CN109821924A - A kind of amorphous alloy micro-pipe preparation method - Google Patents
A kind of amorphous alloy micro-pipe preparation method Download PDFInfo
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- CN109821924A CN109821924A CN201910048623.9A CN201910048623A CN109821924A CN 109821924 A CN109821924 A CN 109821924A CN 201910048623 A CN201910048623 A CN 201910048623A CN 109821924 A CN109821924 A CN 109821924A
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Abstract
A kind of amorphous alloy micro-pipe preparation method, is related to amorphous alloy forming field, and the preparation method is the following steps are included: S1, drilling: carrying out drilling processing to die casting channel;S2, inner wall polishing: the inner wall in the die casting channel after completion step S1 is processed by shot blasting, inner hole shaping steel wire is made;S3, outer wall polishing: the outer wall of the interior hole forming copper wire after completion step S2 is processed by shot blasting;S4, assembling die: after completing step S3, interior hole forming copper wire is assemblied on mold;S5, die casting: the die casting of amorphous micro-pipe is carried out by the interior hole forming copper wire in step S4;S6, extraction: extracting inner hole copper wire, and copper wire and amorphous micro-pipe is allowed to carry out negative drawing, and the process flow of the preparation method is simple, efficiently, and can obtain the biggish amorphous alloy micro-pipe of length by the preparation method.
Description
Technical field
The present invention relates to amorphous alloy forming fields, and in particular to a kind of amorphous alloy micro-pipe preparation method.
Background technique
Amorphous alloy relies on its preferable corrosion resistance, wearability, elasticity and biocompatibility, in machinery, electronics, life
The fields such as object, medical treatment, which are gathered around, to be had broad application prospects.For biologic medical field, amorphous alloy chemical stabilization
The more common medical metal of property is good, and intensity is big compared with polymer, and bio-toxicity is small, non-for Minimally Invasive Surgery instrument
Peritectic alloy micro-pipe is in terms of hysteroscope, vivo medicine delivery instrument with respect to possessing more significant advantage for current material.
But the people of research amorphous micro-pipe manufacture is less at present, amorphous micro-pipe still falls within blank in the market.
Summary of the invention
A kind of amorphous alloy micro-pipe preparation side is provided it is an object of the invention to avoid shortcoming in the prior art
Method, the simple process of the amorphous alloy micro-pipe preparation method efficiently, and can obtain the biggish amorphous of length by the preparation method
Alloy micro-pipe.
The purpose of the present invention is achieved through the following technical solutions: a kind of amorphous alloy micro-pipe preparation method, preparation method packet
Include following steps:
S1, drilling: drilling processing is carried out to die casting channel;
S2, inner wall polishing: the inner wall in the die casting channel after completion step S1 is processed by shot blasting, inner hole shaping steel wire is made;
S3, outer wall polishing: the outer wall of the interior hole forming copper wire after completion step S2 is processed by shot blasting;
S4, assembling die: after completing step S3, interior hole forming copper wire is assemblied on mold;
S5, die casting: the die casting of amorphous micro-pipe is carried out by the interior hole forming copper wire in step S4;
S6, extraction: extracting inner hole copper wire, and copper wire and amorphous micro-pipe is allowed to carry out negative drawing.
Wherein, in step sl, select thermal conductivity greater than 300 W/Mk copper alloy be used as mold materials, using machinery,
Laser, electric spark or lithographic method carry out hole machined, and wall taper is 1-5 ° after processing, and outlet diameter is 50-1000 μm, interior
Wall roughness is Ra 0.1-2 μm.
Preferably, in step sl, it selects the copper alloy of 450 W/Mk of thermal conductivity as mold materials, is carried out using laser
Hole machined, wall taper is 3 ° after processing, and outlet diameter is 500 μm, and inner wall roughness is 1.2 μm of Ra.
Wherein, in step s 2, mold hole wall is carried out using abradant jet, laser, plasma slurry or magnetic fluid
Polishing, inner wall roughness is Ra0.01-0.05 μm after polishing.
Wherein, in step s3, it is polished using the mechanical or internal hole forming copper wire of plasma slurry, copper after polishing
Silk diameter is 50-600 μm, and surface roughness is Ra0.005-0.03 μm.
Wherein, in step s 4, by interior hole forming copper wire loaded on mold, copper wire passes through mold mesoporous, is drawn by fixture
Directly, copper wire and mold mesoporous concentricity are less than 0.02 μm.
