CN109440073A - A kind of silver alloy target, silver alloy layers and electrochromic rearview - Google Patents
A kind of silver alloy target, silver alloy layers and electrochromic rearview Download PDFInfo
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- CN109440073A CN109440073A CN201811445861.5A CN201811445861A CN109440073A CN 109440073 A CN109440073 A CN 109440073A CN 201811445861 A CN201811445861 A CN 201811445861A CN 109440073 A CN109440073 A CN 109440073A
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- silver alloy
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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
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/12—Applying particulate materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/02—Rear-view mirror arrangements
- B60R1/08—Rear-view mirror arrangements involving special optical features, e.g. avoiding blind spots, e.g. convex mirrors; Side-by-side associations of rear-view and other mirrors
- B60R1/083—Anti-glare mirrors, e.g. "day-night" mirrors
- B60R1/088—Anti-glare mirrors, e.g. "day-night" mirrors using a cell of electrically changeable optical characteristic, e.g. liquid-crystal or electrochromic mirrors
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C5/00—Alloys based on noble metals
- C22C5/06—Alloys based on silver
-
- 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
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/18—Metallic material, boron or silicon on other inorganic substrates
- C23C14/185—Metallic material, boron or silicon on other inorganic substrates by cathodic sputtering
-
- 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
- C23C4/131—Wire arc 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
- 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
- C23C4/14—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying for coating elongate material
- C23C4/16—Wires; Tubes
Abstract
The present invention provides a kind of preparation methods of silver alloy target, comprising: by the cold spraying of silver alloy powder to stainless steel penstock surface, obtains silver alloy target；The ingredient of the silver alloy powder includes silver, gold and palladium；The mass ratio of the silver, gold and palladium is (78~88): (7~11): (1~5).Contain gold and palladium in the silver alloy powder that the present invention uses, with very strong corrosion resistance, and the solid solution of displaced type can be formed with silver, the present invention passes through the ingredient of strict control silver alloy powder and the dosage of each ingredient, making the silver alloy target of this silver alloy powder preparation has good corrosion resistance, and then make the silver alloy layers of this target preparation that there is good corrosion resistance, it can make electrochromic rearview that there is good reliability and durability in the reflecting layer that this silver alloy layers are used for electrochromic rearview.The present invention also provides a kind of preparation method of silver alloy layers and electrochromic rearviews.
Description
Technical field
The present invention relates to silver alloy technical field more particularly to a kind of silver alloy targets, silver alloy layers and electrochromism
Rearview mirror.
Background technique
Electrochomeric glass is a kind of glass to be changed colour by circuit control.Currently, the application of electrochomeric glass is more next
It is more extensive, as vehicle mirrors usually use electrochomeric glass.When driver is in driving at night, if there is garage at rear
It sails, the light of headlight impinges upon on rearview mirror, and Qiang Guanghui, which is reflected on the eyes of driver, makes it generate dazzle, is easy to cause driving
Member's moment is left in the dark, and at this time, if there are vehicle or pedestrian in front, it is easy to generate traffic accident.Therefore, more
Start to carry out anti-glare using electrochomeric glass come more vehicle mirrors, rearview mirror antiglare purpose principle is to work as intense light irradiation
When on rearview mirror, the sensor on mirror gives microcomputer optical signal, and by signal processing, control circuit makes mirror surface change colour, with
Strong light is absorbed, the reflection of strong light is cut down.
But electrochromic rearview needs to be further increased in reliability and durability at present, to meet
Higher requirement.Therefore, the performance for how improving electrochromic rearview becomes the hot spot of those skilled in the art's research.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of silver alloy target, silver alloy layers and electrochromism backsights
Mirror, electrochromic rearview provided by the invention have good reliability and durability.
The present invention provides a kind of silver alloy targets, comprising:
Stainless steel penstock；
It is deposited on the ag alloy layer on stainless steel penstock surface.
In the present invention, the stainless steel penstock preferably includes:
Stainless steel tube；
It is attached to the Cu-Al alloy-layer of the stainless steel pipe surface.
In the present invention, the stainless steel tube is preferably 304 stainless steel tubes；The internal diameter of the stainless steel tube is preferably 120
~130mm, more preferably 122~128mm, more preferably 124~126mm, most preferably 125mm；Outside the stainless steel tube
Diameter is preferably 130~140mm, more preferably 131~135mm, more preferably 132~134mm, most preferably 133mm.
