CN105728728A - Preparation and forming integrated three-dimensional printing method and preparation and forming integrated three-dimensional printing device for amorphous alloy materials - Google Patents
Preparation and forming integrated three-dimensional printing method and preparation and forming integrated three-dimensional printing device for amorphous alloy materials Download PDFInfo
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- CN105728728A CN105728728A CN201610244315.XA CN201610244315A CN105728728A CN 105728728 A CN105728728 A CN 105728728A CN 201610244315 A CN201610244315 A CN 201610244315A CN 105728728 A CN105728728 A CN 105728728A
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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
- B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
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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
- B22F3/003—Apparatus, e.g. furnaces
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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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C45/00—Amorphous alloys
- C22C45/001—Amorphous alloys with Cu as the major constituent
Abstract
The invention relates to a preparation and forming integrated three-dimensional printing method and a preparation and forming integrated three-dimensional printing device for amorphous alloy materials, belonging to the technical field of micro-droplet jetting material increase manufacturing and amorphous alloy preparation. Crystalline molten metal is directly jetted by using a metal droplet jetting material increase manufacturing technology; environmental cooling of a substrate before metal droplet jetting and deposition droplet cooling after the metal droplet jetting are realized by adopting a method of combining a rotatable double-jetting liquid nitrogen cooling device with a cold substrate; and by using a point-to-point cooling method for two times, the molten metal can be quenched and amorphized, and further the integration of preparation of the amorphous alloy materials and three-dimensional forming of a large-size complex structure are realized. According to the preparation and forming integrated three-dimensional printing method and the preparation and forming integrated three-dimensional printing device disclosed by the invention, the limit of a traditional preparation method of an amorphous alloy in a forming critical dimension of a bulk amorphous alloy is overcome; the defects of crystallization behavior and buckling deformation generated in the selective laser melting three-dimensional printing process of amorphous alloy powder are avoided; and the problem that the amorphous alloy materials are difficult to machine is solved, and the preparation and structure forming integrated three-dimensional printing of the amorphous alloy materials is realized.
Description
Technical field
The present invention relates to droplet ejection and increase material manufacture and non-crystaline amorphous metal preparing technical field, be specifically related to 3D Method of printing and the device of the preparation of a kind of amorphous alloy material and structure formation integration.
Background technology
Non-crystaline amorphous metal has metal and glass advantage concurrently, overcomes again the disadvantage of each of which.The block amorphous alloy material system now developed has La base, Zr base, Mg base, Al base, Ti base, Pd base, Fe base, Cu base, Ce base etc..Because of the mechanics of its excellence, process based prediction model, it is widely used in commercial production, sports equipment, biomedicine, consumer electronics field.
It is the one of Rapid Prototyping technique that 3D prints, it use powdery metal or plastics etc. can jointing material, construct parts by the multilamellar printing type of layer upon layer.The 3D Method of printing of metal parts, mainly has selective laser sintering, selective laser fusing, the shaping of electronics speed selective melting, metal deposit, ink-jet 3D printing, droplet ejection technology etc..The near-net-shape of metallic element be solve the manufacture of difficult-to-machine metal component in industrial equipment provide one quickly, flexibility, low cost, high-performance, short-period technology new way.
At present, bulk amorphous alloy manufacturing process mainly has water quenching, copper mold casting method, high pressure diecasting method, suction casting method, casting die etc..Amorphous alloy material preparation is by the impact of cooling medium heat conduction velocity and self glassy state Forming ability, and traditional method prepares non-crystaline amorphous metal critical dimension only up to more than 10 millimeters.High rigidity, high-wearing feature and the fragility that amorphous alloy material has simultaneously so that it is be difficult with Machining Technology and obtain complicated part.Existing non-crystaline amorphous metal 3D prints based on selective laser fusion technology shaping of amorphous alloy powder, the method needs first to prepare the amorphous powdered alloy of uniform, fine, recycling high energy beam LASER HEATING melted powder shapes, the high temperature produced can make partially-formed material temperature exceed supercooled liquid warm area, causes portion of material crystallization, buckling deformation.Existing method and technology can not realize amorphous alloy material preparation and labyrinth three-dimensional simultaneously.
