CN108746582A - Laser gain material manufacture NiTi micro-nano powder cored filament materials of rare earth enhancing and preparation method thereof - Google Patents
Laser gain material manufacture NiTi micro-nano powder cored filament materials of rare earth enhancing and preparation method thereof Download PDFInfo
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- CN108746582A CN108746582A CN201810487113.7A CN201810487113A CN108746582A CN 108746582 A CN108746582 A CN 108746582A CN 201810487113 A CN201810487113 A CN 201810487113A CN 108746582 A CN108746582 A CN 108746582A
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- 239000000463 material Substances 0.000 title claims abstract description 120
- 239000011858 nanopowder Substances 0.000 title claims abstract description 61
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 52
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 51
- 229910001000 nickel titanium Inorganic materials 0.000 title claims abstract description 44
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 43
- 230000002708 enhancing effect Effects 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 73
- 239000010936 titanium Substances 0.000 claims abstract description 16
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000002114 nanocomposite Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 229910052684 Cerium Inorganic materials 0.000 claims description 3
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 3
- 229910052746 lanthanum Inorganic materials 0.000 claims description 3
- 239000006070 nanosuspension Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 241000209094 Oryza Species 0.000 claims 2
- 235000007164 Oryza sativa Nutrition 0.000 claims 2
- 235000013339 cereals Nutrition 0.000 claims 2
- 235000009566 rice Nutrition 0.000 claims 2
- 235000013312 flour Nutrition 0.000 claims 1
- 239000007787 solid Substances 0.000 abstract description 7
- 230000006386 memory function Effects 0.000 abstract description 6
- 230000006870 function Effects 0.000 abstract description 5
- 229910045601 alloy Inorganic materials 0.000 description 15
- 239000000956 alloy Substances 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 8
- 238000009835 boiling Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 238000000498 ball milling Methods 0.000 description 3
- 229910000420 cerium oxide Inorganic materials 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910000521 B alloy Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005551 mechanical alloying Methods 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- B22F1/0003—
-
- 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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/34—Process control of powder characteristics, e.g. density, oxidation or flowability
-
- 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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Automation & Control Theory (AREA)
- Powder Metallurgy (AREA)
Abstract
A kind of laser gain material manufacture NiTi micro-nano powder cored filament materials and preparation method thereof of rare earth enhancing, it is characterized in that the powder cored filament material is accounted for by quality, the μ-nickel powder of entire powder cored filament material 54% ~ 56% accounts for quality rare earth enhancing micro-nano powder core that the rare earth nanometer powder of entire powder cored filament material 0.5% ~ 1.5% is constituted and quality accounts for the titanium skin of entire powder cored filament material 42.5% ~ 45.5% and forms, the sum of each component is 100%, and preparation method includes mainly that prepared by micro-nano powder, crust shapes and fill out powder, heals up and be drawn into silk.Using NiTi micro-nanos powder cored filament material of the present invention as laser gain material manufacture material, have the characteristics that shape memory function loss is small, forming accuracy is high, and the problems such as low as powder using efficiency existing for increasing material manufacturing material using powder at present is avoided, while also solving using solid silk material as laser energy higher the problems such as being more easy to cause loss function needed for increasing material manufacturing material.
Description
Technical field
The invention belongs to laser gain material manufacturing technology field, especially a kind of laser gain material manufacture material and its preparation side
Method, the laser gain material manufacture NiTi micro-nano powder cored filament materials and preparation method thereof of specifically a kind of rare earth enhancing.
Background technology
Laser gain material manufacturing technology refers to using laser as energy source and based on discrete-accumulation principle and by part three-dimensional
A kind of advanced manufacturing technology of data-driven direct manufacturing parts.However, the research and development of laser gain material manufacture material are still located at present
In the primary stage, the material category that can be used is relatively fewer, significantly limits the extensive use of this advanced manufacturing technology.
