CN109158587A - A kind of spherical shape suitable for 3D printing imitates billon powder and preparation method thereof - Google Patents
A kind of spherical shape suitable for 3D printing imitates billon powder and preparation method thereof Download PDFInfo
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- CN109158587A CN109158587A CN201811245520.3A CN201811245520A CN109158587A CN 109158587 A CN109158587 A CN 109158587A CN 201811245520 A CN201811245520 A CN 201811245520A CN 109158587 A CN109158587 A CN 109158587A
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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
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/065—Spherical particles
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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
- 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
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- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/01—Alloys based on copper with aluminium 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
- B22F2009/0848—Melting process before atomisation
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Manufacturing & Machinery (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Adornments (AREA)
Abstract
The invention belongs to field of alloy material, discloses a kind of spherical shape suitable for 3D printing and imitate billon powder and preparation method thereof.The imitative billon powdered ingredients are made of following mass fraction element: Al5.5~7.5%；Ni1~1.5%；Sn0.5~1.5%；In0.05~0.20%；Ce0~0.30%；Cu surplus.The preparation method is that: it is matched by each element and fine copper block, fine aluminium block, pure nickel block, pure tin ingot, pure indium grain and copper-cerium intermediate alloy mixed smelting is obtained into prealloy ingot casting, it is then placed in powder processed in vacuum gas-atomized powder equipment, screening obtains imitating billon powder suitable for the spherical shape of 3D printing.The present invention by adding different elements and using vacuum aerosolization technology, the imitative billon powder prepared have many advantages, such as coloration close to proof gold, good sphericity, few (nothing) hollow powder, mobility is excellent and apparent density is high, be suitable for 3D printing forming.
Description
Technical field
The invention belongs to field of alloy material, and in particular to a kind of spherical shape suitable for 3D printing imitate billon powder and its
Preparation method.
Background technique
Proof gold material is wealth and status symbol, in all age masses fall over each other to be used as a kind of materials in short supply
In decoration and jewel-encrusted material.However gold is as a kind of strategic materials, is that cannot be largely used to artwork ornaments industry,
The appearance of 1970s imitation gold copper-base alloy solves this problem.Gold imitating copper alloy is by adjusting each element in copper alloy
Relative quantity is intended to its visible reflectance spectral curve and pure gold reflection spectral curve unanimously, so that imitative billon chromatic value
(L*、a*、b*) be closer to proof gold chromatic value, i.e. the two color difference Δ E is smaller.
At present printing, (Chu Guang, poplar natural feet, Chu Sheng wait to have to the existing flakey gold imitating copper alloy powder of coating industry
Non-ferrous metal, 2006,58 (1): 53-55.), but flakey gold imitating copper alloy powder is not able to satisfy 3D printing technique to powder ball
The research of the requirement of shape degree, the imitative bronze end of spherical shape has not been reported.
Summary of the invention
In place of the above shortcoming and defect of the existing technology, the primary purpose of the present invention is that providing a kind of be applicable in
Billon powder is imitated in the spherical shape of 3D printing.
Another object of the present invention is to provide the preparation methods that the above-mentioned spherical shape suitable for 3D printing imitates billon powder.
A further object of the present invention is to provide above-mentioned spherical imitative application of the billon powder in 3D printing.
The object of the invention is achieved through the following technical solutions:
A kind of spherical shape suitable for 3D printing imitates billon powder, the spherical imitative billon powdered ingredients by Cu, Al,
Ni, Sn, In and Ce element composition, the mass fraction of each element are respectively as follows: Al:5.5~7.5%；Ni:1~1.5%；Sn:0.5
~1.5%；In:0.05~0.20%；Ce:0~0.30%；Cu: surplus.
Further, the partial size of the spherical imitative billon powder is 15~53 μm.
Further, the spherical imitative coloration (L*, a*, b*) of the billon powder in CIELAB color space and proof gold color
The value of chromatism Δ E of (L*=90.36, a*=4.2, b*=36.0) is spent between 20~30.
Further, its circularity qualified rates of fitting of 80% powder reaches 80~90% in the spherical imitative billon powder；
Its dullness qualified rates of fitting of 60% powder reaches 68~75%；Powder flowbility is 15~18s/50g；Apparent density of powder is 4.3
~4.4g/cm3；Powder tap density is 4.5~4.7g/cm3；Powder oxygen content is 80~120ppm.
