CN108607984A - A kind of tungsten alloy 3D printing slurry and preparation method thereof - Google Patents
A kind of tungsten alloy 3D printing slurry and preparation method thereof Download PDFInfo
- Publication number
- CN108607984A CN108607984A CN201810696288.9A CN201810696288A CN108607984A CN 108607984 A CN108607984 A CN 108607984A CN 201810696288 A CN201810696288 A CN 201810696288A CN 108607984 A CN108607984 A CN 108607984A
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- Prior art keywords
- powder
- tungsten alloy
- printing
- preparation
- tungsten
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Classifications
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- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
- B22F1/107—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing organic material comprising solvents, e.g. for slip casting
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
- B22F1/103—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing an organic binding agent comprising a mixture of, or obtained by reaction of, two or more components other than a solvent or a lubricating agent
-
- 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
Abstract
The present invention relates to 3D printing technique, specifically a kind of tungsten alloy 3D printing slurry and preparation method thereof.A kind of tungsten alloy 3D printing slurry and preparation method thereof, 8 10 parts of high molecular material, 23 parts of binder, 80 90 parts of tungsten alloy metal powder and 1g lubricants；Preparation method includes the following steps：1）High molecular material is placed in heating device and carries out heating until all melting by S1；S2 after high molecular material melts, binder is put into the high molecular material after melting, is stirred evenly；Tungsten alloy metal powder is added to the macromolecule after stirring, in binder mixing material, and is carried out at the same time stirring by S3；S4 takes out after being kept for heating a period of time, and cooling is simultaneously crushed, and it is spare to obtain short grained composite material；S5 when printing, little particle composite material is heated to 125 135 DEG C, supply pressure is 18 22psi.Compared with the existing technology, it can be printed under 150 DEG C of cryogenic conditions；Printing device is simple, and the requirement to powder is low, without special printing environment demand.
Description
Technical field
The present invention relates to 3D printing technique, specifically a kind of tungsten alloy 3D printing slurry and preparation method thereof.
Background technology
3D printing technique is also known as increases material manufacturing technology, is to be based on three-dimensional digital model, will by being successively superimposed layer upon layer
The processing method that material stacking gets up.Since the technology comes out, traditional production and life style are changed always.
3D metallic print technologies, which are entire 3D printing techniques, most foreground and most potential technology, is advanced manufacturing technology
Important development direction.The 3D printing technique of printing metal is broadly divided into four classes at present：Melt and covers printing shaping, domain is selected to be printed as
Type, welding printing shaping and molten drop printing shaping.That there are equipment is expensive for the mode of these printing metals, raw material requirement is high, beats
Print the shortcomings of environmental requirement is high.
Invention content
The present invention in order to overcome the deficiencies of the prior art, designs a kind of tungsten alloy 3D printing slurry and preparation method thereof, substantially
Principle be by metal powder and macromolecule carry out it is compound obtain composite material, can be in melting at a certain temperature using macromolecule
Composite material is placed in the printing cavity with certain temperature by the property of state, is allowed to be in molten condition, finally in air pressure
Under the action of squeezed out and printed by print head.
To achieve the above object, a kind of tungsten alloy 3D printing slurry and preparation method thereof is designed, it is characterised in that including such as
The raw material of lower parts by weight：8-10 parts of high molecular material, 2-3 parts of binder, 80-90 parts of tungsten alloy metal powder and 1g lubricate
Agent；Preparation method includes the following steps：1）High molecular material is placed in heating device and carries out heating until all melting by S1
Change；S2 after high molecular material melts, binder is put into the high molecular material after melting, is stirred evenly；S3, by tungsten alloy
Metal powder is added to the macromolecule after stirring, in binder mixing material, and is carried out at the same time stirring；S4 keeps one section of heating
It is taken out after time, cooling is simultaneously crushed, and it is spare to obtain short grained composite material；When printing, little particle composite material is heated by S5
To 125-135 DEG C, supply pressure 18-22psi.
In the step S3, lubricant is added while tungsten alloy metal powder is added, the lubricant is stearic acid
Or any one of silane coupling agent.
The high molecular material is any one of paraffin or casting wax；The binder is ethylene-vinyl acetate；Institute
It includes tungsten powder, nickel powder and iron powder to state tungsten alloy metal powder, and the mass ratio of the tungsten powder, nickel powder and iron powder is 93:4.9:2.1.
The grain size of the tungsten powder, nickel powder and iron powder is respectively 2-3um, 53-58um and 45-48um, and the tungsten powder is in class ball
Shape, nickel powder are in dendroid, and iron powder is in ellipsoid.
Compared with the existing technology, the requirement printed to environment is relatively low, can be beaten under 150 DEG C of cryogenic conditions by the present invention
Print；Printing device is simple, and the requirement to powder is low, without special printing environment demand.
Specific implementation mode
Embodiment one：
The army that purity is 99.99% is taken to mark the iron powder of tungsten powder, the nickel powder of purity 99.8%, purity 99.45%, and nickel powder passes through 250 mesh
Sieving, iron powder pass through 300 mesh sieving.Ratio between three is according to 93:4.9:2.1 are weighed.
