CN105880583A - Composite wire for manufacturing titanium product through 3D printing and preparation method of composite wire - Google Patents
Composite wire for manufacturing titanium product through 3D printing and preparation method of composite wire Download PDFInfo
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- CN105880583A CN105880583A CN201610244294.1A CN201610244294A CN105880583A CN 105880583 A CN105880583 A CN 105880583A CN 201610244294 A CN201610244294 A CN 201610244294A CN 105880583 A CN105880583 A CN 105880583A
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- composite wire
- forming agents
- thermoplastic polymer
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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
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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
- B22F1/103—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
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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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/1017—Multiple heating or additional steps
- B22F3/1021—Removal of binder or filler
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/11—Making porous workpieces or articles
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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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
- B22F3/227—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by organic binder assisted extrusion
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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
- B33Y10/00—Processes of additive manufacturing
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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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
The invention provides a composite wire for manufacturing a titanium product through 3D printing. The composite wire comprises a base material, thermoplastic polymers and organic pore forming agents, wherein the thermoplastic polymers and the organic pore forming agents are evenly distributed in the base material. In the composite wire, the volume fraction of the base material is 50%-80%, the sum of the volume fraction of the thermoplastic polymers and the volume fraction of the organic pore forming agent is 20%-50%, and the volume ratio of the thermoplastic polymers to the organic pore forming agents is (1-9):1. The base material is titanium or titanium hydride or titanium alloy or titanium hydride alloy. The thermoplastic polymers and the organic pore forming agents can be completely removed from the composite wire after the composite wire is heated, the organic pore forming agents can be completely removed at the temperature of 50-200 DEG C, and the thermoplastic polymers can be completely removed at the temperature of 250-500 DEG C. The invention further provides a preparation method of the composite wire. The composite wire can be formed through printing by means of an ordinary plastic-grade 3D printer, and the formed titanium product can be obtained through the steps of removal of the organic pore forming agents, removal of the thermoplastic polymers, dehydrogenation, sintering and the like.
Description
Technical field
The invention belongs to the 3D printed material field for making titanium article, relate to a kind of for 3D printing and making titanium article
Composite wire material and preparation method thereof.
Background technology
3D printing technique is the most popular manufacture forming technique, and compared with traditional forming technique, 3D printing technique mainly has
There is a following advantage: can be used for the processing of complicated shape part and function-graded material, and forming process need not mould etc. specially
With aid, the subsequent treatment operation after printing shaping is less even without subsequent treatment operation, can be real according to the demand of user
Existing customized production etc..Owing to having above-mentioned technical advantage, the range of application of this technology is quite varied, has been a great concern.
There is due to titanium alloy advantage, titanium and the alloys thereof such as intensity height, corrosion resistance and good biocompatibility and be referred to as " 21 century gold
Belong to material ".Easily process due to titanium alloy that hardening, fusing point be high, oxidizable, plasticity and the reason such as heat conduction is low so that its machine-shaping
Difficulty.Powder injection-molded (PIM) is although the difficult problem of its shaping can be solved, but this technique needs particular manufacturing craft, and mould is originally
The manufacture difficulty of body is big, cost is high, and this can be greatly increased the production cost of titanium alloy product undoubtedly.3D printing technique is applied
In titanium article shaping, the problem that titanium article difficult forming can not only be solved well, and need not mould, energy free forming,
Production cost can be greatly lowered.
The 3D printing shaping technology of existing titanium article is mainly metal 3D printing technique, mainly utilizes high-power electron beam or swashs
The high-temperature fusion such as light beam or sintered metal powders are molded, and such as selective laser melting is molded (SLM) technology, selectively swashs
Light sintering (SLS) technology etc..But the price of the equipment that metal 3D printing technique uses is much more expensive, and require that 3D prints material
Material is spherical powder, and the preparation technology of spherical powder is difficult, cost high, and the most current metal 3D printing device can only
Use one or a class 3D printed material, cause the 3D of titanium article to print manufacturing cost the highest, it is difficult to realize scale
Industrial production.