The above-mentioned spherical shape suitable for 3D printing imitates the preparation method of billon powder, including following preparation step:
(1) it matches according to each element by fine copper block, fine aluminium block, pure nickel block, pure tin ingot, pure indium grain and copper-cerium intermediate alloy
Mixed smelting obtains prealloy ingot casting；
(2) prealloy ingot casting obtained by step (1) is put into powder processed in vacuum gas-atomized powder equipment, sieves, is fitted
Spherical shape for 3D printing imitates billon powder.
Above-mentioned spherical imitative application of the billon powder in 3D printing.
Spherical shape of the invention imitates billon powder and preparation method has the following advantages that and the utility model has the advantages that
(1) present invention obtains alloy powder coloration close to gold coloration, with proof gold value of chromatism Δ by adding different elements
E is between 20~30.
(2) vacuum aerosolization technology is used, so that the imitative billon powder prepared has coloration close to proof gold, sphericity
Good, few (nothing) hollow powder, the advantages that mobility is excellent and apparent density is high, are suitable for 3D printing and shape.
(3) present invention in imitative billon powder can SLM shape the complete Complex Different Shape curved surface artwork ornaments of shape,
Product hole appropriate can be used for storing the effect that fragrance makes it have " fragrant metal ".
Detailed description of the invention
Fig. 1 is the visible reflectance spectrogram of prealloy ingot casting obtained by Examples 1 to 3.
Fig. 2 is the coloration and pure gold value of chromatism result figure of prealloy ingot casting obtained by Examples 1 to 3.
Fig. 3 is the SEM figure and grain size distribution that bronze end is imitated obtained by embodiment 1.
Fig. 4 is the circularity and dullness qualified rates of fitting and powder volume score corresponding diagram at imitative bronze end obtained by embodiment 1.
Fig. 5 is the surface microhardness structure chart that bronze end is imitated obtained by embodiment 1.
Fig. 6 is to imitate bronze end and proof gold, fine copper in embodiment 1 obtained by prealloy ingot casting, step (2) obtained by step (1)
Visible reflectance spectrogram.
Fig. 7 is that (SLM) drip molding actual density and laser power are melted in the selective laser that gained imitates bronze end in embodiment 1
With the relational graph of laser scanning speed.
Fig. 8 is the appearance assumption diagram for imitating the craftwork drip molding that the 3D printing of bronze end obtains in embodiment 1 using gained.
Specific embodiment
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited
In this.
Embodiment 1
The present embodiment Cu6.5Al1.2Ni1Sn0.15In0.1Ce imitates the preparation of bronze end:
(1) it selects in commercial electrolytic fine copper block, electrolysis fine aluminium block, high-purity nickel block, high purity metal tin, high purity indium grain and copper-cerium
Between alloy (contain cerium 20%).Using graphite crucible intermediate frequency furnace smelting copper alloy, keep pouring temperature at 1200 DEG C or so, system
For prealloy ingot casting, the mass fraction of Cu, Al, Ni, Sn, In and Ce element is respectively as follows: Cu:91.05% in alloy；Al:
6.5%；Ni:1.2%；Sn:1%；In:0.15%；Ce:0.1%.The visible reflectance of gained prealloy ingot casting is composed such as Fig. 1 institute
Show；The coloration of prealloy ingot casting and pure gold value of chromatism are as shown in Fig. 2, the color difference Δ E of ingot casting coloration and proof gold coloration is 17.1.
(2) prealloy ingot casting obtained by step (1) is put into vacuum twin-jet nozzle gas-atomized powder equipment, is vacuumized
Inflated with nitrogen heats intermediate frequency furnace and maintains copper alloy degree of superheat 260K (1310 DEG C), by melting gold to normal pressure after to 100Pa or less
Belong to liquid and pours into atomization tundish, atomizing pressure 2.8MPa；Melt flow velocity 5.5kg/min；Drain pipe diameter 5mm.Screen out partial size
Alloy powder between 15~53 μm, partial size powder yield 40% in the section, obtains
Cu6.5Al1.2Ni1Sn0.15In0.1Ce imitates bronze end.
The SEM at imitative bronze end obtained by the present embodiment schemes shown with (a) and (b) in particle diameter distribution respectively such as Fig. 3.Powder particle shape
Test result circularity and dullness qualified rates of fitting are with powder volume score corresponding diagram as shown in figure 4, its circle of the powder of result visible 80%
Degree qualified rates of fitting reaches 85%；Its dullness qualified rates of fitting of 60% powder reaches 70%.Powder surface microhardness structure such as Fig. 5 institute
Show, is mainly made of dendrite and cellular crystal.Powder flowbility is 16s/50g；Apparent density of powder is 4.39g/cm3；Powder
Tap density is 4.67g/cm3；Powder oxygen content is 100ppm.
