CN110029248A - A kind of metal lotion of 3D printing and preparation method thereof - Google Patents
A kind of metal lotion of 3D printing and preparation method thereof Download PDFInfo
- Publication number
- CN110029248A CN110029248A CN201910307278.6A CN201910307278A CN110029248A CN 110029248 A CN110029248 A CN 110029248A CN 201910307278 A CN201910307278 A CN 201910307278A CN 110029248 A CN110029248 A CN 110029248A
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- metal
- fluxing
- cream
- alloyed powder
- printing
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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
-
- 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
- C22C12/00—Alloys based on antimony or bismuth
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C13/00—Alloys based on tin
Abstract
The invention discloses a kind of metal lotions of 3D printing, according to parts by weight, including following components: 40-100 parts of alloyed powder, fluxing cream 3-20 parts.The alloyed powder is made of at least one of Sn and Ag, Cu, Bi or Zn.The fluxing cream, percentage are composed of the following components: solvent 35-50%, activating agent 3-12%, thixotropic agent 2-11%, rosin surplus.Metal paste physical efficiency of the present invention effectively overcomes alloy powder to aoxidize, and is easy to save, and compared with the 3D printing material of traditional laser sintered process of needs, can reduce by 20% or more waste material, improve efficiency 35% or more；In addition, the price of required 3D printing equipment reduces 90% or more in metal lotion use process of the present invention.
Description
Technical field
The invention belongs to 3D printing Material Fields, and in particular to a kind of metal lotion of 3D printing and preparation method thereof.
Background technique
In recent years, 3D printing technique is especially burning hot, also in the life for gradually changing us.3D printing technique is in work
The fields such as industry, clothes, building, automobile, aviation, medical treatment suffer from extensive and deep application.In industrial circle, metal 3D printing
It is very potential technology in an important directions and 3D printing technique system for advanced manufacture development.In the prior art
Metal 3D printing technique be roughly divided into five kinds: nano particle metal injection forms (NPJ), precinct laser sintering (SLS), constituency
Laser melts (SLM), laser near-net-shape (LENS) and electron-beam smelting (EBM).Existing metal 3D printing technique is mainly
It using metal powder as material, goes to be sintered with laser, needs laser sintered equipment, so, metal 3D printer is generally all costly,
If the price of certain sale metal 3D printer of Germany is more than 500,000 U.S. dollars, the other bigger metal 3D printer of cutting output
It is likely to be breached 1,000,000 dollars or more.The development of metal 3D printing technique is limited due to metal 3D printer fancy price
And application.
Other than equipment is more expensive, there is also some disadvantages for laser sintered method, such as to working environment, operation
Personnel protection requires relatively high, is also required to very high control ability for the variation of actual stress in printing.From equipment to people
Member has a very high requirement from post-processing is worked into, and when application is with high costs.In addition, metal 3D printing in the prior art
Efficiency it is also low.
Therefore, if a kind of new metal 3D printing material can be provided, so that without laser sintered when printing, to reduce
It prints cost and improves printing effect, then efficiently contribute to the application of metal 3D printing technique, be conducive to expanding economy.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of metal lotion of 3D printing, and the metal lotion is being beaten
Without using laser sintered equipment during print, cost is substantially reduced, and printing effect can also be improved.
In addition, the present invention also provides a kind of preparation methods of metal lotion.
A kind of metal lotion, according to parts by weight, including following components:
40-100 parts of alloyed powder；
Fluxing cream 3-20 parts.
Preferably, a kind of metal lotion, according to parts by weight, including following components:
65-95 parts of alloyed powder；
Fluxing cream 5-15 parts.
It is further preferred that a kind of metal lotion, according to parts by weight, including following components:
85-95 parts of alloyed powder；
Fluxing cream 5-15 parts.
The alloyed powder is made of at least one of Sn and Ag, Cu, Bi or Zn.
The partial size of the alloyed powder is 15-55 μm.
