CN107955894A - A kind of mould high-strength aluminium-magnesium alloy material - Google Patents
A kind of mould high-strength aluminium-magnesium alloy material Download PDFInfo
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- CN107955894A CN107955894A CN201711332592.7A CN201711332592A CN107955894A CN 107955894 A CN107955894 A CN 107955894A CN 201711332592 A CN201711332592 A CN 201711332592A CN 107955894 A CN107955894 A CN 107955894A
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- alloy material
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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
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
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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
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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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
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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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
- C22F1/047—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 of alloys with magnesium as the next major constituent
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- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention discloses a kind of mould high-strength aluminium-magnesium alloy material, include the component of following percentage by weight：Cu：1.1 1.2%, Mg：5.3 5.6%, Si：0.2 0.25%, Zn：0.1 0.15%, Fe：0.1 0.2%, Mn：1.2 1.6%, Ti：0.6 0.7%, W：0.03 0.06%, Cr：0.02 0.04%, Zr：0.07 0.12%, La:0.06 0.08%, Sm：0.05 0.07%, Nd：0.05 0.06%, Y 0.05 0.07%, Pr：0.02 0.04%, Gd：0.01 0.03%, surplus is Al and inevitable impurity；The present invention has high intensity, hardness and corrosion resistance, can extend the service life used.
Description
Technical field
The present invention relates to mold materials technical field, and in particular to a kind of mould high-strength aluminium-magnesium alloy material.
Background technology
Aluminum alloy materials largely apply to building, civilian and industrial circle, and current industrial high-strength aluminum alloy material is very
More different requirements, such as require high intensity, high tenacity and good machine-shaping property, highly corrosion resistant ability, have it is a variety of
Surface treatment properties or good heat treatment performance etc., existing high-strength aluminum alloy material only meet above-mentioned partial condition, it is impossible to
Meet above-mentioned all conditions at the same time, especially serious wear in use, the problems such as service life is short；This also causes aluminium
Alloy material is restricted in use, influences the usage amount of height aluminium alloy.
The content of the invention
It is an object of the invention to provide a kind of mould high-strength aluminium-magnesium alloy material, there is high intensity, hardness and resistance to
Corrosivity, can extend the service life used.
The present invention is to achieve these goals, there is provided technical solution is：A kind of mould high-strength aluminium-magnesium alloy material, bag
Include the component of following percentage by weight：Cu：1.1-1.2%, Mg：5.3-5.6%, Si：0.2-0.25%, Zn：0.1-
0.15%, Fe：0..1-0.2%, Mn：1.2-1.6%, Ti：0.6-0.7%, W：0.03-0.06%, Cr：0.02-
0.04%, Zr：0.07-0.12%, La:0.06-0.08%, Sm：0.05-0.07%, Nd：0.05-0.06%, Y 0.05-
0.07%, Pr：0.02-0.04%, Gd：0.01-0.03%, surplus are Al and inevitable impurity.
The technical solution that further limits of the present invention is：
The foregoing component for including following percentage by weight： Cu：1.1%, Mg：5.3%, Si：0.21%, Zn：0.1%,
Fe：0..11%, Mn：1.3%, Ti：0.6%, Cr：0.026%, W：0.04%, Zr：0.076%, La:0.06%, Sm：
0.055%, Nd：0.052%, Y 0.05%, Pr：0.02%, Gd：0.015%, surplus is Al and inevitable impurity.
The foregoing component for including following percentage by weight：Cu：1.2%, Mg：5.4%, Si：0.23%, Zn：
0.13%, Fe：0..13%, Mn：1.4%, Ti：0.64%, W：0.05%, Cr：0.03%, Zr：0.083%, La:
0.07%, Sm：0.06%, Nd：0.056%, Y 0.063%, Pr：0.03%, Gd：0.02%, surplus is Al and can not keep away
Exempt from impurity.
