CN106312248A - Compression roller surface open arc overlaying method based on graphene composite powder solder - Google Patents
Compression roller surface open arc overlaying method based on graphene composite powder solder Download PDFInfo
- Publication number
- CN106312248A CN106312248A CN201610826723.6A CN201610826723A CN106312248A CN 106312248 A CN106312248 A CN 106312248A CN 201610826723 A CN201610826723 A CN 201610826723A CN 106312248 A CN106312248 A CN 106312248A
- Authority
- CN
- China
- Prior art keywords
- powder
- graphene
- solder
- pressure roller
- welding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 239000000843 powder Substances 0.000 title claims abstract description 97
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 86
- 229910000679 solder Inorganic materials 0.000 title claims abstract description 50
- 239000002131 composite material Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000006835 compression Effects 0.000 title abstract 3
- 238000007906 compression Methods 0.000 title abstract 3
- 238000003466 welding Methods 0.000 claims abstract description 53
- 239000002245 particle Substances 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 27
- 239000000203 mixture Substances 0.000 claims abstract description 26
- 239000000945 filler Substances 0.000 claims abstract description 22
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 21
- 229910001845 yogo sapphire Inorganic materials 0.000 claims abstract description 21
- 239000000919 ceramic Substances 0.000 claims abstract description 20
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 12
- 229910052796 boron Inorganic materials 0.000 claims abstract description 11
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 11
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 11
- 239000003870 refractory metal Substances 0.000 claims abstract description 9
- 229910000851 Alloy steel Inorganic materials 0.000 claims abstract description 6
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 100
- 239000010410 layer Substances 0.000 claims description 39
- 229910052742 iron Inorganic materials 0.000 claims description 33
- 239000000320 mechanical mixture Substances 0.000 claims description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000013078 crystal Substances 0.000 claims description 6
- 230000002708 enhancing effect Effects 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 229910052681 coesite Inorganic materials 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 5
- 229910052906 cristobalite Inorganic materials 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000010348 incorporation Methods 0.000 claims description 5
- 239000011229 interlayer Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 229910052682 stishovite Inorganic materials 0.000 claims description 5
- 229910052905 tridymite Inorganic materials 0.000 claims description 5
- 229910052758 niobium Inorganic materials 0.000 claims description 4
- 229910052715 tantalum Inorganic materials 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 238000010891 electric arc Methods 0.000 claims 1
- 239000000155 melt Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 description 8
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000007751 thermal spraying Methods 0.000 description 3
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- -1 graphite alkene Chemical class 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
- B23K9/044—Built-up welding on three-dimensional surfaces
- B23K9/046—Built-up welding on three-dimensional surfaces on surfaces of revolution
- B23K9/048—Built-up welding on three-dimensional surfaces on surfaces of revolution on cylindrical surfaces
-
- 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
- B23K35/406—Filled tubular wire or rods
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/013—Arc cutting, gouging, scarfing or desurfacing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a compression roller surface open arc overlaying method based on a graphene composite powder solder. The method comprises the following steps that a, carbon arc gouging is carried out; b, backing welding is carried out; c, hard face layer overlaying is carried out; d, a pattern layer is overlaid to the hard face layer for overlaying the graphene composite powder solder, certain patterns are formed, and the operation is not stopped until the size of a compression roller meets requirements; and a small number of graphene enhanced Fe-based composite solder layers are generated on the surface of the compressor roller, and the surfaces of the solder layers comprise a small number of layers of graphene refined grains which are evenly distributed, wherein the Fe-based graphene overlaying composite solder is prepared from tubular wrapping materials and filler powder with which the tubular wrapping materials are filled, the tubular wrapping materials are low-carbon steel or low alloy steel, and the filler powder is the mixture of Fe-based graphene powder, ceramic particles, B, Cr, Ni, refractory metal and nanoscale Al2O3 powder.
Description
Technical field
The invention belongs to roll squeezer technique for overlaying field, be specifically related to a kind of pressure roller based on Graphene composite powder solder
Roll surface open arc overlaying 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.
The characteristic being had due to Graphene, is suitable for needing wearing layer to realize abrasionproof purpose application various.Special
It it not the modification application of the contact surface having sliding frictional wear or rolling friction abrasion.
Summary of the invention
It is an object of the invention to provide a kind of pressure roller roll surface open arc overlaying method based on Graphene composite powder solder,
The method can deposit few layer graphene at pressure roller roll surface and strengthen layer, thus substantially increases the case hardness of pressure roller roll surface
And anti-wear performance.