Preferably, the alloyed powder, percentage are composed of the following components: the content of Ag is 0-4%, Cu's
Content is 0-1.5%, and the content of Bi is 0-58%, and the content of Zn is 0-9%, Sn surplus；The wherein content of Ag, Cu, Bi or Zn
It cannot simultaneously be 0.
It is further preferred that the alloyed powder, percentage is composed of the following components: the content of Ag is 0.2-
The content of 3%, Cu are 0.2-1.2%, and the content of Bi is 4-58%, and the content of Zn is 1.2-9%, Sn surplus；
The fluxing cream, percentage are composed of the following components: solvent 35-50%, activating agent 3-12%, touching
Become agent 2-11%, rosin surplus；Wherein the boiling temperature of the solvent is greater than 190 DEG C.
Preferably, the solvent is selected from least one of alcohol, ester or ether；It is further preferred that the solvent is selected from height
At least one of grade alcohol (referring to containing there are six the mixtures of the above monohydric alcohol of carbon atom), ester or ether；It is furthermore preferred that the solvent
Selected from propylene glycol monomethyl ether, tetrahydrofurfuryl alcohol, tripropylene glycol butyl ether, two different dibutyl ethers, certain herbaceous plants with big flowers alcohol, dibutyl phthalate or neighbour
At least one of dioctyl phthalate.
Preferably, the activating agent is selected from least one of organic acid, organic amine or organohalogen compounds；Further preferably
, the activating agent be selected from salicylic acid, adipic acid, succinic acid, diethylamine hydrochloride base ethyl alcohol, cetyltrimethylammonium bromide,
At least one of 2- ethyl imidazol(e) or benzotriazole.
Preferably, thixotropic agent is rilanit special.
Preferably, rosin is at least one of hydrogenated rosin, newtrex, esterified rosin.
A kind of preparation method of metal lotion, comprising the following steps:
(1) it prepares fluxing cream: solvent, thixotropic agent, rosin being added in reaction kettle and mixed, is warming up to 70-80 DEG C, is stirred,
It is completely dissolved to thixotropic agent and rosin, adds activating agent, stirred to being completely dissolved, being subsequently cooled to 5-30 DEG C is in paste body shape,
Fluxing cream is made, it is spare；
(2) alloyed powder and fluxing cream are weighed by weight, is added in planetary mixer, is mixed 10-20 minutes, are taken out
Vacuum (vacuum ranges 1-10Pa) continues stirring and obtains the metal lotion in 3-5 minutes.
Metal lotion of the present invention is applied to during 3D printing, can be directly from the 3D printing spray head for being furnished with heating device
Middle melting extrusion, is deposited on station, alloy powder layer cooling and shaping, is finally washed in metal lotion with solvent (such as ethyl alcohol)
Organic matter to get required product.3D printing, which is carried out, using metal lotion of the present invention needs not move through laser sintered process,
Therefore the cost of printing device can be substantially reduced.
Compared with the existing technology, beneficial effects of the present invention are as follows:
(1) it is directly printed using metal lotion of the present invention, print speed is fast, and high-efficient, waste material is few；With traditional need
It wants the 3D printing of laser sintered process to compare, can reduce by 20% or more waste material, improve efficiency 35% or more；
(2) common alloy powder under air-proof condition due to greatly, being also easy to produce oxidation than table product, and the present invention is logical
Cross the fluxing cream with anti-oxidation effect prepared, effectively overcome alloy powder aoxidize (including heating melting process and storage period,
Metal lotion is sealed and stored half a year alloyed powder therein at 20 DEG C and will not aoxidize), it is unlikely to alloy powder fusing point liter after oxidation
The mechanical strength of height, alloy powder reduces；
(3) metal plaster body preparation method of the present invention is simple, is stored using plastics needle tubing, stores easy to use；
(4) compared with the 3D printing process of traditional laser sintered process of needs, metal lotion of the present invention was used
The price of required 3D printing equipment reduces 90% or more in journey, realizes that the scale marketization is paved the way for metal 3D printing；
(5) metal lotion of the present invention can be applied to the 3D printing of most metals product, be particularly suitable for machinery
Intensity does not have the occasion of excessive demand, such as souvenir badge, souvenir, model, non-big load load-carrying member.