Imitated obtained by prealloy ingot casting, step (2) obtained by the present embodiment step (1) bronze end and proof gold, fine copper it is visible
Light reflection spectrum is as shown in Figure 6.Chromatic value of the powder in CIELAB color space are as follows: L*=72.72, a*=2.30, b*=
13.15, the value of chromatism Δ E with proof gold coloration is 28.9.
Bronze end will be imitated obtained by the present embodiment and is used for 3D printing craftwork, and it is relatively close that (SLM) drip molding is melted in selective laser
It spends as shown in Figure 7 with the relationship of laser power and laser scanning speed；The surface structure of craftwork drip molding is as shown in Figure 8.At
Shape part relative density reaches 89.6%, and sample is handled through infiltration fragrance, has the effect of distributing fragrance certainly.
Embodiment 2
The present embodiment Cu5.5Al1Ni0.5Sn0.1In0Ce imitates the preparation of bronze end:
(1) commercial electrolytic fine copper block, electrolysis fine aluminium block, high-purity nickel block, high purity metal tin, high purity indium grain are selected.Using graphite
Crucible intermediate frequency furnace smelting copper alloy keeps pouring temperature at 1200 DEG C or so, prepares prealloy ingot casting, Cu, Al in alloy,
The mass fraction of Ni, Sn, In and Ce element is respectively as follows: Cu:92.9%；Al:5.5%；Ni:1%；Sn:0.5%；In:0.1%；
Ce:0.0%.The visible reflectance spectrum of gained prealloy ingot casting is as shown in Figure 1；The coloration of prealloy ingot casting and pure gold value of chromatism
As shown in Fig. 2, the color difference Δ E of ingot casting coloration and proof gold coloration is 14.2.
(2) prealloy ingot casting obtained by step (1) is put into vacuum gas-atomized powder equipment and is evacuated to 100Pa or less
Inflated with nitrogen heats intermediate frequency furnace and maintains molten alloyed copper degree of superheat 220K (1270 DEG C), molten metal bath is fallen to normal pressure afterwards
Enter and is atomized tundish, atomization pressure 3.0MPa；Melt flow velocity 5.0kg/min；Drain pipe diameter 4.5mm.Screen out partial size
Imitative bronze end between 15~53 μm, partial size powder yield 50% in the section obtain
Cu5.5Al1Ni0.5Sn0.1In0Ce imitates bronze end.
Bronze end particle shape test result is imitated obtained by the present embodiment are as follows: its circularity qualified rates of fitting of 80% powder reaches 80%；
Its dullness qualified rates of fitting of 60% powder reaches 70%.Powder surface microhardness structure is mainly made of dendrite and cellular crystal.
Powder flowbility is 15s/50g；Apparent density of powder is 4.3g/cm3；Powder tap density is 4.6g/cm3；Powder oxygen content is
120ppm。
Chromatic value of the bronze end in CIELAB color space is imitated obtained by the present embodiment are as follows: L*=72.32, a*=2.20, b*
=13.05, the value of chromatism Δ E with proof gold coloration is 25.4.
The SLM drip molding relative density that bronze end is imitated obtained by the present embodiment reaches 85%, and sample is handled through infiltration fragrance, tool
Have from the effect for distributing fragrance.
Embodiment 3
The present embodiment Cu7Al1.5Ni1.5Sn0.2In0.3Ce imitates the preparation of bronze end:
(1) it selects in commercial electrolytic fine copper block, electrolysis fine aluminium block, high-purity nickel block, high purity metal tin, high purity indium grain and copper-cerium
Between alloy (contain cerium 20%).Using graphite crucible intermediate frequency furnace smelting copper alloy, keep pouring temperature at 1200 DEG C or so, system
For prealloy ingot casting, the mass fraction of Cu, Al, Ni, Sn, In and Ce element is respectively as follows: Cu:89.5% in alloy；Al:7%；
Ni:1.5%；Sn:1.5%；In:0.2%；Ce:0.3%.The visible reflectance spectrum of gained prealloy ingot casting is as shown in Figure 1；In advance
The coloration of alloy cast ingot and pure gold value of chromatism are as shown in Fig. 2, the color difference Δ E of ingot casting coloration and proof gold coloration is 20.6.
