CN110142473A - A kind of liquid metal and technique for car surface scratch and pit reparation - Google Patents
A kind of liquid metal and technique for car surface scratch and pit reparation Download PDFInfo
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- CN110142473A CN110142473A CN201910486633.0A CN201910486633A CN110142473A CN 110142473 A CN110142473 A CN 110142473A CN 201910486633 A CN201910486633 A CN 201910486633A CN 110142473 A CN110142473 A CN 110142473A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 229910001338 liquidmetal Inorganic materials 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 52
- 239000000956 alloy Substances 0.000 claims abstract description 27
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 25
- 229910052802 copper Inorganic materials 0.000 claims abstract description 11
- 229910052797 bismuth Inorganic materials 0.000 claims abstract description 6
- 229910052738 indium Inorganic materials 0.000 claims abstract description 6
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052709 silver Inorganic materials 0.000 claims abstract description 6
- 229910052718 tin Inorganic materials 0.000 claims abstract description 6
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 48
- 229910052742 iron Inorganic materials 0.000 claims description 24
- 238000005476 soldering Methods 0.000 claims description 19
- 230000008439 repair process Effects 0.000 claims description 13
- 238000002844 melting Methods 0.000 claims description 11
- 230000008018 melting Effects 0.000 claims description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 238000011049 filling Methods 0.000 claims description 8
- 239000003973 paint Substances 0.000 claims description 8
- 229910001018 Cast iron Inorganic materials 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 229910052786 argon Inorganic materials 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 5
- 239000004615 ingredient Substances 0.000 claims description 5
- 239000000395 magnesium oxide Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000007598 dipping method Methods 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 11
- 230000007797 corrosion Effects 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 8
- 239000011159 matrix material Substances 0.000 description 8
- 230000001050 lubricating effect Effects 0.000 description 7
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000013019 agitation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008447 perception Effects 0.000 description 4
- 239000013535 sea water Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000009991 scouring Methods 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 241000209202 Bromus secalinus Species 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 229910000846 In alloy Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 210000004276 hyalin Anatomy 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000004576 sand Substances 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
-
- 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
- B23K35/26—Selection of soldering or welding materials proper with the principal constituent melting at less than 400 degrees C
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention discloses a kind of liquid metals and technique for car surface scratch and pit reparation.By weight percentage, composition of alloy are as follows: Cr:0.2-0.4wt.%, V:0.1-0.2wt.%, Ge:0.4-0.6wt.%, Bi:2.0-3.0wt.%, Ag:1.0-1.5wt.%, Cu:2.0-3.0wt.%, Sn:30.0-40.0wt.%, surplus are indium.This patent provides the material and its technique of a kind of easy repairing car surface scratch, can solve motor field current problem in use.It is contemplated that the successful implementation and industrialization of the material can play facilitation to the development of relevant field while obtaining very big economic value.
Description
Technical field
The present invention relates to technical field of alloy, specifically, being related to a kind of indium alloy.
Background technique
Automobile is subject to the impact of external force during travelling or parking and generates scratch on surface.Generally
Come, these defects used are divided into three types: (1) slight scratch.Vehicle, which is painted, leaves apparent scratch together but hand is touched
It goes not feeling and, only damaged the hyaline layer of surface of vehicle paint.(2) moderate scratch.More heavier scratch, then coup injury
To prime coat, it is concave can obviously to touch scratch.(3) depth scratch.Depth scratch is heavier scratch, has exposed vehicle body gold
Belong to plate, and metal plate have it is very big recessed.
For slight scratch, a small amount of fine sand wax or scratch wax are coated at scratch or on clean towel, it is anti-along scratch
It is multiplexed power wiping, glazing wax polishing is used after scratch is thoroughly eliminated.Above method is completely removed slight scratch.For in
Scratch is spent, usually using paint-adding pen.At tiny scratch or paint flake, it can be covered and be filled and led up with paint-adding pen repairing and drawn
Trace, and have the function of preventing from getting rusty.Bumps are produced since metal plate has occurred that plastic deformation for depth scratch
And groove, thus the method repaired is very cumbersome.The method of customary risks is that have certain degree of hardness in the filling of these fault locations
Macromolecule mixture, then reuse the method for handling slight scratch and moderate scratch on it.
