CN107267827B - A kind of high-strength magnesium aluminium alloy - Google Patents
A kind of high-strength magnesium aluminium alloy Download PDFInfo
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- CN107267827B CN107267827B CN201710381724.9A CN201710381724A CN107267827B CN 107267827 B CN107267827 B CN 107267827B CN 201710381724 A CN201710381724 A CN 201710381724A CN 107267827 B CN107267827 B CN 107267827B
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C23/00—Alloys based on magnesium
- C22C23/02—Alloys based on magnesium with aluminium as the next major constituent
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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
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
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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
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
- C22C1/1073—Infiltration or casting under mechanical pressure, e.g. squeeze casting
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0089—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with other, not previously mentioned inorganic compounds as the main non-metallic constituent, e.g. sulfides, glass
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Abstract
The invention belongs to magnesium alloy fields, in particular to a kind of high-strength magnesium aluminium alloy, percentage, including following raw material: aluminium powder 6.0~9.7%, zinc powder 0.40~0.95%, manganese powder 0.12~0.45%, copper powder 0.03~0.05%, silicon powder 0.02~0.06%, iron powder 0.005~0.008%, nickel powder 0.001~0.004%, beryllium powder 0.001~0.003%, the assembling object 0.001~0.003% of rare earth compound and calcium silicates, remaining is magnesium powder.The magnesium alloy of high intensity prepared by the present invention has high intensity, and cheap, has large market promotional value.
Description
[technical field]
The present invention relates to magnesium alloy field, in particular to a kind of high-strength magnesium aluminium alloy.
[background technique]
Magnesium alloy is the alloy that other elements composition is added based on magnesium, its main feature is that: density is small, specific strength is high, ratio
Elasticity modulus is big, good heat dissipation, absorb shock resistance are good, it is bigger than aluminium alloy to absorb impact load-carrying ability and the corrosive nature of resistance to organic matter and alkali
It is good.The main alloying element of magnesium alloy has aluminium, zinc, manganese, cerium, thorium and a small amount of zirconium or cadmium etc..What use was most wide at present is magnalium
Alloy is mainly used in the industrial departments such as Aeronautics and Astronautics, transport, chemical industry, rocket, is most light metal, magnesium in practical metal
Specific gravity be about the 2/3 of aluminium, be the 1/4 of iron.It is the most light metal in practical metal, high-intensitive, high rigidity.
The cost of manufacture of magnesium alloy on current market is higher, and its each alloy raw material fusion degree is inadequate, influences
The mechanical property of subsequent magnesium alloy especially strength character, causes magnesium alloy to be prone to wear, further increases product
Production cost.Therefore, a kind of low cost and the magnesium alloy controllable with high-intensitive, stay in grade are studied, is had vast
Market promotion prospect.
[summary of the invention]
It is an object of that present invention to provide a kind of high-strength magnesium aluminium alloys, and the present invention is by preparing rare earth compound and calcium silicates
Assembling object, and be added into magnesium alloy, promote the fusion of each raw material of magnesium alloy, accelerate melting speed, in turn
The fusion degree for improving each raw material further increases the intensity of magnesium alloy.High-strength magnesium aluminium alloy prepared by the present invention is not
Only there is high intensity, and cheap, there is large market promotional value.
In order to achieve the above objectives, the technical scheme adopted by the invention is that: a kind of high-strength magnesium aluminium alloy, by weight percentage
Number meter, including following raw material: aluminium powder 6.0~9.7%, zinc powder 0.40~0.95%, manganese powder 0.12~0.45%, copper powder 0.03~
0.05%, silicon powder 0.02~0.06%, iron powder 0.005~0.008%, nickel powder 0.001~0.004%, beryllium powder 0.001~
0.003%, the assembling object 0.001~0.003% of rare earth compound and calcium silicates, remaining is magnesium powder.
In the present invention, as further explanation, the assembling object of the rare earth compound and calcium silicates is by following methods
Preparation: it according to parts by weight, after 100 parts of rare earth compounds and 150~200 parts of dehydrated alcohols are mixed, is put into reactor, uses
The pH value that ammonia spirit adjusts reaction solution is 7.8~8.2, while temperature is 35~50 DEG C, far infrared irradiation power is 300
Under conditions of~500w and ultrasonic power are 1500~3000w, 50 parts of calcium silicates powder are added in three times, are stirred to react 2~3h,
After the centrifuge separation for being finally 1000~2000r/min using revolving speed, after white product is washed and dried, obtain dilute
The assembling object of earth compounds and calcium silicates.
In the present invention, as further explanation, the partial size of all raw materials is nanoscale.
In the present invention, as further explanation, the rare earth compound is rare earth sulfate or rare earth nitrades.
In the present invention, as further explanation, the mass fraction of the ammonia spirit is 10~15%.
In the present invention, as further explanation, the rare earth is lanthanide rare metal.
The function introduction of part material is as follows:
Magnesium powder is in the present invention the primary raw material of magnesium alloy.
Aluminium powder is in the present invention the primary raw material of magnesium alloy.
Zinc powder, manganese powder, copper powder, silicon powder, iron powder, nickel powder and beryllium powder are in the present invention the alloy raw material of magnesium alloy.
The assembling object of rare earth compound and calcium silicates promotes the height fusion of each raw material of magnesium alloy in the present invention.
The invention has the following advantages:
1. the present invention has the advantages that high yield using the rare earth compound of precipitation method preparation and the assembling object of calcium silicates.This
Rare earth compound is first dissolved in dehydrated alcohol by invention, makes thulium from solid state transformed at the ion for being dissolved in solution；So
Afterwards by by the activation of far infrared, inhaling the micel in solution in the case where pH value is 7.8~8.2 alkaline condition
It receives thermal energy and is converted to subset, accelerate the contact area between rare earth compound and calcium silicates, improve rare earth chemical combination
The production rate of object and calcium silicates assembling object；Simultaneously, under the action of ultrasonic wave, subset can be made uniformly to vibrate and divide
It dissipates, the contact surface of rare earth compound and calcium silicates can not only be increased, increase the generation of rare earth compound and calcium silicates assembling object
Rate, additionally it is possible to which it is molten to be conducive to each raw material in subsequent and magnesium alloy for the partial size for reducing rare earth compound and calcium silicates assembling object
Melt the progress of step.Each technological means of the present invention cooperates, mutually promotes, and generated general effect is much
Higher than the simple adduction of effect caused by single technological means.
2. the assembling object of rare earth compound and calcium silicates that the present invention uses can accelerate magnesium alloy in melt process
The efficient melting of each raw material.Under the high temperature conditions, rare earth compound can be efficient for the assembling object of rare earth compound and calcium silicates
Preparation can promote the fusions of the other raw materials of magnesium alloy at 735 DEG C, reduce the active force between each raw material, improve each
The melting efficiency of raw material, time needed for shortening melt process.
3. the price low 10~20% of the more common magnesium alloy of high-strength magnesium aluminium alloy of the invention, significantly reduces production
The production cost of product, and the excellent in mechanical performance of prepared magnesium alloy, especially tensile strength are up to 395~310MPa,
The intensity of significantly larger than conventional magnesium alloy has large market promotional value.
[specific embodiment]
Embodiment 1:
1. early-stage preparations:
The preparation of the assembling object of rare earth compound and calcium silicates: by 100g lanthanide rare metallic compound and the anhydrous second of 150g
After alcohol mixing, it is put into reactor, the pH value that the ammonia spirit for being 10% with mass fraction adjusts reaction solution is 7.8, while
Under conditions of temperature is 35 DEG C, far infrared irradiation power is 300w and ultrasonic power is 1500w, 50 parts of silicic acid are added in three times
Calcium powder is stirred to react 2h, finally using revolving speed be 1000r/min centrifuge separation after, by white product carry out washing and
After drying, the assembling object of rare earth compound and calcium silicates is obtained.
It is computed, the yield of rare earth compound and calcium silicates assembling object is 45.8%.
The substance that above-mentioned early period is prepared is used for the preparation of following high-strength magnesium aluminium alloys.
2. a kind of preparation of high-strength magnesium aluminium alloy, comprising the following steps:
(1) activation processing and melt process: by 934.418g magnesium powder, 60g aluminium powder, 4g zinc powder, 1.2g manganese powder, 0.3g copper
The assembling object of powder, 0.2g silicon powder, 0.05g iron powder, 0.01g nickel powder, 0.01g beryllium powder and 0.01g rare earth sulfate and calcium silicates is put
Enter in smelting equipment, is warming up to 500 DEG C with the heating rate of 45 DEG C/min, inert gas is then passed through into smelting equipment, is made
Material activates 10h under the pressure condition of 6MPa, is then warming up to 735 DEG C, carries out melt process 10h, the object after being melted
Material；The partial size of all raw materials is nanoscale；
(2) die cast: entering surface in die casting machine for the material injection after melting and be coated in the mold of aqueous release agent,
Then clamp force is 700T, injection power is 620T, a speed be 72% and two speed be 130% under conditions of injection 6s, cooling 10s
Afterwards, it is opened with the condition that opening speed is 75%, obtains magnesium alloy finished product.
Embodiment 2:
1. early-stage preparations:
The preparation of the assembling object of rare earth compound and calcium silicates: by 100g lanthanide rare metallic compound and the anhydrous second of 165g
After alcohol mixing, it is put into reactor, the pH value that the ammonia spirit for being 13% with mass fraction adjusts reaction solution is 7.9, while
Under conditions of temperature is 40 DEG C, far infrared irradiation power is 350w and ultrasonic power is 2000w, 50 parts of silicic acid are added in three times
Calcium powder is stirred to react 2.5h, and after the centrifuge separation for being finally 1400r/min using revolving speed, white product is washed
After drying, the assembling object of rare earth compound and calcium silicates is obtained.
It is computed, the yield of rare earth compound and calcium silicates assembling object is 46.3%.
The substance that above-mentioned early period is prepared is used for the preparation of following high-strength magnesium aluminium alloys.
2. a kind of preparation of high-strength magnesium aluminium alloy, comprising the following steps:
(1) be activated and melt process: by 927.255g magnesium powder, 65g aluminium powder, 5g zinc powder, 2g manganese powder, 0.35g copper powder,
The assembling object of 0.3g silicon powder, 0.06g iron powder, 0.02g nickel powder, 0.02g beryllium powder and 0.015g rare earth sulfate and calcium silicates is put into
In smelting equipment, 500 DEG C are warming up to the heating rate of 45 DEG C/min, inert gas is then passed through into smelting equipment, makes object
Material activates 10h under the pressure condition of 6MPa, is then warming up to 735 DEG C, carries out melt process 10h, the material after being melted；
(2) die cast: entering surface in die casting machine for the material injection after melting and be coated in the mold of aqueous release agent,
Then clamp force is 700T, injection power is 620T, a speed be 72% and two speed be 130% under conditions of injection 6s, cooling 10s
Afterwards, it is opened with the condition that opening speed is 75%, obtains magnesium alloy finished product.
Embodiment 3:
1. early-stage preparations:
The preparation of the assembling object of rare earth compound and calcium silicates: by 100g lanthanide rare metallic compound and the anhydrous second of 170g
It after alcohol mixing, is put into reactor, the pH value that the ammonia spirit for being 14% with mass fraction adjusts reaction solution is 8, while in temperature
Under conditions of degree is 42 DEG C, far infrared irradiation power is 400w and ultrasonic power is 2200w, 50 parts of calcium silicates are added in three times
Powder is stirred to react 3h, after the centrifuge separation for being finally 1300r/min using revolving speed, white product is washed and is done
After dry, the assembling object of rare earth compound and calcium silicates is obtained.