Niti-shaped memorial alloy（Hereinafter referred to as NiTi alloys）, because of its special shape memory effect and super-elasticity, height
Damping and amortization, highly corrosion resistant and excellent biocompatibility etc., obtain fruitful application in various fields.If energy
It is enough by NiTi Alloyapplications to laser gain material manufacturing technology field, can preferably solve what some traditional manufacturing technologies were not easy to realize
Problem.However, either by NiTi alloys to carry out mechanical alloying after simple substance powder directly mixing or mixing, or will
Alloyed powder is made in the crushing of NiTi alloys, or even B alloy wire is made in NiTi alloy drawings, in laser gain material manufacturing process by
It is high in laser energy density, the Ni easily scaling loss in low boiling point element such as NiTi alloys therein；Meanwhile laser gain material manufactures
Be inevitably present in the process accumulate latter layer material will certainly the previous layer material of partial remelting specific reality, cause weight
The problems such as NiTi alloy grains of clinkering crystalline substance are coarse also will increase shape memory function loss.To sum up, NiTi Alloy by Laser
During increasing material manufacturing, how to reduce the loss of its shape memory function is the core key problem for needing to face.
Powder cored filament material is a kind of to wrap up powder filler with sheet metal strip and be drawn into certain diameter can be used for laser gain material
The new material of manufacture not only avoids the disadvantages such as stock utilization existing when being manufactured using powder material laser gain material is low,
The deficiencies of required laser energy is higher when also avoiding manufacturing using solid silk material laser gain material, and pass through optimization wherein powder core
Ingredient and structure etc. can also manufacture the shape of product to laser gain material and regulate and control, be a kind of great development potentiality and foreground
Laser gain material manufacture material.If NiTi powder cores are made as powder core using the higher boiling Ti in NiTi alloys as crust, Ni
Silk material is expected to solve the burning problems of wherein low boiling point element by the protective effect of higher boiling Ti skins；If further wherein
Being introduced into the measure for strengthening shape memory function such as can strengthen base material, reduce stacking fault energy increases nano particle such as in powder core, then
It is expected shape memory function during breaking through NiTi Alloy by Laser increasing material manufacturings and loses the problems such as big.Nano rare earth particle is exactly
A kind of modified powder with such function.If adding a small amount of nano rare earth particle in powder core, nanometer can be not only played
The nano effect of material, but also the effects that rare earth element purifies molten bath, pinning is strengthened can be played, and then be expected to obtain a kind of work(
The laser gain material manufacture new material of the low damage type NiTi alloys of energy.
However, as far as the applicant is aware, there has been no a kind of laser gain material manufacture NiTi micro-nano powder cores of rare earth enhancing at present
Silk material and preparation method thereof is available.
Invention content
The purpose of the present invention is be also easy to produce more serious shape memory in the process for the increasing material manufacturing of NiTi Alloy by Laser
The problem of loss function, invents a kind of laser gain material manufacture NiTi micro-nano powder cored filament materials and preparation method thereof of rare earth enhancing.
One of technical scheme of the present invention is：
A kind of laser gain material manufacture NiTi micro-nano powder cored filament materials of rare earth enhancing, it is characterized in that it mainly enhances micro-nano by rare earth
Powder and package are formed with titanium skin, and rare earth enhancing micro-nano powder is accounted for the micron of entire micro-nano powder cored filament material 54% ~ 56% by quality
The rare earth nanometer powder that nickel powder accounts for entire micro-nano powder cored filament material 0.5% ~ 1.5% with quality is constituted, and the quality of titanium skin accounts for entire micro-nano powder
Core-wire material 42.5% ~ 45.5%, the sum of each component are 100%.
The rare earth nanometer powder is La, Ce, Pr, one or more of Nd mixing, and it is either simple substance can also
It is compound such as oxide.
The grain size of the μ-nickel powder is 50 ~ 75 μm.
The grain size of the rare earth nanometer powder is 30 ~ 80nm.