Summary of the invention
The present invention provides the preparation of a kind of amorphous alloy material and forming integrated 3D Method of printing and device, to solve the traditional preparation methods problem to producing crystallization behavior, buckling deformation in the restriction of bulk amorphous alloy critical dimension, the melted 3D print procedure of amorphous powdered alloy selective laser.
The present invention adopts the technical scheme that, comprises the following steps:
(1) crucible outer ring heating furnace is by crystal alloy heating to molten condition, regulates and controls semiconductor cooling device, sets the temperature of deposition substrate；
(2) setting up the threedimensional model of the non-crystaline amorphous metal part to print, slicing delamination process forms STL formatted file, by controlling metal drop injection frequency and motion platform speed, by scanning pattern dropwise deposition formation；
(3) liquid nitrogen jet pipe two and liquid nitrogen jet pipe one are positioned on hollow rotating platform, when jet path changes, hollow rotating platform rotates to an angle, ensure metal drop shower nozzle, liquid nitrogen jet pipe two is consistent all the time with the motion platform direction of motion with liquid nitrogen jet pipe one place straight line, metal drop shower nozzle moves to specific bit and postpones, motlten metal in crucible is depressed into metal drop shower nozzle place through feed pipe by inert gas tube by inert gas pressure storage bottle, when thermocouple detection molten metal temperature is lower than design temperature, ring heater starts and ensures the better mobility of motlten metal, gas pressure regulator 9 starts, noble gas with pressure promotes piston to realize metal drop injection；
(4) when printing print point on non-crystaline amorphous metal part, round turntable drives metal drop shower nozzle, liquid nitrogen jet pipe one and liquid nitrogen jet pipe two are first lowered down into apart from this print point 0.1-0.5mm place, high-pressure nitrogen bottle provides liquid nitrogen by liquid nitrogen pipe position liquid nitrogen jet pipe one and liquid nitrogen jet pipe two, liquid nitrogen jet pipe two first sprays liquid nitrogen in this point makes deposition substrate environment cools, this print point moves to metal drop shower nozzle and sprays molten metal drop, then this print point moves to liquid nitrogen jet pipe one and makes deposition molten drop quickly cool down at this point fill-before-fire liquid nitrogen and fades to amorphous state；
(5) after completing one layer of jet printing in the same fashion by scanning track, shower nozzle one printable layer thickness of rising, repeat the above steps (3)-(4), it is finally completed preparation and the forming process of non-crystaline amorphous metal part.
Non-crystaline amorphous metal of the present invention includes La base, Zr base, Mg base, Al base, Ti base, Pd base, Fe base, Cu base, Ce base noncrystal alloy.
The translational speed 10-100mm/s of deposition substrate 19 of the present invention, set deposition substrate temperature is that zero degrees celsius arrives subzero 30 degrees Celsius.
Step of the present invention (3) sets liquid nitrogen jet pipe two and liquid nitrogen jet pipe one axial connecting line and X-axis positive direction angle α, 0 ° < α < 180 °, it it is initial position during α=0 °, metal drop jet path and X-axis positive direction angle β, when jet path changes, hollow rotating platform 22 rotates to an angle so that α=β, ensure metal drop shower nozzle, liquid nitrogen jet pipe two and liquid nitrogen jet pipe one place straight line, consistent all the time with the motion platform direction of motion.
In step of the present invention (3), the pressure of inert gas pressure storage bottle is 0.8MPa.
In step of the present invention (3), the range of regulation of gas pressure regulator is 0-0.8MPa.