Specific embodiment
In order to further allow the clear technical solution of the present invention of those skilled in the art, following embodiment is now enumerated
It is illustrated.It is to be noted that following embodiment does not constitute a limitation effect to the claimed range of the claims in the present invention.
Embodiment 1
A kind of metal lotion, according to parts by weight, including following components:
88.8 parts of alloyed powder；
11.2 parts of fluxing cream；
The alloyed powder is Sn-Ag-Cu alloyed powder, and the content of percentage, Ag is for the content of 3%, Cu
0.5%, remaining is Sn；The fusing point of the Sn-Ag-Cu alloyed powder is 221 DEG C；The partial size of alloyed powder is 25-45 μm.
The fluxing cream, percentage are composed of the following components: tetrahydrofurfuryl alcohol 14%, tripropylene glycol butyl ether
27%, adipic acid 4%, cetyltrimethylammonium bromide 2.5%, 2- ethyl imidazol(e) 1.5%, benzotriazole 2.5%, hydrogenation
Castor oil 4.5%, hydrogenated rosin 18%, newtrex 26%.
A kind of preparation method of metal lotion, comprising the following steps:
(1) it prepares fluxing cream: tetrahydrofurfuryl alcohol, tripropylene glycol butyl ether, rilanit special, hydrogenated rosin, newtrex is added
Enter in reaction kettle and mix, be warming up to 80 DEG C, stirring, until be completely dissolved, add adipic acid, cetyltrimethylammonium bromide,
2- ethyl imidazol(e), benzotriazole are stirred to being completely dissolved, and are subsequently cooled to 10 DEG C in paste body shape, fluxing cream is made, spare；
(2) the fluxing cream for weighing Sn-Ag-Cu alloyed powder and step (1) preparation by weight, is added to planetary mixer
In, it is mixed 10 minutes, vacuumizes, continue stirring and obtain the metal lotion in 5 minutes.
Metal lotion described in the present embodiment is applied to during 3D printing, can directly spray from the 3D printing equipped with heating device
Melting extrusion in head, is deposited on station, alloy powder layer cooling and shaping, finally washes metal lotion with solvent (such as ethyl alcohol)
In organic matter to get required product.3D printing, which is carried out, using metal lotion of the present invention needs not move through laser sintered mistake
Journey, therefore the cost of printing device can be substantially reduced.The fusing point height for the metal lotion that embodiment 1 is prepared is in 200 DEG C.
Embodiment 2
A kind of metal lotion, according to parts by weight, including following components:
88 parts of alloyed powder；
12 parts of fluxing cream；
The alloyed powder is Sn-Bi alloyed powder, and percentage, the content of Bi is 58%, remaining is Sn；It is described
The fusing point of Sn-Bi alloyed powder is 138 DEG C；The partial size of alloyed powder is 25-45 μm.
The fluxing cream, percentage are composed of the following components: two different dibutyl ethers 18%, certain herbaceous plants with big flowers alcohol 20%,
Salicylic acid 2%, adipic acid 4%, diethylamine hydrochloride base ethyl alcohol 1.5%, rilanit special 6.5%, hydrogenated rosin 17%, polymerization pine
Perfume 25%, esterified rosin 3%.
A kind of preparation method of metal lotion, comprising the following steps:
(1) fluxing cream is prepared: by two different dibutyl ethers, certain herbaceous plants with big flowers alcohol, rilanit special, hydrogenated rosin, newtrex, esterification
Rosin is added in reaction kettle and mixes, and is warming up to 75 DEG C, and stirring until thixotropic agent and rosin are completely dissolved, adds salicylic acid, oneself two
Acid, diethylamine hydrochloride base ethyl alcohol are stirred to being completely dissolved, and are subsequently cooled to 20 DEG C in paste body shape, fluxing cream is made, spare；
(2) the fluxing cream for weighing Sn-Bi alloyed powder and step (1) preparation by weight, is added in planetary mixer, mixes
Stirring 15 minutes is closed, is vacuumized, continues stirring and obtains the metal lotion in 5 minutes.
