CN106378545A - Graphene composite powder welding material and preparing method thereof - Google Patents
Graphene composite powder welding material and preparing method thereof Download PDFInfo
- Publication number
- CN106378545A CN106378545A CN201610826331.XA CN201610826331A CN106378545A CN 106378545 A CN106378545 A CN 106378545A CN 201610826331 A CN201610826331 A CN 201610826331A CN 106378545 A CN106378545 A CN 106378545A
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- China
- Prior art keywords
- powder
- graphene
- iron
- horizontal fixing
- fixing axle
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Classifications
-
- 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
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/362—Selection of compositions of fluxes
-
- 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
-
- 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
- B23K35/406—Filled tubular wire or rods
Abstract
The invention discloses a graphene composite powder welding material and a preparing method thereof. The composite welding material is composed of a tubular wrapping material and filling powder arranged in the tubular wrapping material in a filling manner; and the tubular wrapping material is low-carbon steel or low-alloy steel, and the filling powder is a mixture of Fe base graphene powder, ceramic particles, B, Cr, Ni, refractory metal and nanoscale Al2O3 powder, wherein the weight ratio of the Fe base graphene powder, the ceramic particles, the B, the Cr, the Ni, the refractory metal and the nanoscale Al2O3 powder of the filling powder is 40-82:1-10: 5.1-7.5:2-20:1-4:1-5:5-20, and the mass ratio of Fe and C in the Fe base graphene powder is 40-80:1.1-2. The graphene composite powder welding material and the preparing method thereof have the beneficial effects that the welding raw material and the preparing method are provided, few-layer graphene refined grains can be generated on the surface of a base material in a surfacing machining manner, and therefore the hardness and the wear resistance of the surface of the base material are improved.
Description
Technical field
The present invention relates to graphene composite material technical field, a kind of specific design Graphene composite powder solder and its system
Preparation Method.
Background technology
Graphene is a kind of new material with unique physico-chemical characteristic.This material is the thinnest the hardest in the world at present
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 moduluss are 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 extensive
It is used for preparing various new materials, particularly functional composite material.
In the research starting evening of Graphene enhancing structure composite, it is concentrated mainly at present and prepares Graphene REINFORCED Al base,
Ni base, Cu based composites.Strengthen in metal-base composites in blocky graphite alkene, Graphene is distributed on crystal boundary, refinement is brilliant
Grain, improves the yield strength of material and the effect of hardness.The preparation process very complicated of these materials, manufacturing cost occupies height not
Down it is difficult to realize scale volume production, they are also all confined to the application of particular/special requirement.
Content of the invention
It is an object of the invention to provide a kind of Graphene composite powder solder and preparation method thereof, this composite solder can be made
For raw material, prepared by built-up welding processing mode and there is the composite that Graphene strengthens compound layer, thus improving material
Case hardness and anti-wear performance.
The present invention adopts following scheme to solve one of above-mentioned technical problem：A kind of Graphene composite powder solder, by tubulose
Coating 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, Qi Gecheng
Point weight ratio for Fe base graphene powder：Ceramic particle：B：Cr：Ni：Refractory metal：Nanoscale Al2O3Powder=40-82：1-
10：5.1-7.5：2-20：1-4：1-5：5-20, wherein, in described Fe base graphene powder, the mass ratio of Fe and C is 40-80：
1.1-2.
Optimize, described ceramic particle comprises SiC, B4C、BN、SiO2、TiC、Al2O3Composition.
Optimize, described refractory metal is at least one in V, Nb, Ta, Mo, W.
