CN106086790A - A kind of kirsite antique copper vacuum coating method - Google Patents
A kind of kirsite antique copper vacuum coating method Download PDFInfo
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- CN106086790A CN106086790A CN201610404639.5A CN201610404639A CN106086790A CN 106086790 A CN106086790 A CN 106086790A CN 201610404639 A CN201610404639 A CN 201610404639A CN 106086790 A CN106086790 A CN 106086790A
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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
- C23C14/06—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
- C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
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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
- C23C14/02—Pretreatment of the material to be coated
-
- 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
- C23C14/0605—Carbon
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physical Vapour Deposition (AREA)
Abstract
The invention discloses a kind of kirsite antique copper vacuum coating method, comprise the following steps: step one, zinc alloy diecasting is become blank deburring；Step 2, described blank is polished or wire drawing；Step 3, in vacuum hydrocarbon cleaning mode, oil removing, paraffin removal are carried out to described blank；Step 4, will clean after described blank proceed to vacuum drying oven in carry out ion aura activation, and be sequentially depositing the first metallic chromium layer, silicochromium layer, the second metallic chromium layer, metal copper layer, graphite top layer on the surface of described blank；Step 5, in vacuum drying oven, take out described blank and carry out wire drawing to described graphite top layer, forming required lines；And step 6, described blank is carried out spray the colored varnish or spray transparent powder.The metal copper layer on the surface of blank, graphite superficial deposit process are all carried out in same vacuum drying oven, only need to be to the wire drawing of graphite top layer and spraying clear finish or transparent powder after coming out of the stove, and not only cost is relatively low, adhesion is more excellent, and without waste gas, discharge of wastewater.
Description
Technical field
The present invention relates to field of metal surface treatment technology, be specifically related to a kind of kirsite antique copper vacuum coating side
Method.
Background technology
Kirsite is the alloy adding other elements compositions such as aluminium, copper, magnesium, cadmium based on zinc.Because kirsite fusing point is low,
Good fluidity, easy melting welding, soldering and plastic working, corrosion-resistant in an atmosphere, maimed material is easy to reclaim and remelting.It is particularly well-suited to
Manufacture to tolerance less tight, and complex-shaped parts, also less big the and complex-shaped structural member of stress and dress
Gadget.
But, due to shortcomings such as the poor chemical stability of kirsite itself and mutabilities, bring necessarily to surface treatment
Difficulty.The surface treatment of current kirsite, is typically all and uses water electroplating technique, improves corrosion resistance and the decoration of product
Property.And the technique of antique copper, it is also at zinc alloy surface one layer of red copper of plating or bronze, then carried out at blackout by chemical agent
Reason, then obtains, by wire drawing, the lines needing, finally at its surface spraying layer of transparent paint or transparent powder.
Specifically as Chinese invention patent (CN 102218961 A) discloses implementing blackening bronze wire drawing element on a kind of metalwork
The environment-friendly type film plating process of part, it is characterised in that comprise the following steps: 1) metal blank is carried out dry clean and activation；2) will
It is black that metal blank after activation enters row metal dye；3) wire drawing, the required lines of pull-out are carried out by contaminating black metal blank；4) will draw
Metal blank after Si carries out dry clean and activation；5) by step 4) the metal blank spraying Lacquer finish of the wire drawing lines that obtains adds
Look finish paint, i.e. completes the environment-friendly type plated film at implementing blackening bronze wire drawing element on metal piece.
Although it is the environment-friendly type film plating process mature technology of above-mentioned implementing blackening bronze wire drawing element on metal piece, steady
Fixed, but the waste gas, the discharge of wastewater problem that produce in its coating process also cannot get well solving at present.
Content of the invention
For the above-mentioned problems in the prior art, it is desirable to provide the kirsite antique copper vacuum of a kind of non-environmental-pollution
Film plating process.
Concrete technical scheme is as follows:
A kind of kirsite antique copper vacuum coating method, has the feature that, comprises the following steps:
Step one, zinc alloy diecasting is become blank deburring；
Step 2, blank is polished or wire drawing；
Step 3, in vacuum hydrocarbon cleaning mode, oil removing, paraffin removal are carried out to blank；
Step 4, will clean after blank proceed to vacuum drying oven in carry out ion aura activation, and use physical vapour deposition (PVD)
Mode is sequentially depositing the first metallic chromium layer, silicochromium layer, the second metallic chromium layer, metal copper layer, graphite table on the surface of blank
Layer；
Step 5, in vacuum drying oven, take out blank carry out wire drawing to graphite top layer, form required lines；And
Step 6, blank is carried out spray the colored varnish or spray transparent powder.