The present invention uses following scheme to solve above-mentioned technical problem: pressure roller roll surface based on Graphene composite powder solder is bright
Arc overlaying method, comprises the steps:
A) electricity that the graphite rod of carbon arc air gouging gouge or carbon electrode produce with the stiff dough interlayer of residual on pressure roller roll surface
Overlaying metal is melted by arc, and blows off by compressed gas, to clean pressure roller roll surface and to dig groove；
B) built-up welding multilamellar bottoming solder during bottoming heap is welded in pressure roller roller face plough groove, it is achieved with the good combination of pressure roller roll surface；
C) hardstanding heap is welded in built-up welding hardstanding solder on above-mentioned prime coat；
D) flower-pattern layer heap is welded in built-up welding Graphene composite powder solder on above-mentioned hardstanding, and forms certain decorative pattern figure
Case, until pressure roller size reaches requirement；Described pressure roller roll surface generates few layer graphene enhancing iron-based and is combined layer, this layer
Surface includes equally distributed few layer graphene crystal grain thinning；
Wherein, described iron-based Graphene built-up welding composite solder is by tubular wrapper material and filling filler powder therein group
Become；Described tubular wrapper material is 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 ratio of its each composition is 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 Yu C is 40-80:1.1-2；
Described bottoming built-up welding, hardstanding built-up welding, flower-pattern layer built-up welding operation all use open arc welding machine to carry out operation construction.
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.
Optimize, built-up welding running voltage is 20-40V, and operating current is 300-600A, described electrode to pressure roller roll surface away from
From for 3-30cm.
Wherein, described iron-based Graphene built-up welding composite solder is prepared from by following steps:
A) choosing the graphite powder that particle diameter is 100-300nm is the iron powder of 53um-96um with particle diameter, according to weight ratio 1:8-20
Ratio weigh 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 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 built-up welding composite solder；
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；The diameter of described container tank and aspect ratio are 1:1-3.
It is an advantage of the current invention that: the present invention uses a kind of Graphene composite powder solder, by open arc overlaying method,
Pressure roller roll surface generates few layer graphene enhancing iron-based and is combined layer, thus improves case hardness and the anti-wear performance of pressure roller；This
The solder preparation technology of invention is easy, with low cost, is suitable for extensively should of large-scale production manufacture, beneficially grapheme material
With.
Accompanying drawing explanation
Fig. 1 is the process chart of Graphene composite powder solder in the embodiment of the present invention；
Fig. 2 is agitator whipping process schematic diagram in the embodiment of the present invention.
Detailed description of the invention
Embodiment 1
Pressure roller roll surface open arc overlaying method based on Graphene composite powder solder, comprises the steps:
A) electricity that the graphite rod of carbon arc air gouging gouge or carbon electrode produce with the stiff dough interlayer of residual on pressure roller roll surface
Overlaying metal is melted by arc, and blows off by compressed gas, to clean pressure roller roll surface and to dig groove；
B) built-up welding multilamellar bottoming solder during bottoming heap is welded in pressure roller roller face plough groove, it is achieved with the good combination of pressure roller roll surface；
C) hardstanding heap is welded in built-up welding hardstanding solder on above-mentioned prime coat；
D) flower-pattern layer heap is welded in built-up welding Graphene composite powder solder on above-mentioned hardstanding, and forms certain decorative pattern figure
Case, until pressure roller size reaches requirement；Described pressure roller roll surface generates few layer graphene enhancing iron-based and is combined layer, this layer
Surface includes equally distributed few layer graphene crystal grain thinning；
Wherein, described iron-based Graphene built-up welding composite solder is by tubular wrapper material and filling filler powder therein group
Become；Described 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=65:7:5.5:6:1:2:13.5, wherein, Fe and C in described Fe base graphene powder
Mass ratio be 63.5:1.5.
Described bottoming built-up welding, hardstanding built-up welding, flower-pattern layer built-up welding operation all use open arc welding machine to carry out operation construction.
Described ceramic particle comprises SiC, B4C、BN、SiO2、TiC、Al2O3Composition.