In the present invention, the thickness of the Cu-Al alloy-layer is preferably 0.3~0.7mm, more preferably 0.4~0.6mm,
Most preferably 0.5mm.
In the present invention, the ingredient of the ag alloy layer includes silver, gold and palladium；The mass ratio of the silver, gold and palladium is (78
~88): (7~11): (1~5), preferably (80~86): (8~10): (2~4), more preferably (82~84): 9:3.
In the present invention, the thickness of the ag alloy layer is preferably 3~6mm, more preferably 4~5mm.
The present invention provides a kind of preparation methods of silver alloy target, comprising:
By the cold spraying of silver alloy powder to stainless steel penstock surface, silver alloy target is obtained.
In the present invention, the ingredient of the silver alloy powder includes silver, gold and palladium；The silver, golden and palladium mass ratio are
(78~88): (7~11): (1~5), preferably (80~86): (8~10): (2~4), more preferably (82~84): 9:3.
In the present invention, the granularity of the silver alloy powder is preferably 30~60 μm, and more preferably 40~50 μm, most preferably
It is 45 μm.
The present invention does not have specific limitation to the preparation method of the silver alloy powder, and use is well known to those skilled in the art
The preparation method of silver alloy powder is prepared, and silver alloy ingot casting such as can first be prepared, then silver alloy ingot casting is broken
It is broken, obtain alloy for dental amalgam.The present invention does not have special limitation to the preparation method of the silver alloy ingot casting, using art technology
Method known to personnel casts after silver, gold and palladium raw material are carried out melting, obtains silver alloy ingot casting.The present invention is to described
Broken method does not have special limitation, and silver alloy ingot casting is crushed to institute using breaking method well known to those skilled in the art
Need granularity.
In the present invention, preferably the silver alloy powder is dried before the cold spraying, the side of the drying
Method is preferably dried, and is more preferably dried in drying oven；The temperature of the drying is preferably 100~200 DEG C, more preferably
120~180 DEG C, most preferably 140~160 DEG C；The time of the drying is preferably 2~3 hours, and more preferably 2.2~2.8 is small
When, most preferably 2.4~2.6 hours.
In the present invention, the method for the cold spraying is preferred are as follows:
The silver alloy powder is collided into stainless steel penstock, makes silver alloy powder that plastic deformation occur and is deposited on stainless steel back
Pipe surface forms ag alloy layer, obtains silver alloy target.
In the present invention, it is preferred to which the silver alloy powder is uniformly mixed makes it collide stainless steel penstock again, more preferably will
The silver alloy powder is added in powder feeder and is uniformly mixed.
In the present invention, it is preferred to which the silver alloy powder, which is sent into Laval nozzle, makes alloy for dental amalgam using accelerating medium
End collision stainless steel penstock.
In the present invention, the accelerating medium is preferably compressed nitrogen.
In the present invention, the speed of the collision is preferably 600~800m/s, and present invention preferably employs the progress of this speed
Collision, to obtain the second best in quality coating, to make to be prepared silver alloy target with good corrosion resistance.
In the present invention, the stainless steel penstock preferably includes:
Stainless steel tube；
It is attached to the Cu-Al alloy-layer of the stainless steel pipe surface.
In the present invention, the stainless steel tube is preferably 304 stainless steel tubes；The internal diameter of the stainless steel tube is preferably 120
~130mm, more preferably 122~128mm, more preferably 124~126mm, most preferably 125mm；Outside the stainless steel tube
Diameter is preferably 130~140mm, more preferably 131~135mm, more preferably 132~134mm, most preferably 133mm.
In the present invention, the thickness of the Cu-Al alloy-layer is preferably 0.3~0.7mm, more preferably 0.4~0.6mm,
Most preferably 0.5mm.
In the present invention, the preparation method of the stainless steel penstock preferably includes:
Blanking, Che Guan, sandblasting and bottoming.
In the present invention, the method for the blanking is preferred are as follows:
The stainless steel tube of required length is taken using sawing machine saw.
In the present invention, the stainless steel tube is preferably 304 stainless steel tubes；The internal diameter of the stainless steel tube is preferably 120
~130mm, more preferably 122~128mm, more preferably 124~126mm, most preferably 125mm；Outside the stainless steel tube
Diameter is preferably 130~140mm, more preferably 131~135mm, more preferably 132~134mm, most preferably 133mm.
