CN106271210A - A kind of iron-based Graphene built-up welding composite solder and preparation method thereof - Google Patents
A kind of iron-based Graphene built-up welding composite solder and preparation method thereof Download PDFInfo
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- CN106271210A CN106271210A CN201610826329.2A CN201610826329A CN106271210A CN 106271210 A CN106271210 A CN 106271210A CN 201610826329 A CN201610826329 A CN 201610826329A CN 106271210 A CN106271210 A CN 106271210A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3053—Fe as the principal constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
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- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a kind of iron-based Graphene built-up welding composite solder and preparation method thereof, described composite solder is made up of tubular wrapper material and filling filler powder therein；Tubular wrapper material is mild steel or low-alloy steel, and filler powder is Fe base graphene powder, ceramic particle, B, Cr, Ni, refractory metal, nanoscale Al2O3The mixture of powder, the weight ratio of its each composition is Fe base graphene powder: ceramic particle: B:Cr:Ni: refractory metal: nanoscale Al2O3Powder=40 81:1 10:0.1 2.5:2 20:1 4:1 5:5 20, wherein, in described Fe base graphene powder, the mass ratio of Fe Yu C is 40 80:0.1 1.It is an advantage of the current invention that: the invention provides a kind of former material of solder and preparation method, few layer graphene crystal grain thinning can be generated by built-up welding processing mode at substrate surface, thus improve substrate surface hardness and anti-wear performance.
Description
Technical field
The present invention relates to graphene composite material technical field, specific design one iron-based Graphene built-up welding composite solder and
Its preparation method.
Background technology
Graphene is a kind of new material with unique physico-chemical characteristic.This material is the thinnest the hardest
One of material.Have excellent electric property (energy gap approximates 0, and carrier mobility reaches 2 × 105cm simultaneously2·
V-1 s-1), remarkable mechanical property (Young's modulus is 1100GPa, and fracture strength is 125GPa) and good calorifics
Performance (thermal conductivity is about 5000W m-1 K-1, and thermal coefficient of expansion is extremely low).Since self-discovery, Graphene is by extensively
It is used for preparing various new material, particularly functional composite material.
The research starting that Graphene strengthens structural composite material is late, currently mainly concentrates on and prepares Graphene REINFORCED Al base,
Ni base, Cu based composites.In blocky graphite alkene strengthens metal-base composites, Graphene is distributed on crystal boundary, refinement crystalline substance
Grain, improves yield strength and the effect of hardness of material.The preparation process very complicated of these materials, manufacturing cost occupies height not
Under, it is difficult to realizing scale volume production, they are the most all confined to the application of particular/special requirement.
Summary of the invention
It is an object of the invention to provide a kind of iron-based Graphene built-up welding composite solder and preparation method thereof, this composite solder
The composite with the compound layer of Graphene enhancing can be prepared by built-up welding processing mode as raw material, thus improves material
The case hardness of material and anti-wear performance.
The present invention uses following scheme to solve one of above-mentioned technical problem: a kind of iron-based Graphene built-up welding composite solder, by
Tubular wrapper material and filling filler powder therein composition；Described tubular wrapper material is mild steel or low-alloy steel, described
Filler powder is Fe base graphene powder, ceramic particle, B, Cr, Ni, refractory metal, nanoscale Al2O3The mixture of powder, its
The weight ratio of each composition is Fe base graphene powder: ceramic particle: B:Cr:Ni: refractory metal: nanoscale Al2O3Powder=40-
81:1-10:0.1-2.5:2-20:1-4:1-5:5-20, wherein, in described Fe base graphene powder, the mass ratio of Fe Yu C is 40-
80:0.1-1.
Optimizing, described ceramic particle comprises SiC, B4C、BN、SiO2、TiC、Al2O3Composition.
Optimizing, described refractory metal is at least one in V, Nb, Ta, Mo, W.
