CN107099780A - One kind is used for die casting aluminium heating radiating fin process of surface treatment - Google Patents
One kind is used for die casting aluminium heating radiating fin process of surface treatment Download PDFInfo
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- CN107099780A CN107099780A CN201710234210.0A CN201710234210A CN107099780A CN 107099780 A CN107099780 A CN 107099780A CN 201710234210 A CN201710234210 A CN 201710234210A CN 107099780 A CN107099780 A CN 107099780A
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- radiating fin
- surface treatment
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/48—Ion implantation
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/02—Pretreatment of the material to be coated
- C23C14/028—Physical treatment to alter the texture of the substrate surface, e.g. grinding, polishing
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
- C23C4/08—Metallic material containing only metal elements
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/134—Plasma spraying
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F3/00—Brightening metals by chemical means
- C23F3/02—Light metals
- C23F3/03—Light metals with acidic solutions
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- General Chemical & Material Sciences (AREA)
- Coating By Spraying Or Casting (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
It is used for die casting aluminium heating radiating fin process of surface treatment the present invention relates to one kind, fin surface is carried out after pre-treatment on its surface by plasma spraying technology injection metal ion, the metal of metal ion implantation includes aluminium, molybdenum, palladium or yttrium.The present invention one is that simple production process is reasonable, and used device is few, and production cost is low；Two be, advantages of good adsorption effect low to coating surface processing requirement, and adhesive force is strong, and coating does not flake, nondiscolouring；Three be levelling and good heat radiation effect, and heat transfer rate is fast, and the thermal efficiency is high.Four be antiacid, alkali, salt corrosion and seawater corrosion, favorable anti-corrosion effect；Four be that anti-wear performance and shock resistance effect are good.
Description
Technical field
The present invention relates to surface treatment, and in particular to one kind is used for die casting aluminium heating radiating fin process of surface treatment.
Background technology
The rapid growth developed with Chinese national economy, the income of residents is improved year by year, and living standard and housing condition are obtained
To further improvement, die-casting aluminum heating radiator is because cooling surface area is big, the thermal efficiency is high, temperature pleasant the features such as on northern ground
Area is used widely.
Current die-casting aluminum heating radiator surface treatment mainly uses polyester powder coating, although technology maturation, technique letter
It is single, it is adapted to produce in enormous quantities, but have problems with use：One when being due to minister in die-casting aluminum heating radiator
Between high temperature influence, easily gradually discoloration or coating stripping, i.e. adhesive force is not strong for coating surface after being grown partially in service life, easily de-
Fall.Two be that coating is general between 80~120um, and coating is thin, causes die-casting aluminum heating radiator surface temperature higher.Three be by
The influence of levelling, heat radiation is smaller, influences radiating effect.Four be to require higher to coated surface treatment.Five be anticorrosive property
It is poor.Six be that environmental protection is poor, seriously polluted.
The content of the invention
It is an object of the invention to easily de- using molding powder spraying in order to solve existing die-casting aluminum heating radiator surface treatment
Fall, anticorrosive property it is poor, with serious pollution defect and provide that a kind of adhesive force is strong, anticorrosive property is good, and intensity is good, environmentally friendly to be used to press
Cast aluminium heating radiating fin process of surface treatment.
To achieve these goals, the present invention uses following technical scheme：
One kind is used for die casting aluminium heating radiating fin process of surface treatment, passes through after fin surface is carried out into pre-treatment on its surface
Plasma spraying technology injects metal ion, and the metal of metal ion implantation includes aluminium, molybdenum, palladium or yttrium.
Handled preferably, the pre-treatment includes bead with chemical polishing, bead is by laser alignment
Region is managed, power density 120W/cm is then utilized2, the transparent restraint layer irradiation of the laser beam transparent of short pulse scribbles absorbed layer
Metal targets surface, coating material is gasified rapidly, ionize after form plasma；In the presence of restraint layer, plasma
The high-strength impact wave impact processed workpiece surface that body blast is produced；Laser facula is used without interval continuous arrangement or overlapping row
Row, processing coverage rate requirement reaches more than 80%；The index of correlation of laser is：Single pulse energy 65-85J, optical maser wavelength is
1.76 μm, laser pulse width 45-50ns, work repetition rate 0.3Hz；Laser spot diameter is usually 3-5mm；It is described to absorb
Layer is pitch-dark, and thickness degree is 20-100 μm.