The present invention adopts following scheme to solve the two of above-mentioned technical problem：A kind of iron-based graphene thermal spraying as above
The preparation method of combined wire, comprises the steps：
A) choosing the graphite powder that particle diameter is 100-300nm with particle diameter is the iron powder of 53um (270 mesh) -96um (160 mesh), presses
Compare 1 according to weight：The ratio of 8-20 is weighed respectively；
B) above-mentioned graphite powder and iron powder are put in drying baker and be dried, 100-150 DEG C of insulation 0.5-2.0 hour；
C) graphite powder being dried and iron powder 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, the velocity of rotation of described mechanical mixture container is 10
120rpm, incorporation time is 2-12 hour；
D) after the completion of mixing, said mixture is sieved with the diagrid of 270 mesh, retained without 270 mesh sieve holes
Powder, as described iron-based graphene powder；
E) by the iron-based obtaining in step d graphene powder 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, that is, obtain described iron-based graphene thermal spraying combined wire；
Wherein, described mechanical mixture container includes cylindrical shape rustless steel container tank, horizontal fixing axle and driving level admittedly
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
It is scheduled in horizontal fixing axle, and shaft core becomes 15 ° of -45 ° of angles with horizontal fixing axle, described container tank is with horizontal fixing axle as axle center
Rotated.
It is an advantage of the current invention that：The invention provides a kind of solder former material strengthening composite for processing graphite alkene
And preparation method thereof, above-mentioned solder former material can generate equally distributed few layer graphene by built-up welding processing mode in 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, and is conducive to the extensive application of grapheme material.
Brief description
Fig. 1 is the process chart of the present invention；
Fig. 2 is for mechanical mixture container in the present invention around mechanical mixture process schematic.
Specific embodiment
Embodiment 1
A kind of Graphene composite powder solder, is made up of tubular wrapper material and filling filler powder therein；Described pipe
Shape coating material be 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 of its each composition is than for Fe base graphene powder：Ceramic particle：B：Cr：Ni：
Ta：Nanoscale Al2O3Powder=65：7：5.5：6：1：2：13.5, wherein, the mass ratio of Fe and C in described Fe base graphene powder
For 63.5：1.5.
Wherein, described ceramic particle comprises SiC, B4C、BN、SiO2、TiC、Al2O3Composition.
As shown in figure 1, above-mentioned iron-based graphene thermal sprays the preparation method of combined wire, comprise the steps：
A) choosing the graphite powder that particle diameter is 100-300nm with particle diameter is the iron powder of 53um (270 mesh) -96um (160 mesh), presses
Compare 1 according to weight：10 ratio is weighed respectively；
B) above-mentioned graphite powder and iron powder are put in drying baker and be dried, 120 DEG C are incubated 1.0 hours；
C) graphite powder being dried and iron powder 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, the velocity of rotation of described mechanical mixture container is 100rpm,
Incorporation time is 5 hours；
D) after the completion of mixing, said mixture is sieved with the diagrid of 270 mesh, retained without 270 mesh sieve holes
Powder, as described iron-based graphene powder；
E) by the iron-based obtaining in step d graphene powder 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 is filled out
It is charged in described tubular wrapper material, that is, obtain described iron-based graphene thermal spraying combined wire；
Wherein, described mechanical mixture container includes cylindrical shape rustless steel container tank, horizontal fixing axle and driving level admittedly
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
It is scheduled in horizontal fixing axle, and shaft core becomes 30 ° of angles with horizontal fixing axle, described container tank is carried out for axle center with horizontal fixing axle
Rotation (as shown in Figure 2)；The diameter of described container tank and aspect ratio are 1: 2.
Graphene composite powder solder former material of the present invention, can generate one by built-up welding processing mode in substrate surface
The equally distributed few layer graphene crystal grain thinning of layer, thus improve case hardness and the anti-wear performance of base material；The weldering of the present invention
Material preparation technology is easy, and suitable large-scale production manufacture is conducive to the extensive application of grapheme material.
Embodiment 2
A kind of Graphene composite powder solder, is made up of tubular wrapper material and filling filler powder therein；Described pipe
Shape coating material be 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 of its each composition is than for Fe base graphene powder：Ceramic particle：B：Cr：Ni：
Nb：Nanoscale Al2O3Powder=60：8：6：10：3：3：10, wherein, in described Fe base graphene powder, the mass ratio of Fe and C is
58：2.