In the present invention, the method for the vehicle pipe is preferred are as follows:
Vehicle is distinguished at the both ends of the stainless steel tube obtained after blanking and goes out groove and oblique angle.
In the present invention, the sandblasting is roughened the stainless steel pipe surface of Che Guanhou.In the present invention, the side of the sandblasting
Method is preferred are as follows:
Its surface is subjected to blasting treatment by sand-blasting machine by the stainless steel tube of Che Guanhou.
In the present invention, the sand-blast material of the blasting treatment is preferably Brown Alundum；The granularity of the Brown Alundum is preferably
70~90 mesh, more preferably 75~85 mesh, most preferably 80 mesh.
In the present invention, the method for the bottoming is preferred are as follows:
Stainless steel pipe surface after sandblasting is sprayed into one layer of Cu-Al alloy-layer, obtains stainless steel penstock.
In the present invention, the spraying is preferably sprayed using arc-spraying machine.In the present invention, the Cu-Al alloy-layer
Thickness be preferably 0.3~0.7mm, more preferably 0.4~0.6mm, most preferably 0.5mm.
Present invention preferably employs the stainless steel penstock that above-mentioned process is prepared, the present invention is by using reasonable system
Preparation Method simultaneously controls the stainless steel penstock that the technological parameter in preparation process is prepared and can preferably make silver alloy powder shape
At coating, to make the silver alloy target being prepared that there is good corrosion resistance.
In the present invention, the present invention preferably requires the silver alloy target according to size after obtaining the silver alloy target
It is machined, is then cleaned, dried.In the present invention, the method for the machining is preferably that lathe adds
Work.
The present invention provides a kind of silver alloy layers, the ingredient of the silver alloy layers includes silver, gold and palladium；The silver,
The mass ratio of gold and palladium is (78~88): (7~11): (1~5), preferably (80~86): (8~10): (2~4), more preferably
For (82~84): 9:3.
In the present invention, the thickness of the silver alloy layers is preferably 50~100nm, more preferably 60~90nm, optimal
It is selected as 70~80nm.
The present invention provides a kind of preparation methods of silver alloy layers, comprising:
By carrying out magnetron sputtering to silver alloy target, silver alloy layers are formed in glass surface.
In the present invention, the silver alloy target is consistent with silver alloy target described in above-mentioned technical proposal, no longer superfluous herein
It states.
In the present invention, the power of the magnetron sputtering is preferably 8~12KW, more preferably 9~11KW, most preferably
For 10KW；The voltage of the magnetron sputtering is preferably 350~500V, more preferably 400~450V, most preferably 420~430V；
The electric current of the magnetron sputtering is preferably 10~30A, more preferably 15~25A, most preferably 20A；The argon of the magnetron sputtering
Throughput is preferably 100~200SCCM, more preferably 120~180SCCM, most preferably 140~160SCCM.
Present invention preferably employs the magnetically controlled sputter methods of above-mentioned technological parameter to prepare silver alloy layers, this magnetron sputtering work
Skill parameter is suitable for carrying out magnetron sputtering to above-mentioned silver alloy target, can make that the preferable silver alloy layers of quality are prepared, make
It is with good corrosion resistance.
The present invention provides a kind of electrochromic rearview, the reflecting layer of the electrochromic rearview is silver alloy plating
Layer.
In the present invention, the silver alloy layers are consistent with silver alloy layers described in above-mentioned technical proposal, herein no longer
It repeats.The present invention does not have special limitation to the electrochromic rearview, using electroluminescent change well known to those skilled in the art
Color rearview mirror makes its reflecting layer silver alloy layers.In the present invention, the electrochromic rearview preferably wraps
It includes:
Glass lower piece；
The electrochromic material of the glass lower piece upper surface is set；
The glass loading on the electrochromic material surface is set；
The lower surface of the glass lower piece is provided with reflecting layer.
The present invention does not have special limitation to the glass lower piece, glass loading and electrochromic material, using ability
Glass lower piece, glass loading and the electrochromic material of electrochromic rearview known to field technique personnel, such as glass
The thickness of glass upper piece and glass lower piece independent can be selected from 1~2.5mm, preferably 1.5~2mm.