Above-mentioned a kind of kirsite antique copper vacuum coating method, in step 4, first vacuum drying oven is evacuated to 8.0 ×
10-3Pa, turns off choke valve, starts to be passed through the argon gas of 300sccm, sets bias mains voltage 600V～800V, dutycycle
50%～70% pair of blank carries out ion aura activation 8min～10min.
Above-mentioned a kind of kirsite antique copper vacuum coating method, in step 4, blank is after the activation of ion aura, first
Close argon flow amount meter and open choke valve and vacuum drying oven is returned be evacuated to 5.0 × 10-3Pa；Secondly, close choke valve and be passed through
80sccm～90sccm argon gas, sets bias mains voltage as 150V～200V, dutycycle 50%～70%, sets chromium target electricity
Stream deposits 5min～8min the first metallic chromium layer for 25A to bombard to blank surface；Reset bias mains voltage be 100V～
150V, dutycycle 50%～70%, set silicon target electric current as 25A with to first metallic chromium layer surface deposition 30min～40min silicon
Chromium alloy layer.
Above-mentioned a kind of kirsite antique copper vacuum coating method, wherein, in step 4, treats that silicochromium layer is formed
After, stop deposition silicon target, and deposit 3min～5min the second metallic chromium layer at silicochromium layer continuous surface.
Above-mentioned a kind of kirsite antique copper vacuum coating method, wherein, in step 4, after chromium metal level is formed,
Stop deposition chromium target, set copper target electric current 30A and deposit 20-40min metal copper layer at chromium layer on surface of metal.
Above-mentioned a kind of kirsite antique copper vacuum coating method, wherein, in step 4, after copper metal layer is formed,
Stop deposition copper target, close argon flow amount meter；
Secondly, open choke valve vacuum drying oven is returned to be evacuated to 5.0 × 10-3Pa；
Turn off choke valve and be passed through 80sccm～90sccm argon gas, setting bias mains voltage as 50V～60V, duty
Ratio 50%～60%, sets graphite target electric current 22A and deposits 60-80min graphite top layer on copper metal layer surface.
Above-mentioned a kind of kirsite antique copper vacuum coating method, wherein, in step 4, copper target is red copper target or brass
Target.
Above-mentioned a kind of kirsite antique copper vacuum coating method, wherein, in step 3, blank is at vacuum hydrocarbon cleaning
Machine is carried out.
Above-mentioned a kind of kirsite antique copper vacuum coating method, also includes: step 7, to spray the colored varnish or spray transparent powder
After blank carry out solidifying, dry.
The good effect of technique scheme is:
In above-mentioned kirsite antique copper vacuum coating method, first by blank through wire drawing or polishing, hair can be effectively improved
The glossiness of base；Secondly, blank is carried out vacuum hydrocarbon cleaning, remove buffing wax and the greasy dirt of blank surface；Again, will clean
After blank proceed to vacuum drying oven in carry out ion aura activation, and use physical vapour deposition (PVD) mode to sink successively on the surface of blank
Long-pending first metallic chromium layer, silicochromium layer, the second metallic chromium layer, metal copper layer, graphite top layer, thus improve Zinc alloy casting
Performance and outward appearance；Then, by required lines, wire drawing is carried out to graphite top layer, make product appearance abundanter；Finally, then spray one
The transparent powder of layer or the colored varnish, improve the performance such as anti-corrosive properties, brightness of product.
Additionally, first metallic chromium layer on the surface of blank, silicochromium layer, the second metallic chromium layer, metal copper layer, graphite table
Layer deposition process is all carried out in same vacuum drying oven, only need to be to the wire drawing of graphite top layer and spraying clear finish or transparent powder after coming out of the stove
End, not only cost is relatively low, adhesion is more excellent, and without the discharge of waste gas, waste water.Compared with prior art, have operation simple, can
Lean on, low cost, the advantage such as non-environmental-pollution.
Detailed description of the invention
In order to make the present invention realize technological means, creation characteristic, reach purpose and be easy to understand with effect, real below
The technical scheme that executing example provides to the present invention is specifically addressed, but herein below is not as limiting to the invention.