The present invention uses following scheme to solve the two of above-mentioned technical problem: a kind of iron-based graphene thermal as above sprays
The preparation method of combined wire, comprises the steps:
A) choose the graphite powder that particle diameter is 100-200nm and the iron powder that particle diameter is 53um (270 mesh)-96um (160 mesh), press
Ratio according to weight ratio 1:8-20 is weighed respectively；
B) above-mentioned graphite powder and iron powder being put in drying baker and be dried, 100-150 DEG C is incubated 0.5-2.0 hour；
C) graphite powder and the iron powder that are dried in stepb are quickly proceeded in mechanical mixture container, start mechanical mixture and hold
Device pivots, and makes described graphite powder and iron powder mutually collide combination, and the velocity of rotation of described mechanical mixture container is 10
120rpm, incorporation time is 2-12 hour；
D) after having mixed, the said mixture diagrid of 270 mesh is sieved, retain without 270 mesh sieve holes
Powder, is described iron-based graphene powder；
E) by the iron-based graphene powder obtained in step d and described ceramic particle, B, Cr, Ni, refractory metal, nanoscale
Al2O3Powder mixes according to the above ratio, dries, places into mechanical mixture container mix homogeneously, obtain filler powder, then by filler
Powder is filled to described tubular wrapper material, i.e. obtains described iron-based graphene thermal spraying combined wire；
Wherein, described mechanical mixture container includes that cylindrical shape rustless steel container tank, level fix axle and driving level is solid
The driving means of System of Rotating about Fixed Axis；Described container tank two ends are provided with the valve inserted for powder and take out, and described container tank is solid
The level of being scheduled on is fixed on axle, and shaft core is fixed axle and become 15 ° of-45 ° of angles with level, and described container tank fixes axle as axle center with level
Rotate.
It is an advantage of the current invention that: the invention provides a kind of former material of solder strengthening composite for processing graphite alkene
And preparation method thereof, the former material of above-mentioned solder can generate equally distributed few layer graphene by built-up welding processing mode at substrate surface
Crystal grain thinning, thus improve case hardness and the anti-wear performance of base material；The solder preparation technology of the present invention is easy, is suitable for big rule
Mould is manufactured, beneficially the extensive application of grapheme material.
Accompanying drawing explanation
Fig. 1 is the process chart of the present invention；
Fig. 2 be in the present invention mechanical mixture container around mechanical mixture process schematic.
Detailed description of the invention
Embodiment 1
A kind of iron-based Graphene built-up welding composite solder, is made up of tubular wrapper material and filling filler powder therein；Institute
Stating tubular wrapper material is mild steel or low-alloy steel, described filler powder be Fe base graphene powder, ceramic particle, B, Cr,
Ni, Ta, nanoscale Al2O3The mixture of powder, the weight ratio of its each composition is Fe base graphene powder: ceramic particle: B:Cr:
Ni:Ta: nanoscale Al2O3Powder=65:7:0.5:10:1:2:14.5, wherein, the matter of Fe Yu C in described Fe base graphene powder
Amount ratio is 64.5:0.5.
Wherein, described ceramic particle comprises SiC, B4C、BN、SiO2、TiC、Al2O3Composition.
As it is shown in figure 1, the preparation method of above-mentioned iron-based graphene thermal spraying combined wire, comprise the steps:
A) choose the graphite powder that particle diameter is 100-200nm and the iron powder that particle diameter is 53um (270 mesh)-96um (160 mesh), press
Ratio according to weight ratio 1:10 is weighed respectively；
B) above-mentioned graphite powder and iron powder being put in drying baker and be dried, 120 DEG C are incubated 1.0 hours；
C) graphite powder and the iron powder that are dried in stepb are quickly proceeded in mechanical mixture container, start mechanical mixture and hold
Device pivots, and makes described graphite powder and iron powder mutually collide combination, and the velocity of rotation of described mechanical mixture container is 100rpm,
Incorporation time is 5 hours；
D) after having mixed, the said mixture diagrid of 270 mesh is sieved, retain without 270 mesh sieve holes
Powder, is described iron-based graphene powder；
E) by the iron-based graphene powder obtained in step d and described ceramic particle, B, Cr, Ni, Ta, nanoscale Al2O3Powder
End mixes according to the above ratio, dries, places into mechanical mixture container mix homogeneously, obtain filler powder, then filler powder filled out
It is charged in described tubular wrapper material, i.e. obtains described iron-based graphene thermal spraying combined wire；
Wherein, described mechanical mixture container includes that cylindrical shape rustless steel container tank, level fix axle and driving level is solid
The driving means of System of Rotating about Fixed Axis；Described container tank two ends are provided with the valve inserted for powder and take out, and described container tank is solid
The level of being scheduled on is fixed on axle, and shaft core is fixed axle and become 30 ° of angles with level, and described container tank is fixed axle with level and carried out for axle center
Rotate (as shown in Figure 2)；The diameter of described container tank and aspect ratio are 1:2.
