%,
Magnesium 4.7-6%, chromium 0.05-0.15%, zinc 0.01-0.1%, molybdenum 0.5-1.0%, surplus are aluminium.
As a preferred solution of the present invention, high-strength aluminium-magnesium alloy material further includes beryllium 0.5-1%.
As a preferred solution of the present invention, a kind of high-strength aluminium-magnesium alloy material, including following weight percent Ingredient: silicon 0.1%, iron 0.2%, copper 0.05%, manganese 0.1%, magnesium 5.2%, chromium 0.1%, zinc 0.05%, molybdenum 0.6%, beryllium 0.7%, surplus is aluminium.
As a preferred solution of the present invention, a kind of high-strength aluminium-magnesium alloy material, including following weight percent Ingredient: silicon 0.2%, iron 0.3%, copper 0.1%, manganese 0.12%, magnesium 6%, chromium 0.1%, zinc 0.05%, molybdenum 0.7%, Beryllium 0.8%, surplus are aluminium.
A kind of high-strength aluminium-magnesium alloy material production technology is carried out by following step is poly-:
A. molten aluminum is manufactured, aluminium ingot is put into heating furnace, melting 2h is at molten aluminum at 750 DEG C;
B. magnalium liquid is manufactured, 4.7-6% magnesium ingot is added into heating furnace, melting 0.5h, molten aluminum are mixed into magnesium liquid at 750 DEG C Magnalium liquid;
C. metallic element is added, by 0.1-0.4% silicon ingot, 0.1-0.3% ingot iron, 0.05-0.15% manganese ingot, 0.05-0.15% Chromium ingot, 0.01-0.1% copper ingot, 0.01-0.1% zinc ingot metal, 0.5-1.0% molybdenum ingot, 0.5-1% beryllium ingot are added in heating furnace, Melting 2h is at almag mixed liquor at 750 DEG C;
D. it removes slag, refining agent is added and removes slag;
E. titanium boron wire melting 10min at 750 DEG C is added in crystal grain refinement;
F. it forms, aluminum alloy melt is released into stick.
Beneficial effects of the present invention: molybdenum element and beryllium is added in high-strength aluminium-magnesium alloy material on the basis of aluminum-magnesium alloy material Element, and the quality proportioning of Si, Fe, Cu, Mn, Mg, Cr, Zn, Mo, Be and aluminium is optimized, material is just improved without ageing treatment The performances such as tensile strength, yield strength, fatigue strength, the elongation percentage of material, it is practical, meet greenhouse and house villa builds Use demand.
Detailed description of the invention
Fig. 1 is technological process block-diagram of the invention;
Fig. 2 is process flow chart of the invention.
Specific embodiment
With reference to the accompanying drawing, a specific embodiment of the invention is described further:
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", " water It is flat ", "inner", the instructions such as "outside" orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings, merely to just In description the present invention and simplify description, rather than the position of indication or suggestion meaning or element must have a particular orientation, with Specific orientation construction and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, concrete condition can be regarded and understand that above-mentioned term exists Concrete meaning in the present invention.
A kind of high-strength aluminium-magnesium alloy material, the ingredient including following weight percent:
Silicon (Si) 0.1-0.4%, iron (Fe) 0.1-0.3%, copper (Cu) 0.01-0.1%, manganese (Mn) 0.05-0.15%,
Magnesium (Mg) 4.7-6%, chromium (Cr) 0.05-0.15%, zinc (Zn) 0.01-0.1%, molybdenum (Mo) 0.5-1.0%, surplus is aluminium (Al), addition magnesium, zinc increase the tensile strength and yield strength of material.
