CN106756290A - A kind of 3D printing preparation method of AlSi10Mg aluminium alloy superfine powders - Google Patents
A kind of 3D printing preparation method of AlSi10Mg aluminium alloy superfine powders Download PDFInfo
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- CN106756290A CN106756290A CN201611097367.5A CN201611097367A CN106756290A CN 106756290 A CN106756290 A CN 106756290A CN 201611097367 A CN201611097367 A CN 201611097367A CN 106756290 A CN106756290 A CN 106756290A
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- 239000000843 powder Substances 0.000 title claims description 87
- 229910003407 AlSi10Mg Inorganic materials 0.000 title claims description 61
- 229910000838 Al alloy Inorganic materials 0.000 title claims description 51
- 238000010146 3D printing Methods 0.000 title claims description 18
- 238000002360 preparation method Methods 0.000 title claims description 10
- 238000000889 atomisation Methods 0.000 claims description 25
- 238000012216 screening Methods 0.000 claims description 20
- 230000004913 activation Effects 0.000 claims description 15
- 229910045601 alloy Inorganic materials 0.000 claims description 14
- 239000000956 alloy Substances 0.000 claims description 14
- 239000011777 magnesium Substances 0.000 claims description 12
- 239000004744 fabric Substances 0.000 claims description 9
- 229910052749 magnesium Inorganic materials 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 239000004411 aluminium Substances 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 6
- KMWBBMXGHHLDKL-UHFFFAOYSA-N [AlH3].[Si] Chemical compound [AlH3].[Si] KMWBBMXGHHLDKL-UHFFFAOYSA-N 0.000 claims description 3
- 238000009689 gas atomisation Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000003595 mist Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 15
- 238000001994 activation Methods 0.000 description 12
- 238000002844 melting Methods 0.000 description 10
- 230000008018 melting Effects 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 235000012041 food component Nutrition 0.000 description 4
- 239000005417 food ingredient Substances 0.000 description 4
- 230000008676 import Effects 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910052745 lead Inorganic materials 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 229910052718 tin Inorganic materials 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910001111 Fine metal Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- 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
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention belongs to metal and alloy powder preparing technical field, it is related to a kind of preparation method of 3D printing AlSi10Mg aluminium alloy superfine powders.Characterized in that, the step of preparing is as follows：Ultrasonic gas atomisation and ultrasonic activation are sieved.The present invention provides a kind of preparation method of AlSi10Mg aluminium alloy superfine powders suitable for 3D printing using home equipment condition.Powder prepared by the method has that process contamination is small, purity is high, oxygen content is low, Task-size Controlling is accurate and low cost and other advantages, can not only meet the requirement of 3D printing technique, and can realize the replacement to import powder.
Description
Technical field
The invention belongs to metal and alloy powder preparing technical field, it is related to a kind of 3D printing AlSi10Mg aluminium alloys to surpass
The preparation method of fine powder.
Background technology
Selective laser melt forming technique (Selective Laser Melting, SLM) be a kind of current comparative maturity,
The 3D printing technique (Additive Manufacturing, AM) of commercial applications is realized.The technology is with super-fine metal powder
End for raw material, automatically controlled using 3D CAD digital-to-analogues and special laser-light beam energy equipment, powdering and fusing layer by layer, manufacture zero (portion)
The advanced technologies of part.The technology can be used to hollow direct forming, thin-walled, complex-shaped, dot matrix topological structure zero (portion) part.Swash
The fusing sweep speed of light selective melting forming technique generally reaches 500mm/s~2000mm/s, and 20 μm of individual layer powder thickness~
100 μm, scanning depth of fusion (spacing)~170 μm.Cooldown rate after powder fusing generally reaches 104K/s~105K/s.For
Ensure the mechanical property of product, it is desirable to use superfine alloy powder.