The kirsite antique copper vacuum coating method that the present embodiment provides comprises the following steps:
Step one, zinc alloy diecasting is become blank deburring；
Step 2, blank is polished or wire drawing；
Step 3, in vacuum hydrocarbon cleaning mode, oil removing, paraffin removal are carried out to blank；
Step 4, will clean after blank proceed to vacuum drying oven in carry out ion aura activation, and use physical vapour deposition (PVD)
Mode is sequentially depositing the first metallic chromium layer, silicochromium layer, the second metallic chromium layer, metal copper layer, graphite table on the surface of blank
Layer；
Step 5, in vacuum drying oven, take out blank carry out wire drawing to graphite top layer, form required lines；And
Step 6, blank is carried out spray the colored varnish or spray transparent powder.
As preferred embodiment, in step 3, blank is carried out in vacuum hydrocarbon cleaning machine.
As preferred embodiment, the kirsite antique copper vacuum coating method that the present embodiment provides also includes step
7th, the blank after the spray colored varnish or spray transparent powder is carried out solidifying, dries.
As preferred embodiment, in step 4, first vacuum drying oven is evacuated to 8.0 × 10-3Pa, turns off throttling
Valve, starts to be passed through the argon gas of 300sccm, and setting bias mains voltage 600V～800V, 50%～70% pair of blank of dutycycle enter
Row ion aura activates 8min～10min.
As preferred embodiment, in step 4, blank, after the activation of ion aura, first closes argon flow amount meter simultaneously
Open choke valve vacuum drying oven is returned to be evacuated to 5.0 × 10-3Pa；Secondly, close choke valve and be passed through 80sccm～90sccm argon
Gas, sets bias mains voltage as 150V～200V, dutycycle 50%～70%, sets chromium target current as 25A with to blank table
Face bombardment deposition 5min～8min the first metallic chromium layer；Reset bias mains voltage be 100V～150V, dutycycle 50%～
70%, set silicon target electric current as 25A with to first metallic chromium layer surface deposition 30min～40min silicochromium layer.
As preferred embodiment, in step 4, after silicochromium layer is formed, stop deposition silicon target, and at silicon
Chromium alloy layer continuous surface deposits 3min～5min the second metallic chromium layer.Wherein, the first metallic chromium layer and the second metallic chromium layer are equal
It is high anticorrosion, high rigidity prime coat for intermediate layer, silicochromium layer.
As preferred embodiment, in step 4, after chromium metal level is formed, stop deposition chromium target, set copper target
Electric current 30A deposits 20-40min metal copper layer at chromium layer on surface of metal.Further, the copper target in the present embodiment be preferably red copper target or
Brass target.
As preferred embodiment, in step 4, after copper metal layer is formed, stop deposition copper target, close argon gas
Flowmeter；Secondly, open choke valve vacuum drying oven is returned to be evacuated to 5.0 × 10-3Pa；Turn off choke valve and be passed through 80sccm
～90sccm argon gas, sets bias mains voltage as 50V～60V, dutycycle 50%～60%, sets graphite target electric current as 22A
To deposit 60min～80min graphite top layer to copper metal layer surface.
In the kirsite antique copper vacuum coating method that the present embodiment provides, first by blank through wire drawing or polishing, can have
Effect improves the glossiness of blank；Secondly, blank is carried out vacuum hydrocarbon cleaning, remove buffing wax and the greasy dirt of blank surface；Again
Secondary, will clean after blank proceed to vacuum drying oven in carry out ion aura activation, and use physical vapour deposition (PVD) mode at blank
Surface is sequentially depositing the first metallic chromium layer, silicochromium layer, the second metallic chromium layer, metal copper layer, graphite top layer, thus improves zinc
The performance of alloy-steel casting and outward appearance；Then, by required lines, wire drawing is carried out to graphite top layer, make product appearance abundanter；?
After, then spray layer of transparent powder or the colored varnish, improve the performance such as anti-corrosive properties, brightness of product.
Additionally, first metallic chromium layer on the surface of blank, silicochromium layer, the second metallic chromium layer, metal copper layer, graphite table
Layer deposition process is all carried out in same vacuum drying oven, only need to be to the wire drawing of graphite top layer and spraying clear finish or transparent powder after coming out of the stove
End, not only cost is relatively low, adhesion is more excellent, and without the discharge of waste gas, waste water.Compared with prior art, have operation simple, can
Lean on, low cost, the advantage such as non-environmental-pollution.