Built-up welding running voltage is 20-40V, and operating current is 300-600A, and the distance of described electrode to pressure roller roll surface is 3-
30cm。
Wherein, described iron-based Graphene built-up welding composite solder is prepared from by following steps:
A) choose the graphite powder that particle diameter is 100-300nm 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 present invention uses a kind of Graphene composite powder solder, by open arc overlaying method, generates few layer at pressure roller roll surface
Graphene strengthens iron-based and is combined layer, and the hardness of this compound layer, more than HRC65, is preferable wearing layer material, thus improves
The case hardness of pressure roller and anti-wear performance；The solder preparation technology of the present invention is easy, with low cost, is suitable for large-scale production system
Make, beneficially the extensive application of grapheme material.
Embodiment 2
Pressure roller roll surface open arc overlaying method based on Graphene composite powder solder, comprises the steps:
A) electricity that the graphite rod of carbon arc air gouging gouge or carbon electrode produce with the stiff dough interlayer of residual on pressure roller roll surface
Overlaying metal is melted by arc, and blows off by compressed gas, to clean pressure roller roll surface and to dig groove；
B) built-up welding multilamellar bottoming solder during bottoming heap is welded in pressure roller roller face plough groove, it is achieved with the good combination of pressure roller roll surface；
C) hardstanding heap is welded in built-up welding hardstanding solder on above-mentioned prime coat；
D) flower-pattern layer heap is welded in built-up welding Graphene composite powder solder on above-mentioned hardstanding, and forms certain decorative pattern figure
Case, until pressure roller size reaches requirement；Described pressure roller roll surface generates few layer graphene enhancing iron-based and is combined layer, this layer
Surface includes equally distributed few layer graphene crystal grain thinning；
Wherein, described iron-based Graphene built-up welding composite solder is by tubular wrapper material and filling filler powder therein group
Become；Described 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=60:8:6:10:3:3:10, wherein, Fe Yu C in described Fe base graphene powder
Mass ratio is 58:2.
Described bottoming built-up welding, hardstanding built-up welding, flower-pattern layer built-up welding operation all use open arc welding machine to carry out operation construction.
Described ceramic particle comprises SiC, B4C、BN、SiO2、TiC、Al2O3Composition.
Built-up welding running voltage is 20-40V, and operating current is 300-600A, and the distance of described electrode to pressure roller roll surface is 3-
30cm。
Wherein, described iron-based Graphene built-up welding composite solder is prepared from by following steps:
A) choose the graphite powder that particle diameter is 100-300nm and the iron powder that particle diameter is 53um (270 mesh)-96um (160 mesh), press
Ratio according to weight ratio 1:9 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
Pressure roller roll surface open arc overlaying method based on Graphene composite powder solder, comprises the steps:
A) electricity that the graphite rod of carbon arc air gouging gouge or carbon electrode produce with the stiff dough interlayer of residual on pressure roller roll surface
Overlaying metal is melted by arc, and blows off by compressed gas, to clean pressure roller roll surface and to dig groove；
B) built-up welding multilamellar bottoming solder during bottoming heap is welded in pressure roller roller face plough groove, it is achieved with the good combination of pressure roller roll surface；
C) hardstanding heap is welded in built-up welding hardstanding solder on above-mentioned prime coat；
D) flower-pattern layer heap is welded in built-up welding Graphene composite powder solder on above-mentioned hardstanding, and forms certain decorative pattern figure
Case, until pressure roller size reaches requirement；Described pressure roller roll surface generates few layer graphene enhancing iron-based and is combined layer, this layer
Surface includes equally distributed few layer graphene crystal grain thinning；
Wherein, described iron-based Graphene built-up welding composite solder is by tubular wrapper material and filling filler powder therein group
Become；Described tubular wrapper material is 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 ratio of its each composition is Fe base graphene powder: ceramic particle: B:
Cr:Ni:W: nanoscale Al2O3Powder=70:4:7.5:6:4:3:5.5, wherein, the matter of Fe Yu C in described Fe base graphene powder
Amount ratio is 68.5:1.5.
Described bottoming built-up welding, hardstanding built-up welding, flower-pattern layer built-up welding operation all use open arc welding machine to carry out operation construction.
Described ceramic particle comprises SiC, B4C、BN、SiO2、TiC、Al2O3Composition.