In view of the vibration being subjected in the automobile in use diversity and driving process of temperature change, using height
The method of molecule mixture within the regular hour (less than 3 years) although can obtain satisfactory effect.But from long-term
Use angle say, the service life of macromolecule mixture itself and in use due to vibrate it is excessive caused by and base
Body disengaging will be greatly reduced the effect that this method uses.For the angle of market, urgent need provides a kind of simple and effective higher
Grade scheme.
Liquid metal is a kind of novel alloy material, due to being widely used in industry and scientific research with excellent fusing point
Field.(1) in field of radiating, liquid metal can be prepared into thermal interfacial material for the heat dissipation bridge between chip and radiator
Beam.(2) in biological field, liquid metal can be used for preparing bone mud material for repairing knochenbruch.(3) in field of electronic devices,
Liquid metal can be used for preparing flexible wire and flexible antennas and play great effect in national defense industry.
Liquid metal is a kind of completely new application method for the depth scratch on restoring automobile, interior at the international level at present
The forward position in field is repaired in automobile.This patent is proceeded from the reality, and a kind of reparation liquid for automobile case is proposed
State metal material.The material not only has extremely excellent binding force with matrix ferroalloy, when the big temperature in coating procedure
There is more constant solid-liquid two-phase proportion in variation range.This characteristic makes the material in for the coating after heating
Operation is enormously simplified, is easy to use.
Summary of the invention
The purpose of the present invention is to overcome the deficiency in the prior art, provides a kind of for car surface scratch and pit reparation use
Liquid metal and technique.Under the action of hand-held heat source, which can very easily fill the scratch of car surface and recessed
It cheats, and maintains the ratio of solid-liquid two-phase in sizable temperature range, to be conducive to the padding of defect.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of liquid metal and technique for car surface scratch and pit reparation.By weight percentage, the alloy group
As Cr:0.2-0.4wt.%, V:0.1-0.2wt.%, Ge:0.4-0.6wt.%, Bi:2.0-3.0wt.%, Ag:1.0-
1.5wt.%, Cu:2.0-3.0wt.%, Sn:30.0-40.0wt.%, surplus are indium.
A kind of above-mentioned liquid metal and technique for car surface scratch and pit reparation, including following processing and
Use step :(a) by alloy according to required ingredient with postponing, be put into induction furnace and carry out melting, and using magnesia or
Alumina crucible carries out the melting under argon gas protection；10 minutes are kept the temperature in 500-600 degree sufficiently to melt alloy using electromagnetic agitation
Body after mixing evenly, is imported in cast iron die and is cast；(b) gained ingot casting is squeezed at room temperature, using 200-
The pressure extrusion of 250MPa is rodlike at diameter 2-5mm's；(c) prepare before repairing: first dipping in alcohol with clean cotton yarn will repair
Position scrub.Repair place is wanted to draw back and forth with tool (paper, the scraper and drill bit etc.) edge that can clear up superficial layer
It is dynamic, groove is cleaned out the gloss of cash category.(d) repair operation: using 120-140 degree electric iron or 120- can be heated to
140 degree of copper bolt.The patching material for cutting present patent application protection is pushed down using the working face of soldering iron, while promptly being existed
Mend drags soldering iron back and forth and enables the space of the complete filling and repairing of patching material in semisolid.In addition, may be used also
The patching material of semisolid to be plated using the plane of soldering iron simultaneously.After the completion of repairing, surface is repaired using tools such as scrapers
Scrape ideal surface requirements.After the temperature for repairing position is thoroughly reduced to room temperature, so that it may be repaired using common on the market
Touch-up paint carries out last patch work.
Compared with prior art, the invention has the following beneficial effects:
(1) traditional patching material can fill out big defect by the way of resin or other organic matters first
It fills, is then modified on last surface with mending paint.This repairing method is due to having used connecing for organic matter and matrix
Touch defective tightness.In extreme circumstances after a period of use, it is easy to appear the phenomenon that falling off and aoxidizing, causes repair layer de-
It falls.The patching material of present patent application protection can be generated due to being the alloy material of liquid metal type after repairing with matrix
Very strong binding ability (diffusion and effect that atomic level has occurred), thus it is amenable to extreme environment after prolonged use
The result acted on without showing failure.
(2) melting range of the material is 150-180 degree, at (the 120-140 degree) at use temperature of repairing, the material
Under the semisolid situation of solid-liquid.And under this condition, solid volume ratio accounts for 60-70%.Thus, the material is at the working temperature
There are very excellent filling capacity and the compatibility of deformation ability under soldering iron working face.So as to avoid at the working temperature by
In liquid content it is excessive caused by flow phenomenon everywhere.Meanwhile the mushy stage of the material has extraordinary wellability, it can be with
It is sufficient filling with car surface to be repaired.