Metal lotion described in the present embodiment is applied to during 3D printing, can directly spray from the 3D printing equipped with heating device
Melting extrusion in head, is deposited on station, alloy powder layer cooling and shaping, finally washes metal lotion with solvent (such as ethyl alcohol)
In organic matter to get required product.3D printing, which is carried out, using metal lotion of the present invention needs not move through laser sintered mistake
Journey, therefore the cost of printing device can be substantially reduced.
Embodiment 3
A kind of metal lotion, according to parts by weight, including following components:
89 parts of alloyed powder；
11 parts of fluxing cream；
The alloyed powder is Sn-Ag alloyed powder, and percentage, the content of Ag is 2%, remaining is Sn；The Sn-
The fusing point of Ag alloyed powder is 225 DEG C；The partial size of alloyed powder is 25-45 μm.
The fluxing cream, percentage are composed of the following components: propylene glycol monomethyl ether 36%, phthalic acid two
Butyl ester 7%, succinic acid 6%, diethylamine hydrochloride base ethyl alcohol 3.5%, rilanit special 5.5%, newtrex 28%, esterified rosin
14%.
A kind of preparation method of metal lotion, comprising the following steps:
(1) fluxing cream is prepared: by propylene glycol monomethyl ether, dibutyl phthalate, rilanit special, newtrex, esterification
Rosin is added in reaction kettle and mixes, and is warming up to 75 DEG C, and stirring until being completely dissolved, adds succinic acid, diethylamine hydrochloride base second
Alcohol is stirred to being completely dissolved, and is subsequently cooled to 20 DEG C in paste body shape, fluxing cream is made, spare；
(2) the fluxing cream for weighing Sn-Ag alloyed powder and step (1) preparation by weight, is added in planetary mixer, mixes
Stirring 20 minutes is closed, is vacuumized, continues stirring and obtains the metal lotion in 4 minutes.The metal lotion that embodiment 3 is prepared
Fusing point height in 210 DEG C.
Metal lotion described in the present embodiment is applied to during 3D printing, can directly spray from the 3D printing equipped with heating device
Melting extrusion in head, is deposited on station, alloy powder layer cooling and shaping, finally washes metal lotion with solvent (such as ethyl alcohol)
In organic matter to get required product.3D printing, which is carried out, using metal lotion of the present invention needs not move through laser sintered mistake
Journey, therefore the cost of printing device can be substantially reduced.
Embodiment 4
A kind of metal lotion, according to parts by weight, including following components:
50 parts of alloyed powder；
5 parts of fluxing cream；
The alloyed powder is Sn-Zn alloyed powder, and percentage, the content of Zn is 8%, remaining is Sn；Alloyed powder
Partial size be 35-45 μm.
The fluxing cream, percentage are composed of the following components: propylene glycol monomethyl ether 20%, tetrahydrofurfuryl alcohol 20%,
Diethylamine hydrochloride base ethyl alcohol 4%, cetyltrimethylammonium bromide 1%, rilanit special 8%, hydrogenated rosin 47%.
A kind of preparation method of metal lotion, comprising the following steps:
(1) it prepares fluxing cream: propylene glycol monomethyl ether, tetrahydrofurfuryl alcohol, rilanit special, hydrogenated rosin is added in reaction kettle and is mixed
It closes, is warming up to 80 DEG C, stirring adds diethylamine hydrochloride base ethyl alcohol, cetyltrimethylammonium bromide stirring until being completely dissolved
To being completely dissolved, 30 DEG C are subsequently cooled in paste body shape, fluxing cream is made, it is spare；
(2) the fluxing cream for weighing Sn-Zn alloyed powder and step (1) preparation by weight, is added in planetary mixer, mixes
Stirring 10 minutes is closed, is vacuumized, continues stirring and obtains the metal lotion in 3 minutes.
Metal lotion described in the present embodiment is applied to during 3D printing, can directly spray from the 3D printing equipped with heating device
Melting extrusion in head, is deposited on station, alloy powder layer cooling and shaping, finally washes metal lotion with solvent (such as ethyl alcohol)
In organic matter to get required product.3D printing, which is carried out, using metal lotion of the present invention needs not move through laser sintered mistake
Journey, therefore the cost of printing device can be substantially reduced.
Comparative example 1
Compared with Example 1, the alloyed powder is Sn-Ag-Cu alloyed powder, and the content of percentage, Ag is
The content of 6%, Cu are 3%, remaining is Sn；The fusing point of the Sn-Ag-Cu alloyed powder is higher than 240 DEG C, and comparative example 1 is prepared
Metal lotion fusing point be higher than 240 DEG C；The partial size of alloyed powder is 25-45 μm.The preparation process of remaining component and metal lotion
It is same as Example 1.The fusing point height for the metal lotion that embodiment 1 is prepared is in 200 DEG C.
Comparative example 2
Compared with Example 2, the alloyed powder in comparative example 2 is Sn-Ca, and wherein the content of Ca is 5%.Remaining component and gold
The preparation process for belonging to lotion is same as Example 2.The fusing point for the metal lotion that comparative example 2 is prepared is 190 DEG C.Embodiment 2
The fusing point height for the metal lotion being prepared is in 130 DEG C.
In addition, the storage life of the metal lotion of 1-3 of embodiment of the present invention preparation at normal temperatures and pressures is 12 months, traditionally
Needing the storage life of laser sintered metal lotion at normal temperatures and pressures is 6 months.
Claims (10)
1. a kind of metal lotion, which is characterized in that according to parts by weight, including following components:
40-100 parts of alloyed powder；
Fluxing cream 3-20 parts；
The alloyed powder is made of at least one of Sn and Ag, Cu, Bi or Zn.
2. metal lotion according to claim 1, which is characterized in that the alloyed powder, percentage, by following
Group is grouped as: the content of Ag is 0-4%, and the content of Cu is 0-1.5%, and the content of Bi is 0-58%, and the content of Zn is 0-9%,
Sn surplus；Wherein the content of Ag, Cu, Bi or Zn cannot be 0 simultaneously；The partial size of the alloyed powder is 15-55 μm.
3. metal lotion according to claim 1, which is characterized in that the fluxing cream, percentage, by following
Group is grouped as: solvent 35-50%, activating agent 3-12%, thixotropic agent 2-11%, rosin surplus；The wherein boiling point temperature of the solvent
Degree is greater than 190 DEG C.
4. metal lotion according to claim 3, which is characterized in that the solvent in alcohol, ester or ether at least one
Kind.
5. metal lotion according to claim 4, which is characterized in that the solvent be selected from propylene glycol monomethyl ether, tetrahydrofurfuryl alcohol,
At least one in tripropylene glycol butyl ether, two different dibutyl ethers, certain herbaceous plants with big flowers alcohol, dibutyl phthalate or dioctyl phthalate
Kind.
6. metal lotion according to claim 3, which is characterized in that the activating agent is selected from organic acid, organic amine or has
At least one of machine halide；The thixotropic agent is rilanit special.
7. metal lotion according to claim 3, which is characterized in that the rosin is hydrogenated rosin, newtrex, esterification
At least one of rosin.
8. a kind of method for preparing metal lotion described in any one of claim 1-7, which comprises the following steps:
(1) it preparing fluxing cream: solvent, thixotropic agent, rosin is mixed into heating, stirring adds activating agent, and it stirs, then cools down,
Fluxing cream is made, it is spare；
(2) the fluxing cream for weighing alloyed powder and step (1) preparation, mixes, and stirring vacuumizes, and stirs, obtains the metal paste
Body.
9. according to the method described in claim 8, it is characterized in that, the temperature to heat up in step (1) is 70-80 DEG C.
10. application of the metal paste described in any one of claim 1-7 in 3D printing.
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| CN110029248B (en) | 2021-05-11 |
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