Current AlSi10Mg aluminium alloys superfine powder has been widely used in 3D printing field, but domestic 3D printing AlSi10Mg
Aluminium alloy superfine powder all relies on import.By retrieval, do not find to be prepared on 3D printing AlSi10Mg aluminium alloys superfine powder
The open source literature of method and corresponding process parameters.Therefore, the present invention is wanted for 3D printing to AlSi10Mg aluminium alloy superfine powders
Ask, using domestic vacuum atomizing stove, the ultrasonic vibration screening machine of independent research, by carrying out a series of experiment and excessively program control
System research, has groped the preparation method and its technological parameter of 3D printing AlSi10Mg aluminium alloy superfine powders, realizes the powder
Preparation.Tested by 3D printing, demonstrate the AlSi10Mg aluminium alloy superfine powders prepared using the method and disclosure satisfy that 3D beats
Print technological requirement, so as to solve import powder high cost, the problems such as procurement cycle is long.
The content of the invention
The purpose of the present invention is：Using home equipment condition, there is provided a kind of 3D printing AlSi10Mg aluminium alloy superfine powders
Preparation method.AlSi10Mg aluminium alloys superfine powder prepared by the method can not only meet the requirement of 3D printing technique, and
The characteristics of there is low cost compared to import powder, it is possible to achieve to the replacement of import powder.
The technical scheme is that：A kind of 3D printing preparation method of AlSi10Mg aluminium alloy superfine powders, it is prepared
The percentage by weight of AlSi10Mg each compositions of aluminium alloy superfine powder be：Si：9%~11%；Mg：0.25%~0.45%；Al：
Surplus；Impurity content is：O：≤ 0.12%；Fe：≤ 0.55%；Ti：≤ 0.15%；Zn：≤ 0.10%；Cu：≤
0.05%；Ni：≤ 0.05%；Mn：≤ 0.45%；Pb：≤ 0.05%；Sn：≤ 0.05%；Characterized in that, the step of preparing
It is as follows：
1st, ultrasonic gas atomisation：Using refined aluminium ingot, primary magnesium ingot, aluminium silicon intermediate alloy ingot prepared furnace charge, using vacuum
Atomizing furnace realizes that alloy molten solution is atomized, and atomization temperature is 740 DEG C~820 DEG C, and atomizing pressure is 1MPa~3MPa, is obtained
The atomization original powder of AlSi10Mg aluminium alloy superfine powders；
2nd, ultrasonic activation screening：Atomization using ultrasonic activation screening plant to AlSi10Mg aluminium alloy superfine powders is former
Powder is sieved.Specification from stainless steel mesh is 250 mesh, 270 mesh, 300 mesh, 325 mesh and 500 mesh.To screen cloth during screening
Apply ultrasonic activation, AlSi10Mg aluminium alloy superfine powders are obtained after screening.
It is an advantage of the invention that：Using home equipment condition, there is provided a kind of AlSi10Mg aluminium suitable for 3D printing is closed
The preparation method of golden superfine powder.Powder prepared by the method has that process contamination is small, purity is high, oxygen content is low, Task-size Controlling
Accurate and low cost and other advantages, can meet the requirement of 3D printing technique.
Brief description of the drawings
Fig. 1 be the present invention prepare AlSi10Mg aluminium alloy superfine powders SEM under observe pattern
(500X)。
Specific embodiment
The present invention is described in further details below.A kind of 3D printing preparation side of AlSi10Mg aluminium alloy superfine powders
Method, the percentage by weight of prepared AlSi10Mg each compositions of aluminium alloy superfine powder is：Si：9%~11%；Mg：0.25%~
0.45%；Al：Surplus；Impurity content is：O：≤ 0.12%；Fe：≤ 0.55%；Ti：≤ 0.15%；Zn：≤ 0.10%；
Cu：≤ 0.05%；Ni：≤ 0.05%；Mn：≤ 0.45%；Pb：≤ 0.05%；Sn：≤ 0.05%；Characterized in that, prepare
Step is as follows：
1st, ultrasonic gas atomisation：By food ingredient, stove is prepared using refined aluminium ingot, primary magnesium ingot, aluminium silicon intermediate alloy ingot
Material.Using vacuum atomizing stove, formerly vacuumize and be subject to carry out melting to furnace charge in the atmosphere of high-purity nitrogen gas shielded.Melting is filled
After point, alloy molten solution atomization is carried out using high-purity nitrogen.Atomization temperature be 740 DEG C~820 DEG C, atomizing pressure be 1MPa~
3MPa.So as to obtain the atomization original powder of AlSi10Mg aluminium alloy superfine powders.