(3) material has very excellent cold expanding characteristic, that is, volume increases 2-3% or so to melt after solidification.Cause
It, can be securely in conjunction with matrix face after this is condensed with this liquid metal restoring automobile melt surface.Simultaneously as the alloy is molten
Mobility after change is preferable, and superfine scuffing (0.1 millimeter, wide 0.3 millimeter or so deep) can also be repaired.And patching material with
Matrix is firmly combined, not easily to fall off.
(4) complex surface to be repaired is not required to preheat, and flatiron temperature is generally below 140 degree, because without causing car surface to deform.
Easy to operate, technological equipment is simple, and operating technology is easily mastered.The cost of repairs is low, especially imitates in the reparation of oversize vehicle
Excellent fruit is significant.Hardness is all higher than epoxy resin reparation and copper oxide vertex-gluing graph.In addition, the product practicability is wide, smelting is processed
Smelting method is simple, and production cost is low, is convenient for industrialized large-scale production and practical application.
(5) material has excellent high rigidity, can achieve 85-90HBS.In addition, the material has excellent antifriction
Wipe performance.Under the conditions of sufficient lubrication, coefficient of friction 0.01-0.03 is not 0.05-0.06 under lubricating condition.Using the conjunction
Gold does patching material, and scratch will not be left top is streaked even if nail, thus ensure that alloy uses to the full extent
When surface perception and user experience.In addition, being also equipped with excellent corrosion resistance.In the seawater, the corrosion rate of the material
For 2.0-4.0 × 10-4Mm/.Therefore, it is possible to trouble free service 10 years or more under oceanic atmosphere.It is contemplated that the material
Implementation and industrialization will obtain great Social benefit and economic benefit.
Specific embodiment
Embodiment 1
A kind of liquid metal and technique for car surface scratch and pit reparation.By weight percentage, the alloy group
Become: Cr:0.2wt.%, V:0.1wt.%, Ge:0.4wt.%, Bi:2.1wt.%, Ag:1.2wt.%, Cu:2.5wt.%, Sn:
30.8wt.%, surplus are indium.
A kind of above-mentioned liquid metal and technique for car surface scratch and pit reparation, including following processing and
Use step :(a) by alloy according to required ingredient with postponing, be put into induction furnace and carry out melting, and using magnesia or
Alumina crucible carries out the melting under argon gas protection；10 minutes are kept the temperature at 500 degree sufficiently to stir alloy melt using electromagnetic agitation
After mixing uniformly, imports in cast iron die and cast；(b) gained ingot casting is squeezed at room temperature, using the pressure of 200MPa
Power is squeezed into the rodlike of diameter 2mm；(c) prepare before repairing: it is dry first to dip in the position scouring that alcohol will be repaired with clean cotton yarn
Only.With the tool (paper, scraper and drill bit etc.) that can clear up superficial layer along repair place stroke back and forth is wanted, groove is cleared up
There is the gloss of metal.(d) using 125 degree of electric iron or 125 degree of copper bolt can repair operation: be heated to.It utilizes
The working face of soldering iron pushes down the patching material for cutting present patent application protection, while promptly dragging soldering iron back and forth in mend and make
Obtain the space that the patching material in semisolid is capable of complete filling and repairing.Further, it is also possible to utilize the plane of soldering iron simultaneously
The patching material of semisolid is plated.After the completion of repairing, surface is repaired using tools such as scrapers and scrapes ideal surface requirements.It will
After the temperature of repairing position is thoroughly reduced to room temperature, so that it may carry out last patcher using mending paint common on the market
Make.
The fusing point of the material is 160 degree, and at (125 degree) at use temperature of repairing, which is in the semisolid of solid-liquid
Under situation.And under this condition, solid volume ratio accounts for 62%.Thus, which has very excellent fillibility at the working temperature
Energy and the compatibility of deformation ability under soldering iron working face.So as to avoid at the working temperature since liquid content excessively draws
The flow phenomenon everywhere risen.The material has very excellent cold expanding characteristic, that is, volume increases 2.5% to melt after solidification
Left and right.It therefore, can be securely in conjunction with matrix face after being condensed with this liquid metal restoring automobile melt surface.The material has
Excellent high rigidity and crocking resistance, can achieve 86HBS.In addition, the material has excellent crocking resistance.Abundant
Under lubricating condition, coefficient of friction 0.02 is not 0.05 under lubricating condition.Patching material is done using the alloy, even if nail exists
Top, which is streaked, will not leave scratch, thus ensure that surface perception and user experience when alloy uses to the full extent.