The rare earth enhancing micro-nano powder is the micro-nano composite powder of the nucleocapsid using powder and micron as core, nano powder for shell.
One of technical scheme of the present invention is：
A kind of preparation method of micro-nano powder cored filament material described in claim 1, it is characterized in that it mainly includes the following steps：
（1）Rare earth will be made by the load weighted μ-nickel powder of required proportioning and rare earth nanometer powder enhances micro-nano powder；
（2）The pure titanium band cut is rolled into U-shaped, then step is added into U-type groove（1）The micro-nano powder of preparation；
（3）U-type groove is healed up, makes rare earth enhancing micro-nano powder package wherein；
（4）By silk material draw-off gear, micro-nano powder cored filament material is pulled into the finished product of a diameter of 0.5 ~ 2mm.
The rare earth nanometer powder is mixed with powder and micron again after rare earth nano suspension is made.
The rare earth enhancing micro-nano powder is the micro-nano composite powder of the nucleocapsid using powder and micron as core, nano powder for shell.
Beneficial effects of the present invention：
（1）Powder cored filament material is creatively applied to laser gain material manufacturing field by the present invention, is avoided at present using powder as increasing
The problems such as powder using efficiency existing for material manufacture material is low, while also solving using solid silk material as needed for increasing material manufacturing material
Laser energy higher the problems such as being more easy to cause loss function, is especially made using micro-nano powder as powder core by optimizing therein receive
The shape regulation and control of laser gain material manufacture parts can be realized in meter Zu Fen.
（2）Laser gain material manufacture NiTi micro-nanos powder cored filament material and the preparation method of rare earth enhancing of the present invention, with
Higher boiling Ti is as crust in NiTi memorial alloys, by the protective effect of higher boiling Ti skins, preferably reduces and increases in laser
The wherein scaling loss of low boiling point element Ni in material manufacturing process, to inhibit the function of NiTi Alloy by Laser increasing material manufacturing processes to damage
It loses.
（3）Laser gain material manufacture NiTi micro-nanos powder cored filament material and the preparation method of rare earth enhancing of the present invention, not only
The effects that nano effect of wherein nano rare earth component can be played, but also rare earth purification molten bath, pinning reinforcing can be played,
Enhance the shape memory function of laser gain material manufacture NiTi alloys.
Description of the drawings
Fig. 1 is the cross-sectional view of micro-nano powder cored filament material of the present invention；
Fig. 2 is micro-nano powder cored filament material preparation technology flow chart of the present invention.
Specific implementation mode
The present invention will be further described with specific example below in conjunction with the accompanying drawings.
As shown in Figure 1 and 2.
A kind of laser gain material manufacture NiTi micro-nano powder cored filament materials of rare earth enhancing, the powder cored filament material account for entire powder by quality
The μ-nickel powder of core-wire material 54% ~ 56% accounts for the rare earth increasing that the rare earth nanometer powder of entire powder cored filament material 0.5% ~ 1.5% is constituted with quality
Strong micro-nano powder core and quality account for the titanium skin composition of entire powder cored filament material 42.5% ~ 45.5%, and the sum of each component is 100%.The rare earth
Nano powder contains La, Ce, Pr, one or more of Nd mixing, and it is either simple substance can also be compound as aoxidized
Object.The grain size of the μ-nickel powder is 50 ~ 75 μm.The grain size of the rare earth nanometer powder is 30 ~ 80nm.The micro-nano powder core is best
It is the nuclear shell structure micro-nano composite powder using powder and micron as core, nano powder for shell, as shown in Figure 1.The rare earth enhancing of the present invention swashs
Light increasing material manufacturing is with the preparation method of NiTi micro-nano powder cored filament materials：（1）It will be by the load weighted μ-nickel powder of required proportioning and dilute
Micro-nano powder is made in native nano powder；（2）The pure titanium band cut is rolled into U-shaped, then the micro-nano prepared is added into U-type groove
Powder；（3）U-type groove is healed up, makes micro-nano powder package wherein；（4）By silk material draw-off gear, micro-nano powder cored filament material is pulled into directly
Diameter is the finished product of 0.5 ~ 2mm.As shown in Fig. 2, the rare earth nanometer powder be preferably made after rare earth nano suspension again with powder and micron
Mixing.