Based on above-mentioned present situation, if can develop employing common 3D printer, particularly general industry plastics level 3D printer,
Even family's Table top type plastics level 3D printer can realize the printed material of shaping of titanium article, for reducing titanium article
The production cost of 3D printing shaping, promotes the application in titanium article shaping manufacture field of the 3D printing technique and will produce important meaning
Justice.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that for composite wire material and the system thereof of 3D printing and making titanium article
Preparation Method, with effective production cost reducing and using 3D to print manufacture titanium article.
The composite wire material for 3D printing and making titanium article that the present invention provides, this composite wire material includes matrix material and uniformly divides
Cloth thermoplastic polymer in matrix material and organic pore-forming agents, in this composite wire material, the volume fraction of matrix material is
50%～80%, the volume fraction sum of thermoplastic polymer and organic pore-forming agents is 20%～50%, and thermoplastic polymer with have
The volume ratio of machine pore creating material is (1～9): 1, and described matrix material is titanium, titantium hydride, titanium alloy or titantium hydride alloy, described
Thermoplastic polymer and organic pore-forming agents can remove after composite wire material is heated from composite wire material completely, and organic pore-forming agents exists
50～200 DEG C can be substantially completely removed, and thermoplastic polymer can be substantially completely removed at 250～500 DEG C.
Possibly together with additive in above-mentioned composite wire material, described additive be in surfactant, antioxidant, plasticizer at least
One, the quality of additive is less than thermoplastic polymer and the 5% of organic pore-forming agents gross mass.Described surfactant can be hard
Resin acid or fatty glyceride, antioxidant can be antioxidant 164 or 1,1,3-tri-(2-methyl-4-hydroxyl-5-2-methyl-2-phenylpropane base) butane
(antioxidant CA), plasticizer can be phthalic acid two (2-ethyl hexyl) ester (DEHP) or dioctyl phthalate (DOP).
In above-mentioned composite wire material, described thermoplastic polymer is polyethylene, polyethylene glycol oxide or ethylene-vinyl acetate copolymer；
Described organic pore-forming agents is paraffin or Brazil wax.
In above-mentioned composite wire material, the volume fraction of matrix material is preferably 60%～70%, thermoplastic polymer and organic pore-forming agents
Volume fraction sum is preferably 30%～40%.
In above-mentioned composite wire material, described matrix material is the powder that particle diameter is less than 100 μm, and matrix material powder can be arbitrary shape
Shape, such as polygonal, spherical, elliposoidal etc..
The method using above-mentioned composite wire material to prepare titanium article is: printed in plastics level 3D according to the shape of design by composite wire material
On machine, printing shaping obtains pre-manufactured parts, if matrix material is titanium or titanium alloy, the heated removing successively of described pre-manufactured parts has
Titanium article is i.e. can get through oversintering, if containing additive in composite wire material, having in removing after machine pore creating material, thermoplastic polymer
In machine pore creating material, thermoplastic polymer and sintering process, additive also can be substantially completely removed；If matrix material be titantium hydride or
Titantium hydride alloy, described pre-manufactured parts is heated remove organic pore-forming agents, thermoplastic polymer successively after, through Heating Dehydrogenation and
Sintering i.e. can get titanium article, if containing additive in composite wire material, in removing organic pore-forming agents, thermoplastic polymer, dehydrogenation
And in sintering process, additive also can be substantially completely removed.Above-mentioned removing organic pore-forming agents, thermoplastic polymer, dehydrogenation and burning
Knot process can complete in same tube furnace.
Owing to thermoplastic polymer plays a supportive role in composite wire material, the therefore organic pore-forming agents in removing pre-manufactured parts and heat
During thermoplastic polymer, should first remove organic pore-forming agents, remove thermoplastic polymer again.When removing organic pore-forming agents, control de-
Except temperature is to guarantee that organic pore-forming agents will not produce a large amount of gases, after organic pore-forming agents has removed, in pre-manufactured parts by fast decoupled
Can form substantial amounts of pore passage structure, then rise high-temperature removing thermoplastic polymer, now thermoplastic polymer is changed by thermal decomposition
Gas is become to escape from pore passage structure and be removed.
Present invention also offers the preparation method of the above-mentioned composite wire material for 3D printing and making titanium article, raw material includes matrix material
Material powder, thermoplastic polymer and organic pore-forming agents, the volume fraction of matrix material powder is 50%～80%, thermoplastic polymer
It is 20%～50% with the volume fraction sum of organic pore-forming agents, and the volume ratio of thermoplastic polymer and organic pore-forming agents is
(1～9): 1, described matrix material powder is titanium, titantium hydride, titanium alloy or titantium hydride alloy powder；By thermoplastic polymer
Mixing with matrix material powder uniformly, be subsequently adding organic pore-forming agents and mixing uniformly obtain compound, by gained compound pultrusion
It is shaped to a material, obtains composite wire material.
In said method, raw material also include additive, described additive be in surfactant, antioxidant, plasticizer extremely
Few one, the quality of additive is less than thermoplastic polymer and the 5% of organic pore-forming agents gross mass；By thermoplastic polymer, add
Add agent and matrix material powder is mixing uniformly, be subsequently adding organic pore-forming agents and mixing uniformly obtain compound, by gained compound
Formed by extrusion and tension is silk material, obtains composite wire material.
In said method, described thermoplastic polymer is polyethylene, polyethylene glycol oxide or ethylene-vinyl acetate copolymer；Described
Organic pore-forming agents is paraffin or Brazil wax.
In said method, described surfactant can be stearic acid or fatty glyceride, and antioxidant can be antioxidant 164
Or 1,1,3-tri-(2-methyl-4-hydroxyl-5-2-methyl-2-phenylpropane base) butane (antioxidant CA), plasticizer can be phthalic acid two (2-second
Base oneself) ester (DEHP) or dioctyl phthalate (DOP).
In said method, the particle diameter of described matrix material powder is less than 100 μm, and matrix material powder can be arbitrary shape, example
Such as polygonal, spherical, elliposoidal etc..
In said method, the volume fraction of matrix material powder is preferably 60%～70%, thermoplastic polymer and organic pore-forming agents
Volume fraction sum is preferably 30%～40%.
In said method, compound can be made fritter, then using extruder or hydraulic press formed by extrusion and tension is that diameter meets should
With demand silk material, the diameter of usual silk material can be 1～3mm.
Compared with prior art, the method have the advantages that
1. the composite wire material that the present invention provides is a kind of novel 3D printed material for 3D printing and making titanium article, this composite filament
Material includes matrix material titanium, titantium hydride, titanium alloy or titantium hydride alloy, thermoplastic polymer and organic pore-forming agents,
Therefore its printing shaping can be used energy by the mobility and the viscosity that utilize melted thermoplastic polymer during 3D printing shaping
The 3D printer melted by thermoplastic polymer, the composite wire material that the present invention can be provided by the most common plastics level 3D printer
Printing shaping, can be molded through steps such as follow-up removing organic pore-forming agents, thermoplastic polymer, dehydrogenation and sintering
POROUS TITANIUM goods.Although preparation is metal parts, but without using expensive metal 3D printing device, does not the most require base
The form of body material is spherical, is therefore not only advantageous to reduce the cost of 3D printed material, and can effectively reduce the life of titanium article
Produce cost, there is important industrial application value.
2. the present invention provide in the composite wire material of 3D printing and making titanium article, also include additive, surfactant can make
Matrix material and organic pore-forming agents and thermoplastic polymer fully mix and adhesion-tight, promote in the composite wire material drawn various
The uniformity of composition, antioxidant is conducive to the preservation of composite wire material, makes the organic component in composite wire material be difficult to oxidized, from
And guaranteeing that composite wire material is difficult to brittle failure, plasticizer can promote the formability of composite wire material, is conducive to improving the quality of printed product.
3. the composite wire material for 3D printing and making titanium article that the present invention provides, it is adaptable to 3D printing shaping produces loose structure
Titanium article.Loose structure titanium has good biocompatibility, and its loose structure is conducive to cell adherence and regeneration, simultaneously
Loose structure can be utilized to regulate its mechanical property such as density and intensity, at hard tissue repair and regenerated materials such as bone, joint and roots of the tooth
Material field has broad application prospects, loose structure titanium at Aero-Space, mechanical field, and noise reduction, damping, filtration,
Catalysis and field of heat exchange also have a good application prospect.Existing casting or powder metallurgic method is used to prepare loose structure
Titanium is required for particular manufacturing craft, prepares loose structure titanium article compared to traditional casting and PM technique, uses this
The composite wire material of bright offer coordinates 3D printing technique, can not only save Mold Making operation, reduces production cost, and can be freely
Rapid shaping, meets the demand that client is instant, and composite wire material the most of the present invention has substantially in production loose structure titanium field
Application advantage.
4. present invention also offers the preparation method of the above-mentioned composite wire material for 3D printing and making titanium article, the operation of the method
Journey is simple, uses conventional raw material and equipment can realize producing, has easy to spread and realize industrialized advantage.
Accompanying drawing explanation
Fig. 1 is the photo of the composite wire material of embodiment 1 preparation；
Fig. 2 is the photo of the composite wire material of embodiment 2 preparation；
Fig. 3 is the photo of the composite wire material of embodiment 3 preparation；
Fig. 4 is the photo of the composite wire material of embodiment 4 preparation.
Detailed description of the invention
By the following examples and combine accompanying drawing to the composite wire material for 3D printing and making titanium article of the present invention and preparation thereof
Method is described further.In following each embodiment, the ethylene-vinyl acetate copolymer (EVA) used is by Mitsui
Company produces, and model is 40LX, and the paraffin used is No. 58 scale waxs.
Embodiment 1
In the present embodiment, it is provided that for the preparation method of the composite wire material of 3D printing and making titanium article, step is as follows:
(1) meter feedstock
According to TiH2The volume of powder, ethylene-vinyl acetate copolymer (EVA) and paraffin account for respectively three's cumulative volume 60%,
The TiH that ratio metering particle diameter is 25～100 μm of 25% and 15%2Powder, EVA and paraffin, then according to surfactant is hard
The quality of resin acid is the gauge amount stearic acid of EVA and paraffin gross mass 5%.
(2) composite wire material is prepared
By EVA, stearic acid and TiH2Powder adds in banbury, mixing mixes, then by banburying to three at 150 DEG C
The temperature of machine is down to 120 DEG C, adds paraffin and uniformly obtains compound at 120 DEG C by mixing for the material in banbury, being mixed by gained
Closing material and be squeezed into the silk material of a diameter of 2mm on a hydraulic press, obtain composite wire material, cooling winding is standby.
Composite wire material prepared by the present embodiment used below makes pure titanium article, operates as follows:
Composite wire material standby for winding is obtained according to shape printing shaping on solid easy FDM-i1S type 3D printer of design
Pre-manufactured parts, is then placed in described pre-manufactured parts in tube furnace under argon shield, is warming up to the heating rate of 3 DEG C/min
60 DEG C, insulation 60min removes paraffin, is then warming up to 315 DEG C of insulation 30min partial removal with the heating rate of 2 DEG C/min
EVA, then with the heating rate of 1 DEG C/min be warming up to 381 DEG C insulation 60min to remove EVA completely, removing paraffin and
During EVA, surfactant stearic acid is also substantially completely removed, and is then warming up to 481 DEG C with the heating rate of 2 DEG C/min,
Insulation 30min, carries out dehydrogenation, then is warming up to 1300 DEG C with the heating rate of 3 DEG C/min, is incubated 120min, and sintering obtains many
The pure titanium article of pore structure.
Embodiment 2
In the present embodiment, it is provided that for the preparation method of the composite wire material of 3D printing and making titanium article, step is as follows:
(1) meter feedstock
According to the volume of Ti powder, ethylene-vinyl acetate copolymer (EVA) and Brazil wax account for respectively three's cumulative volume 80%,
Ti powder, EVA and the Brazil wax that ratio metering particle diameter is 25～100 μm of 18% and 2%.
(2) composite wire material is prepared
EVA and Ti powder is added in banbury, mixing mixes to the two at 150 DEG C, then the temperature of banbury is down to
120 DEG C, add Brazil wax and uniformly obtain compound by mixing for the compound in banbury, by gained compound at 120 DEG C
Being squeezed into the silk material of a diameter of 3mm on extruder, obtain composite wire material, cooling winding is standby.
Embodiment 3
In the present embodiment, it is provided that for the preparation method of the composite wire material of 3D printing and making titanium article, step is as follows:
(1) meter feedstock
Three's cumulative volume 70%, 18%, 12% is accounted for respectively according to the volume of TC4 powder, polyethylene glycol oxide (PEO) and paraffin
Ratio metering particle diameter be TC4 powder, PEO and the paraffin of 25～100 μm, then according to antioxidant 1,1,3-tri-(2-methyl
-4-hydroxyl-5-2-methyl-2-phenylpropane base) butane (antioxidant CA) and the matter of plasticizer phthalic acid two (2-ethyl hexyl) ester (DEHP)
Amount is PEO and the gauge amount antioxidant of paraffin gross mass 3% and 2% and plasticizer.
(2) composite wire material is prepared
PEO, antioxidant, plasticizer and TC4 powder are joined in banbury, mixing mix to four at 150 DEG C,
Then the temperature of banbury is down to 120 DEG C, adds paraffin and uniformly mixed mixing for the material in banbury at 120 DEG C
Material, is squeezed into the silk material of a diameter of 2mm on extruder by gained compound, obtains composite wire material, and cooling winding is standby.
Embodiment 4
In the present embodiment, it is provided that for the preparation method of the composite wire material of 3D printing and making titanium article, step is as follows:
(1) meter feedstock
According to TiH2The volume of-6Al-4V powder, polyethylene (PE) and paraffin accounts for three's cumulative volume 50%, 25% and 25% respectively
Ratio metering particle diameter be the TiH of 25～100 μm2-6Al-4V powder, PE and paraffin, then according to surfactant stearic acid
The gauge amount stearic acid that quality is PE and paraffin gross mass 3%.
(2) composite wire material is prepared
By PE, stearic acid and TiH2-6Al-4V powder adds in banbury, mixing mixes, then to three at 140 DEG C
The temperature of banbury is down to 120 DEG C, adds paraffin and at 120 DEG C by mixing for the material in the banbury compound that uniformly obtains, will
Gained compound is squeezed into the silk material of a diameter of 2mm on a hydraulic press, obtains composite wire material, and cooling winding is standby.
Claims (10)
1. for the composite wire material of 3D printing and making titanium article, it is characterised in that this composite wire material includes matrix material and uniformly divides
Cloth thermoplastic polymer in matrix material and organic pore-forming agents, in this composite wire material, the volume fraction of matrix material is
50%～80%, the volume fraction sum of thermoplastic polymer and organic pore-forming agents is 20%～50%, and thermoplastic polymer with have
The volume ratio of machine pore creating material is (1～9): 1, and described matrix material is titanium, titantium hydride, titanium alloy or titantium hydride alloy, described
Thermoplastic polymer and organic pore-forming agents can remove after composite wire material is heated from composite wire material completely, and organic pore-forming agents exists
50～200 DEG C can be substantially completely removed, and thermoplastic polymer can be substantially completely removed at 250～500 DEG C.
The most according to claim 1 for the composite wire material of 3D printing and making titanium article, it is characterised in that in this composite wire material
Possibly together with additive, described additive is at least one in surfactant, antioxidant, plasticizer, the quality of additive
Less than thermoplastic polymer and the 5% of organic pore-forming agents gross mass.
Composite wire material for 3D printing and making titanium article the most according to claim 1 or claim 2, it is characterised in that described thermoplastic
Property polymer is polyethylene, polyethylene glycol oxide or ethylene-vinyl acetate copolymer；Described organic pore-forming agents is paraffin or Brazil
Palm wax.
Composite wire material for 3D printing and making titanium article the most according to claim 1 or claim 2, it is characterised in that this composite filament
In material, the volume fraction of matrix material is 60%～70%, and the volume fraction sum of thermoplastic polymer and organic pore-forming agents is
30%～40%.
The most according to claim 3 for the composite wire material of 3D printing and making titanium article, it is characterised in that in this composite wire material,
The volume fraction of matrix material is 60%～70%, and the volume fraction sum of thermoplastic polymer and organic pore-forming agents is 30%～40%.
6. the preparation method for the composite wire material of 3D printing and making titanium article, it is characterised in that raw material includes matrix material
Powder, thermoplastic polymer and organic pore-forming agents, the volume fraction of matrix material powder is 50%～80%, thermoplastic polymer and
The volume fraction sum of organic pore-forming agents is 20%～50%, and the volume ratio of thermoplastic polymer and organic pore-forming agents is (1～9): 1,
Described matrix material powder is titanium, titantium hydride, titanium alloy or titantium hydride alloy powder；By thermoplastic polymer and matrix material
Powder is mixing uniformly, is subsequently adding organic pore-forming agents and mixing uniformly obtains compound, being silk material by gained compound formed by extrusion and tension,
Obtain composite wire material.
It is used for the preparation method of the composite wire material of 3D printing and making titanium article the most according to claim 6, it is characterised in that former
Material also includes that additive, described additive are at least one in surfactant, antioxidant, plasticizer, the matter of additive
Amount is less than thermoplastic polymer and the 5% of organic pore-forming agents gross mass；By thermoplastic polymer, additive and matrix material powder
Mixing uniformly, be subsequently adding organic pore-forming agents and mixing uniformly obtain compound, being silk material by gained compound formed by extrusion and tension, i.e.
Obtain composite wire material.
8., according to the preparation method of the composite wire material being used for 3D printing and making titanium article described in claim 6 or 7, its feature exists
It is polyethylene, polyethylene glycol oxide or ethylene-vinyl acetate copolymer in described thermoplastic polymer；Described organic pore-forming agents is stone
Wax or Brazil wax.
9., according to the preparation method of the composite wire material being used for 3D printing and making titanium article described in claim 6 or 7, its feature exists
Particle diameter in described matrix material powder is less than 100 μm.
10., according to the preparation method of the composite wire material being used for 3D printing and making titanium article described in claim 6 or 7, its feature exists
Volume fraction in matrix material powder is 60%～70%, and the volume fraction sum of thermoplastic polymer and organic pore-forming agents is
30%～40%.
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| CN107649684A (en) * | 2017-10-31 | 2018-02-02 | 陕西爱骨医疗股份有限公司 | A kind of 3D printing method |
| CN107876575A (en) * | 2016-09-30 | 2018-04-06 | 珠海天威飞马打印耗材有限公司 | Three-dimensionally shaped silk, manufacture method and forming method |
| WO2018214612A1 (en) * | 2017-05-23 | 2018-11-29 | 昆山卡德姆新材料科技有限公司 | Feed material for 3d printing, and preparation method and usage thereof |
| CN110193361A (en) * | 2019-07-01 | 2019-09-03 | 中国工程物理研究院机械制造工艺研究所 | A kind of preparation method that Irreversible hydrogen-absorbing is composite porous and its product |
| CN110312582A (en) * | 2016-12-14 | 2019-10-08 | 德仕托金属有限公司 | Material system for increasing material manufacturing |
| CN112899523A (en) * | 2021-01-18 | 2021-06-04 | 深圳市光韵达增材制造研究院 | Preparation method of nanoparticle-reinforced titanium-based composite material based on 3D printing |
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