In addition, being also equipped with excellent corrosion resistance.In the seawater, the corrosion rate of the material is 2.4 × 10-4Mm/.
Embodiment 2
A kind of liquid metal and technique for car surface scratch and pit reparation.By weight percentage, the alloy group
Become: Cr:0.4wt.%, V:0.2wt.%, Ge:0.5wt.%, Bi:2.8wt.%, Ag:1.4wt.%, Cu:2.6wt.%, Sn:
38.0wt.%, surplus are indium.
A kind of above-mentioned liquid metal and technique for car surface scratch and pit reparation, including following processing and
Use step :(a) by alloy according to required ingredient with postponing, be put into induction furnace and carry out melting, and using magnesia or
Alumina crucible carries out the melting under argon gas protection；10 minutes are kept the temperature at 600 degree sufficiently to stir alloy melt using electromagnetic agitation
After mixing uniformly, imports in cast iron die and cast；(b) gained ingot casting is squeezed at room temperature, using the pressure of 250MPa
Power is squeezed into the rodlike of diameter 3mm；(c) prepare before repairing: it is dry first to dip in the position scouring that alcohol will be repaired with clean cotton yarn
Only.With the tool (paper, scraper and drill bit etc.) that can clear up superficial layer along repair place stroke back and forth is wanted, groove is cleared up
There is the gloss of metal.(d) using 130 degree of electric iron or 130 degree of copper bolt can repair operation: be heated to.It utilizes
The working face of soldering iron pushes down the patching material for cutting present patent application protection, while promptly dragging soldering iron back and forth in mend and make
Obtain the space that the patching material in semisolid is capable of complete filling and repairing.Further, it is also possible to utilize the plane of soldering iron simultaneously
The patching material of semisolid is plated.After the completion of repairing, surface is repaired using tools such as scrapers and scrapes ideal surface requirements.It will
After the temperature of repairing position is thoroughly reduced to room temperature, so that it may carry out last patcher using mending paint common on the market
Make.
The fusing point of the material is 150 degree, and at (130 degree) at use temperature of repairing, which is in the semisolid of solid-liquid
Under situation.And under this condition, solid volume ratio accounts for 65%.Thus, which has very excellent fillibility at the working temperature
Energy and the compatibility of deformation ability under soldering iron working face.So as to avoid at the working temperature since liquid content excessively draws
The flow phenomenon everywhere risen.The material has very excellent cold expanding characteristic, that is, volume increases 2.8% to melt after solidification
Left and right.It therefore, can be securely in conjunction with matrix face after being condensed with this liquid metal restoring automobile melt surface.The material has
Excellent high rigidity and crocking resistance, can achieve 89HBS.In addition, the material has excellent crocking resistance.Abundant
Under lubricating condition, coefficient of friction 0.02 is not 0.05 under lubricating condition.Patching material is done using the alloy, even if nail exists
Top, which is streaked, will not leave scratch, thus ensure that surface perception and user experience when alloy uses to the full extent.
In addition, being also equipped with excellent corrosion resistance.In the seawater, the corrosion rate of the material is 3.0 × 10-4Mm/.
Embodiment 3
A kind of liquid metal and technique for car surface scratch and pit reparation.By weight percentage, the alloy group
Become: Cr:0.3wt.%, V:0.1wt.%, Ge:0.5wt.%, Bi:2.4wt.%, Ag:1.3wt.%, Cu:2.6wt.%, Sn:
36.0wt.%, surplus are indium.