Specifically, molybdenum element is added as almag additive, the matrix of complete pearlite is contributed to form, aluminium is improved The intensity and toughness of magnesium alloy improve the uniformity of cast structure, whole tensile strength, yield strength and the fatigue for improving alloy Intensity improves harden ability, weldability and heat resistance.In addition, high-strength aluminium-magnesium alloy material further includes beryllium (Be) 0.5-1%, beryllium It is added in almag solution, oxide film can be formed on surface, oxide film, which can reduce slag, can also prevent Mg With oxygen loss of reaction, purity is improved, improves elongation percentage.
Embodiment 1, a kind of high-strength aluminium-magnesium alloy material, the ingredient including following weight percent: silicon 0.1%, iron 0.2%, copper 0.05%, manganese 0.1%, magnesium 5.2%, chromium 0.1%, zinc 0.05%, molybdenum 0.6%, beryllium 0.7%, surplus is Aluminium, i.e. aluminium 92.9%.
Embodiment 2, a kind of high-strength aluminium-magnesium alloy material, the ingredient including following weight percent: silicon 0.2%, iron 0.3%, copper 0.1%, manganese 0.12%, magnesium 6%, chromium 0.1%, zinc 0.05%, molybdenum 0.7%, beryllium 0.8%, surplus is Aluminium, i.e. aluminium 91.63%.
Embodiment 3, a kind of high-strength aluminium-magnesium alloy material, the ingredient including following weight percent: silicon 0.3%, iron 0.25%, copper 0.1%, manganese 0.15%, magnesium 5%, chromium 0.7%, zinc 0.1%, molybdenum 1%, beryllium 0.9%, surplus is aluminium, That is aluminium 91.5%.
A kind of high-strength aluminium-magnesium alloy material production technology is carried out by following step is poly-:
A. molten aluminum is manufactured, aluminium ingot is put into heating furnace, melting 2h is at molten aluminum at 750 DEG C, and aluminium element is in material of the present invention Accounting maximum is preferably fabricated, is convenient for following process;
B. magnalium liquid is manufactured, 4.7-6% magnesium ingot is added into heating furnace, melting 0.5h, molten aluminum are mixed into magnesium liquid at 750 DEG C Magnalium liquid is added magnesium elements and tentatively strengthens to aluminium, and 1% magnesium of every increase, tensile strength about increases 34MPa;
C. metallic element is added, by 0.1-0.4% silicon ingot, 0.1-0.3% ingot iron, 0.05-0.15% manganese ingot, 0.05-0.15% Chromium ingot, 0.01-0.1% copper ingot, 0.01-0.1% zinc ingot metal, 0.5-1.0% molybdenum ingot, 0.5-1% beryllium ingot are added in heating furnace, Melting 2h prevents alloy from cracking in right amount at almag mixed liquor, silicon, ferro element at 750 DEG C, and manganese element has reinforced aluminum Alloy effect, while hot cracking tendency can be reduced, as described above, each microelement collective effect is added, refinement aluminium is closed for molybdenum, beryllium function Golden solid solution matrix and superfluous phase constitution, whole tensile strength, yield strength and the fatigue strength for improving alloy improve through hardening Property, weldability and heat resistance;
D. it removes slag, refining agent is added and removes slag, the oxide slag inclusion that refining agent removes the hydrogen inside molten aluminum and swims keeps molten aluminum purer Only;
E. titanium boron wire melting 10min at 750 DEG C is added in crystal grain refinement, hence it is evident that improves the intensity and modeling of almag mixed liquor Property, improve comprehensive mechanical performance, reduce rejection rate, can be obviously improved surface quality, improve profile heat-tinting uniformity and light Brightness;
F. it forms, aluminum alloy melt is released into stick.
Embodiment 1-3 is compared with the galvanized iron conduit of greenhouse on the market, aluminium alloy, almag, as shown in the table:
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that this hair Bright specific implementation is only limited to these instructions, and for those of ordinary skill in the art to which the present invention belongs, is not being taken off Under the premise of from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to protection of the invention Range.