Preferably, the polishing fluid of chemical polishing counts composition by weight is：35-55 parts of fluorine zirconic acid, bromic acid ammonium 5-10
Part, 30-45 parts of nano silicon dioxide sol, 3-5 parts of iridoid, 5-8 parts of 2-mercaptothiazoline, 30-40 parts of nano-cerium oxide
With 100-150 parts of water, the temperature of chemical polishing is 150-180 DEG C, is shaken while polishing with the ultrasonic wave of 80-100KHz frequency
Swing.
Preferably, the thickness of metal ion implantation is 3-5 microns.
Preferably, the condition of work of plasma spraying technology is：Electric current 750-780A, using argon gas and hydrogen as plasma
Body running gas, wherein argon flow amount are 50-55 standard liter minutes, and hydrogen flowing quantity is 20-25 standard liter minutes, and spray gun spout is away from spray
The distance in painting face is 90-100mm, powder feeding rate 0.3-3g/min.
Preferably, before plasma spraying, carrying out being preheated to 180-195 DEG C to fin matrix surface using spray gun.
The beneficial effects of the invention are as follows：
The present invention one is that simple production process is reasonable, and used device is few, and production cost is low；Two be to coating surface processing requirement
Low, advantages of good adsorption effect, adhesive force is strong, and coating does not flake, nondiscolouring；Three be levelling and good heat radiation effect, and heat transfer rate is fast, heat
Efficiency high.Four be antiacid, alkali, salt corrosion and seawater corrosion, favorable anti-corrosion effect；Four be anti-wear performance and shock resistance effect
It is good.
Embodiment
The present invention is described in detail with reference to specific embodiment.
Embodiment 1
One kind is used for die casting aluminium heating radiating fin process of surface treatment, it is characterised in that carry out fin surface after pre-treatment
Metal ion is injected by plasma spraying technology on its surface, the metal of metal ion implantation includes aluminium, molybdenum, palladium or yttrium；Gold
The thickness for belonging to ion implanting is 3-5 microns；Before plasma spraying, fin matrix surface is preheated to using spray gun
180℃；The condition of work of plasma spraying technology is：Electric current 750A, using argon gas and hydrogen as plasma operation gas, wherein argon
Throughput is 50 standard liter minutes, and hydrogen flowing quantity is 20 standard liter minutes, and distance of the spray gun spout away from spray-coating surface is 90mm, powder feeding
Speed 0.3g/min.
The pre-treatment includes bead and chemical polishing and handled, and bead is by laser alignment processing region, so
Power density 120W/cm is utilized afterwards2, the transparent restraint layer irradiation of the laser beam transparent of short pulse scribbles the metal targets of absorbed layer
Surface, coating material is gasified rapidly, ionize after form plasma；In the presence of restraint layer, plasma blast is produced
High-strength impact wave impact processed workpiece surface；Laser facula is used without interval continuous arrangement or overlapping arrangement, and processing is covered
The requirement of lid rate reaches more than 80%；The index of correlation of laser is：Single pulse energy 65J, optical maser wavelength is 1.76 μm, laser arteries and veins
Rush width 45ns, work repetition rate 0.3Hz；Laser spot diameter is usually 3-5mm；The absorbed layer is pitch-dark, thickness degree
For 20 μm.The polishing fluid of chemical polishing counts composition by weight：35 parts of fluorine zirconic acid, 5 parts of bromic acid ammonium, nano silicon are molten
30 parts of glue, 3 parts of iridoid, 5 parts of 2-mercaptothiazoline, 30 parts of nano-cerium oxide and 100 parts of water, the temperature of chemical polishing is
150 DEG C, with the ultrasonic oscillation of 80KHz frequency while polishing.
Embodiment 2
One kind is used for die casting aluminium heating radiating fin process of surface treatment, it is characterised in that carry out fin surface after pre-treatment
Metal ion is injected by plasma spraying technology on its surface, the metal of metal ion implantation includes aluminium, molybdenum, palladium or yttrium；Gold
The thickness for belonging to ion implanting is 3-5 microns；Before plasma spraying, fin matrix surface is preheated to using spray gun
185℃；The condition of work of plasma spraying technology is：Electric current 760A, using argon gas and hydrogen as plasma operation gas, wherein argon
Throughput is 52 standard liter minutes, and hydrogen flowing quantity is 22 standard liter minutes, and distance of the spray gun spout away from spray-coating surface is 95mm, powder feeding
Speed 1.3g/min.