A kind of above-mentioned liquid metal and technique for car surface scratch and pit reparation, including following processing and
Use step :(a) by alloy according to required ingredient with postponing, be put into induction furnace and carry out melting, and using magnesia or
Alumina crucible carries out the melting under argon gas protection；10 minutes are kept the temperature at 540 degree sufficiently to stir alloy melt using electromagnetic agitation
After mixing uniformly, imports in cast iron die and cast；(b) gained ingot casting is squeezed at room temperature, using the pressure of 220MPa
Power is squeezed into the rodlike of diameter 4mm；(c) prepare before repairing: it is dry first to dip in the position scouring that alcohol will be repaired with clean cotton yarn
Only.With the tool (paper, scraper and drill bit etc.) that can clear up superficial layer along repair place stroke back and forth is wanted, groove is cleared up
There is the gloss of metal.(d) using 125 degree of electric iron or 125 degree of copper bolt can repair operation: be heated to.It utilizes
The working face of soldering iron pushes down the patching material for cutting present patent application protection, while promptly dragging soldering iron back and forth in mend and make
Obtain the space that the patching material in semisolid is capable of complete filling and repairing.Further, it is also possible to utilize the plane of soldering iron simultaneously
The patching material of semisolid is plated.After the completion of repairing, surface is repaired using tools such as scrapers and scrapes ideal surface requirements.It will
After the temperature of repairing position is thoroughly reduced to room temperature, so that it may carry out last patcher using mending paint common on the market
Make.
The fusing point of the material is 170 degree, and at (125 degree) at use temperature of repairing, which is in the semisolid of solid-liquid
Under situation.And under this condition, solid volume ratio accounts for 62%.Thus, which has very excellent fillibility at the working temperature
Energy and the compatibility of deformation ability under soldering iron working face.So as to avoid at the working temperature since liquid content excessively draws
The flow phenomenon everywhere risen.The material has very excellent cold expanding characteristic, that is, volume increases 2.1% to melt after solidification
Left and right.It therefore, can be securely in conjunction with matrix face after being condensed with this liquid metal restoring automobile melt surface.The material has
Excellent high rigidity and crocking resistance, can achieve 86HBS.In addition, the material has excellent crocking resistance.Abundant
Under lubricating condition, coefficient of friction 0.01 is not 0.05 under lubricating condition.Patching material is done using the alloy, even if nail exists
Top, which is streaked, will not leave scratch, thus ensure that surface perception and user experience when alloy uses to the full extent.
In addition, being also equipped with excellent corrosion resistance.In the seawater, the corrosion rate of the material is 2.5 × 10-4Mm/.
Claims (1)
1. a kind of liquid metal and technique for car surface scratch and pit reparation；By weight percentage, the alloy
Group becomes Cr:0.2-0.4wt.%, V:0.1-0.2wt.%, Ge:0.4-0.6wt.%, Bi:2.0-3.0wt.%, Ag:1.0-
1.5wt.%, Cu:2.0-3.0wt.%, Sn:30.0-40.0wt.%, surplus are indium
A kind of liquid metal and technique for car surface scratch and pit reparation described in claim 1, it is characterised in that
Including processing and using step as follows :(a) by alloy according to required ingredient with postponing, it is put into induction furnace and carries out melting, and
Melting under argon gas protection is carried out using magnesia or alumina crucible；10 minutes are kept the temperature in 500-600 degree to stir using electromagnetism
Mix sufficiently by alloy melt after mixing evenly, import cast iron die in cast；(b) gained ingot casting is squeezed at room temperature
Pressure, using the pressure extrusion of 200-250MPa at the rodlike of diameter 2-5mm；(c) prepare before repairing: first dipping in wine with clean cotton yarn
The position that essence will repair scrubs；It to be repaired with tool (paper, the scraper and drill bit etc.) edge that can clear up superficial layer
Multiple place's stroke back and forth, cleans out groove the gloss of cash category；(d) electric iron or energy of 120-140 degree repair operation: are used
It is heated to the copper bolt of 120-140 degree；The patching material for cutting present patent application protection is pushed down using the working face of soldering iron, together
When promptly drag soldering iron back and forth in mend and enable the space of the complete filling and repairing of patching material in semisolid；
Further, it is also possible to which the patching material of semisolid is plated using the plane of soldering iron simultaneously；After the completion of repairing, the tools such as scraper are utilized
Surface is repaired and scrapes ideal surface requirements；After the temperature for repairing position is thoroughly reduced to room temperature, so that it may using on the market
Common mending paint carries out last patch work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910486633.0A CN110142473A (en) | 2019-06-05 | 2019-06-05 | A kind of liquid metal and technique for car surface scratch and pit reparation |
Applications Claiming Priority (1)
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| JPS631160B2 (en) * | 1982-02-01 | 1988-01-11 | Fujikura Cable Works Ltd | |
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| US20140299231A1 (en) * | 2013-04-05 | 2014-10-09 | Samsung Electronics Co., Ltd. | Metal-based solder composite including conductive self-healing materials |
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Application publication date: 20190820 |