Wherein, in step s 5, it carries out the die casting of amorphous micro-pipe and is sufficiently mixed material material melt back 3 times or more before die casting
Expect element, inner hole copper wire surface coats release agent, then carries out die casting, and die casting rate is greater than 4m/s, in press casting procedure copper wire with
Amorphous pipeline is extracted out from mould outlet simultaneously.
Preferably, in step s 5, the die casting of amorphous micro-pipe is carried out, material melt back 5 times, are sufficiently mixed material before die casting
Element, inner hole copper wire surface coat release agent, then carry out die casting, die casting rate 5m/s, copper wire and amorphous pipe in press casting procedure
It is extracted out simultaneously from mould outlet in road.
Wherein, in step s 6, inner hole copper wire is extracted, the rate for extracting copper wire is less than 1m/s, guarantees the integrality of micro-pipe.
Preferably, in step s 6, inner hole copper wire is extracted, the rate for extracting copper wire is 0.5m/s, guarantees the complete of micro-pipe
Property.
Compared with the existing technology, amorphous alloy micro-pipe preparation method of the invention the utility model has the advantages that preparation side of the invention
Method is the following steps are included: S1, drilling: carrying out drilling processing to die casting channel;S2, inner wall polishing: to the pressure after completion step S1
The inner wall of casting passage is processed by shot blasting, inner hole shaping steel wire is made;S3, outer wall polishing: to complete step S2 after inner hole at
The outer wall of type copper wire is processed by shot blasting;S4, assembling die: after completing step S3, interior hole forming copper wire is assemblied in mold
On;S5, die casting: the die casting of amorphous micro-pipe is carried out by the interior hole forming copper wire in step S4;S6, extraction: inner hole copper wire is extracted, is allowed
Copper wire and amorphous micro-pipe carry out negative drawing, and the process flow of the preparation method is simple, efficiently, and can be obtained by the preparation method
Obtain the biggish amorphous alloy micro-pipe of length.
Detailed description of the invention
Invention is described further using attached drawing, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to the following drawings
Its attached drawing.
Fig. 1 is the flow chart of preparation method of the invention；
Fig. 2 is preparation method equipment therefor structural schematic diagram of the invention；
Fig. 3 is the structural schematic diagram of step S5 in preparation method of the invention；
Fig. 4 is the structural schematic diagram of step S6 in preparation method of the invention；
In figure: 1 copper wire, 2 sealings/release grease, 3 upper mold copper wire fixtures, 4 upper molds, 5 lower dies, 6 micro-pipe casting cavities, 7 copper wire fixtures,
10 die casting mouths, 20 molten state amorphous, 30 amorphous micro-pipes.
Specific embodiment
Specific implementation of the invention is described further below in conjunction with drawings and examples, but the invention is not limited to
This.
Embodiment 1:
A kind of preparation method of amorphous alloy micro-pipe of the present embodiment, preparation flow is as shown in Figure 1, selecting Zr, Cu, Al is raw material
Amorphous alloy micro-pipe is manufactured, preparation method is as follows:
As in Figure 2-4, step S1 is first carried out, selects copper alloy as upper mold 4 and lower die 5, mold thermal conductivity is about 450W/
Mk, die casting channel 6 are processed using femtosecond laser, laser pulse width 200fs, frequency 100KHz, scanning speed 200mm/s,
50 μ J of single pulse energy, after processing 6 outlet section wall taper of die casting channel be 3 °, Ra1.2 μm of Hole Wall Roughness, 500 μm of aperture.
Then step S2 is executed, is polished using the inner hole wall that plasma slurry carries out die casting channel 6, polishing time 20min,
0.05 μm of hole wall roughness Ra after polishing.
Then step S3 is executed, 200 μm of diameter of copper wire 1 is selected, carries out outer wall polishing using plasma slurry, when polishing
Between 30min, 0.03 μm of outer wall roughness Ra after polishing.
Then step S4 is executed, by interior hole forming copper wire 1 loaded on mold, copper wire 1 passes through 6 mesoporous of die casting channel,
It is straightened by upper mold copper wire fixture 3 and copper wire fixture 7, copper wire 1 and 6 mesoporous concentricity of die casting channel are 0.02 μm.
