CN109550936A - Magnesium alloy powder and preparation method thereof - Google Patents
Magnesium alloy powder and preparation method thereof Download PDFInfo
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- CN109550936A CN109550936A CN201811580477.6A CN201811580477A CN109550936A CN 109550936 A CN109550936 A CN 109550936A CN 201811580477 A CN201811580477 A CN 201811580477A CN 109550936 A CN109550936 A CN 109550936A
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- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 122
- 239000000843 powder Substances 0.000 title claims abstract description 100
- 238000002360 preparation method Methods 0.000 title claims description 28
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000011777 magnesium Substances 0.000 claims abstract description 18
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 18
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 16
- 239000011701 zinc Substances 0.000 claims abstract description 16
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 15
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052790 beryllium Inorganic materials 0.000 claims abstract description 15
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 15
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000000889 atomisation Methods 0.000 claims abstract description 14
- 229910052796 boron Inorganic materials 0.000 claims abstract description 14
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 42
- 229910052863 mullite Inorganic materials 0.000 claims description 42
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 33
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 24
- 229910052759 nickel Inorganic materials 0.000 claims description 17
- 229910052702 rhenium Inorganic materials 0.000 claims description 16
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims description 16
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 16
- 229910052721 tungsten Inorganic materials 0.000 claims description 16
- 239000010937 tungsten Substances 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 15
- 229910052779 Neodymium Inorganic materials 0.000 claims description 14
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 238000003723 Smelting Methods 0.000 claims description 12
- 229910052786 argon Inorganic materials 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 12
- 239000010439 graphite Substances 0.000 claims description 12
- 229910002804 graphite Inorganic materials 0.000 claims description 12
- 239000001307 helium Substances 0.000 claims description 12
- 229910052734 helium Inorganic materials 0.000 claims description 12
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 12
- 238000005984 hydrogenation reaction Methods 0.000 claims description 12
- 239000011261 inert gas Substances 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims 1
- 239000004615 ingredient Substances 0.000 abstract description 12
- 239000000126 substance Substances 0.000 abstract description 12
- 229910045601 alloy Inorganic materials 0.000 abstract description 9
- 239000000956 alloy Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012216 screening Methods 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 8
- 229910000323 aluminium silicate Inorganic materials 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical group O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 229910052735 hafnium Inorganic materials 0.000 description 2
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B22F1/0003—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
-
- 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
- C22C23/04—Alloys based on magnesium with zinc or cadmium as the next major constituent
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention discloses a kind of magnesium alloy powders, and according to parts by weight, magnesium alloy powder includes the chemical component of following parts by weight: 40~60 parts by weight of magnesium；3~5 parts by weight of zinc；0.5~1 parts by weight of zirconium；0.4~0.8 parts by weight of beryllium；0.1~0.5 parts by weight of boron.Magnesium alloy powder of the invention, by being optimized to its magnesium alloy chemical ingredient, the internal structure of magnesium alloy is improved in microcosmic degree, and use atomization production, advantageously reduce the generation of non-metallic inclusion, the comprehensive performance for improving alloy, makes it have excellent intensity, wearability, hardness and high temperature resistance.
Description
Technical field
The present invention relates to a kind of alloy powders, more particularly to a kind of magnesium alloy powder and preparation method thereof.
Background technique
Magnesium alloy is that the alloy of other elements composition is added, is the third class weight after steel and aluminium alloy using magnesium as base
The structural metallic materials wanted.Magnesium alloy is due to light, high specific strength, high specific stiffness, damping, good electromagnetic wave shielding
And the advantages of capability of resistance to radiation, therefore play and focus in fields such as automobile, electronic apparatus, traffic, aerospace and defence and militaries
The effect wanted.Common Elevated Temperature Mechanical Properties of Mg Alloys is poor, when the temperature increases, its intensity sharp fall, thus it
It is difficult to use for a long time at high temperature.The mechanical behavior under high temperature for improving magnesium alloy is the important topic of nearly 30 years magnesium alloys research.
Furthermore as structural material in use, since hardness, intensity and wearability are not ideal enough, application is greatly limited magnesium alloy
System.
Summary of the invention
In view of the above shortcomings, it is an object of the invention to develop a magnesium alloy powder, magnesium alloy may make to have
High hardness, intensity, wearability and enough high temperature resistances.