Concrete, the present embodiment is carried out using the kirsite Guide rollers assembly in bathroom field as preferred embodiment in detail
Introduce, specific as follows:
The kirsite antique copper vacuum coating method manufacturing kirsite Guide rollers assembly comprises the following steps:
Step one, zinc alloy diecasting is become blank deburring；
Step 2, blank is polished；
Step 3, in vacuum hydrocarbon cleaning machine, oil removing, paraffin removal are carried out to blank；
Step 4, will clean after blank proceed to vacuum drying oven in carry out ion aura activation, and use physical vapour deposition (PVD)
Mode is sequentially depositing the first metallic chromium layer, silicochromium layer, the second metallic chromium layer, metal copper layer, graphite table on the surface of blank
Layer；
Step 5, in vacuum drying oven, take out blank carry out wire drawing to graphite top layer, form required lines；
Step 6, blank is carried out spray the colored varnish or spray transparent powder；And
Step 7, to spray the colored varnish or spray transparent powder after blank carry out solidifying, dry.
Concrete, in step 4, first vacuum drying oven is evacuated to 8.0 × 10-3Pa, turns off choke valve, starts to be passed through
The argon gas of 300sccm, setting bias mains voltage 600V, dutycycle 60% carry out ion aura activation 10min to blank.
Concrete, in step 4, blank, after the activation of ion aura, is first closed argon flow amount meter and opens choke valve general
Vacuum drying oven returns and is evacuated to 5.0 × 10-3Pa；Secondly, close choke valve and be simultaneously passed through 80sccm argon gas, set bias mains voltage as
150V, dutycycle 60%, set chromium target current as 25A to deposit 5min the first metallic chromium layer to blank surface；Reset bias
Supply voltage is 120V, dutycycle 60%, sets silicon target electric current as 25A with to the first metallic chromium layer surface deposition 30min silicochromium
Alloy-layer.
Concrete, in step 4, after silicochromium layer is formed, stop deposition silicon target, and continue at silicochromium layer
Surface deposits 3min the second metallic chromium layer.
Concrete, in step 4, after chromium metal level is formed, stop deposition chromium target, reset copper target electric current be 30A with
Deposit 20min metal copper layer to chromium layer on surface of metal.
Concrete, in step 4, after copper metal layer is formed, stop deposition copper target, close argon flow amount meter；Secondly,
Open choke valve vacuum drying oven is returned to be evacuated to 5.0 × 10-3Pa；Turn off choke valve and be passed through 90sccm argon gas, setting bias
Supply voltage is 50V, dutycycle 60%, sets graphite target electric current as 22A to deposit 80min graphite table to copper metal layer surface
Layer.
The kirsite Guide rollers assembly being produced by above-mentioned kirsite antique copper vacuum coating method can pass through following work(
Can test:
(A) CASS:16H
(B) thermal shock circulation: 4 circulations
(C) knockout impact: 12L
(D) adhesion (hundred cut): 5A
(E) water logging 38 DEG C: 24H
(F) pencil hardness (Mitsubishi): 2H
Function above test includes:
1st, anticorrosive functional test: CASS test (ASTM B368-09).
2nd, abrasion resisting functional test: sand trail (ASTM D968-05).
3rd, adhesion is tested: 1) hundred cut test (ASTM D3359-02)；2) thermal cycling test (ASME A112.18.1-
2005/CSA B125.1-05)。
4th, water-fast test: (ASTM D870-02) is tested in water logging.
5th, scratch resistance test: pencil hardness test (ASTM D3363-05).
These are only preferred embodiment of the present invention, not thereby limit embodiments of the present invention and protection domain, right
For those skilled in the art, it should can appreciate that all equivalents done by description of the invention and aobvious and easy used
Scheme obtained by the change seen, all should be included in protection scope of the present invention.
Claims (9)
1. a kirsite antique copper vacuum coating method, it is characterised in that comprise the following steps:
Step one, zinc alloy diecasting is become blank deburring；
Step 2, described blank is polished or wire drawing；
Step 3, in vacuum hydrocarbon cleaning mode, oil removing, paraffin removal are carried out to described blank；
Step 4, will clean after described blank proceed to vacuum drying oven in carry out ion aura activation, and use physical vapour deposition (PVD)
Mode is sequentially depositing the first metallic chromium layer, silicochromium layer, the second metallic chromium layer, metal copper layer, stone on the surface of described blank
Ink top layer；
Step 5, in vacuum drying oven, take out described blank and carry out wire drawing to described graphite top layer, forming required lines；And
Step 6, described blank is carried out spray the colored varnish or spray transparent powder.