Then step S5 is executed, uses Zr, Cu, Al as composition of raw materials element, melt back 5 times, allows each element in raw material
Be sufficiently mixed, die casting rate is 5m/s, and temperature reaches 730K before material die casting, 20 material of molten state amorphous by die casting mouth 10 into
Row die casting, copper wire 1 follows copper wire fixture 7 to pump in press casting procedure, and rate is identical as die casting rate, coats after guaranteeing amorphous die casting
In copper wire surface.
Then step S6 is executed, sealing/release grease 2 is added in the two sides of copper wire, copper wire 1 and amorphous micro-pipe 30 are carried out instead
Demoulding, tensile speed 0.5m/s are realized to stretching.
The process flow of the preparation method is simple, efficiently, and can obtain the biggish amorphous of length by the preparation method and close
Golden micro-pipe.
Embodiment 2:
A kind of preparation method of amorphous alloy micro-pipe of the present embodiment, preparation flow is as shown in Figure 1, select Zr, Cu, Al, Ni
Amorphous alloy micro-pipe is prepared as raw material, preparation method is as follows:
As in Figure 2-4, step S1 is first carried out, selects copper alloy as upper mold 4 and lower die 5, mold thermal conductivity is about 500W/
Mk, die casting channel 6 are processed using femtosecond laser, laser pulse width 200fs, frequency 100KHz, scanning speed 230mm/s,
38 μ J of single pulse energy, after processing die casting chamber outlet section wall taper be 3 °, Ra0.9 μm of Hole Wall Roughness, 300 μm of aperture.
Then step S2 is executed, is polished using the inner hole wall that plasma slurry carries out die casting channel 6, polishing time 20min,
0.05 μm of hole wall roughness Ra after polishing.
Then step S3 is executed, 100 μm of diameter of copper wire 1 is selected, carries out outer wall polishing using plasma slurry, when polishing
Between 30min, 0.03 μm of outer wall roughness Ra after polishing.
Then step S4 is executed, by interior hole forming copper wire 1 loaded on mold, copper wire 1 passes through 6 mesoporous of die casting channel,
It is straightened by upper mold copper wire fixture 3 and copper wire fixture 7, copper wire 1 and 6 mesoporous concentricity of die casting channel are 0.01 μm.
Then step S5 is executed, uses Zr, Cu, Al, Ni as composition of raw materials element, melt back 5 times, allows each member in raw material
Element is sufficiently mixed, die casting rate 7m/s, and temperature reaches 700K before material die casting, 20 material of molten state amorphous by die casting mouth 10 into
Row die casting, copper wire 1 follows copper wire fixture 7 to pump in press casting procedure, and rate is identical as die casting rate, coats after guaranteeing amorphous die casting
In copper wire surface.
Then step S6 is executed, sealing/release grease 2 is added in the two sides of copper wire, copper wire 1 and amorphous micro-pipe 30 are carried out instead
Demoulding, tensile speed 1m/s are realized to stretching.
The process flow of the preparation method is simple, efficiently, and can obtain the biggish amorphous of length by the preparation method and close
Golden micro-pipe.
Embodiment 3:
A kind of preparation method of amorphous alloy micro-pipe of the present embodiment, preparation flow is as shown in Figure 1, select Zr, Cu, Al, Ni, Ag
Amorphous alloy micro-pipe is prepared as raw material, preparation method is as follows:
As in Figure 2-4, step S1 is first carried out, selects copper alloy as upper mold 4 and lower die 5, mold thermal conductivity is about 500W/
Mk, die casting channel 6 are processed using femtosecond laser, laser pulse width 200fs, frequency 150KHz, scanning speed 220mm/s,
62 μ J of single pulse energy, after processing 6 outlet section wall taper of die casting channel be 5 °, Ra1.5 μm of Hole Wall Roughness, 200 μm of aperture.
Then step S2 is executed.It is polished using the inner hole wall that plasma slurry carries out die casting channel 6, polishing time 20min,
0.05 μm of hole wall roughness Ra after polishing.
Then step S3 is executed, 80 μm of diameter of copper wire 1 is selected, carries out outer wall polishing using plasma slurry, when polishing
Between 30min, 0.03 μm of outer wall roughness Ra after polishing.
Then step S4 is executed, by interior hole forming copper wire 1 loaded on mold, copper wire 1 passes through 6 mesoporous of die casting channel,
It is straightened by upper mold copper wire fixture 3 and copper wire fixture 7, copper wire 1 and 6 mesoporous concentricity of die casting channel are 0.01 μm.