Claims (5)

1. a kind of high-strength aluminium-magnesium alloy material, which is characterized in that the ingredient including following weight percent:
Silicon 0.1-0.4%, iron 0.1-0.3%, copper 0.01-0.1%, manganese 0.05-0.15%,
Magnesium 4.7-6%, chromium 0.05-0.15%, zinc 0.01-0.1%, molybdenum 0.5-1.0%, surplus are aluminium.
2. a kind of high-strength aluminium-magnesium alloy material according to claim 1, which is characterized in that further include beryllium 0.5-1%.
3. a kind of high-strength aluminium-magnesium alloy material according to claim 2, which is characterized in that including following weight percent Ingredient:
Silicon 0.1%, iron 0.2%, copper 0.05%, manganese 0.1%, magnesium 5.2%, chromium 0.1%, zinc 0.05%, molybdenum 0.6%, beryllium 0.7%, surplus is aluminium.
4. a kind of high-strength aluminium-magnesium alloy material according to claim 2, which is characterized in that including following weight percent Ingredient: silicon 0.2%, iron 0.3%, copper 0.1%, manganese 0.12%, magnesium 6%, chromium 0.1%, zinc 0.05%, molybdenum 0.7%, beryllium 0.8%, surplus is aluminium.
5. a kind of high-strength aluminium-magnesium alloy material production technology, which is characterized in that carried out by following step is poly-:
A. molten aluminum is manufactured, aluminium ingot is put into heating furnace, melting 2h is at molten aluminum at 750 DEG C;
B. magnalium liquid is manufactured, 4.7-6% magnesium ingot is added into heating furnace, melting 0.5h, molten aluminum are mixed into magnesium liquid at 750 DEG C Magnalium liquid;
C. metallic element is added, by 0.1-0.4% silicon ingot, 0.1-0.3% ingot iron, 0.05-0.15% manganese ingot, 0.05-0.15% Chromium ingot, 0.01-0.1% copper ingot, 0.01-0.1% zinc ingot metal, 0.5-1.0% molybdenum ingot, 0.5-1% beryllium ingot are added in heating furnace, Melting 2h is at almag mixed liquor at 750 DEG C;
D. it removes slag, refining agent is added and removes slag;
E. titanium boron wire melting 10min at 750 DEG C is added in crystal grain refinement;
F. it forms, aluminum alloy melt is released into stick.
CN201810648623.8A 2018-06-22 2018-06-22 A kind of high-strength aluminium-magnesium alloy material and its production technology Pending CN110079715A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110863127A (en) * 2019-11-21 2020-03-06 郑州工商学院 High-ductility and high-strength aluminum-magnesium alloy plate
CN112289479A (en) * 2020-09-09 2021-01-29 杭州尖力机械有限公司 Electromagnetic shielding aluminum-magnesium alloy cable and production process thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2602657A1 (en) * 2005-03-25 2006-10-05 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Aluminum alloy sheet for bottle cans superior in high-temperature properties
CN105838939A (en) * 2016-04-11 2016-08-10 海门市东亚铝业有限公司 Aluminum magnesium alloy
CN108165847A (en) * 2018-01-30 2018-06-15 山东创新金属科技有限公司 A kind of high ferro axle box cover aluminium alloy cast ingot

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2602657A1 (en) * 2005-03-25 2006-10-05 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Aluminum alloy sheet for bottle cans superior in high-temperature properties
CN105838939A (en) * 2016-04-11 2016-08-10 海门市东亚铝业有限公司 Aluminum magnesium alloy
CN108165847A (en) * 2018-01-30 2018-06-15 山东创新金属科技有限公司 A kind of high ferro axle box cover aluminium alloy cast ingot

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
沈宁福等, 科学出版社 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110863127A (en) * 2019-11-21 2020-03-06 郑州工商学院 High-ductility and high-strength aluminum-magnesium alloy plate
CN112289479A (en) * 2020-09-09 2021-01-29 杭州尖力机械有限公司 Electromagnetic shielding aluminum-magnesium alloy cable and production process thereof
CN112289479B (en) * 2020-09-09 2022-03-18 杭州尖力机械有限公司 Electromagnetic shielding aluminum-magnesium alloy cable and production process thereof

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Application publication date: 20190802