2nd, ultrasonic activation screening：Atomization using ultrasonic activation screening plant to AlSi10Mg aluminium alloy superfine powders is former
Powder is sieved.Requirement according to user to powder size, is sieved using the standard stainless steel mesh of dimension.Generally
Screening group is mixed into from 250 mesh, 270 mesh, 300 mesh or 325 mesh and 500 mesh stainless steel mesh.This screening group by two kinds not
The screen cloth of same specification assembles according to the order of " ascending according to mesh size from bottom to top ".Apply 90 by screen cloth face
~100Hz ultrasonic activations, final obtain " screenings of big mesh size screen cloth, the oversize of small mesh size screen cloth " is 3D
Printing AlSi10Mg aluminium alloy superfine powders.
Embodiment 1
By food ingredient, using refined aluminium ingot (purity >=99.99%), primary magnesium ingot (purity >=99.95%) and AlSi12A
Intermediate alloy ingot (Si contents are 12%) prepared furnace charge.Using vacuum atomizing stove, high-purity nitrogen guarantor is formerly vacuumized and is subject to
Melting is carried out to furnace charge in the atmosphere of shield.After melting is abundant, alloy molten solution atomization is carried out using high-purity nitrogen.Atomization temperature is
800 DEG C, atomizing pressure is 2.5MPa.So as to obtain the atomization original powder of AlSi10Mg aluminium alloy superfine powders.
After the completion of atomization, the atomization original powder of AlSi10Mg aluminium alloy superfine powders is carried out using ultrasonic activation screening plant
Screening.Requirement according to user to powder size, from 300 mesh and 500 mesh stainless steel mesh, according to 500 eye mesh screens under,
300 eye mesh screens install screen cloth in upper order.Under the ultrasonic activation of 99.9Hz frequencies, atomized powder is sieved, obtain-
The AlSi10Mg aluminium alloy superfine powders of the mesh specification of 300 mesh+500.
According to HB 6731 specify method determine AlSi10Mg aluminium alloy superfine powders in Si, Mg, Fe, Ti, Zn, Cu, Ni,
Mn, Pb, Sn constituent content, the method specified according to GB/T 5158.4 determine the O content in AlSi10Mg aluminium alloy superfine powders；
The granularity of AlSi10Mg aluminium alloy superfine powders is detected using the type laser particle size analyzers of Mastersizer 2000.
Table 1 is the chemical composition measured result of AlSi10Mg powder, and table 2 is the granularity measured result of AlSi10Mg powder.
The chemical composition of the AlSi10Mg aluminium alloy superfine powders of table 1
The granularity of the AlSi10Mg aluminium alloy superfine powders of table 2
| The trade mark | d(0.1)/μm | d(0.5)/μm | d(0.9)/μm |
| AlSi10Mg | 17.010 | 31.387 | 52.331 |
Embodiment 2
By food ingredient, using refined aluminium ingot (purity >=99.99%), primary magnesium ingot (purity >=99.95%) and AlSi12A
Intermediate alloy ingot (Si contents are 12%) prepared furnace charge.Using vacuum atomizing stove, high-purity nitrogen guarantor is formerly vacuumized and is subject to
Melting is carried out to furnace charge in the atmosphere of shield.After melting is abundant, alloy molten solution atomization is carried out using high-purity nitrogen.Atomization temperature is
740 DEG C, atomizing pressure is 1.5MPa.So as to obtain the atomization original powder of AlSi10Mg aluminium alloy superfine powders.