Described in step of the present invention (4), the pressure of high pressure nitrogen storage bottle is 0.3-0.8MPa.
nullA kind of 3D printing equipment of amorphous alloy material preparation and structure formation one，High-pressure liquid nitrogen tank by liquid nitrogen pipe 7 respectively with liquid nitrogen spray one、Liquid nitrogen spray two is connected，Liquid nitrogen pipe is provided with switch one，Inert gas pressure storage bottle is connected with crucible by inert gas tube one，Crucible for holding motlten metal is outside equipped with rotary heating furnace，Crucible is connected with metal drop shower nozzle by feed pipe，Feed pipe is provided with switch two，Inert gas pressure storage bottle is connected with metal drop shower nozzle through gas pressure regulator by inert gas tube two，Deposition substrate is fixed on the base of triaxial movement platform，Semiconductor cooling device is arranged on below deposition substrate，Round turntable is fixed by bolts to above hollow rotating platform，Metal drop shower nozzle and liquid nitrogen jet pipe one、Liquid nitrogen jet pipe two is fixed on the Z axis of triaxial movement platform by hollow rotating platform and round turntable，Metal drop shower nozzle is provided with heat ray filter，Ring heater and the installation of TC are inside the heat ray filter of metal drop shower nozzle.
Described semiconductor cooling device is by upper electrode, fin, rheostat, fan, power supply, quasiconductor, bottom electrode forms, upper electrode is arranged on below deposition substrate, upper base part sets gradually quasiconductor, bottom electrode, fin and fan, the both positive and negative polarity of power supply is connected with the bottom electrode left and right sides, forms loop, loop is provided with rheostat.
The present invention adopts cold substrate and double; two hydrojet nitrogen chiller, realizes amorphous alloy material preparation in conjunction with metal drop injection increasing material manufacturing technology and large scale labyrinth is forming integrated.By cold substrate and rotatable pair of liquid nitrogen spray, it is achieved metal drop injection prebasal plate environment cools and deposition molten drop cooling after metal drop injection, twice " point-to-point " cooling means better ensures the amorphous characteristic of formation of parts.
Advantages of the present invention is as follows:
(1) present invention adopts cold substrate and double; two hydrojet nitrogen chiller, prepares amorphous alloy material in conjunction with 3D printing technique and shapes large volume complicated shape non-crystaline amorphous metal part simultaneously.The method realizes amorphous alloy material preparation and structure formation integration, saves manufacturing procedure, improves work efficiency.
(2) water quenching, copper mold casting method are only capable of shaping the non-crystaline amorphous metal part of more than 10 millimeter simple in construction, and the present invention produces structure non-crystaline amorphous metal part complicated, larger sized in conjunction with 3D printing technique, 10mm at least bigger than the non-crystaline amorphous metal accessory size that water quenching, copper mold casting method manufacture.
(3), compared with printing with the melted 3D of amorphous powdered alloy selective laser, present invention saves the preparation process of amorphous powdered alloy, avoid crystallization behavior and buckling deformation in high energy beam LASER HEATING melted powder process simultaneously.
(4) employing rotary type is forward and backward puts double; two spray liquid nitrogen plan, it is achieved metal drop injection prebasal plate environment cools and metal drop deposit molten drop cooling, the amorphous characteristic of twice " point-to-point " cooling better guarantee formation of parts after spraying.
(5) arranging semiconductor cooling device under printing substrate, according to experiment cooler environment requirement, standardsizing rheostat controls substrate temperature.If desired hot substrate, it is possible to change the sense of current and realize substrate heating effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is semiconductor cooling device structural representation of the present invention；
Fig. 3 is hollow rotating platform structure schematic diagram of the present invention, because hollow rotating platform is positioned at round turntable, for knowing expression hollow rotating platform, is drawn as by round turntable transparent；
Fig. 4 is shower nozzle place of the present invention partial enlarged drawing；
Fig. 5 is the schematic diagram of hollow rotating platform 22 rotation alpha angle of the present invention；
Fig. 6 is the schematic diagram of metal drop jet path of the present invention and X-axis positive direction angle β.
Detailed description of the invention
nullA kind of 3D printing equipment of amorphous alloy material preparation and structure formation one，High-pressure liquid nitrogen tank 21 is by liquid nitrogen pipe 7 and liquid nitrogen spray 1、Liquid nitrogen spray 2 16 is connected，For liquid nitrogen spray 1、Liquid nitrogen spray 2 15 provides high-pressure liquid nitrogen，Liquid nitrogen pipe 7 is provided with switch 1，Control the unlatching Guan Bi of liquid nitrogen jet pipe 7，Realize need based jet，" point-to-point " accurately cools down，Inert gas pressure storage bottle 5 is connected with crucible 2 by inert gas tube 1，Feeding power is provided，Motlten metal 1 is placed in crucible 2，Crucible 2 is outside equipped with rotary heating furnace 3，Crucible 2 heats to keep the mobility of motlten metal 1，Crucible 2 is connected with metal drop shower nozzle 10 by feed pipe 6，Feed pipe 6 is provided with switch 2 23，Controlling feed pipe 6 opening and closing is metal drop shower nozzle 10 feed，Inert gas pressure storage bottle 5 is connected with metal drop shower nozzle 10 through gas pressure regulator 9 by inert gas tube 2 13，Regulated by pressure and realize motlten metal 1 droplet ejection，Deposition substrate 19 is fixed on the base of triaxial movement platform 12，The motion in XY direction can be realized，Semiconductor cooling device 20 is arranged on below deposition substrate 19，Deposition substrate 19 is freezed，Round turntable 14 is fixed by bolts to above hollow rotating platform 22，Metal drop shower nozzle 10 and liquid nitrogen jet pipe 1、Liquid nitrogen jet pipe 2 16 is fixed on the Z axis of triaxial movement platform 12 by hollow rotating platform 22 and round turntable 14，The motion of Z-direction can be realized，Hollow rotating platform 22 drives liquid nitrogen jet pipe 1、Liquid nitrogen jet pipe 2 16 rotates，Realize metal drop shower nozzle 10、Liquid nitrogen jet pipe 1、Liquid nitrogen jet pipe 2 16 place straight line，Consistent with the motion platform direction of motion，Metal drop shower nozzle 10 is provided with heat ray filter 11，Motlten metal 1 is avoided to be subject to cold environmental effect，Ring heater 18 and thermocouple 17 are arranged on inside the heat ray filter 11 of metal drop shower nozzle，External temperature controller，Motlten metal 1 Temperature Feedback is detected to temperature controller by thermocouple 17，Control whether ring heater 18 works.
Described semiconductor cooling device 20 is by upper electrode 2001, fin 2002, rheostat 2003, fan 2004, power supply 2005, quasiconductor 2006, bottom electrode 2007 forms, upper electrode 2001 is arranged on below deposition substrate 19, upper base part sets gradually quasiconductor 2006, bottom electrode 2007, fin 2002 and fan 2004, the both positive and negative polarity of power supply 2005 is connected with the bottom electrode left and right sides, forms loop, loop is provided with rheostat 2003.