The present invention does not have special limitation to the electrochromic material, can be used for using well known to those skilled in the art
EC (electrochromism) material of electrochomeric glass can both use inorganic electrochromic material, such as tungstic acid；It can also
To use organic electrochromic material, such as polythiophene class and its derivative, purple sieve essence, four sulphur Fu Waxi, metal phthalocyanine class chemical combination
Object etc..The present invention does not have special limitation to the thickness of the electrochromic material, and those skilled in the art can be according to practical life
Produce the electrochromic material of situation setting suitable thickness.In the present invention, the thickness of the electrochromic material be preferably 50~
150 microns, more preferably 80~120 microns, most preferably 100 microns.
In the present invention, the lower surface of the glass lower piece, i.e., the following table of the described glass lower piece is arranged in the reflecting layer
Face is provided with reflecting layer, and the upper surface of glass lower piece is connect with electrochromic material.
The present invention does not have special limitation to the preparation method of the electrochromic rearview, using those skilled in the art
Prepared by the preparation process of well known electrochromic rearview, such as can obtain band according to the preparation method of above-mentioned silver alloy layers
There is the glass lower piece in reflecting layer, glass loading, electrochromic material and glass lower piece are assembled.
In the prior art, electrochromic rearview is to realize higher reflectivity, generally using metallic silver as high reflection
Material, but the corrosion resistance of silver itself is poor, reflecting layer and electrochromic material contact in electrochromic rearview in addition is led to
Electrochemical corrosion is formed after electricity, and ag material is made to be easier to be corroded.The present invention is used during preparing silver alloy target
There is very strong corrosion resistance containing gold and palladium element, gold and palladium in silver alloy powder, and displaced type can be formed with silver
Solid solution, the present invention make this silver alloy powder system by the ingredient of strict control silver alloy powder and the dosage of each ingredient
Standby silver alloy target has good corrosion resistance, and then the silver alloy layers of this target preparation is made to have good corrosion resistant
The reflecting layer that this silver alloy layers are used for electrochromic rearview can be such that electrochromic rearview has good by corrosion
Reliability and durability.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff it is improved or retouching all other example, shall fall within the protection scope of the present invention.
Raw materials used following embodiment of the present invention is commercial goods.
Embodiment 1
Taking one section of internal diameter with sawing machine saw is 125mm, and outer diameter is 304 stainless steel tubes of 133mm；By the both ends of stainless steel tube point
Other vehicle goes out groove and chamfering；Partial size is used to carry out blasting treatment to stainless steel pipe surface by sand-blasting machine for the Brown Alundum of 80 mesh；
Steel pipe after blasting treatment is sprayed into the Cu-Al alloy-layer that a layer thickness is 0.5mm on its surface by arc-spraying machine, is obtained
Stainless steel penstock；
Melting is carried out after elemental silver, elemental gold and simple substance palladium are mixed, obtains aluminium alloy；The aluminium alloy is poured
Casting, obtains silver alloy ingot casting；The silver alloy ingot casting is crushed, the silver alloy powder that granularity is 30~40 μm is obtained.
The drying oven that the silver alloy powder being prepared is placed in 100 DEG C is dried 2 hours；By the silver alloy powder after drying
It is added in powder feeder, is uniformly mixed and is sent into Laval nozzle by powder feeder, using compressed nitrogen as accelerating medium, make silver
Alloy powder collides above-mentioned stainless steel penstock under the speed of 600m/s, and strong plastic deformation deposition shape occurs for silver alloy powder
At fine and close ag alloy layer, silver alloy target is obtained；Molding target is machined with lathe, then cleaned,
Drying.
Magnetron sputtering is carried out to above-mentioned silver alloy target, is formed with a thickness of the glass surface of 1.2mm with a thickness of 50nm's
Silver alloy layers, the power in the magnetron sputtering process is 8KW, voltage 350V, electric current 10A, and argon flow is
100SCCM；The mass ratio of silver, gold and palladium is 78:7:1 in the silver alloy layers.
Using the glass with silver alloy layers of above-mentioned preparation as glass lower piece, silver alloy layers are arranged in glass lower piece
Lower surface, EC material is perfused between glass loading and glass lower piece and is formed with a thickness of 80 microns of electrochromic layer, glass
Upper piece with a thickness of 1.2mm, obtain electrochromic rearview.
Using Minolta 3600D tester, the electrochromic rearview tone prepared to the embodiment of the present invention 1 is surveyed
Examination, test result L*=90.27, a*=-5.29, b*=12.56；Using Minolta 3600D tester, the present invention is implemented
The reflectivity of electrochromic rearview prepared by example 1 is tested, and test result is R=79.01@550nm；Using Shimadzu
UV2600 spectral photometer tests the response time for the electrochromic rearview that the embodiment of the present invention 1 is prepared, and surveys
Test result is 13 seconds.