Example one.
For preparing the laser gain material manufacture NiTi micro-nano powder cored filament materials of 1000g rare earths enhancing, specific steps such as Fig. 2
Shown, it is 65 microns of nickel powder 540g first to prepare grain size by required proportioning, then by 5g nano-cerium oxide powder（Grain size is 30nm）?
Volume ratio is 1:Dispersion is carried out in 1 alcohol water mixed solution and prepares nano suspending liquid, and the two is put into togerther ball milling in ball mill
Compound acquisition 545g rare earths enhance micro-nano powder（Such as Fig. 1）.Width 10mm, the pure titanium band 455g of thickness 0.3mm is selected first to be rolled
At U-shaped, aforementioned rare earth enhancing micro-nano powder is added in U-type groove and then is healed up, and diameter is pulled by draw-off gear
For the finished product powder cored filament material of 1.5mm.
Under same laser process conditions, the identical NiTi alloyed powders of ingredient, the solid silk materials of NiTi, the present invention is respectively adopted
The NiTi micro-nanos powder cored filament material, prepares the bar of 4mm × 4mm × 12mm, and item is tested in identical cooling-deformation-heat cycles
Their shape-memory properties are as shown in table 1 under part.
The shape-memory properties that three kinds of materials obtain test specimen are respectively adopted described in 1 example of table
| Used material | Average grain size（mm） | Ni constituent contents | Shape recovery rate after 100 cycles |
| NiTi alloyed powders | 0.38 | 53.18% | 54% |
| The solid silk materials of NiTi | 0.57 | 53.27% | 49% |
| NiTi powder cored filament materials | 0.15 | 53.83% | 70% |
Example two.
For preparing the laser gain material manufacture NiTi micro-nano powder cored filament materials of 1000g rare earths enhancing, specific steps such as Fig. 2
Shown, it is 50 microns of nickel powder 560g first to prepare grain size by required proportioning, then by 15g nano-cerium oxide powder（Grain size is 80nm）?
Volume ratio is 1:Dispersion is carried out in 1 alcohol water mixed solution and prepares nano suspending liquid, and the two is put into togerther ball milling in ball mill
Compound acquisition 575g rare earths enhance micro-nano powder（Such as Fig. 1）.Width 10mm, the pure titanium band 425g of thickness 0.3mm is selected first to be rolled
At U-shaped, aforementioned rare earth enhancing micro-nano powder is added in U-type groove and then is healed up, and diameter is pulled by draw-off gear
For the finished product powder cored filament material of 0.5mm.
Under same laser process conditions, the identical NiTi alloyed powders of ingredient, the solid silk materials of NiTi, the present invention is respectively adopted
The NiTi micro-nanos powder cored filament material, prepares the bar of 4mm × 4mm × 12mm, and item is tested in identical cooling-deformation-heat cycles
Their shape-memory properties are similar to table 1 under part.
Example three.
For preparing the laser gain material manufacture NiTi micro-nano powder cored filament materials of 1000g rare earths enhancing, specific steps such as Fig. 2
Shown, it is 75 microns of nickel powder 550g first to prepare grain size by required proportioning, then by 10g nano-cerium oxide powder（Grain size is 50nm）?
Volume ratio is 1:Dispersion is carried out in 1 alcohol water mixed solution and prepares nano suspending liquid, and the two is put into togerther ball milling in ball mill
Compound acquisition 560g rare earths enhance micro-nano powder（Such as Fig. 1）.Width 10mm, the pure titanium band 440g of thickness 0.3mm is selected first to be rolled
At U-shaped, aforementioned rare earth enhancing micro-nano powder is added in U-type groove and then is healed up, and diameter is pulled by draw-off gear
For the finished product powder cored filament material of 2mm.