The preparation of a kind of amorphous alloy material and forming integrated 3D Method of printing, comprise the following steps:
(1) crucible 2 outer ring heating furnace 3 is by crystal alloy heating to molten condition, regulates and controls semiconductor cooling device 20, and the temperature setting deposition substrate 19 arrives subzero 30 degrees Celsius as zero degrees celsius；
(2) setting up the threedimensional model of the non-crystaline amorphous metal part to print, slicing delamination process forms STL formatted file, by controlling metal drop injection frequency and motion platform speed, by scanning pattern dropwise deposition formation；
null(3) liquid nitrogen jet pipe 2 16 and liquid nitrogen jet pipe 1 are positioned on hollow rotating platform，When jet path changes，Hollow rotating platform 22 rotates to an angle，Ensure metal drop shower nozzle 10、Liquid nitrogen jet pipe 2 16 is consistent all the time with the motion platform direction of motion with liquid nitrogen jet pipe 1 place straight line，Metal drop shower nozzle 10 moves to specific bit and postpones，Its pressure of inert gas pressure storage bottle 5 is 0.8MPa，By inert gas tube 4, motlten metal 1 in crucible 2 is depressed into metal drop shower nozzle 10 place through feed pipe 6，When thermocouple 17 detects molten metal temperature lower than design temperature，Ring heater 18 starts and ensures the better mobility of motlten metal，Gas pressure regulator 9 starts，Noble gas with pressure promotes piston to realize metal drop injection，Wherein the range of regulation of gas pressure regulator is 0-0.8MPa；
(4) when printing print point on non-crystaline amorphous metal part, round turntable 14 drives metal drop shower nozzle 10, liquid nitrogen jet pipe 1 and liquid nitrogen jet pipe 2 16 are first lowered down into apart from this print point 0.1-0.5mm place, its pressure of high-pressure nitrogen bottle 21 provides liquid nitrogen by liquid nitrogen pipe 7 for liquid nitrogen jet pipe 1 and liquid nitrogen jet pipe 2 16 for 0.3-0.8MPa, liquid nitrogen jet pipe 2 16 first sprays liquid nitrogen in this point makes deposition substrate 19 environment cools, this print point moves to metal drop shower nozzle 10 and sprays molten metal drop, then this print point moves to liquid nitrogen jet pipe 1 and makes deposition molten drop quickly cool down at this point fill-before-fire liquid nitrogen and fades to amorphous state；
(5) after completing one layer of jet printing in the same fashion by scanning track, shower nozzle one printable layer thickness of rising, repeat the above steps (3)-(4), it is finally completed preparation and the forming process of non-crystaline amorphous metal part；
Non-crystaline amorphous metal of the present invention includes La base, Zr base, Mg base, Al base, Ti base, Pd base, Fe base, Cu base, Ce base noncrystal alloy.
The translational speed 10-100mm/s of deposition substrate 19 of the present invention, set deposition substrate temperature is that zero degrees celsius arrives subzero 30 degrees Celsius；
Step of the present invention (3) sets liquid nitrogen jet pipe 2 16 and liquid nitrogen jet pipe 1 axial connecting line and X-axis positive direction angle α (0 ° < α < 180 °), it it is initial position during α=0 °, metal drop jet path and X-axis positive direction angle β, when jet path changes, hollow rotating platform 22 rotates to an angle, make α=β, it is ensured that metal drop shower nozzle 10, liquid nitrogen jet pipe 2 16 and liquid nitrogen jet pipe 1 place straight line, consistent all the time with the motion platform direction of motion；The angle α and the angle β that arrange are absolute angle, and the positive and negative size of absolute angle difference determines that hollow rotating platform is along rotating counterclockwise angle, and absolute angle numerical value is less than 180 °, it is to avoid winding situation occurs in liquid nitrogen pipe 7.
The present invention is further illustrated below by specific embodiment.
(1) Cu base alloy (Cu47Ti33Zr9Nb2Ni8Si1) is heated to 1200-1300K by crucible 2 external power 2000W rotary heating furnace 3, reaches molten condition.Regulation and control semiconductor cooling device 20, sets the temperature of deposition substrate 19 as 243-273K.
(2) CAD software sets up Cu base noncrystal alloy three-dimensional part model, and slicing delamination process forms STL formatted file, by controlling metal drop injection frequency and motion platform speed, by scanning pattern dropwise deposition formation.
(3) set liquid nitrogen jet pipe 2 16 and liquid nitrogen jet pipe 1 axial connecting line and X-direction angle α (α < 180 °), be liquid nitrogen jet pipe initial position during α=0 °.Metal drop jet path and X-direction angle β, when jet path changes, annular generator rotates to an angle, make α=β, it is ensured that metal drop shower nozzle 10, liquid nitrogen jet pipe 2 16 and liquid nitrogen jet pipe 1 place straight line, consistent all the time with the motion platform direction of motion, the angle α and the angle β that arrange in program are absolute angle, the positive and negative size of absolute angle difference determines annular generator forward and reverse rotational angle, and absolute angle numerical value is less than 180 °, it is to avoid winding situation occurs in liquid nitrogen pipe 7.