The electrochromic rearview that the embodiment of the present invention 1 is prepared is placed 1 hour at (90 DEG C) of high temperature respectively, low temperature
(- 40 DEG C) are placed 1 hour, and (85 DEG C, 85%) of high temperature and humidity are placed 1 hour, and (- 40 DEG C~85 DEG C) of cooling thermal impact are placed 1 hour,
UV irradiation is lower to place 1 hour, and (35 DEG C, 5% NaCl solution) of salt fog are stored 48 hours, and high-pressure water boiling (121 DEG C, 2 atmosphere
Pressure) it places 8 hours, its appearance is observed without significant change；Its tone is tested without significant change；Its reflectivity is tested to become without obvious
Change；Its response time is tested without significant change.The electrochromic rearview that the embodiment of the present invention 1 is prepared have it is good can
By property.
By 30 seconds bright, 30 seconds secret marks for a circulation, the electrochromic rearview that the embodiment of the present invention 1 is prepared
It recycles 20,000 times at -40 DEG C, is recycled 60,000 times under room temperature (25 DEG C), recycled 20,000 times under high temperature and humidity (85 DEG C, 85%),
Every 10,000 intercycles 24 hours, amount to circulation 100,000 times.It is being placed at room temperature for 24 hours after test, observation is not found can not be extensive
Multiple open defect, testing its reflectivity is R=78.08@550nm, coloration L*=89.27, a*=-5.00, b*=
11.56, the response time is 14 seconds.The electrochromic rearview that the embodiment of the present invention 1 is prepared has good durability.
Embodiment 2
Taking one section of internal diameter with sawing machine saw is 125mm, and outer diameter is 304 stainless steel tubes of 133mm；By the both ends of stainless steel tube point
Other vehicle goes out groove and chamfering；Partial size is used to carry out blasting treatment to stainless steel pipe surface by sand-blasting machine for the Brown Alundum of 80 mesh；
Steel pipe after blasting treatment is sprayed into the Cu-Al alloy-layer that a layer thickness is 0.5mm on its surface by arc-spraying machine, is obtained
Stainless steel penstock；
Melting is carried out after elemental silver, elemental gold and simple substance palladium are mixed, obtains aluminium alloy；The aluminium alloy is poured
Casting, obtains silver alloy ingot casting；The silver alloy ingot casting is crushed, the silver alloy powder that granularity is 40~50 μm is obtained.
The drying oven that the silver alloy powder being prepared is placed in 150 DEG C is dried 2.5 hours；By the alloy for dental amalgam after drying
End is added in powder feeder, is uniformly mixed and is sent into Laval nozzle by powder feeder, using compressed nitrogen as accelerating medium, made
Silver alloy powder collides above-mentioned stainless steel penstock under the speed of 700m/s, and silver alloy powder occurs strong plastic deformation and immerses
Dense coating is formed, silver alloy target is obtained；Molding target is machined with lathe, then cleaned, dried
?.
Magnetron sputtering is carried out to above-mentioned silver alloy target, forms the silver with a thickness of 80nm in the glass surface with a thickness of 2mm
Alloy layer, the power in the magnetron sputtering process is 10KW, voltage 450V, electric current 20A, and argon flow is
150SCCM；The mass ratio of silver, gold and palladium is 83:9:3 in the silver alloy layers.
Using the glass with silver alloy layers of above-mentioned preparation as glass lower piece, silver alloy layers are arranged in glass lower piece
Lower surface, EC material is perfused between glass loading and glass lower piece and is formed with a thickness of 100 microns of electrochromic layer, glass
Upper piece with a thickness of 2mm, obtain electrochromic rearview.
According to the method for embodiment 1, the electrochromic rearview tone prepared to the embodiment of the present invention 2 is tested, and is surveyed
Test result is L*=90.73, a*=-5.03, b*=11.68；To the embodiment of the present invention 2 prepare electrochromic rearview it is anti-
The rate of penetrating is tested, and test result is R=79.92@550nm；The electrochromic rearview that the embodiment of the present invention 2 is prepared
Response time tested, test result be 13 seconds.