(2) prealloy ingot casting obtained by step (1) is put into vacuum gas-atomized powder equipment and is evacuated to 100Pa or less
Inflated with nitrogen heats intermediate frequency furnace and maintains molten alloyed copper degree of superheat 300K (1350 DEG C), molten metal bath is fallen to normal pressure afterwards
Enter and is atomized tundish, atomization pressure 2.6MPa；Melt flow velocity 6kg/min；Drain pipe diameter 5mm.Partial size is screened out 15
Imitative bronze end between~53 μm, partial size powder yield 60% in the section obtain Cu7Al1.5Ni1.5Sn0.2In0.3Ce
Imitative bronze end.
Bronze end particle shape test result is imitated obtained by the present embodiment are as follows: its circularity qualified rates of fitting of 80% powder reaches 83%；
Its dullness qualified rates of fitting of 60% powder reaches 68%.Powder surface microhardness structure is mainly made of dendrite and cellular crystal.
Powder flowbility is 17s/50g；Apparent density of powder is 4.4g/cm3；Powder tap density is 4.66g/cm3；Powder oxygen content
For 80ppm.
Chromatic value of the bronze end in CIELAB color space is imitated obtained by the present embodiment are as follows: L*=71.42, a*=2.25, b*
=12.10, the value of chromatism Δ E with proof gold coloration is 20.7.
The SLM drip molding relative density that bronze end is imitated obtained by the present embodiment reaches 90%, and sample is handled through infiltration fragrance, tool
Have from the effect for distributing fragrance.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (6)
1. a kind of spherical shape suitable for 3D printing imitates billon powder, it is characterised in that: the spherical imitative billon powdered ingredients
It is made of Cu, Al, Ni, Sn, In and Ce element, the mass fraction of each element is respectively as follows: Al:5.5~7.5%；Ni:1~
1.5%；Sn:0.5~1.5%；In:0.05~0.20%；Ce:0~0.30%；Cu: surplus.
2. a kind of spherical shape suitable for 3D printing according to claim 1 imitates billon powder, it is characterised in that: the ball
The partial size that shape imitates billon powder is 15~53 μm.
3. a kind of spherical shape suitable for 3D printing according to claim 1 imitates billon powder, it is characterised in that: the ball
Shape imitates the value of chromatism Δ E of coloration of the billon powder in CIELAB color space and proof gold coloration between 20~30.
4. a kind of spherical shape suitable for 3D printing according to claim 1 imitates billon powder, it is characterised in that: the ball
Shape imitates its circularity qualified rates of fitting of 80% powder in billon powder and reaches 80~90%；Its dullness qualified rates of fitting of 60% powder reaches
68~75%；Powder flowbility is 15~18s/50g；Apparent density of powder is 4.3~4.4g/cm3；Powder tap density is
4.5~4.7g/cm3；Powder oxygen content is 80~120ppm.
5. a kind of described in any item preparation methods of the imitative billon powder of the spherical shape suitable for 3D printing of Claims 1 to 4,
It is characterized in that including following preparation step:
(1) it is matched according to each element and mixes fine copper block, fine aluminium block, pure nickel block, pure tin ingot, pure indium grain and copper-cerium intermediate alloy
Melting obtains prealloy ingot casting；
(2) prealloy ingot casting obtained by step (1) is put into powder processed in vacuum gas-atomized powder equipment, sieves, is suitable for
The spherical shape of 3D printing imitates billon powder.
6. described in any item spherical imitative applications of the billon powder in 3D printing of Claims 1 to 4.
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| CN201811245520.3A CN109158587B (en) | 2018-10-24 | 2018-10-24 | Spherical imitation gold alloy powder suitable for 3D printing and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111607717A (en) * | 2020-07-16 | 2020-09-01 | 宁波博威合金材料股份有限公司 | Additive manufactured copper-iron alloy and preparation method thereof |
| CN113862584A (en) * | 2021-12-02 | 2021-12-31 | 武汉中维创发工业研究院有限公司 | Imitation gold alloy and preparation method and application thereof |
| CN113891948A (en) * | 2019-07-23 | 2022-01-04 | 山阳特殊制钢株式会社 | Cu-based alloy powder |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113891948A (en) * | 2019-07-23 | 2022-01-04 | 山阳特殊制钢株式会社 | Cu-based alloy powder |
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| CN113862584A (en) * | 2021-12-02 | 2021-12-31 | 武汉中维创发工业研究院有限公司 | Imitation gold alloy and preparation method and application thereof |
| CN113862584B (en) * | 2021-12-02 | 2022-04-08 | 武汉中维创发工业研究院有限公司 | Imitation gold alloy and preparation method and application thereof |
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| CN109158587B (en) | 2021-02-05 |
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