The iron-based Graphene former material of built-up welding composite solder of the present invention, can be raw at substrate surface by built-up welding processing mode
Become one layer of equally distributed few layer graphene crystal grain thinning, thus improve case hardness and the anti-wear performance of base material；The present invention
Solder preparation technology easy, be suitable for the extensive application of large-scale production manufacture, beneficially grapheme material.
Embodiment 2
A kind of iron-based Graphene built-up welding composite solder, is made up of tubular wrapper material and filling filler powder therein；Institute
Stating tubular wrapper material is mild steel or low-alloy steel, described filler powder be Fe base graphene powder, ceramic particle, B, Cr,
Ni, Nb, nanoscale Al2O3The mixture of powder, the weight ratio of its each composition is Fe base graphene powder: ceramic particle: B:Cr:
Ni:Nb: nanoscale Al2O3Powder=60:8:1:15:3:3:10, wherein, the mass ratio of Fe Yu C in described Fe base graphene powder
For 59.8:0.2.
Wherein, described ceramic particle comprises SiC, B4C、BN、SiO2、TiC、Al2O3Composition.
As it is shown in figure 1, the preparation method of above-mentioned iron-based graphene thermal spraying combined wire, comprise the steps:
A) choose the graphite powder that particle diameter is 100-200nm and the iron powder that particle diameter is 53um (270 mesh)-96um (160 mesh), press
Ratio according to weight ratio 1:12 is weighed respectively；
B) above-mentioned graphite powder and iron powder being put in drying baker and be dried, 100 DEG C are incubated 2.0 hours；
C) graphite powder and the iron powder that are dried in stepb are quickly proceeded in mechanical mixture container, start mechanical mixture and hold
Device pivots, and makes described graphite powder and iron powder mutually collide combination, and the velocity of rotation of described mechanical mixture container is 80rpm,
Incorporation time is 8 hours；
D) after having mixed, the said mixture diagrid of 270 mesh is sieved, retain without 270 mesh sieve holes
Powder, is described iron-based graphene powder；
E) by the iron-based graphene powder obtained in step d and described ceramic particle, B, Cr, Ni, Nb, nanoscale Al2O3Powder
End mixes according to the above ratio, dries, places into mechanical mixture container mix homogeneously, obtain filler powder, then filler powder filled out
It is charged in described tubular wrapper material, i.e. obtains described iron-based graphene thermal spraying combined wire；
Wherein, described mechanical mixture container includes that cylindrical shape rustless steel container tank, level fix axle and driving level is solid
The driving means of System of Rotating about Fixed Axis；Described container tank two ends are provided with the valve inserted for powder and take out, and described container tank is solid
The level of being scheduled on is fixed on axle, and shaft core fixes axle angle at 45 ° with level, and described container tank is fixed axle with level and carried out for axle center
Rotate (as shown in Figure 2)；The diameter of described container tank and aspect ratio are 1:2.
Embodiment 3
A kind of iron-based Graphene built-up welding composite solder, is made up of tubular wrapper material and filling filler powder therein；Institute
Stating tubular wrapper material is mild steel or low-alloy steel, described filler powder be Fe base graphene powder, ceramic particle, B, Cr,
Ni, Mo, nanoscale Al2O3The mixture of powder, the weight ratio of its each composition is Fe base graphene powder: ceramic particle: B:Cr:
Ni:Mo: nanoscale Al2O3Powder=70.4:4:2.5:9.1:4:3:7, wherein, the matter of Fe Yu C in described Fe base graphene powder
Amount ratio is 70:0.4.
Wherein, described ceramic particle comprises SiC, B4C、BN、SiO2、TiC、Al2O3Composition.