(4) motion platform work process movement velocity is 50-100mm/s, it is 1.57mL/s that liquid nitrogen pipe 16 and liquid nitrogen pipe 15 spray liquid nitrogen flow velocity, shower nozzle moves to specific bit and postpones, motlten metal 1 in crucible 2 is arrived metal drop shower nozzle 10 place through feed pipe 6 by high-pressure pneumatic device, when thermocouple 17 detects molten metal temperature lower than 1200K, ring heater 18 starts heating and ensures flow of molten metal.Controlling pneumatic means promotes piston to realize metal drop 100-200 μm, and the forced convertion between tiny fusing point and injection liquid nitrogen makes molten drop obtain great degree of supercooling, and heat discharges rapidly realization quickly cooling.
(5) critical cooling rate of Cu base noncrystal alloy (Cu47Ti33Zr9Nb2Ni8Si1) is 104-105K/s, therefore needs the Cu base alloy molten drop realizing ejecting quickly to cool down.Cooling A point is any point on Cu base noncrystal alloy (Cu47Ti33Zr9Nb2Ni8Si1) printout, in the process printing A point, liquid nitrogen pipe 16 first sprays liquid nitrogen at A point makes printing substrate environment cools, shower nozzle arrives A point injection molten metal drop, and liquid nitrogen pipe 15 makes deposition molten drop quickly cool down at A point fill-before-fire liquid nitrogen and fades to amorphous state.
(6) after completing one layer of jet printing by scanning track, shower nozzle one print thickness of rising, repeats above-mentioned (4)-(5) process, is finally completed preparation and the forming process of non-crystaline amorphous metal part.
Claims (9)
1. an amorphous alloy material preparation and forming integrated 3D Method of printing, it is characterised in that comprise the following steps:
(1) crucible outer ring heating furnace is by crystal alloy heating to molten condition, regulates and controls semiconductor cooling device, sets the temperature of deposition substrate；
(2) setting up the threedimensional model of the non-crystaline amorphous metal part to print, slicing delamination process forms STL formatted file, by controlling metal drop injection frequency and motion platform speed, by scanning pattern dropwise deposition formation；
(3) liquid nitrogen jet pipe two and liquid nitrogen jet pipe one are positioned on hollow rotating platform, when jet path changes, hollow rotating platform rotates to an angle, ensure metal drop shower nozzle, liquid nitrogen jet pipe two is consistent all the time with the motion platform direction of motion with liquid nitrogen jet pipe one place straight line, metal drop shower nozzle moves to specific bit and postpones, motlten metal in crucible is depressed into metal drop shower nozzle place through feed pipe by inert gas tube by inert gas pressure storage bottle, when thermocouple detection molten metal temperature is lower than design temperature, ring heater starts and ensures the better mobility of motlten metal, gas pressure regulator 9 starts, noble gas with pressure promotes piston to realize metal drop injection；
(4) when printing print point on non-crystaline amorphous metal part, round turntable drives metal drop shower nozzle, liquid nitrogen jet pipe one and liquid nitrogen jet pipe two are first lowered down into apart from this print point 0.1-0.5mm place, high-pressure nitrogen bottle provides liquid nitrogen by liquid nitrogen pipe position liquid nitrogen jet pipe one and liquid nitrogen jet pipe two, liquid nitrogen jet pipe two first sprays liquid nitrogen in this point makes deposition substrate environment cools, this print point moves to metal drop shower nozzle and sprays molten metal drop, then this print point moves to liquid nitrogen jet pipe one and makes deposition molten drop quickly cool down at this point fill-before-fire liquid nitrogen and fades to amorphous state；
(5) after completing one layer of jet printing in the same fashion by scanning track, shower nozzle one printable layer thickness of rising, repeat the above steps (3)-(4), it is finally completed preparation and the forming process of non-crystaline amorphous metal part.