It is computed, the yield of rare earth compound and calcium silicates assembling object is 47.2%.
The substance that above-mentioned early period is prepared is used for the preparation of following high-strength magnesium aluminium alloys.
2. a kind of preparation of high-strength magnesium aluminium alloy, comprising the following steps:
(1) activation processing and melt process: by 918.565g magnesium powder, 72g aluminium powder, 6g zinc powder, 2.5g manganese powder, 0.4g copper
The assembling object of powder, 0.4g silicon powder, 0.07g iron powder, 0.03g nickel powder, 0.02g beryllium powder and 0.015g rare earth sulfate and calcium silicates is put
Enter in smelting equipment, is warming up to 500 DEG C with the heating rate of 45 DEG C/min, inert gas is then passed through into smelting equipment, is made
Material activates 10h under the pressure condition of 6MPa, is then warming up to 735 DEG C, carries out melt process 10h, the object after being melted
Material；The partial size of all raw materials is nanoscale；
(2) die cast: entering surface in die casting machine for the material injection after melting and be coated in the mold of aqueous release agent,
Then clamp force is 700T, injection power is 620T, a speed be 72% and two speed be 130% under conditions of injection 6s, cooling 10s
Afterwards, it is opened with the condition that opening speed is 75%, obtains magnesium alloy finished product.
Embodiment 4:
1. early-stage preparations:
The preparation of the assembling object of rare earth compound and calcium silicates: by 100g lanthanide rare metallic compound and the anhydrous second of 180g
After alcohol mixing, it is put into reactor, the pH value that the ammonia spirit for being 13% with mass fraction adjusts reaction solution is 8.1, while
Under conditions of temperature is 39 DEG C, far infrared irradiation power is 430w and ultrasonic power is 2200w, 50 parts of silicic acid are added in three times
Calcium powder is stirred to react 2h, finally using revolving speed be 1500r/min centrifuge separation after, by white product carry out washing and
After drying, the assembling object of rare earth compound and calcium silicates is obtained.
It is computed, the yield of rare earth compound and calcium silicates assembling object is 46.8%.
The substance that above-mentioned early period is prepared is used for the preparation of following high-strength magnesium aluminium alloys.
2. a kind of preparation of high-strength magnesium aluminium alloy, comprising the following steps:
(1) activation processing and melt process: by 912.78g magnesium powder, 75g aluminium powder, 8g zinc powder, 3.5g manganese powder, 0.35g copper
The assembling object of powder, 0.25g silicon powder, 0.07g iron powder, 0.03g nickel powder, 0.02g beryllium powder and 0.02g rare earth sulfate and calcium silicates is put
Enter in smelting equipment, is warming up to 500 DEG C with the heating rate of 45 DEG C/min, inert gas is then passed through into smelting equipment, is made
Material activates 10h under the pressure condition of 6MPa, is then warming up to 735 DEG C, carries out melt process 10h, the object after being melted
Material；The partial size of all raw materials is nanoscale；
(2) die cast: entering surface in die casting machine for the material injection after melting and be coated in the mold of aqueous release agent,
Then clamp force is 700T, injection power is 620T, a speed be 72% and two speed be 130% under conditions of injection 6s, cooling 10s
Afterwards, it is opened with the condition that opening speed is 75%, obtains magnesium alloy finished product.
Embodiment 5:
1. early-stage preparations:
The preparation of the assembling object of rare earth compound and calcium silicates: by 100g lanthanide rare metallic compound and the anhydrous second of 190g
After alcohol mixing, it is put into reactor, the pH value that the ammonia spirit for being 12% with mass fraction adjusts reaction solution is 7.9, while
Under conditions of temperature is 45 DEG C, far infrared irradiation power is 470w and ultrasonic power is 2000w, 50 parts of silicic acid are added in three times
Calcium powder is stirred to react 2.5h, and after the centrifuge separation for being finally 1800r/min using revolving speed, white product is washed
After drying, the assembling object of rare earth compound and calcium silicates is obtained.
It is computed, the yield of rare earth compound and calcium silicates assembling object is 46.5%.
The substance that above-mentioned early period is prepared is used for the preparation of following high-strength magnesium aluminium alloys.
2. a kind of preparation of high-strength magnesium aluminium alloy, comprising the following steps:
(1) be activated and melt process: by 896.025g magnesium powder, 90g aluminium powder, 9g zinc powder, 4g manganese powder, 0.45g copper powder,
The assembling object of 0.4g silicon powder, 0.07g iron powder, 0.02g nickel powder, 0.015g beryllium powder and 0.02g rare earth sulfate and calcium silicates is put into
In smelting equipment, 500 DEG C are warming up to the heating rate of 45 DEG C/min, inert gas is then passed through into smelting equipment, makes object
Material activates 10h under the pressure condition of 6MPa, is then warming up to 735 DEG C, carries out melt process 10h, the material after being melted；
The partial size of all raw materials is nanoscale；
(2) die cast: entering surface in die casting machine for the material injection after melting and be coated in the mold of aqueous release agent,
Then clamp force is 700T, injection power is 620T, a speed be 72% and two speed be 130% under conditions of injection 6s, cooling 10s
Afterwards, it is opened with the condition that opening speed is 75%, obtains magnesium alloy finished product.
Embodiment 6:
1. early-stage preparations:
The preparation of the assembling object of rare earth compound and calcium silicates: by 100g lanthanide rare metallic compound and the anhydrous second of 200g
After alcohol mixing, it is put into reactor, the pH value that the ammonia spirit for being 15% with mass fraction adjusts reaction solution is 8.2, while
Under conditions of temperature is 50 DEG C, far infrared irradiation power is 500w and ultrasonic power is 3000w, 50 parts of silicic acid are added in three times
Calcium powder is stirred to react 3h, finally using revolving speed be 2000r/min centrifuge separation after, by white product carry out washing and
After drying, the assembling object of rare earth compound and calcium silicates is obtained.
It is computed, the yield of rare earth compound and calcium silicates assembling object is 43.1%.
The substance that above-mentioned early period is prepared is used for the preparation of following high-strength magnesium aluminium alloys.
2. a kind of preparation of high-strength magnesium aluminium alloy, comprising the following steps:
(1) activation processing and melt process: by 887.72g magnesium powder, 97g aluminium powder, 9.5g zinc powder, 4.5g manganese powder, 0.5g copper
The assembling object of powder, 0.6g silicon powder, 0.08g iron powder, 0.04g nickel powder, 0.03g beryllium powder and 0.03g rare earth sulfate and calcium silicates is put
Enter in smelting equipment, is warming up to 500 DEG C with the heating rate of 45 DEG C/min, inert gas is then passed through into smelting equipment, is made
Material activates 10h under the pressure condition of 6MPa, is then warming up to 735 DEG C, carries out melt process 10h, the object after being melted
Material；The partial size of all raw materials is nanoscale；
(2) die cast: entering surface in die casting machine for the material injection after melting and be coated in the mold of aqueous release agent,
Then clamp force is 700T, injection power is 620T, a speed be 72% and two speed be 130% under conditions of injection 6s, cooling 10s
Afterwards, it is opened with the condition that opening speed is 75%, obtains magnesium alloy finished product.
Comparative example 1: the raw material of high-strength magnesium aluminium alloy is substantially the same manner as Example 1, and difference is: not adding rare earth
The assembling object of compound and calcium silicates.
Comparative example 2: the raw material of high-strength magnesium aluminium alloy is substantially the same manner as Example 1, and difference is: rare earth compound and
The technological means without using far infrared irradiation and ultrasonic treatment in the preparation process of the assembling object of calcium silicates.
Comparative test 1:
Dynamic fusion test: dynamic fusion experiment refers to the melting experiment having under poor stress state, that is, with deformation
The melting experiment of process, stress state are 1 ≠ δ of δ 2=δ 3, and experimental condition: temperature is 735 DEG C, confining pressure 100MPa, strains
Rate is 2 × 10-5/ s and time are 30min, and dynamic fusion experiment carries out 4 times, detect the side of comparative example 1-2 and embodiment 1-6
Method prepares the melting degree of magnesium alloy, the results are shown in Table 1.
Comparative test 2:
Mechanics Performance Testing: the method for comparative example 1-2 and embodiment 1-6 are prepared into magnesium alloy, detect magnesium alloy
The concrete operation step of hardness, surrender degree and tensile strength, detection refers to GB/T 15114-2009, the results are shown in Table 2.
Table 1:
| Melting degree | |
| Comparative example 1 | 25.6% |
| Comparative example 2 | 36.9% |
| Embodiment 1 | 39.8% |
| Embodiment 2 | 40.5% |
| Embodiment 3 | 40.2% |
| Embodiment 4 | 39.6% |
| Embodiment 5 | 40.2% |
| Embodiment 6 | 40.4% |
Table 1 the result shows that: the numerical value of melting degree is higher, illustrates that the alloy is more easily accessible molten condition；Comparative example 1
In melting degree numerical value it is minimum, the numerical value highest of the melting degree of embodiment 2, illustrate by the feed be added rare earth
The assembling object for closing object and calcium silicates, can greatly improve the combination degree of each metal component between magnesium alloy, it is easier into
Enter molten condition, in order to process.
Table 2:
| Hardness HRA | Surrender degree MPa | Tensile strength MPa | |
| Comparative example 1 | 40 | 73 | 133 |
| Comparative example 2 | 42 | 76 | 195 |
| Embodiment 1 | 52 | 99 | 295 |
| Embodiment 2 | 53 | 100 | 299 |
| Embodiment 3 | 55 | 103 | 310 |
| Embodiment 4 | 54 | 102 | 309 |
| Embodiment 5 | 53 | 101 | 305 |
| Embodiment 6 | 54 | 100 | 308 |
Table 2 the result shows that: hardness is higher, illustrates that the mechanical property of magnesium alloy is better, and the hardness of comparative example 1 is minimum,
The hardness highest of embodiment 3 illustrates the assembling object by using rare earth compound and calcium silicates, can greatly improve magnesium alloy
Between each metal component combination degree, improve the hardness of magnesium alloy；
Surrender degree is higher, illustrates that the mechanical property of magnesium alloy is better, and the surrender degree of comparative example 2 is minimum, and embodiment 3 is bent
Degree of clothes highest illustrates the assembling object by using rare earth compound and calcium silicates, can greatly improve the surrender degree of magnesium alloy；
Tensile strength is higher, illustrates that the mechanical property of magnesium alloy is better, the tensile strength of comparative example 1 is minimum, embodiment 3
Tensile strength highest, illustrate the assembling object by using rare earth compound and calcium silicates, magnesium alloy can be greatly improved
Tensile strength.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, it is all the present invention suggested by technical spirit under completed same changes or modifications change, should all belong to
In the covered the scope of the patents of the present invention.
Claims (5)
1. a kind of high-strength magnesium aluminium alloy, it is characterised in that: percentage, including following raw material: aluminium powder 6.0~
9.7%, zinc powder 0.40~0.95%, manganese powder 0.12~0.45%, copper powder 0.03~0.05%, silicon powder 0.02~0.06%, iron
Powder 0.005~0.008%, nickel powder 0.001~0.004%, beryllium powder 0.001~0.003%, the group of rare earth compound and calcium silicates
Object 0.001~0.003% is filled, remaining is magnesium powder；
Wherein, the assembling object of rare earth compound and the calcium silicates is prepared by the following method: according to parts by weight, by 100 parts
After rare earth compound and 150~200 parts of dehydrated alcohol mixing, it is put into reactor, the pH value of reaction solution is adjusted with ammonia spirit
Be 7.8~8.2, at the same temperature is 35~50 DEG C, far infrared irradiation power is 300~500w and ultrasonic power be 1500~
Under conditions of 3000w, in three times be added 50 parts of calcium silicates powder, be stirred to react 2~3h, finally using revolving speed be 1000~
After the centrifuge separation of 2000r/min, after white product is washed and dried, the assembling of rare earth compound and calcium silicates is obtained
Object；
The preparation method of above-mentioned high-strength magnesium aluminium alloy, comprising the following steps:
(1) activation processing and melt process: by the magnesium powder, aluminium powder, zinc powder, manganese powder, copper powder, silicon powder, iron powder, nickel powder, beryllium powder
It is put into smelting equipment with the assembling object of rare earth sulfate and calcium silicates, is warming up to 500 DEG C with the heating rate of 45 DEG C/min, so
Inert gas is passed through into smelting equipment afterwards, material is made to activate 10h under the pressure condition of 6MPa, is then warming up to 735 DEG C, into
Row melt process 10h, the material after being melted；The partial size of all raw materials is nanoscale；
(2) die cast: the material injection after melting is entered into surface in die casting machine and is coated in the mold of aqueous release agent, then
Clamp force is 700T, injection power is 620T, a speed be 72% and two speed be 130% under conditions of injection 6s, after cooling 10s,
It is opened with the condition that opening speed is 75%, obtains magnesium alloy finished product.
2. a kind of high-strength magnesium aluminium alloy according to claim 1, it is characterised in that: the partial size of all raw materials is nanometer
Grade.
3. a kind of high-strength magnesium aluminium alloy according to claim 1, it is characterised in that: the rare earth compound is rare earth
Sulfate or rare earth nitrades.
4. a kind of high-strength magnesium aluminium alloy according to claim 1, it is characterised in that: the quality of the ammonia spirit point
Number is 10~15%.
5. a kind of high-strength magnesium aluminium alloy according to claim 1, it is characterised in that: the rare earth is lanthanide rare gold
Belong to.
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| CN108342629A (en) * | 2018-03-19 | 2018-07-31 | 菏泽高峰电机有限公司 | Magnesium alloy fan leaf |
| CN109694976B (en) * | 2019-03-13 | 2020-03-17 | 山东省科学院新材料研究所 | Low-cost soluble magnesium alloy and preparation method and application thereof |
| CN110241324A (en) * | 2019-07-16 | 2019-09-17 | 广东鸿邦金属铝业有限公司 | A kind of preparation method of high-strength aluminum alloy |
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| CN100999799A (en) * | 2007-01-09 | 2007-07-18 | 重庆大学 | Magnesium alloy |
| WO2012161485A2 (en) * | 2011-05-20 | 2012-11-29 | 한국생산기술연구원 | Magnesium-based alloy produced using a silicon compound and a calcium compound and method for producing same |
| CN105112696A (en) * | 2015-08-28 | 2015-12-02 | 苏州莱特复合材料有限公司 | Preparation method of magnesium alloy material |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100999799A (en) * | 2007-01-09 | 2007-07-18 | 重庆大学 | Magnesium alloy |
| WO2012161485A2 (en) * | 2011-05-20 | 2012-11-29 | 한국생산기술연구원 | Magnesium-based alloy produced using a silicon compound and a calcium compound and method for producing same |
| CN105112696A (en) * | 2015-08-28 | 2015-12-02 | 苏州莱特复合材料有限公司 | Preparation method of magnesium alloy material |
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Denomination of invention: A high-strength magnesium aluminum alloy Effective date of registration: 20230331 Granted publication date: 20181228 Pledgee: China Construction Bank Corporation Yulin Branch Pledgor: GUANGXI QINGDA AUTO PARTS CO.,LTD. Registration number: Y2023450000046 |
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