As it is shown in figure 1, the preparation method of above-mentioned iron-based graphene thermal spraying combined wire, comprise the steps:
A) choose the graphite powder that particle diameter is 100-200nm and the iron powder that particle diameter is 53um (270 mesh)-96um (160 mesh), press
Ratio according to weight ratio 1:13 is weighed respectively；
B) above-mentioned graphite powder and iron powder being put in drying baker and be dried, 100 DEG C are incubated 2.0 hours；
C) graphite powder and the iron powder that are dried in stepb are quickly proceeded in mechanical mixture container, start mechanical mixture and hold
Device pivots, and makes described graphite powder and iron powder mutually collide combination, and the velocity of rotation of described mechanical mixture container is 120rpm,
Incorporation time is 2 hours；
D) after having mixed, the said mixture diagrid of 270 mesh is sieved, retain without 270 mesh sieve holes
Powder, is described iron-based graphene powder；
E) by the iron-based graphene powder obtained in step d and described ceramic particle, B, Cr, Ni, Mo, nanoscale Al2O3Powder
End mixes according to the above ratio, dries, places into mechanical mixture container mix homogeneously, obtain filler powder, then filler powder filled out
It is charged in described tubular wrapper material, i.e. obtains described iron-based graphene thermal spraying combined wire；
Wherein, described mechanical mixture container includes that cylindrical shape rustless steel container tank, level fix axle and driving level is solid
The driving means of System of Rotating about Fixed Axis；Described container tank two ends are provided with the valve inserted for powder and take out, and described container tank is solid
The level of being scheduled on is fixed on axle, and shaft core is fixed axle and become 40 ° of angles with level, and described container tank is fixed axle with level and carried out for axle center
Rotate (as shown in Figure 2)；The diameter of described container tank and aspect ratio are 1:3.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (4)
1. an iron-based Graphene built-up welding composite solder, it is characterised in that by tubular wrapper material and filling filler therein powder
End composition；Described tubular wrapper material is mild steel or low-alloy steel, and described filler powder is Fe base graphene powder, pottery
Grain, B, Cr, Ni, refractory metal, nanoscale Al2O3The mixture of powder, the weight ratio of its each composition is Fe base graphene powder:
Ceramic particle: B:Cr:Ni: refractory metal: nanoscale Al2O3Powder=40-81:1-10:0.1-2.5:2-20:1-4:1-5:5-
20, wherein, in described Fe base graphene powder, the mass ratio of Fe Yu C is 40-80:0.1-1.
2. iron-based Graphene built-up welding composite solder as claimed in claim 1, it is characterised in that described ceramic particle comprise SiC,
B4C、BN、SiO2、TiC、Al2O3Composition.
3. iron-based Graphene built-up welding composite solder as claimed in claim 1, it is characterised in that described refractory metal is V, Nb,
At least one in Ta, Mo, W.
4. the preparation method of iron-based Graphene built-up welding composite solder as claimed in claim 1, it is characterised in that include walking as follows
Rapid:
A) choosing the graphite powder that particle diameter is 100-200nm is the iron powder of 53um-96um with particle diameter, according to the ratio of weight ratio 1:8-20
Example is weighed respectively；
B) above-mentioned graphite powder and iron powder are put in drying baker and be dried, be incubated 0.5-2.0 hour at 100-150 DEG C；
C) by stepb be dried graphite powder and iron powder quickly proceed in mechanical mixture container, start mechanical mixture container around
Axle rotates, and makes described graphite powder and iron powder mutually collide combination, and the velocity of rotation of described mechanical mixture container is 10 120rpm,
Incorporation time is 2-12 hour；
D) after having mixed, the said mixture diagrid of 270 mesh is sieved, retains the powder without 270 mesh sieve holes,
It is described iron-based graphene powder；
E) by the iron-based graphene powder obtained in step d and described ceramic particle, B, Cr, Ni, refractory metal, nanoscale Al2O3
Powder mixes according to the above ratio, dries, places into mechanical mixture container mix homogeneously, obtain filler powder, then by filler powder
Fill to described tubular wrapper material, i.e. obtain described iron-based Graphene built-up welding composite solder；
Wherein, described mechanical mixture container includes that cylindrical shape rustless steel container tank, level fix axle and driving level fixes axle
The driving means rotated；Described container tank two ends are provided with the valve inserted for powder and take out, and described container tank is fixed on
Level is fixed on axle, and shaft core is fixed axle and become 15 ° of-45 ° of angles with level, and described container tank is fixed axle with level and carried out for axle center
Rotate；The diameter of described container tank and aspect ratio are 1:1-3.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610826329.2A CN106271210A (en) | 2016-09-18 | 2016-09-18 | A kind of iron-based Graphene built-up welding composite solder and preparation method thereof |
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| CN201610826329.2A CN106271210A (en) | 2016-09-18 | 2016-09-18 | A kind of iron-based Graphene built-up welding composite solder and preparation method thereof |
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| CN1858293A (en) * | 2006-06-09 | 2006-11-08 | 北京工业大学 | Nano micrometer modefied wear resistant erosion resistant thermal coated tubular wire |
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