Wherein, described ceramic particle comprises SiC, B4C、BN、SiO2、TiC、Al2O3Composition.
As shown in figure 1, above-mentioned iron-based graphene thermal sprays the preparation method of combined wire, comprise the steps：
A) choosing the graphite powder that particle diameter is 100-300nm with particle diameter is the iron powder of 53um (270 mesh) -96um (160 mesh), presses
Compare 1 according to weight：9 ratio is weighed respectively；
B) above-mentioned graphite powder and iron powder are put in drying baker and be dried, 100 DEG C are incubated 2.0 hours；
C) graphite powder being dried and iron powder 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, the velocity of rotation of described mechanical mixture container is 80rpm,
Incorporation time is 8 hours；
D) after the completion of mixing, said mixture is sieved with the diagrid of 270 mesh, retained without 270 mesh sieve holes
Powder, as described iron-based graphene powder；
E) by the iron-based obtaining in step d graphene powder 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 is filled out
It is charged in described tubular wrapper material, that is, obtain described iron-based graphene thermal spraying combined wire；
Wherein, described mechanical mixture container includes cylindrical shape rustless steel container tank, horizontal fixing axle and driving level admittedly
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
Be scheduled in horizontal fixing axle, and shaft core with horizontal fixing axle angle at 45 °, described container tank carries out with horizontal fixing axle for axle center
Rotation (as shown in Figure 2)；The diameter of described container tank and aspect ratio are 1: 2.
Embodiment 3
A kind of Graphene composite powder solder, is made up of tubular wrapper material and filling filler powder therein；Described pipe
Shape coating material be mild steel or low-alloy steel, described filler powder be Fe base graphene powder, ceramic particle, B, Cr, Ni, W,
Nanoscale Al2O3The mixture of powder, the weight of its each composition is than for Fe base graphene powder：Ceramic particle：B：Cr：Ni：W：Receive
Meter level Al2O3Powder=70：4：7.5：6：4：3：5.5, wherein, in described Fe base graphene powder, the mass ratio of Fe and C is
68.5：1.5.
Wherein, described ceramic particle comprises SiC, B4C、BN、SiO2、TiC、Al2O3Composition.
As shown in figure 1, above-mentioned iron-based graphene thermal sprays the preparation method of combined wire, comprise the steps：
A) choosing the graphite powder that particle diameter is 100-300nm with particle diameter is the iron powder of 53um (270 mesh) -96um (160 mesh), presses
Compare 1 according to weight：13 ratio is weighed respectively；
B) above-mentioned graphite powder and iron powder are put in drying baker and be dried, 100 DEG C are incubated 2.0 hours；
C) graphite powder being dried and iron powder 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, the velocity of rotation of described mechanical mixture container is 120rpm,
Incorporation time is 2 hours；
D) after the completion of mixing, said mixture is sieved with the diagrid of 270 mesh, retained without 270 mesh sieve holes
Powder, as described iron-based graphene powder；
E) by the iron-based obtaining in step d graphene powder and described ceramic particle, B, Cr, Ni, W, nanoscale Al2O3Powder
End mixes according to the above ratio, dries, places into mechanical mixture container mix homogeneously, obtain filler powder, then filler powder is filled out
It is charged in described tubular wrapper material, that is, obtain described iron-based graphene thermal spraying combined wire；
Wherein, described mechanical mixture container includes cylindrical shape rustless steel container tank, horizontal fixing axle and driving level admittedly
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
It is scheduled in horizontal fixing axle, and shaft core becomes 40 ° of angles with horizontal fixing axle, described container tank is carried out for axle center with horizontal fixing axle
Rotation (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 modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (4)
1. a kind of Graphene composite powder solder is it is characterised in that by tubular wrapper material and filling filler powder therein group
Become；Described tubular wrapper material be mild steel or low-alloy steel, described filler powder be Fe base graphene powder, ceramic particle,
B, Cr, Ni, refractory metal, nanoscale Al2O3The mixture of powder, the weight of its each composition is than for Fe base graphene powder：Pottery
Granule：B：Cr：Ni：Refractory metal：Nanoscale Al2O3Powder=40-82：1-10：5.1-7.5：2-20：1-4：1-5：5-20, its
In, in described Fe base graphene powder, the mass ratio of Fe and C is 40-80：1.1-2.