Then step S5 is executed, uses Zr, Cu, Al, Ni as composition of raw materials element, melt back 5 times, allows each member in raw material
Element is sufficiently mixed, die casting rate 6m/s, and temperature reaches 750K before material die casting, 20 material of molten state amorphous by die casting mouth 10 into
Row die casting, copper wire 1 follows copper wire fixture 7 to pump in press casting procedure, and rate is identical as die casting rate, coats after guaranteeing amorphous die casting
In copper wire surface.
Then step S6 is executed, sealing/release grease 2 is added in the two sides of copper wire, copper wire 1 and amorphous micro-pipe 30 are carried out instead
Demoulding, tensile speed 0.8m/s are realized to stretching.
The process flow of the preparation method is simple, efficiently, and can obtain the biggish amorphous of length by the preparation method and close
Golden micro-pipe.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (10)
1. a kind of amorphous alloy micro-pipe preparation method, which is characterized in that preparation method the following steps are included:
S1, drilling: drilling processing is carried out to die casting channel;
S2, inner wall polishing: the inner wall in the die casting channel after completion step S1 is processed by shot blasting, inner hole shaping steel wire is made;
S3, outer wall polishing: the outer wall of the interior hole forming copper wire after completion step S2 is processed by shot blasting;
S4, assembling die: after completing step S3, interior hole forming copper wire is assemblied on mold;
S5, die casting: the die casting of amorphous micro-pipe is carried out by the interior hole forming copper wire in step S4;
S6, extraction: extracting inner hole copper wire, and copper wire and amorphous micro-pipe is allowed to carry out negative drawing.
2. a kind of amorphous alloy micro-pipe preparation method according to claim 1, it is characterised in that: in step sl, select
Copper alloy of the thermal conductivity greater than 300 W/Mk carries out hole as mold materials, using machinery, laser, electric spark or lithographic method
Processing, wall taper is 1-5 ° after processing, and outlet diameter is 50-1000 μm, and inner wall roughness is Ra 0.1-2 μm.
3. a kind of amorphous alloy micro-pipe preparation method according to claim 2, it is characterised in that: in step sl, select
The copper alloy of 450 W/Mk of thermal conductivity carries out hole machined as mold materials, using laser, and wall taper is 3 ° after processing, outlet
Diameter is 500 μm, and inner wall roughness is 1.2 μm of Ra.
4. a kind of amorphous alloy micro-pipe preparation method according to claim 1, it is characterised in that: in step s 2, use
Abradant jet, laser, plasma slurry or magnetic fluid polish mold hole wall, and inner wall roughness is after polishing
Ra0.01-0.05μm。
5. a kind of amorphous alloy micro-pipe preparation method according to claim 1, it is characterised in that: in step s3, use
The mechanical or internal hole forming copper wire of plasma slurry is polished, and brass wire diameter is 50-600 μm after polishing, surface roughness
It is Ra0.005-0.03 μm.
6. a kind of amorphous alloy micro-pipe preparation method according to claim 1, it is characterised in that: in step s 4, will be interior
For hole forming copper wire loaded on mold, copper wire passes through mold mesoporous, is straightened by fixture, copper wire is less than with mold mesoporous concentricity
0.02μm。
7. a kind of amorphous alloy micro-pipe preparation method according to claim 1, it is characterised in that: in step s 5, carry out
Amorphous micro-pipe die casting material melt back 3 times or more before die casting, is sufficiently mixed material element, the coating demoulding of inner hole copper wire surface
Then agent carries out die casting, die casting rate is greater than 4m/s, and copper wire and amorphous pipeline are extracted out from mould outlet simultaneously in press casting procedure.
8. a kind of amorphous alloy micro-pipe preparation method according to claim 7, it is characterised in that: in step s 5, carry out
Amorphous micro-pipe die casting, material melt back 5 times before die casting are sufficiently mixed material element, and inner hole copper wire surface coats release agent, so
After carry out die casting, die casting rate 5m/s, copper wire and amorphous pipeline are extracted out from mould outlet simultaneously in press casting procedure.
9. a kind of amorphous alloy micro-pipe preparation method according to claim 1, it is characterised in that: in step s 6, extract
Inner hole copper wire, the rate for extracting copper wire are less than 1m/s, guarantee the integrality of micro-pipe.
10. a kind of amorphous alloy micro-pipe preparation method according to claim 9, it is characterised in that: in step s 6, extract
Inner hole copper wire, the rate for extracting copper wire is 0.5m/s, guarantees the integrality of micro-pipe.
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