The electrochromic rearview that the embodiment of the present invention 2 is prepared is placed 1 hour at (90 DEG C) of high temperature respectively, low temperature
(- 40 DEG C) are placed 1 hour, and (85 DEG C, 85%) of high temperature and humidity are placed 1 hour, and (- 40 DEG C~85 DEG C) of cooling thermal impact are placed 1 hour,
UV irradiation is lower to place 1 hour, and (35 DEG C, 5% NaCl solution) of salt fog are stored 48 hours, and high-pressure water boiling (121 DEG C, 2 atmosphere
Pressure) it places 8 hours, its appearance is observed without significant change；Its tone is tested without significant change；Its reflectivity is tested to become without obvious
Change；Its response time is tested without significant change.The electrochromic rearview that the embodiment of the present invention 2 is prepared have it is good can
By property.
By 30 seconds bright, 30 seconds secret marks for a circulation, the electrochromic rearview that the embodiment of the present invention 2 is prepared
It recycles 20,000 times at -40 DEG C, is recycled 60,000 times under room temperature (25 DEG C), recycled 20,000 times under high temperature and humidity (85 DEG C, 85%),
Every 10,000 intercycles 24 hours, amount to circulation 100,000 times.It is being placed at room temperature for 24 hours after test, observation is not found can not be extensive
Multiple open defect, testing its reflectivity is R=79.01@550nm；Coloration is L*=90.08, a*=-4.03, b*=
12.68, the response time is 14 seconds.The electrochromic rearview that the embodiment of the present invention 2 is prepared has good durability.
Embodiment 3
Taking one section of internal diameter with sawing machine saw is 125mm, and outer diameter is 304 stainless steel tubes of 133mm；By the both ends of stainless steel tube point
Other vehicle goes out groove and chamfering；Partial size is used to carry out blasting treatment to stainless steel pipe surface by sand-blasting machine for the Brown Alundum of 80 mesh；
Steel pipe after blasting treatment is sprayed into the Cu-Al alloy-layer that a layer thickness is 0.5mm on its surface by arc-spraying machine, is obtained
Stainless steel penstock；
Melting is carried out after elemental silver, elemental gold and simple substance palladium are mixed, obtains aluminium alloy；The aluminium alloy is poured
Casting, obtains silver alloy ingot casting；The silver alloy ingot casting is crushed, the silver alloy powder that granularity is 50~60 μm is obtained.
The drying oven that the silver alloy powder being prepared is placed in 200 DEG C is dried 3 hours；By the silver alloy powder after drying
It is added in powder feeder, is uniformly mixed and is sent into Laval nozzle by powder feeder, using compressed nitrogen as accelerating medium, make silver
Alloy powder collides above-mentioned stainless steel penstock under the speed of 800m/s, and silver alloy powder occurs strong plastic deformation and immerses shape
At dense coating, silver alloy target is obtained；Molding target is machined with lathe, then cleaned, dried i.e.
It can.
Magnetron sputtering is carried out to above-mentioned silver alloy target, is formed with a thickness of the glass surface of 2.5mm with a thickness of 100nm's
Silver alloy layers, the power in the magnetron sputtering process is 12KW, voltage 500V, electric current 30A, and argon flow is
200SCCM；The mass ratio of silver, gold and palladium is 88:11:5 in the silver alloy layers.
Using the glass with silver alloy layers of above-mentioned preparation as glass lower piece, silver alloy layers are arranged in glass lower piece
Lower surface, EC material is perfused between glass loading and glass lower piece and is formed with a thickness of 120 microns of electrochromic layer, glass
Upper piece with a thickness of 2mm, obtain electrochromic rearview.
According to the method for embodiment 1, the electrochromic rearview tone prepared to the embodiment of the present invention 3 is tested, and is surveyed
Test result is L*=91.19, a*=-4.56, b*=9.39；To the embodiment of the present invention 3 prepare electrochromic rearview it is anti-
The rate of penetrating is tested, and test result is R=80.85@550nm；The electrochromic rearview that the embodiment of the present invention 3 is prepared
Response time tested, test result be 14 seconds.