2. Graphene composite powder solder as claimed in claim 1 is it is characterised in that described ceramic particle comprises SiC, B4C、
BN、SiO2、TiC、Al2O3Composition.
3. Graphene composite powder solder as claimed in claim 1 it is characterised in that described refractory metal be V, Nb, Ta,
At least one in Mo, W.
4. the preparation method of Graphene composite powder solder as claimed in claim 1 is it is characterised in that comprise the steps：
A) choosing the graphite powder that particle diameter is 100-300nm with particle diameter is the iron powder of 53um-96um, compares 1 according to weight：The ratio of 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) graphite powder being dried and iron powder in stepb are quickly proceeded in mechanical mixture container, start mechanical stainless steel around
Axle rotates, and makes described graphite powder and iron powder mutually collide combination, the velocity of rotation of described mechanical mixture container is 10 120rpm,
Incorporation time is 2-12 hour；
D) after the completion of mixing, said mixture is sieved with the diagrid of 270 mesh, is retained the powder without 270 mesh sieve holes,
It is described iron-based graphene powder；
E) by the iron-based obtaining in step d graphene powder 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, that is, obtain described Graphene composite powder solder；
Wherein, described mechanical mixture container includes cylindrical shape rustless steel container tank, horizontal fixing axle and the horizontal fixing axle of driving
The driving means of rotation；Described container tank two ends are provided with the valve inserted for powder and take out, and described container tank is fixed on
In horizontal fixing axle, and shaft core becomes 15 ° of -45 ° of angles with horizontal fixing axle, and described container tank is carried out with horizontal fixing axle for axle center
Rotation；The diameter of described container tank and aspect ratio are 1: 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610826331.XA CN106378545A (en) | 2016-09-18 | 2016-09-18 | Graphene composite powder welding material and preparing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610826331.XA CN106378545A (en) | 2016-09-18 | 2016-09-18 | Graphene composite powder welding material and preparing method thereof |
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| CN203291781U (en) * | 2013-05-25 | 2013-11-20 | 揭东巴黎万株纱华纺织有限公司 | Mixing device |
| US20150099140A1 (en) * | 2013-10-09 | 2015-04-09 | Hobart Brothers Company | Systems and methods for corrosion-resistant welding electrodes |
| CN104607823A (en) * | 2014-12-12 | 2015-05-13 | 南京大学 | Manufacturing method of spherical self-fluxing alloy solder |
| CN105945451A (en) * | 2016-04-22 | 2016-09-21 | 郑州机械研究所 | High-strength high-toughness self-protection alkaline flux-cored wire applicable to all-position welding |
-
2016
- 2016-09-18 CN CN201610826331.XA patent/CN106378545A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US20120077017A1 (en) * | 2009-06-03 | 2012-03-29 | Isabell Buresch | Process for producing a metal matrix composite material |
| CN103212924A (en) * | 2013-04-11 | 2013-07-24 | 西安交通大学 | Graphene-coated copper welding wire for electronic packaging and preparation method for graphene-coated copper welding wire |
| CN203291781U (en) * | 2013-05-25 | 2013-11-20 | 揭东巴黎万株纱华纺织有限公司 | Mixing device |
| US20150099140A1 (en) * | 2013-10-09 | 2015-04-09 | Hobart Brothers Company | Systems and methods for corrosion-resistant welding electrodes |
| CN104607823A (en) * | 2014-12-12 | 2015-05-13 | 南京大学 | Manufacturing method of spherical self-fluxing alloy solder |
| CN105945451A (en) * | 2016-04-22 | 2016-09-21 | 郑州机械研究所 | High-strength high-toughness self-protection alkaline flux-cored wire applicable to all-position welding |
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