60g casting waxs are weighed first to be put into heating equipment as high molecular material, are heated to casting wax and are melted completely；Again
It takes in the casting wax that 20g ethylene-vinyl acetates are added to as binder after melting, and stirs evenly；Then proportionally
The tungsten ferronickel powder for amounting to 450g is weighed, the tungsten powder weighed, nickel powder, iron powder are sequentially added, is again stirring for uniformly, and is added simultaneously
Enter 1g stearic acid as lubricant；It keeps heating after a certain period of time, takes out cooling, be then crushed, obtain short grained tungsten
Alloy composite materials.
When printing, little particle composite material is placed in 3D printer, is heated to 130 DEG C, pressure is set as 20psi, into
Row 3D printing.
Embodiment two：
The army that purity is 99.99% is taken to mark the iron powder of tungsten powder, the nickel powder of purity 99.8%, purity 99.45%, and nickel powder passes through 250 mesh
Sieving, iron powder pass through 300 mesh sieving.Ratio between three is according to 93:4.9:2.1 are weighed.
60g paraffin is weighed first to be put into heating equipment as high molecular material, is heated to paraffin and is melted completely；It takes again
20g ethylene-vinyl acetates are added to as binder in the paraffin after melting, and are stirred evenly；Then proportionally weigh
The tungsten ferronickel powder for amounting to 550g, the tungsten powder weighed, nickel powder, iron powder are sequentially added, and are again stirring for uniformly, and 1g is added simultaneously
Stearic acid is as lubricant；It keeps heating after a certain period of time, takes out cooling, be then crushed, obtain short grained tungsten alloy
Composite material.
When printing, little particle composite material is placed in 3D printer, is heated to 135 DEG C, pressure is set as 22psi, into
Row 3D printing.
Claims (4)
1. a kind of tungsten alloy 3D printing slurry and preparation method thereof, it is characterised in that include the raw material of following parts by weight：High score
Sub- material 8-10 parts, 2-3 parts of binder, 80-90 parts of tungsten alloy metal powder and 1g lubricants；Preparation method includes following step
Suddenly：1）High molecular material is placed in heating device and carries out heating until all melting by S1；S2 will after high molecular material melts
Binder is put into the high molecular material after melting, and is stirred evenly；Tungsten alloy metal powder is added to the high score after stirring by S3
In son, binder mixing material, and it is carried out at the same time stirring；S4 takes out after being kept for heating a period of time, and cooling is simultaneously crushed, and is obtained
Short grained composite material is spare；When printing, little particle composite material is heated to 125-135 DEG C by S5, and supply pressure is
18-22psi。
2. a kind of tungsten alloy 3D printing slurry according to claim 1 and preparation method thereof, it is characterised in that：The step
In S3, lubricant is added while tungsten alloy metal powder is added, the lubricant is in stearic acid or silane coupling agent
It is any.
3. a kind of tungsten alloy 3D printing slurry according to claim 1 and preparation method thereof, it is characterised in that：The high score
Sub- material is any one of paraffin or casting wax；The binder is ethylene-vinyl acetate；The tungsten alloy metal powder
Including tungsten powder, nickel powder and iron powder, the mass ratio of the tungsten powder, nickel powder and iron powder is 93:4.9:2.1.
4. a kind of tungsten alloy 3D printing slurry according to claim 3 and preparation method thereof, it is characterised in that：The tungsten
The grain size of powder, nickel powder and iron powder is respectively 2-3um, 53-58um and 45-48um, and the tungsten powder is in near-spherical, and nickel powder is in branch
Shape, iron powder are in ellipsoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810696288.9A CN108607984A (en) | 2018-06-29 | 2018-06-29 | A kind of tungsten alloy 3D printing slurry and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810696288.9A CN108607984A (en) | 2018-06-29 | 2018-06-29 | A kind of tungsten alloy 3D printing slurry and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108607984A true CN108607984A (en) | 2018-10-02 |
Family
ID=63665764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810696288.9A Pending CN108607984A (en) | 2018-06-29 | 2018-06-29 | A kind of tungsten alloy 3D printing slurry and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108607984A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681024A (en) * | 2021-07-28 | 2021-11-23 | 北京科技大学 | Method for preparing tungsten metal part based on feeding printing |
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2018
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Patent Citations (8)
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| CN104057090A (en) * | 2013-03-20 | 2014-09-24 | 江苏天一超细金属粉末有限公司 | Method for removing printing metal, ceramic product metal, ceramic powder and polymer mixed material and polymer from finished product |
| CN105108134A (en) * | 2015-08-04 | 2015-12-02 | 成都新柯力化工科技有限公司 | Paste metallic composite material for 3D printing and manufacturing method of paste metallic composite material for 3D printing |
| KR20180064515A (en) * | 2015-10-09 | 2018-06-14 | 시드단스크 유니베르시테 | Feedstocks and their uses for 3D printing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113681024A (en) * | 2021-07-28 | 2021-11-23 | 北京科技大学 | Method for preparing tungsten metal part based on feeding printing |
| CN113681024B (en) * | 2021-07-28 | 2022-10-14 | 北京科技大学 | Method for preparing tungsten metal part based on feeding printing |
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