The electrochromic rearview that the embodiment of the present invention 3 is prepared is placed 1 hour at (90 DEG C) of high temperature respectively, low temperature
(- 40 DEG C) are placed 1 hour, and (85 DEG C, 85%) of high temperature and humidity are placed 1 hour, and (- 40 DEG C~85 DEG C) of cooling thermal impact are placed 1 hour,
UV irradiation is lower to place 1 hour, and (35 DEG C, 5% NaCl solution) of salt fog are stored 48 hours, and high-pressure water boiling (121 DEG C, 2 atmosphere
Pressure) it places 8 hours, its appearance is observed without significant change；Its tone is tested without significant change；Its reflectivity is tested to become without obvious
Change；Its response time is tested without significant change.The electrochromic rearview that the embodiment of the present invention 3 is prepared have it is good can
By property.
By 30 seconds bright, 30 seconds secret marks for a circulation, the electrochromic rearview that the embodiment of the present invention 3 is prepared
It recycles 20,000 times at -40 DEG C, is recycled 60,000 times under room temperature (25 DEG C), recycled 20,000 times under high temperature and humidity (85 DEG C, 85%),
Every 10,000 intercycles 24 hours, amount to circulation 100,000 times.It is being placed at room temperature for 24 hours after test, observation is not found can not be extensive
Multiple open defect, testing its reflectivity is R=79.85@550nm；Coloration is L*=90.19, a*=-5.56, b*=
10.01；Response time is 15 seconds.The electrochromic rearview that the embodiment of the present invention 3 is prepared has good durability.
As seen from the above embodiment, the present invention provides a kind of preparation methods of silver alloy target, comprising: by alloy for dental amalgam
Last cold spraying obtains silver alloy target to stainless steel penstock surface；The ingredient of the silver alloy powder includes silver, gold and palladium；Institute
The mass ratio for stating silver, gold and palladium is (78~88): (7~11): (1~5).In the silver alloy powder that the present invention uses containing gold and
Palladium has very strong corrosion resistance, and can form the solid solution of displaced type with silver, and the present invention passes through strict control silver alloy
The dosage of the ingredient of powder and each ingredient has the silver alloy target of this silver alloy powder preparation good corrosion-resistant
Property, and then make the silver alloy layers of this target preparation that there is good corrosion resistance, this silver alloy layers are used for electroluminescent
The reflecting layer of electrochromic rearview can make electrochromic rearview have good reliability and durability.
What has been described above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill of the art
For personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of preparation method of silver alloy target, comprising:
By the cold spraying of silver alloy powder to stainless steel penstock surface, silver alloy target is obtained；
The ingredient of the silver alloy powder includes silver, gold and palladium；
The mass ratio of the silver, gold and palladium is (78~88): (7~11): (1~5).
2. the method according to claim 1, wherein the method for the cold spraying are as follows:
The silver alloy powder is collided into stainless steel penstock, makes silver alloy powder that plastic deformation occur and is deposited on stainless steel penstock table
Face forms ag alloy layer, obtains silver alloy target.
3. according to the method described in claim 2, it is characterized in that, the speed of the collision is 600~800m/s.
4. a kind of silver alloy target, comprising:
Stainless steel penstock；
It is deposited on the ag alloy layer on stainless steel penstock surface；
The ingredient of the ag alloy layer includes silver, gold and palladium；
The mass ratio of the silver, gold and palladium is (78~88): (7~11): (1~5).
5. silver alloy target according to claim 4, which is characterized in that the stainless steel penstock includes:
Stainless steel tube；
It is attached to the Cu-Al alloy-layer of the stainless steel pipe surface.
6. a kind of preparation method of silver alloy layers, comprising:
By carrying out magnetron sputtering to silver alloy target, silver alloy layers are formed in glass surface；
The silver alloy target is silver alloy target as claimed in claim 4.
7. according to the method described in claim 6, it is characterized in that, the power of the magnetron sputtering is 8~12KW；
The voltage of the magnetron sputtering is 350~500V；
The electric current of the magnetron sputtering is 10~30A.
8. a kind of silver alloy layers, the ingredient of the silver alloy layers includes silver, gold and palladium；
The mass ratio of the silver, gold and palladium is (78~88): (7~11): (1~5).
9. silver alloy layers according to claim 8, which is characterized in that the silver alloy layers with a thickness of 50~
100nm。
10. a kind of electroluminescent rearview mirror of discoloration, the reflecting layer of the electrochromic rearview is silver alloy according to any one of claims 8 plating
Layer.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059027A (en) * | 2020-08-05 | 2022-02-18 | 松田产业株式会社 | Cylindrical Ag alloy sputtering target, sputtering device, and method for manufacturing electronic device |
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