After the completion of atomization, the atomization original powder of AlSi10Mg aluminium alloy superfine powders is carried out using ultrasonic activation screening plant
Screening.Requirement according to user to powder size, from 250 mesh and 500 mesh stainless steel mesh, according to 500 eye mesh screens under,
250 eye mesh screens install screen cloth in upper order.Under the ultrasonic activation of 90Hz frequencies, atomized powder is sieved, obtain -250
The AlSi10Mg aluminium alloy superfine powders of the mesh specification of mesh+500.
According to HB 6731 specify method determine AlSi10Mg aluminium alloy superfine powders in Si, Mg, Fe, Ti, Zn, Cu, Ni,
Mn, Pb, Sn constituent content, the method specified according to GB/T 5158.4 determine the O content in AlSi10Mg aluminium alloy superfine powders；
The granularity of AlSi10Mg aluminium alloy superfine powders is detected using the type laser particle size analyzers of Mastersizer 2000.
Table 3 is the chemical composition measured result of AlSi10Mg powder, and table 4 is the granularity measured result of AlSi10Mg powder.
The chemical composition of the AlSi10Mg aluminium alloy superfine powders of table 3
The granularity of the AlSi10Mg aluminium alloy superfine powders of table 4
| The trade mark | d(0.1)/μm | d(0.5)/μm | d(0.9)/μm |
| AlSi10Mg | 21.270 | 38.924 | 66.275 |
Embodiment 3
By food ingredient, using refined aluminium ingot (purity >=99.99%), primary magnesium ingot (purity >=99.95%) and AlSi12A
Intermediate alloy ingot (Si contents are 12%) prepared furnace charge.Using vacuum atomizing stove, high-purity nitrogen guarantor is formerly vacuumized and is subject to
Melting is carried out to furnace charge in the atmosphere of shield.After melting is abundant, alloy molten solution atomization is carried out using high-purity nitrogen.Atomization temperature is
820 DEG C, atomizing pressure is 3.0MPa.So as to obtain the atomization original powder of AlSi10Mg aluminium alloy superfine powders.
After the completion of atomization, the atomization original powder of AlSi10Mg aluminium alloy superfine powders is carried out using ultrasonic activation screening plant
Screening.Requirement according to user to powder size, from 270 mesh and 500 mesh stainless steel mesh, according to 500 eye mesh screens under,
270 eye mesh screens install screen cloth in upper order.Under the ultrasonic activation of 99Hz frequencies, atomized powder is sieved, obtain -270
The AlSi10Mg aluminium alloy superfine powders of the mesh specification of mesh+500.
According to HB 6731 specify method determine AlSi10Mg aluminium alloy superfine powders in Si, Mg, Fe, Ti, Zn, Cu, Ni,
Mn, Pb, Sn constituent content, the method specified according to GB/T 5158.4 determine the O content in AlSi10Mg aluminium alloy superfine powders；
The granularity of AlSi10Mg aluminium alloy superfine powders is detected using the type laser particle size analyzers of Mastersizer 2000.
Table 5 is the chemical composition measured result of AlSi10Mg powder, and table 6 is the granularity measured result of AlSi10Mg powder.