Technical solution of the present invention is summarized as follows:
A kind of magnesium alloy powder, wherein according to parts by weight, the magnesium alloy powder include following parts by weight chemistry at
Point:
Preferably, the magnesium alloy powder, wherein further include the rhenium of 0.1~0.5 parts by weight.
Preferably, the magnesium alloy powder, wherein further include the neodymium of 0.2~0.4 parts by weight.
Preferably, the magnesium alloy powder, wherein further include the shepardite of 16~18 parts by weight.
Preferably, the magnesium alloy powder, wherein further include the mullite of 3~5 parts by weight.
Preferably, the magnesium alloy powder, wherein further include the nickel of 0.1~0.3 parts by weight.
Preferably, the magnesium alloy powder, wherein further include the tungsten of 0.5~0.8 parts by weight.
A kind of preparation method of magnesium alloy powder, wherein the preparation method comprises the following steps:
1) shepardite and mullite are weighed according to the ratio, and shepardite and mullite are crushed with pulverizer, then carried out
Screening；
2) shepardite crushed and screened and mullite are mixed with magnesium, zinc, zirconium, beryllium, boron, rhenium, neodymium, nickel, tungsten, is mixed
Close ingredient；
3) forvacuum processing is carried out to working chamber and spray chamber, is then charged with argon gas and helium mix inert gas；
4) melting is carried out to mix using graphite crucible, forms magnesium alloy fused mass；
5) atomization is carried out to magnesium alloy fused mass using the double-deck atomizer and powder is made in hydrogenation；
6) after the powder is cooling, minute spherical magnesium alloy powder is collected through cyclonic separation.
Preferably, the preparation method of the magnesium alloy powder, wherein in the step 4) smelting temperature be 1650~
1750℃。
Preferably, the preparation method of the magnesium alloy powder, wherein the magnesium alloy powder average grain diameter D50 is
60~80 μm.
The beneficial effects of the present invention are:
(1) magnesium alloy powder of the invention is improved in microcosmic degree by optimizing to its magnesium alloy chemical ingredient
The internal structure of magnesium alloy, and atomization production is used, the generation of non-metallic inclusion is advantageously reduced, the comprehensive of alloy is improved
Performance is closed, excellent intensity, wearability, hardness and high temperature resistance are made it have.
(2) magnesium alloy powder of the invention improves processing performance by the way that zinc is added；Zirconium surface easily forms layer oxide film, has
Corrosion resistance；The mechanical performance and corrosion resistance of magnesium alloy are improved by the way that beryllium is added；The hard of magnesium alloy is improved by the way that boron is added
Degree and heat-resistant antifriction；The creep strength of magnesium high temperature alloy is promoted by the way that rhenium is added；Improve the anti-corruption of magnesium alloy by the way that hafnium is added
Corrosion energy；The density of magnesium alloy, corrosion-resistant and thermal shock resistance are improved by the way that shepardite is added；Magnesium is improved by the way that mullite is added
The high temperature resistance and intensity of alloy；The toughness of magnesium alloy is improved by the way that nickel is added；By be added tungsten improve magnesium alloy hardness,
Wearability.
Specific embodiment
The present invention will be further described in detail below with reference to the embodiments, to enable those skilled in the art referring to specification
Text can be implemented accordingly.
This case proposes a kind of magnesium alloy powder, according to parts by weight, magnesium alloy powder include following parts by weight chemistry at
Point:
Processing performance is improved by the way that zinc is added；Zirconium surface easily forms layer oxide film, has gloss, there is corrosion resistance；It is logical
It crosses and mechanical performance and corrosion resistance that beryllium improves magnesium alloy is added；The hardness and heat-resistant antifriction of magnesium alloy are improved by the way that boron is added
Property, enhance gloss, surface smoothness is turned up.
As the another embodiment of this case, wherein further include the rhenium of 0.1~0.5 parts by weight.Magnesium high temperature is promoted by the way that rhenium is added
The creep strength of alloy.
As the another embodiment of this case, wherein further include the neodymium of 0.2~0.4 parts by weight.Improve magnesium alloy by the way that hafnium is added
Corrosion resistance.
As the another embodiment of this case, wherein further include the shepardite of 16~18 parts by weight.Shepardite forms (wB%):
MgO 69.12, H2O 30.88.Often with the presence of impurity such as Fe, Mn, Zn, Ni with isomorphism.Magnesium is improved by the way that shepardite is added
The density of alloy, corrosion-resistant and thermal shock resistance.