2. kirsite antique copper vacuum coating method according to claim 1, it is characterised in that in described step 4,
First described vacuum drying oven is evacuated to 8.0 × 10-3Pa, turns off choke valve, starts to be passed through the argon gas of 300sccm, sets bias
Supply voltage 600V～800V, dutycycle 50%～70% carry out ion aura activation 8min～10min to described blank.
3. kirsite antique copper vacuum coating method according to claim 2, it is characterised in that in described step 4,
Described blank, after the activation of ion aura, is first closed argon flow amount meter and opens described choke valve by described vacuum drying oven pumpback vacuum
To 5.0 × 10-3Pa；
Secondly, close described choke valve and be passed through 80sccm～90sccm argon gas, set described bias mains voltage as 150V～
200V, dutycycle 50%～70%, set chromium target current as 25A with to described blank surface bombardment deposition 5min～8min first
Metallic chromium layer；
Resetting described bias mains voltage is 100V～150V, dutycycle 50%～70%, set silicon target electric current as 25A with to
Described first metallic chromium layer surface deposition 30min～40min silicochromium layer.
4. kirsite antique copper vacuum coating method according to claim 3, it is characterised in that in described step 4,
After described silicochromium layer is formed, stop the described silicon target of deposition, and described silicochromium layer continuous surface deposit 3min～
5min the second metallic chromium layer.
5. kirsite antique copper vacuum coating method according to claim 4, it is characterised in that in described step 4,
After described second chromium metal level is formed, stop the described chromium target of deposition, set copper target electric current 30A and sink at described chromium layer on surface of metal
Long-pending 20-40min metal copper layer.
6. kirsite antique copper vacuum coating method according to claim 1, it is characterised in that in described step 4,
After described copper metal layer is formed, stop the described copper target of deposition, close described argon flow amount meter；
Secondly, open described choke valve described vacuum drying oven is returned to be evacuated to 5.0 × 10-3Pa；
Turn off described choke valve and be passed through 80sccm～90sccm argon gas, set described bias mains voltage as 50V～60V,
Dutycycle 50%～60%, sets graphite target electric current 22A and deposits 60-80min graphite top layer on described copper metal layer surface.
7. kirsite antique copper vacuum coating method according to claim 5, it is characterised in that in described step 4,
Described copper target is red copper target or brass target.
8. kirsite antique copper vacuum coating method according to claim 1, it is characterised in that in described step 3,
Described blank is carried out in vacuum hydrocarbon cleaning machine.
9. kirsite antique copper vacuum coating method according to claim 1, it is characterised in that also include:
Step 7, the described blank after spraying paint or dusting is carried out solidifying, dries.
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| CN108286040A (en) * | 2018-03-20 | 2018-07-17 | 宁波威霖住宅设施有限公司 | A kind of copper chromium zinc gold film vacuum coating method |
| CN110004412A (en) * | 2019-05-09 | 2019-07-12 | 宁波威霖住宅设施有限公司 | A kind of allumen process of surface treatment |
| CN111996494A (en) * | 2020-08-17 | 2020-11-27 | 宁波威霖住宅设施有限公司 | Antique copper coating method for metal surface |
| CN113529020A (en) * | 2021-07-13 | 2021-10-22 | 鄂州市金瑞康电子工具科技有限公司 | Anticorrosive and antirust treatment process on iron-based material and anticorrosive and antirust coating |
| CN113549869A (en) * | 2021-07-21 | 2021-10-26 | 深圳市智创谷技术有限公司 | Vacuum coating method with antique grain effect |
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| CN111996494A (en) * | 2020-08-17 | 2020-11-27 | 宁波威霖住宅设施有限公司 | Antique copper coating method for metal surface |
| CN111996494B (en) * | 2020-08-17 | 2022-11-01 | 宁波威霖住宅设施有限公司 | Antique copper-like coating method for metal surface |
| CN113529020A (en) * | 2021-07-13 | 2021-10-22 | 鄂州市金瑞康电子工具科技有限公司 | Anticorrosive and antirust treatment process on iron-based material and anticorrosive and antirust coating |
| CN113549869A (en) * | 2021-07-21 | 2021-10-26 | 深圳市智创谷技术有限公司 | Vacuum coating method with antique grain effect |
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