2. amorphous alloy material according to claim 1 preparation and forming integrated 3D Method of printing, it is characterised in that: non-crystaline amorphous metal includes La base, Zr base, Mg base, Al base, Ti base, Pd base, Fe base, Cu base, Ce base noncrystal alloy.
3. amorphous alloy material according to claim 1 preparation and forming integrated 3D Method of printing, it is characterised in that: the translational speed 10-100mm/s of deposition substrate 19, set deposition substrate temperature is that zero degrees celsius arrives subzero 30 degrees Celsius.
4. amorphous alloy material according to claim 1 preparation and forming integrated 3D Method of printing, it is characterized in that: step (3) sets liquid nitrogen jet pipe two and liquid nitrogen jet pipe one axial connecting line and X-axis positive direction angle α, 0 ° < α < 180 °, it it is initial position during α=0 °, metal drop jet path and X-axis positive direction angle β, when jet path changes, hollow rotating platform 22 rotates to an angle, make α=β, ensure metal drop shower nozzle, liquid nitrogen jet pipe two and liquid nitrogen jet pipe one place straight line, consistent all the time with the motion platform direction of motion.
5. amorphous alloy material according to claim 1 preparation and forming integrated 3D Method of printing, it is characterised in that: in step (3), the pressure of inert gas pressure storage bottle is 0.8MPa.
6. amorphous alloy material according to claim 1 preparation and forming integrated 3D Method of printing, it is characterised in that: in step (3), the range of regulation of gas pressure regulator is 0-0.8MPa.
7. amorphous alloy material according to claim 1 preparation is characterized in that with forming integrated 3D Method of printing: described in step (4), the pressure of high pressure nitrogen storage bottle is 0.3-0.8MPa.
null8. an amorphous alloy material preparation and forming integrated 3D printing equipment，It is characterized in that: high-pressure liquid nitrogen tank by liquid nitrogen pipe 7 respectively with liquid nitrogen spray one、Liquid nitrogen spray two is connected，Liquid nitrogen pipe is provided with switch one，Inert gas pressure storage bottle is connected with crucible by inert gas tube one，Crucible for holding motlten metal is outside equipped with rotary heating furnace，Crucible is connected with metal drop shower nozzle by feed pipe，Feed pipe is provided with switch two，Inert gas pressure storage bottle is connected with metal drop shower nozzle through gas pressure regulator by inert gas tube two，Deposition substrate is fixed on the base of triaxial movement platform，Semiconductor cooling device is arranged on below deposition substrate，Round turntable is fixed by bolts to above hollow rotating platform，Metal drop shower nozzle and liquid nitrogen jet pipe one、Liquid nitrogen jet pipe two is fixed on the Z axis of triaxial movement platform by hollow rotating platform and round turntable，Metal drop shower nozzle is provided with heat ray filter，Ring heater and the installation of TC are inside the heat ray filter of metal drop shower nozzle.
9. a kind of amorphous alloy material according to claim 8 preparation and forming integrated 3D printing equipment, it is characterized in that: described semiconductor cooling device is by upper electrode, fin, rheostat, fan, power supply, quasiconductor, bottom electrode forms, upper electrode is arranged on below deposition substrate, and upper base part sets gradually quasiconductor, bottom electrode, fin and fan, and the both positive and negative polarity of power supply is connected with the bottom electrode left and right sides, form loop, loop is provided with rheostat.
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| CN109881226A (en) * | 2019-04-03 | 2019-06-14 | 西北工业大学 | A kind of printing plating of uniform droplet quickly prepares highly conductive microcircuit devices |
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| CN110640153B (en) * | 2019-09-20 | 2023-10-03 | 秦皇岛市太极环纳米材料研究所 | Amorphous alloy preparation device and preparation method |
| CN111231320A (en) * | 2020-03-02 | 2020-06-05 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Novel 3D print platform |
| CN111958090A (en) * | 2020-08-12 | 2020-11-20 | 苏州鑫之博科技有限公司 | Plasma arc material increase device and material increase method |
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