The pre-treatment includes bead and chemical polishing and handled, and bead is by laser alignment processing region, so
Power density 120W/cm is utilized afterwards2, the transparent restraint layer irradiation of the laser beam transparent of short pulse scribbles the metal targets of absorbed layer
Surface, coating material is gasified rapidly, ionize after form plasma；In the presence of restraint layer, plasma blast is produced
High-strength impact wave impact processed workpiece surface；Laser facula is used without interval continuous arrangement or overlapping arrangement, and processing is covered
The requirement of lid rate reaches more than 80%；The index of correlation of laser is：Single pulse energy 75J, optical maser wavelength is 1.76 μm, laser arteries and veins
Rush width 48ns, work repetition rate 0.3Hz；Laser spot diameter is usually 3-5mm；The absorbed layer is pitch-dark, thickness degree
For 60 μm.The polishing fluid of chemical polishing counts composition by weight：48 parts of fluorine zirconic acid, 7 parts of bromic acid ammonium, nano silicon are molten
38 parts of glue, 4 parts of iridoid, 6 parts of 2-mercaptothiazoline, 36 parts of nano-cerium oxide and 120 parts of water, the temperature of chemical polishing is
160 DEG C, with the ultrasonic oscillation of 90KHz frequency while polishing.
Embodiment 3
One kind is used for die casting aluminium heating radiating fin process of surface treatment, it is characterised in that carry out fin surface after pre-treatment
Metal ion is injected by plasma spraying technology on its surface, the metal of metal ion implantation includes aluminium, molybdenum, palladium or yttrium；Gold
The thickness for belonging to ion implanting is 3-5 microns；Before plasma spraying, fin matrix surface is preheated to using spray gun
195℃；The condition of work of plasma spraying technology is：Electric current 780A, using argon gas and hydrogen as plasma operation gas, wherein argon
Throughput is 55 standard liter minutes, and hydrogen flowing quantity is 25 standard liter minutes, and distance of the spray gun spout away from spray-coating surface is 100mm, is sent
Powder speed 3g/min.
The pre-treatment includes bead and chemical polishing and handled, and bead is by laser alignment processing region, so
Power density 120W/cm is utilized afterwards2, the transparent restraint layer irradiation of the laser beam transparent of short pulse scribbles the metal targets of absorbed layer
Surface, coating material is gasified rapidly, ionize after form plasma；In the presence of restraint layer, plasma blast is produced
High-strength impact wave impact processed workpiece surface；Laser facula is used without interval continuous arrangement or overlapping arrangement, and processing is covered
The requirement of lid rate reaches more than 80%；The index of correlation of laser is：Single pulse energy 85J, optical maser wavelength is 1.76 μm, laser arteries and veins
Rush width 50ns, work repetition rate 0.3Hz；Laser spot diameter is usually 3-5mm；The absorbed layer is pitch-dark, thickness degree
For 100 μm.The polishing fluid of chemical polishing counts composition by weight：55 parts of fluorine zirconic acid, 10 parts of bromic acid ammonium, nano silicon
45 parts of colloidal sol, 5 parts of iridoid, 8 parts of 2-mercaptothiazoline, 40 parts of nano-cerium oxide and 150 parts of water, the temperature of chemical polishing is
180 DEG C, with the ultrasonic oscillation of 100KHz frequency while polishing.
Described above, simply one embodiment of the invention is not made any formal to the invention
Limitation, on the basis of the technical scheme of the invention is not departed from, made simple modification, equivalent variations or modification fall
Enter the protection domain of the invention.