As the another embodiment of this case, wherein further include the mullite of 3~5 parts by weight.Mullite is aluminosilicate in height
The lower mineral generated of temperature, when Heat artificially aluminosilicate, will form mullite, natural mullite crystal be it is elongated needle-shaped and
In radiation tufted.Mullite mine is used to production high-temperature refractory.The heat-resisting quantity of magnesium alloy is improved by the way that mullite is added
Energy and intensity.
As the another embodiment of this case, wherein further include the nickel of 0.1~0.3 parts by weight.The toughness of alloy is by binding metal
It determines, binding metal content is higher, and bending strength is bigger, and the toughness of magnesium alloy is improved by the way that nickel is added.
As the another embodiment of this case, wherein further include the tungsten of 0.5~0.8 parts by weight.Magnesium alloy is improved by the way that tungsten is added
Hardness, wearability.
A kind of preparation method of magnesium alloy powder, wherein preparation method the following steps are included:
1) shepardite and mullite are weighed according to the ratio, and shepardite and mullite are crushed with pulverizer, then carried out
Screening；
2) shepardite crushed and screened and mullite are mixed with magnesium, zinc, zirconium, beryllium, boron, rhenium, neodymium, nickel, tungsten, is mixed
Close ingredient；
3) forvacuum processing is carried out to working chamber and spray chamber, is then charged with argon gas and helium mix inert gas；
4) melting is carried out to mix using graphite crucible, smelting temperature is 1650~1750, forms magnesium alloy fused mass；
5) atomization is carried out to magnesium alloy fused mass using the double-deck atomizer and powder is made in hydrogenation；
6) after the powder is cooling, minute spherical magnesium alloy powder is collected through cyclonic separation, average grain diameter D50 is 60~80
μm。
Specific embodiment and comparative example is listed below:
Embodiment 1:
A kind of magnesium alloy powder, according to parts by weight, magnesium alloy powder include the chemical component of following parts by weight:
The preparation method of magnesium alloy powder, comprising the following steps:
1) shepardite and mullite are weighed according to the ratio, and shepardite and mullite are crushed with pulverizer, then carried out
Screening；
2) shepardite crushed and screened and mullite are mixed with magnesium, zinc, zirconium, beryllium, boron, rhenium, neodymium, nickel, tungsten, is mixed
Close ingredient；
3) forvacuum processing is carried out to working chamber and spray chamber, is then charged with argon gas and helium mix inert gas；
4) melting is carried out to mix using graphite crucible, smelting temperature is 1650 DEG C, forms magnesium alloy fused mass；
5) atomization is carried out to magnesium alloy fused mass using the double-deck atomizer and powder is made in hydrogenation；
6) after the powder is cooling, minute spherical magnesium alloy powder is collected through cyclonic separation, average grain diameter D50 is 60~80
μm。
Embodiment 2:
A kind of magnesium alloy powder, according to parts by weight, magnesium alloy powder include the chemical component of following parts by weight:
The preparation method of magnesium alloy powder, preparation method the following steps are included:
1) shepardite and mullite are weighed according to the ratio, and shepardite and mullite are crushed with pulverizer, then carried out
Screening；
2) shepardite crushed and screened and mullite are mixed with magnesium, zinc, zirconium, beryllium, boron, rhenium, neodymium, nickel, tungsten, is mixed
Close ingredient；
3) forvacuum processing is carried out to working chamber and spray chamber, is then charged with argon gas and helium mix inert gas；
4) melting is carried out to mix using graphite crucible, smelting temperature is 1700 DEG C, forms magnesium alloy fused mass；
5) atomization is carried out to magnesium alloy fused mass using the double-deck atomizer and powder is made in hydrogenation；
6) after the powder is cooling, minute spherical magnesium alloy powder is collected through cyclonic separation, average grain diameter D50 is 60~80
μm。
Embodiment 3:
A kind of magnesium alloy powder, according to parts by weight, magnesium alloy powder include the chemical component of following parts by weight:
The preparation method of magnesium alloy powder, preparation method the following steps are included:
1) shepardite and mullite are weighed according to the ratio, and shepardite and mullite are crushed with pulverizer, then carried out
Screening；
2) shepardite crushed and screened and mullite are mixed with magnesium, zinc, zirconium, beryllium, boron, rhenium, neodymium, nickel, tungsten, is mixed
Close ingredient；
3) forvacuum processing is carried out to working chamber and spray chamber, is then charged with argon gas and helium mix inert gas；
4) melting is carried out to mix using graphite crucible, smelting temperature is 1650~1750 DEG C, and it is molten to form magnesium alloy
Body；
5) atomization is carried out to magnesium alloy fused mass using the double-deck atomizer and powder is made in hydrogenation；
6) after the powder is cooling, minute spherical magnesium alloy powder is collected through cyclonic separation, average grain diameter D50 is 60~80
μm。
Comparative example 1:
A kind of magnesium alloy powder, according to parts by weight, magnesium alloy powder include the chemical component of following parts by weight:
The preparation method of magnesium alloy powder, comprising the following steps:
1) shepardite and mullite are weighed according to the ratio, and shepardite and mullite are crushed with pulverizer, then carried out
Screening；
2) shepardite crushed and screened and mullite are mixed with magnesium, zinc, zirconium, beryllium, rhenium, neodymium, nickel, tungsten, is mixed
Ingredient；
3) forvacuum processing is carried out to working chamber and spray chamber, is then charged with argon gas and helium mix inert gas；
4) melting is carried out to mix using graphite crucible, smelting temperature is 1650 DEG C, forms magnesium alloy fused mass；
5) atomization is carried out to magnesium alloy fused mass using the double-deck atomizer and powder is made in hydrogenation；
6) after the powder is cooling, minute spherical magnesium alloy powder is collected through cyclonic separation, average grain diameter D50 is 60~80
μm。
Comparative example 2:
A kind of magnesium alloy powder, according to parts by weight, magnesium alloy powder include the chemical component of following parts by weight:
The preparation method of magnesium alloy powder, comprising the following steps:
1) shepardite and mullite are weighed according to the ratio, and shepardite and mullite are crushed with pulverizer, then carried out
Screening；
2) shepardite crushed and screened and mullite are mixed with magnesium, zinc, zirconium, beryllium, boron, neodymium, nickel, tungsten, is mixed
Ingredient；
3) forvacuum processing is carried out to working chamber and spray chamber, is then charged with argon gas and helium mix inert gas；
4) melting is carried out to mix using graphite crucible, smelting temperature is 1650 DEG C, forms magnesium alloy fused mass；
5) atomization is carried out to magnesium alloy fused mass using the double-deck atomizer and powder is made in hydrogenation；
6) after the powder is cooling, minute spherical magnesium alloy powder is collected through cyclonic separation, average grain diameter D50 is 60~80
μm。
Comparative example 3:
A kind of magnesium alloy powder, according to parts by weight, magnesium alloy powder include the chemical component of following parts by weight:
The preparation method of magnesium alloy powder, preparation method the following steps are included:
1) shepardite and mullite are weighed according to the ratio, and shepardite and mullite are crushed with pulverizer, then carried out
Screening；
2) shepardite crushed and screened and mullite are mixed with magnesium, zinc, zirconium, beryllium, boron, rhenium, nickel, tungsten, is mixed
Ingredient；
3) forvacuum processing is carried out to working chamber and spray chamber, is then charged with argon gas and helium mix inert gas；
4) melting is carried out to mix using graphite crucible, smelting temperature is 1700 DEG C, forms magnesium alloy fused mass；
5) atomization is carried out to magnesium alloy fused mass using the double-deck atomizer and powder is made in hydrogenation；
6) after the powder is cooling, minute spherical magnesium alloy powder is collected through cyclonic separation, average grain diameter D50 is 60~80
μm。
Comparative example 4:
A kind of magnesium alloy powder, according to parts by weight, magnesium alloy powder include the chemical component of following parts by weight:
The preparation method of magnesium alloy powder, preparation method the following steps are included:
1) shepardite is weighed according to the ratio, and shepardite is crushed with pulverizer, is then sieved；
2) shepardite crushed and screened is mixed with magnesium, zinc, zirconium, beryllium, boron, rhenium, neodymium, nickel, tungsten, obtains mix；
3) forvacuum processing is carried out to working chamber and spray chamber, is then charged with argon gas and helium mix inert gas；
4) melting is carried out to mix using graphite crucible, smelting temperature is 1700 DEG C, forms magnesium alloy fused mass；
5) atomization is carried out to magnesium alloy fused mass using the double-deck atomizer and powder is made in hydrogenation；
6) after the powder is cooling, minute spherical magnesium alloy powder is collected through cyclonic separation, average grain diameter D50 is 60~80
μm。
Comparative example 5:
A kind of magnesium alloy powder, according to parts by weight, magnesium alloy powder include the chemical component of following parts by weight:
The preparation method of magnesium alloy powder, preparation method the following steps are included:
1) shepardite and mullite are weighed according to the ratio, and shepardite and mullite are crushed with pulverizer, then carried out
Screening；
2) shepardite crushed and screened and mullite are mixed with magnesium, zinc, zirconium, beryllium, boron, rhenium, neodymium, tungsten, is mixed
Ingredient；
3) forvacuum processing is carried out to working chamber and spray chamber, is then charged with argon gas and helium mix inert gas；
4) melting is carried out to mix using graphite crucible, smelting temperature is 1650~1750 DEG C, and it is molten to form magnesium alloy
Body；
5) atomization is carried out to magnesium alloy fused mass using the double-deck atomizer and powder is made in hydrogenation；
6) after the powder is cooling, minute spherical magnesium alloy powder is collected through cyclonic separation, average grain diameter D50 is 60~80
μm。
Comparative example 6:
A kind of magnesium alloy powder, according to parts by weight, magnesium alloy powder include the chemical component of following parts by weight:
The preparation method of magnesium alloy powder, preparation method the following steps are included:
1) shepardite and mullite are weighed according to the ratio, and shepardite and mullite are crushed with pulverizer, then carried out
Screening；
2) by the shepardite crushed and screened and mullite and magnesium, zinc, zirconium, beryllium, boron, rhenium, neodymium, nickel, mix, mixed
Ingredient；
3) forvacuum processing is carried out to working chamber and spray chamber, is then charged with argon gas and helium mix inert gas；
4) melting is carried out to mix using graphite crucible, smelting temperature is 1650~1750 DEG C, and it is molten to form magnesium alloy
Body；
5) atomization is carried out to magnesium alloy fused mass using the double-deck atomizer and powder is made in hydrogenation；
6) after the powder is cooling, minute spherical magnesium alloy powder is collected through cyclonic separation, average grain diameter D50 is 60~80
μm。
The performance test results of Examples 1 to 3 and comparative example 1~6 are listed below:
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details.
Claims (10)
1. a kind of magnesium alloy powder, which is characterized in that according to parts by weight, the magnesium alloy powder includes the change of following parts by weight
It studies point:
2. magnesium alloy powder according to claim 1, which is characterized in that further include the rhenium of 0.1~0.5 parts by weight.
3. magnesium alloy powder according to claim 1, which is characterized in that further include the neodymium of 0.2~0.4 parts by weight.
4. magnesium alloy powder according to claim 1, which is characterized in that further include the shepardite of 16~18 parts by weight.
5. magnesium alloy powder according to claim 1, which is characterized in that further include the mullite of 3~5 parts by weight.
6. magnesium alloy powder according to claim 1, which is characterized in that further include the nickel of 0.1~0.3 parts by weight.
7. magnesium alloy powder according to claim 1, which is characterized in that further include the tungsten of 0.5~0.8 parts by weight.
8. the preparation method of described in any item magnesium alloy powders according to claim 1~7, which is characterized in that the preparation side
Method the following steps are included:
1) shepardite and mullite are weighed according to the ratio, and shepardite and mullite are crushed with pulverizer, then sieved；
2) shepardite crushed and screened and mullite are mixed with magnesium, zinc, zirconium, beryllium, boron, rhenium, neodymium, nickel, tungsten, obtains mixing and matches
Material；
3) forvacuum processing is carried out to working chamber and spray chamber, is then charged with argon gas and helium mix inert gas；
4) melting is carried out to mix using graphite crucible, forms magnesium alloy fused mass；
5) atomization is carried out to magnesium alloy fused mass using the double-deck atomizer and powder is made in hydrogenation；
6) after the powder is cooling, minute spherical magnesium alloy powder is collected through cyclonic separation.
9. the preparation method of magnesium alloy powder according to claim 8, which is characterized in that smelting temperature in the step 4)
It is 1650~1750 DEG C.
10. the preparation method of magnesium alloy powder according to claim 8, which is characterized in that the magnesium alloy powder is average
Partial size D50 is 60~80 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811580477.6A CN109550936A (en) | 2018-12-24 | 2018-12-24 | Magnesium alloy powder and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811580477.6A CN109550936A (en) | 2018-12-24 | 2018-12-24 | Magnesium alloy powder and preparation method thereof |
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