The present invention provides a kind of mould high-strength aluminium-magnesium alloy material preparation method, specifically includes following steps：
Step 1：Melting twice：Smelting temperature be 800-850 DEG C, time 3-5h, use it is air-cooled with 10-15 DEG C/be cooled to
200-260 DEG C, secondary smelting is carried out, its temperature is 780-820 DEG C, time 1-2h；
Step 2：Initial refining：It is put into refining furnace, adds deslagging agent, refining temperature is 700-750 DEG C, time 20-
25min, wherein slag-removing time 20-30min, deslagging agent include by mass percentage：Potassium chloride：20-25%, sodium carbonate：3-
8%, sodium sulphate：4-8%, cryolite：2-3%, sodium fluoride：7-11%, calcirm-fluoride：4-7%, potassium sulfate：2-6%, fluorine silicon
Sour potassium：6-7%, surplus are sodium chloride；
Step 3：Double refining：Nitrogen and argon gas are passed through, refining temperature is 680-720 DEG C, time 10-15min, when skimming
Between be 15-20min；
Step 4：Cast molding:Cast temperature is 900-950 DEG C, and time 20-30s, obtains almag die blank；
Step 5：Quenching：Almag mould is placed into temperature in glowing furnace and rises to 680-750 DEG C, 1-2h is kept the temperature, is then immersed in
In quenching oil, it is 90-100 DEG C to keep quenching oil temperature, and time 45-55min, is subsequently cooled to room temperature, and cleaning, drying；
Step 6：Mould is placed at 480-520 DEG C and carries out solution treatment, time 2-4h, then using vaporific quenching
Almag mould is cooled to 220-260 DEG C by liquid with the cooldown rate of 10-15 DEG C/s；
Step 7：Ageing treatment：Temperature is 160-180 DEG C, time 3-6h.
The beneficial effects of the invention are as follows：The mould that the present invention is prepared using above-mentioned material, has high intensity and hardness, wherein
Addition rare earth metal, the defects of can filling up aluminum alloy surface, hinder crystal grain to grow up, have the function that crystallization particulate, make branch
Crystal mesh network is relatively sharp, so that improve the thermoplasticity of aluminium alloy, while rare earth metal has good modification effect to aluminium alloy,
The eutectic that can obtain fine uniform by the aluminium alloy of Metamorphism treatment adds nascent αsolidsolution tissue, so as to significantly increase aluminium
The intensity and plasticity of alloy, and the metamorphism of rare earth metal has the characteristics that long-acting and remelting is stablized；The introducing of rare earth metal,
Corrosion resistance and high temperature oxidation resistance tool to aluminum alloy materials improve, while also improve intensity and toughness；
In initial refining, deslagging agent is added, its heat generation is good, the aluminum that can be sufficiently separated in slag, and decomposes alumina composition,
Aluminium consumption is reduced, makes aluminium slag into dryness and loose, easily removing；Molten aluminum purity can be also greatly improved at the same time, improves its metallicity
Energy；
The mould that the present invention is prepared with aluminum-magnesium alloy material, its tensile strength are prevented up to more than 400Mpa, and with good
Corrosive nature, compared with the existing, its service life can improve 1-2 times.
Embodiment
Embodiment 1
The present embodiment provides a kind of mould high-strength aluminium-magnesium alloy material, include the component of following percentage by weight：Cu：
1.1%, Mg：5.3%, Si：0.21%, Zn：0.1%, Fe：0..11%, Mn：1.3%, Ti：0.6%, Cr：
0.026%, W：0.04%, Zr：0.076%, La:0.06%, Sm：0.055%, Nd：0.052%, Y 0.05%, Pr：
0.02%, Gd：0.015%, surplus is Al and inevitable impurity.
The present embodiment provides a kind of mould high-strength aluminium-magnesium alloy material preparation method, following steps are specifically included：
Step 1：Melting twice：Smelting temperature is 830 DEG C, time 4h, use it is air-cooled with 10 DEG C/be cooled to 240 DEG C, carry out
Secondary smelting, its temperature are 800 DEG C, time 1.5h；
Step 2：Initial refining：It is put into refining furnace, adds deslagging agent, refining temperature is 720 DEG C, and time 25min, skims
Time is 30min, and wherein deslagging agent includes by mass percentage：Potassium chloride：22%, sodium carbonate：5%, sodium sulphate：4%, fluorine aluminium
Sour sodium：2%, sodium fluoride：9%, calcirm-fluoride：5%, potassium sulfate：4%, potassium fluosilicate：6%, surplus is sodium chloride；
Step 3：Double refining：Nitrogen and argon gas are passed through, refining temperature is 695 DEG C, time 13min, and slag-removing time is
15min；
Step 4：Cast molding:Cast temperature is 930 DEG C, and time 25s, obtains almag mould；
Step 5：Quenching：Almag mould is placed into temperature in glowing furnace and rises to 710 DEG C, 1.5h is kept the temperature, is then immersed in quenching
In oil, it is 95 DEG C to keep quenching oil temperature, and time 50min, is subsequently cooled to room temperature, and cleaning, drying；
Step 6：Mould is placed at 495 DEG C and carries out solution treatment, time 3h, then uses vaporific quenching liquid with 13
DEG C/almag mould is cooled to 240 DEG C by the cooldown rate of s；
Step 7：Ageing treatment：Temperature is 175 DEG C, time 5h.