The chemical composition of the AlSi10Mg aluminium alloy superfine powders of table 5
The granularity of the AlSi10Mg aluminium alloy superfine powders of table 6
| The trade mark | d(0.1)/μm | d(0.5)/μm | d(0.9)/μm |
| AlSi10Mg | 17.197 | 33.997 | 59.480 |
Claims (1)
1. a kind of 3D printing preparation method of AlSi10Mg aluminium alloy superfine powders, prepared AlSi10Mg aluminium alloy superfine powders
The percentage by weight of each composition is：Si：9%~11%；Mg：0.25%~0.45%；Al：Surplus；Impurity content is：O：
≤ 0.12%；Fe：≤ 0.55%；Ti：≤ 0.15%；Zn：≤ 0.10%；Cu：≤ 0.05%；Ni：≤ 0.05%；Mn：≤
0.45%；Pb：≤ 0.05%；Sn：≤ 0.05%；Characterized in that, the step of preparing is as follows：
1.1st, ultrasonic gas atomisation：Using refined aluminium ingot, primary magnesium ingot, aluminium silicon intermediate alloy ingot prepared furnace charge, using vacuum mist
Change stove and realize that alloy molten solution is atomized, atomization temperature is 740 DEG C~820 DEG C, and atomizing pressure is 1MPa~3MPa, obtains AlSi10Mg
The atomization original powder of aluminium alloy superfine powder；
1.2nd, ultrasonic activation screening：The former powder of atomization using ultrasonic activation screening plant to AlSi10Mg aluminium alloy superfine powders
Sieved.Specification from stainless steel mesh is 250 mesh, 270 mesh, 300 mesh, 325 mesh and 500 mesh.Screen cloth is applied during screening
Plus ultrasonic activation, AlSi10Mg aluminium alloy superfine powders are obtained after screening.
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| CN201611097367.5A CN106756290A (en) | 2016-12-02 | 2016-12-02 | A kind of 3D printing preparation method of AlSi10Mg aluminium alloy superfine powders |
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| CN106756290A true CN106756290A (en) | 2017-05-31 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695338A (en) * | 2017-09-21 | 2018-02-16 | 北京宝航新材料有限公司 | A kind of AlSi7Mg dusty materials and preparation method thereof and its application |
| CN109280820A (en) * | 2018-10-26 | 2019-01-29 | 中国航发北京航空材料研究院 | A kind of high-strength aluminum alloy for additive manufacturing and preparation method of powder thereof |
| CN109434096A (en) * | 2018-12-07 | 2019-03-08 | 南昌大学 | A kind of enhancement type nanometer WC/AlSi10Mg composite powder and increasing material manufacturing technique |
| CN109877458A (en) * | 2018-11-30 | 2019-06-14 | 沈阳工业大学 | Alloy powder and repair method of cast aluminum radiator laser welding blast hole laser additive repair |
| CN110408824A (en) * | 2019-09-03 | 2019-11-05 | 中国工程物理研究院机械制造工艺研究所 | A kind of high strength alumin ium alloy suitable for 3D printing |
| CN111644630A (en) * | 2020-05-29 | 2020-09-11 | 同济大学 | Aluminum-silicon alloy powder for 3D printing and preparation method thereof |
| CN111976831A (en) * | 2020-08-13 | 2020-11-24 | 北京新能源汽车股份有限公司 | 3D printed steering knuckle, manufacturing method, suspension system and automobile |
| CN111994168A (en) * | 2020-08-13 | 2020-11-27 | 北京新能源汽车股份有限公司 | 3D printed steering knuckle, manufacturing method, suspension system and automobile |
| CN112009566A (en) * | 2020-08-13 | 2020-12-01 | 北京新能源汽车股份有限公司 | 3D printed steering knuckle, manufacturing method, suspension system and automobile |
| CN112045189A (en) * | 2020-08-13 | 2020-12-08 | 北京新能源汽车股份有限公司 | Automobile part manufacturing method, automobile part and automobile |
| CN116144988A (en) * | 2023-02-07 | 2023-05-23 | 国营芜湖机械厂 | Aluminum alloy powder for additive manufacturing and preparation method thereof |