Built-up welding running voltage is 20-40V, and operating current is 300-600A, and the distance of described electrode to pressure roller roll surface is 3-
30cm。
Wherein, described iron-based Graphene built-up welding composite solder is prepared from by following steps:
A) choose the graphite powder that particle diameter is 100-300nm 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, W, 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 (5)
1. pressure roller roll surface open arc overlaying method based on Graphene composite powder solder, it is characterised in that comprise the steps:
A) graphite rod or the carbon electrode of carbon arc air gouging gouge will with the electric arc that the stiff dough interlayer of residual on pressure roller roll surface produces
Overlaying metal melts, and blows off by compressed gas, to clean pressure roller roll surface and to dig groove；
B) built-up welding multilamellar bottoming solder during bottoming heap is welded in pressure roller roller face plough groove, it is achieved with the good combination of pressure roller roll surface；
C) hardstanding heap is welded in built-up welding hardstanding solder on above-mentioned prime coat；
D) flower-pattern layer heap is welded in built-up welding Graphene composite powder solder on above-mentioned hardstanding, and forms certain floral designs, directly
Reaching requirement to pressure roller size；Described pressure roller roll surface generates few layer graphene enhancing iron-based and is combined layer, this layer surface
Include equally distributed few layer graphene crystal grain thinning；
Wherein, described 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, 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=40-82:1-10:5.1-7.5:2-20:1-4:1-5:5-20, wherein, institute
Stating the mass ratio of Fe Yu C in Fe base graphene powder is 40-80:1.1-2；
Described bottoming built-up welding, hardstanding built-up welding, flower-pattern layer built-up welding operation all use open arc welding machine to carry out operation construction.
2. pressure roller roll surface open arc overlaying method based on Graphene composite powder solder as claimed in claim 1, its feature exists
In, described ceramic particle comprises SiC, B4C、BN、SiO2、TiC、Al2O3Composition.
3. pressure roller roll surface open arc overlaying method based on Graphene composite powder solder as claimed in claim 1, its feature exists
In, described refractory metal is at least one in V, Nb, Ta, Mo, W.
4. pressure roller roll surface open arc overlaying method based on Graphene composite powder solder as claimed in claim 1, its feature exists
In, built-up welding running voltage is 20-40V, and operating current is 300-600A, and the distance of described electrode to pressure roller roll surface is 3-30cm.
5. pressure roller roll surface open arc overlaying method based on Graphene composite powder solder as claimed in claim 1, its feature exists
In, described iron-based Graphene built-up welding composite solder is prepared from by following steps:
A) choosing the graphite powder that particle diameter is 100-300nm 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610826723.6A CN106312248B (en) | 2016-09-18 | 2016-09-18 | Pressure roller roll surface open arc overlaying method based on graphene composite powder solder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610826723.6A CN106312248B (en) | 2016-09-18 | 2016-09-18 | Pressure roller roll surface open arc overlaying method based on graphene composite powder solder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106312248A true CN106312248A (en) | 2017-01-11 |
| CN106312248B CN106312248B (en) | 2017-10-10 |
Family
ID=57788011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610826723.6A Active CN106312248B (en) | 2016-09-18 | 2016-09-18 | Pressure roller roll surface open arc overlaying method based on graphene composite powder solder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106312248B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000301335A (en) * | 1999-04-21 | 2000-10-31 | Uchida Koki Kk | Build-up repair method by field welding of pressure- resistant surface of die of metal press or the like |
| JP2007216101A (en) * | 2006-02-14 | 2007-08-30 | Mitsubishi Heavy Ind Ltd | Crushing roll, and repair method of the crushing roll |
| CN101151120A (en) * | 2005-03-29 | 2008-03-26 | 新日本制铁株式会社 | Metallic flux cored wire, welding process with the same, and process for production of welded joints having high fatigue strength with little slag |
| CN102744497A (en) * | 2012-07-19 | 2012-10-24 | 盐城市成功机械制造有限公司 | Repair method for press roll of roll press |
| CN103341674A (en) * | 2013-06-26 | 2013-10-09 | 哈尔滨工业大学 | Graphene auxiliary brazing method for ceramic matrix composite material and metal material |
| CN103920965A (en) * | 2013-01-16 | 2014-07-16 | 霍伯特兄弟公司 | Systems And Methods For Welding Electrodes |
| CN104002090A (en) * | 2014-05-27 | 2014-08-27 | 浙江联创焊接技术有限公司 | Squeeze roller face online repair method of roller press |