Embodiment 2
The present embodiment provides a kind of mould high-strength aluminium-magnesium alloy material, include the component of following percentage by weight：Cu：
1.2%, Mg：5.4%, Si：0.23%, Zn：0.13%, Fe：0.13%, Mn：1.4%, Ti：0.64%, W：0.05%, Cr：
0.03%, Zr：0.083%, La:0.07%, Sm：0.06%, Nd：0.056%, Y 0.063%, Pr：0.03%, Gd：
0.02%, surplus is Al and inevitable impurity.
The present embodiment provides a kind of mould high-strength aluminium-magnesium alloy material preparation method, following steps are specifically included：
Step 1：Melting twice：Smelting temperature be 845 DEG C, time 3.5h, use it is air-cooled with 15 DEG C/be cooled to 220 DEG C, into
Row secondary smelting, its temperature are 810 DEG C, time 1h；
Step 2：Initial refining：It is put into refining furnace, adds deslagging agent, refining temperature is 740 DEG C, and time 20min, skims
Time is 27min, and wherein deslagging agent includes by mass percentage：Potassium chloride：24%, sodium carbonate：7%, sodium sulphate：6%, fluorine aluminium
Sour sodium：3%, sodium fluoride：10%, calcirm-fluoride：7%, potassium sulfate：5%, potassium fluosilicate：7%, surplus is sodium chloride；
Step 3：Double refining：Nitrogen and argon gas are passed through, refining temperature is 710 DEG C, time 12min, and slag-removing time is
18min；
Step 4：Cast molding:Cast temperature is 940 DEG C, and time 23s, obtains almag mould；
Step 5：Quenching：Almag mould is placed into temperature in glowing furnace and rises to 730 DEG C, 1h is kept the temperature, is then immersed in quenching oil
In, it is 98 DEG C to keep quenching oil temperature, and time 45-55min, is subsequently cooled to room temperature, and cleaning, drying；
Step 6：Mould is placed at 510 DEG C and carries out solution treatment, time 2h, then uses vaporific quenching liquid with 15
DEG C/almag mould is cooled to 230 DEG C by the cooldown rate of s；
Step 7：Ageing treatment：Temperature is 180 DEG C, time 3.5h.
In addition to the implementation, the present invention can also have other embodiment.It is all to use equivalent substitution or equivalent transformation shape
Into technical solution, all fall within the protection domains of application claims.
Claims (4)
1. a kind of mould high-strength aluminium-magnesium alloy material, it is characterised in that include the component of following percentage by weight： Cu：
1.1-1.2%, Mg：5.3-5.6%, Si：0.2-0.25%, Zn：0.1-0.15%, Fe：0..1-0.2%, Mn：1.2-
1.6%, Ti：0.6-0.7%, W：0.03-0.06%, Cr：0.02-0.04%, Zr：0.07-0.12%, La:0.06-0.08%,
Sm：0.05-0.07%, Nd：0.05-0.06%, Y 0.05-0.07%, Pr：0.02-0.04%, Gd：0.01-0.03%,
Surplus is Al and inevitable impurity.
2. according to the mould high-strength aluminium-magnesium alloy material described in claim 1, it is characterised in that：Including following weight hundred
Divide the component of ratio： Cu：1.1%, Mg：5.3%, Si：0.21%, Zn：0.1%, Fe：0..11%, Mn：1.3%, Ti：
0.6%, Cr：0.026%, W：0.04%, Zr：0.076%, La:0.06%, Sm：0.055%, Nd：0.052%, Y
0.05%, Pr：0.02%, Gd：0.015%, surplus is Al and inevitable impurity.
3. according to the mould high-strength aluminium-magnesium alloy material described in claim 1, it is characterised in that：Including following weight hundred
Divide the component of ratio：Cu：1.2%, Mg：5.4%, Si：0.23%, Zn：0.13%, Fe：0..13%, Mn：1.4%, Ti：
0.64%, W：0.05%, Cr：0.03%, Zr：0.083%, La:0.07%, Sm：0.06%, Nd：0.056%, Y
0.063%, Pr：0.03%, Gd：0.02%, surplus is Al and inevitable impurity.
4. according to any mould high-strength aluminium-magnesium alloy material preparation method in claim 1-3, it is characterised in that：
Specifically include following steps：
Step 1：Melting twice：Smelting temperature be 800-850 DEG C, time 3-5h, use it is air-cooled with 10-15 DEG C/be cooled to
200-260 DEG C, secondary smelting is carried out, its temperature is 780-820 DEG C, time 1-2h；
Step 2：Initial refining：It is put into refining furnace, adds deslagging agent, refining temperature is 700-750 DEG C, time 20-
25min, wherein slag-removing time 20-30min, deslagging agent include by mass percentage：Potassium chloride：20-25%, sodium carbonate：3-
8%, sodium sulphate：4-8%, cryolite：2-3%, sodium fluoride：7-11%, calcirm-fluoride：4-7%, potassium sulfate：2-6%, fluorine silicon
Sour potassium：6-7%, surplus are sodium chloride；
Step 3：Double refining：Nitrogen and argon gas are passed through, refining temperature is 680-720 DEG C, time 10-15min, when skimming
Between be 15-20min；
Step 4：Cast molding:Cast temperature is 900-950 DEG C, and time 20-30s, obtains almag die blank；
Step 5：Quenching：Almag die blank is placed into temperature in glowing furnace and rises to 680-750 DEG C, keeps the temperature 1-2h, then
Immerse in quenching oil, it is 90-100 DEG C to keep quenching oil temperature, and time 45-55min, is subsequently cooled to room temperature, and cleaning, drying；
Step 6：Die blank is placed at 480-520 DEG C and carries out solution treatment, time 2-4h, then using vaporific
Almag mould is cooled to 220-260 DEG C by quenching liquid with the cooldown rate of 10-15 DEG C/s；
Step 7：Ageing treatment：Temperature is 160-180 DEG C, time 3-6h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711332592.7A CN107955894A (en) | 2017-12-13 | 2017-12-13 | A kind of mould high-strength aluminium-magnesium alloy material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711332592.7A CN107955894A (en) | 2017-12-13 | 2017-12-13 | A kind of mould high-strength aluminium-magnesium alloy material |
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| CN107955894A true CN107955894A (en) | 2018-04-24 |
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| CN201711332592.7A Pending CN107955894A (en) | 2017-12-13 | 2017-12-13 | A kind of mould high-strength aluminium-magnesium alloy material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108913963A (en) * | 2018-06-22 | 2018-11-30 | 镇江市益宝电气科技有限公司 | A kind of high-strength corrosion-resisting bus duct |
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| CN105568089A (en) * | 2015-12-19 | 2016-05-11 | 丹阳市宸兴环保设备有限公司 | Light-weight radiation-resistant alloy material |
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-
2017
- 2017-12-13 CN CN201711332592.7A patent/CN107955894A/en active Pending
Patent Citations (5)
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| CN104561699A (en) * | 2015-01-27 | 2015-04-29 | 芜湖新泰联轮模具有限公司 | High-strength aluminum-magnesium alloy material for tire molds |
| CN105401017A (en) * | 2015-11-13 | 2016-03-16 | 太仓旺美模具有限公司 | Magnalium alloy material |
| CN105568089A (en) * | 2015-12-19 | 2016-05-11 | 丹阳市宸兴环保设备有限公司 | Light-weight radiation-resistant alloy material |
| CN106521262A (en) * | 2016-12-01 | 2017-03-22 | 重庆东科模具制造有限公司 | Material suitable for automobile component dies |
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| Title |
|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108913963A (en) * | 2018-06-22 | 2018-11-30 | 镇江市益宝电气科技有限公司 | A kind of high-strength corrosion-resisting bus duct |
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