Claims (6)
1. one kind is used for die casting aluminium heating radiating fin process of surface treatment, it is characterised in that fin surface is carried out into pre-treatment
Metal ion is injected by plasma spraying technology on its surface afterwards, the metal of metal ion implantation includes aluminium, molybdenum, palladium or yttrium.
2. it is according to claim 1 a kind of for die casting aluminium heating radiating fin process of surface treatment, it is characterised in that described
Pre-treatment includes bead and chemical polishing and handled, bead be by laser alignment processing region, it is then close using power
Spend 120W/cm2, the transparent restraint layer irradiation of the laser beam transparent of short pulse scribbles the metal targets surface of absorbed layer, makes coating
Material gasifies rapidly, ionize after form plasma；In the presence of restraint layer, the high-strength impact that plasma blast is produced
Wave impact processed workpiece surface；Laser facula is used without interval continuous arrangement or overlapping arrangement, and processing coverage rate requirement reaches
More than 80%；The index of correlation of laser is：Single pulse energy 65-85J, optical maser wavelength is 1.76 μm, laser pulse width 45-
50ns, work repetition rate 0.3Hz；Laser spot diameter is usually 3-5mm；The absorbed layer is pitch-dark, and thickness degree is 20-
100μm。
3. it is according to claim 2 a kind of for die casting aluminium heating radiating fin process of surface treatment, it is characterised in that chemistry
The polishing fluid of polishing counts composition by weight：35-55 parts of fluorine zirconic acid, 5-10 parts of bromic acid ammonium, nano silicon dioxide sol 30-
45 parts, 3-5 parts of iridoid, 5-8 parts of 2-mercaptothiazoline, 30-40 parts of nano-cerium oxide and 100-150 parts of water, chemical polishing
Temperature be 150-180 DEG C, with the ultrasonic oscillation of 80-100KHz frequency while polishing.
4. it is according to claim 1 or 2 a kind of for die casting aluminium heating radiating fin process of surface treatment, it is characterised in that
The thickness of metal ion implantation is 3-5 microns.
A kind of be used for die casting aluminium heating radiating fin process of surface treatment 5. according to claim 1, it is characterised in that wait from
The condition of work of sub- spraying technology is：Electric current 750-780A, using argon gas and hydrogen as plasma operation gas, wherein argon flow amount
For 50-55 standard liter minutes, hydrogen flowing quantity is 20-25 standard liter minutes, and distance of the spray gun spout away from spray-coating surface is 90-100mm,
Powder feeding rate 0.3-3g/min.
6. a kind of according to claim 1 or 5 be used for die casting aluminium heating radiating fin process of surface treatment, it is characterised in that
Before plasma spraying, fin matrix surface is carried out using spray gun to be preheated to 180-195 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710234210.0A CN107099780A (en) | 2017-04-11 | 2017-04-11 | One kind is used for die casting aluminium heating radiating fin process of surface treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710234210.0A CN107099780A (en) | 2017-04-11 | 2017-04-11 | One kind is used for die casting aluminium heating radiating fin process of surface treatment |
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| Publication Number | Publication Date |
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| CN107099780A true CN107099780A (en) | 2017-08-29 |
Family
ID=59674993
Family Applications (1)
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| CN201710234210.0A Pending CN107099780A (en) | 2017-04-11 | 2017-04-11 | One kind is used for die casting aluminium heating radiating fin process of surface treatment |
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|---|---|---|---|---|
| CN101591508A (en) * | 2008-05-30 | 2009-12-02 | 安集微电子（上海）有限公司 | A kind of polishing slurries that is used for chemical mechanical polishing of metals and uses thereof |
| CN101665859A (en) * | 2009-09-08 | 2010-03-10 | 南京工业大学 | Laser shot blasting treatment process for stainless steel welded joint |
| CN101736214A (en) * | 2010-01-08 | 2010-06-16 | 清华大学 | Light metal surface laser impact micronano particle injection reinforcing method |
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| CN103331105A (en) * | 2013-07-19 | 2013-10-02 | 江苏大学 | Metal porous membrane preparation method and device based on laser shock wave effect |
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Application publication date: 20170829 |
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