Under same laser process conditions, the identical NiTi alloyed powders of ingredient, the solid silk materials of NiTi, the present invention is respectively adopted
The NiTi micro-nanos powder cored filament material, prepares the bar of 4mm × 4mm × 12mm, and item is tested in identical cooling-deformation-heat cycles
Their shape-memory properties are similar to table 1 under part.
Part that the present invention does not relate to is the same as those in the prior art or can be realized by using the prior art.
Claims (8)
1. a kind of laser gain material manufacture NiTi micro-nano powder cored filament materials of rare earth enhancing, it is characterized in that it mainly enhanced by rare earth it is micro-
Receive powder and package titanium skin composition, the rare earth enhancing micro-nano powder the micro- of entire micro-nano powder cored filament material 54% ~ 56% is accounted for by quality
The rare earth nanometer powder that rice nickel powder accounts for entire micro-nano powder cored filament material 0.5% ~ 1.5% with quality is constituted, and the quality of titanium skin accounts for entire micro-nano
Powder cored filament material 42.5% ~ 45.5%, the sum of each component are 100%.
2. micro-nano powder cored filament material according to claim 1, it is characterized in that the rare earth nanometer powder is La, Ce, Pr, in Nd
One or more mixing, and it is either simple substance can also be compound.
3. micro-nano powder cored filament material according to claim 1, it is characterized in that the grain size of the μ-nickel powder is 50 ~ 75 μm.
4. micro-nano powder cored filament material according to claim 1 or 2, it is characterized in that the grain size of the rare earth nanometer powder be 30 ~
80nm。
5. micro-nano powder cored filament material according to claim 1, it is characterized in that rare earth enhancing micro-nano powder is to be with powder and micron
The micro-nano composite powder of core, the nucleocapsid that nano powder is shell.
6. a kind of preparation method of micro-nano powder cored filament material described in claim 1, it is characterized in that it mainly includes the following steps：
（1）Rare earth will be made by the load weighted μ-nickel powder of required proportioning and rare earth nanometer powder enhances micro-nano powder；
（2）The pure titanium band cut is rolled into U-shaped, then step is added into U-type groove（1）The micro-nano powder of preparation；
（3）U-type groove is healed up, makes rare earth enhancing micro-nano powder package wherein；
（4）By silk material draw-off gear, micro-nano powder cored filament material is pulled into the finished product of a diameter of 0.5 ~ 2mm.
7. preparation method according to claim 6, it is characterized in that after rare earth nano suspension is made in the rare earth nanometer powder
It is mixed again with powder and micron.
8. preparation method according to claim 6, it is characterized in that rare earth enhancing micro-nano powder is using powder and micron as core, receives
Rice flour is the micro-nano composite powder of the nucleocapsid of shell.
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| CN114054744A (en) * | 2021-11-19 | 2022-02-18 | 吉林大学 | Method for improving comprehensive performance of laser selection melting NiTi alloy |
| CN114346247A (en) * | 2020-09-28 | 2022-04-15 | 广东省科学院材料与加工研究所 | Wire material for preparing 3D printing alloy powder and powder preparation method |
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| CN111005021A (en) * | 2019-12-20 | 2020-04-14 | 广东省新材料研究所 | Bionic composite coating, preparation method and application thereof, and flow passage component |
| CN114346247A (en) * | 2020-09-28 | 2022-04-15 | 广东省科学院材料与加工研究所 | Wire material for preparing 3D printing alloy powder and powder preparation method |
| CN114054744A (en) * | 2021-11-19 | 2022-02-18 | 吉林大学 | Method for improving comprehensive performance of laser selection melting NiTi alloy |
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