| CN116967466A (en) * | 2023-06-15 | 2023-10-31 | 中国航发北京航空材料研究院 | A method to improve room temperature/high temperature strength and high temperature durability of 3D printed aluminum alloys |
| CN117004850A (en) * | 2022-04-29 | 2023-11-07 | 有研金属复材技术有限公司 | Preparation method of AlSi10Mg aluminum alloy ultrafine powder for low-cost laser additive manufacturing |
| CN117604340A (en) * | 2023-12-20 | 2024-02-27 | 昆明理工大学 | Preparation method of AlSi10Mg alloy wire for additive manufacturing |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695338A (en) * | 2017-09-21 | 2018-02-16 | 北京宝航新材料有限公司 | A kind of AlSi7Mg dusty materials and preparation method thereof and its application |
| CN109280820A (en) * | 2018-10-26 | 2019-01-29 | 中国航发北京航空材料研究院 | A kind of high-strength aluminum alloy for additive manufacturing and preparation method of powder thereof |
| CN109280820B (en) * | 2018-10-26 | 2021-03-26 | 中国航发北京航空材料研究院 | A kind of high-strength aluminum alloy for additive manufacturing and preparation method of powder thereof |
| CN109877458A (en) * | 2018-11-30 | 2019-06-14 | 沈阳工业大学 | Alloy powder and repair method of cast aluminum radiator laser welding blast hole laser additive repair |
| CN109434096A (en) * | 2018-12-07 | 2019-03-08 | 南昌大学 | A kind of enhancement type nanometer WC/AlSi10Mg composite powder and increasing material manufacturing technique |
| CN110408824A (en) * | 2019-09-03 | 2019-11-05 | 中国工程物理研究院机械制造工艺研究所 | A kind of high strength alumin ium alloy suitable for 3D printing |
| CN111644630A (en) * | 2020-05-29 | 2020-09-11 | 同济大学 | Aluminum-silicon alloy powder for 3D printing and preparation method thereof |
| CN112009566A (en) * | 2020-08-13 | 2020-12-01 | 北京新能源汽车股份有限公司 | 3D printed steering knuckle, manufacturing method, suspension system and automobile |
| CN111994168A (en) * | 2020-08-13 | 2020-11-27 | 北京新能源汽车股份有限公司 | 3D printed steering knuckle, manufacturing method, suspension system and automobile |
| CN112045189A (en) * | 2020-08-13 | 2020-12-08 | 北京新能源汽车股份有限公司 | Automobile part manufacturing method, automobile part and automobile |
| CN111976831A (en) * | 2020-08-13 | 2020-11-24 | 北京新能源汽车股份有限公司 | 3D printed steering knuckle, manufacturing method, suspension system and automobile |
| CN111976831B (en) * | 2020-08-13 | 2023-08-22 | 北京新能源汽车股份有限公司 | Steering knuckle after 3D printing, manufacturing method, suspension system and automobile |
| CN112009566B (en) * | 2020-08-13 | 2023-08-29 | 北京新能源汽车股份有限公司 | Steering knuckle after 3D printing, manufacturing method, suspension system and automobile |
| CN111994168B (en) * | 2020-08-13 | 2023-09-01 | 北京新能源汽车股份有限公司 | Steering knuckle after 3D printing, manufacturing method, suspension system and automobile |
| CN117004850A (en) * | 2022-04-29 | 2023-11-07 | 有研金属复材技术有限公司 | Preparation method of AlSi10Mg aluminum alloy ultrafine powder for low-cost laser additive manufacturing |
| CN116144988A (en) * | 2023-02-07 | 2023-05-23 | 国营芜湖机械厂 | Aluminum alloy powder for additive manufacturing and preparation method thereof |
| CN116967466A (en) * | 2023-06-15 | 2023-10-31 | 中国航发北京航空材料研究院 | A method to improve room temperature/high temperature strength and high temperature durability of 3D printed aluminum alloys |
| CN117604340A (en) * | 2023-12-20 | 2024-02-27 | 昆明理工大学 | Preparation method of AlSi10Mg alloy wire for additive manufacturing |
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