-
2016
- 2016-09-18 CN CN201610826723.6A patent/CN106312248B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000301335A (en) * | 1999-04-21 | 2000-10-31 | Uchida Koki Kk | Build-up repair method by field welding of pressure- resistant surface of die of metal press or the like |
| CN101151120A (en) * | 2005-03-29 | 2008-03-26 | 新日本制铁株式会社 | Metallic flux cored wire, welding process with the same, and process for production of welded joints having high fatigue strength with little slag |
| JP2007216101A (en) * | 2006-02-14 | 2007-08-30 | Mitsubishi Heavy Ind Ltd | Crushing roll, and repair method of the crushing roll |
| CN102744497A (en) * | 2012-07-19 | 2012-10-24 | 盐城市成功机械制造有限公司 | Repair method for press roll of roll press |
| CN103920965A (en) * | 2013-01-16 | 2014-07-16 | 霍伯特兄弟公司 | Systems And Methods For Welding Electrodes |
| CN103341674A (en) * | 2013-06-26 | 2013-10-09 | 哈尔滨工业大学 | Graphene auxiliary brazing method for ceramic matrix composite material and metal material |
| CN104002090A (en) * | 2014-05-27 | 2014-08-27 | 浙江联创焊接技术有限公司 | Squeeze roller face online repair method of roller press |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106312248B (en) | 2017-10-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106350758A (en) | Method for preparing graphene enhanced iron-based composite material by thermal spraying | |
| Xue et al. | Preparation and elevated temperature compressive properties of multi-walled carbon nanotube reinforced Ti composites | |
| CN105236983B (en) | A kind of method for preparing high-speed train pantograph slide plate carbon slipper of adopting new technology | |
| US20080179104A1 (en) | Nano-reinforced wc-co for improved properties | |
| CN105648249B (en) | A kind of preparation method of carbon nano tube enhanced aluminium base multilayer materials | |
| CN105886871B (en) | A kind of high strength cemented carbide and preparation method using titanium carbide as main component | |
| CN101100930B (en) | Surface strengthening steel tooth wheel and manufacturing method thereof | |
| CN105108133A (en) | Grapheme and metal mixing powder and preparation method thereof | |
| JP5863329B2 (en) | Cemented carbide and method for producing the same | |
| AU2020100570A4 (en) | Nickel-based seamless multi-core braze coating material | |
| CN106868374A (en) | A kind of hard alloy composite material, its preparation method and application | |
| CN101658917B (en) | Preparation method of framework reinforcement compound hammerhead | |
| CN106244971A (en) | Heat spraying method is used to prepare the method that Graphene strengthens composite | |
| CN102443714A (en) | Preparation method for superfine hard alloy | |
| CN108103379A (en) | A kind of high-wearing feature TC bearings and preparation method thereof | |
| CN105695836A (en) | Preparation method for WC-(Co+Ni+Cr) composite binding-phase hard alloy | |
| CN106312244A (en) | Compression roller surface open arc overlaying method based on Fe-based graphene composite solder | |
| CN101824968B (en) | Novel brazed impregnated diamond bit | |
| CN106244976A (en) | Heat spraying method is used to prepare the method that Metal Substrate Graphene strengthens composite | |
| CN106312248A (en) | Compression roller surface open arc overlaying method based on graphene composite powder solder | |
| CN110394566B (en) | Double-layer core-shell structure cast tungsten carbide particle welding rod and preparation method thereof | |
| CN106312249A (en) | Compression roller surface open arc overlaying method based on modified Fe-based graphene composite solder | |
| CN106378544A (en) | Metal base graphene hot spraying composite welding wire and preparing method thereof | |
| CN106271227A (en) | A kind of Modified Iron base Graphene thermal spraying combined wire and preparation method thereof | |
| CN106270936A (en) | Pressure roller roll surface Gas Shielded welding method based on Graphene composite powder solder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Pressure roller surface open arc surfacing method based on graphene composite powder solder Effective date of registration: 20211230 Granted publication date: 20171010 Pledgee: Anqing rural commercial bank Limited by Share Ltd. Pledgor: ANHUI CRIST NEW MATERIALS CO.,LTD. Registration number: Y2021980017319 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230301 Granted publication date: 20171010 Pledgee: Anqing rural commercial bank Limited by Share Ltd. Pledgor: ANHUI CRIST NEW MATERIALS CO.,LTD. Registration number: Y2021980017319 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Open arc welding method for pressure roller surface based on graphene composite powder solder Effective date of registration: 20231225 Granted publication date: 20171010 Pledgee: Anqing rural commercial bank Limited by Share Ltd. Pledgor: ANHUI CRIST NEW MATERIALS CO.,LTD. Registration number: Y2023980074438 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |