CN108588767A - A kind of electroplating technology of brush plating nano composite material - Google Patents
A kind of electroplating technology of brush plating nano composite material Download PDFInfo
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- CN108588767A CN108588767A CN201810431338.0A CN201810431338A CN108588767A CN 108588767 A CN108588767 A CN 108588767A CN 201810431338 A CN201810431338 A CN 201810431338A CN 108588767 A CN108588767 A CN 108588767A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/56—Electroplating: Baths therefor from solutions of alloys
- C25D3/562—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of iron or nickel or cobalt
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/04—Electroplating with moving electrodes
- C25D5/06—Brush or pad plating
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/10—Electroplating with more than one layer of the same or of different metals
- C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
- C25D5/14—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium two or more layers being of nickel or chromium, e.g. duplex or triplex layers
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
Abstract
The invention discloses a kind of electroplating technologies of brush plating nano composite material, include the following steps：S1, composite material is prepared；S2, plating solution is prepared；S3, plating composite material；S4, by the polishing of S37 treated brushes, equating, be then polished.Present invention process is simple, and manufacturing cost is relatively low, and end properties are not weaker than mainstream finished product in the market, even better than import finished product.Therefore, it is possible to bring the profit margin of bigger for enterprise, the competitiveness of enterprise is improved.
Description
Technical field
The present invention relates to a kind of brushes, more particularly to a kind of electroplating technology of brush plating nano composite material.
Background technology
Brush（Brush）It is an important component of motor, is responsible for conducting between rotary part and stationary parts
Electric current.Because relatively multi-purpose graphite is made, therefore also referred to as carbon brush.
Brush part increases its electric conductivity by the way of nickel plating at present, and existing product has had can reach above-mentioned mark
Accurate product, but its manufacturing cost is higher, complex process, it is on the high side also just to directly result in finished product, is unfavorable for the city of producer
Field competition.
Therefore, applicant proposes a kind of electroplating technology of brush plating nano composite material, simple for process, and cost is inclined
It is low, but end properties disclosure satisfy that current demand.
Invention content
In view of the drawbacks described above of the prior art, technical problem to be solved by the invention is to provide a kind of brush plating nanos
The electroplating technology of composite material.
To achieve the above object, the present invention provides a kind of electroplating technology of brush plating nano composite material, including it is as follows
Step：
S1, composite material is prepared
S11, by Nano titanium dioxide powder 4-6 times wash with distilled water, then dry, place into 1:It is impregnated in 1 nitric acid
It 3-5 hours, then filters, 4-6 times wash with distilled water, is dried for standby；
The titanium dioxide purity is 96-98%, and selects nanometer anatase titania powder；
S12, carbon nanotube is chosen（CNT）, carbon nanotube is put into, 500-600 DEG C is flowed back and be heated in the hydrochloric acid of 6Mol/L,
Keep 40-50min；
S13, by 98% concentrated sulfuric acid and 98% concentrated nitric acid according to volume ratio be 3:1 ratio mixing, is subsequently poured into the solution of S11
In, it is stirred 4-10 hours using ultrasonic wave；
S14, treated in S13 carbon nanotube is taken out, is then cleaned with neutralizer, the neutralizer by following components and
Its content is constituted, and 8% sodium hydroxide, 10% sodium chloride, surplus are plasma water, are put into after the completion of cleaning in drying oven and use 120
DEG C temperature is dried 8-12 hours；
S15, S14 treated carbon nanotubes are taken out, is put into container, and the part of agglomerate is broken up, is crushed；
It is added in the absolute ethyl alcohol to above-mentioned vessel of carbon nanotube by volume 2 times or more, using ultrasonic activation 1-2 hours so that
Carbon nanotube is dispersed in absolute ethyl alcohol；
S16, S11 is weighed treated titania powder, be added S15 treated in vessel, titania powder is received with carbon
The weight ratio of mitron is 1:1.5-4, then uses ultrasonic activation 1-2 hours so that titania powder is evenly dispersed；
S17, S16 treated raw materials are filtered, is then adopted 5-6 time wash with distilled water, drying acquisition composite granule；
S2, plating solution is prepared
S21, bottoming electroplate liquid is prepared, bottoming electroplate liquid is made of following components and its content：Nickel sulfate 390-410g/L, chlorination
Nickel 12-20 g/L, hydrochloric acid（A concentration of 40% or more）20-25 g/L, phosphoric acid（Concentration is more than 40%）70-75 g/L, carboxylic acid 40-50
G/L, pH value 0.5-1 can pass through ammonium hydroxide or dilute hydrochloric acid（A concentration of 8%）Adjust pH value；
S22, surface layer plating solution is prepared, surface layer plating solution is made of following components and its content：Nickel sulfate 260-300 g/L, carboxylic acid ammonium
Salt 60-65 g/L, ammonium carbonate 0.2-0.4 g/L, pH value 7-8.Ammonium hydroxide or dilute hydrochloric acid can be passed through（A concentration of 8%）Adjust pH value；
S23, composite plating bath is prepared, surface layer plating solution, the cationic surfactant of composite granule prepared by S17 and S22 preparations
It is 1 according to weight part ratio：10-15：The ratio mixing of 0.1-0.2 stirs evenly, while can pass through ammonium hydroxide or dilute hydrochloric acid（It is a concentration of
8%）PH value is adjusted in 7-8；
S3, plating composite material
S31, the brush that is electroplated will be needed to be polished with sander, its is made to expose fresh basal plane, at this time surface roughness 0.5 with
Under；
S32, by S31, treated that brush cleans with acetone deoils, and is then placed in clear water and cleans 3-6 times, then connects plated pen
Anode, brush connect cathode, and adjustment voltage is 12V, keeps 1-3min, is cleaned to the greasy dirt of surface of the electric brush to realize；
S33, primary activation, No. 2 activating solutions are poured into electroplating bath, and power supply is negative polarity, and adjustment voltage is 10V, brush plating 30-50
Second, it is in black gray expandable to make its surface, to understand the impurity of surface of the electric brush；
S34, re-activation will be poured into No. 3 activating solutions in electroplating bath, and power supply is negative polarity, and adjustment voltage is 16V, brush plating 1-
4min, it is in silver gray to make its surface.To which the carbon distribution in primary activation is cleared up so that surface of the electric brush is pure body；
S35, the S21 bottoming plating solutions prepared are poured into electroplating bath, power supply is positive polarity, voltage 18V, uses copper alloy as filling out
Fill material, plating 3-5 seconds；
Then adjustment voltage is 12V, is electroplated, until coating reaches the thickness of 0.002-0.004 ㎜；
S36, S35 treated brushes are taken out, by surface equating；
S37, the S23 composite plating solutions prepared are poured into another electroplating bath, power supply is positive polarity, and voltage 12V uses copper alloy
It as packing material, is electroplated, until total coating reaches the thickness of 0.1-0.12 ㎜；
S4, by the polishing of S37 treated brushes, equating, be then polished.
The beneficial effects of the invention are as follows：Present invention process is simple, and manufacturing cost is relatively low, and end properties are not weaker than in the market
Mainstream finished product, even better than import finished product.Therefore, it is possible to bring the profit margin of bigger for enterprise, the competition of enterprise is improved
Power.
Specific implementation mode
With reference to embodiment, the invention will be further described：
Embodiment one
A kind of electroplating technology of brush plating nano composite material, includes the following steps：
S1, composite material is prepared
S11, by Nano titanium dioxide powder 4-6 times wash with distilled water, then dry, place into 1:4 are impregnated in 1 nitric acid
Hour, it then filters, 4-6 times wash with distilled water, is dried for standby；
The titanium dioxide purity is 96-98%, and selects nanometer anatase titania powder；
S12, carbon nanotube is chosen（CNT）, carbon nanotube is put into, 550 DEG C is flowed back and be heated in the hydrochloric acid of 6Mol/L, kept
50min；
S13, by 98% concentrated sulfuric acid and 98% concentrated nitric acid according to volume ratio be 3:1 ratio mixing, is subsequently poured into the solution of S11
In, it is stirred 6 hours using ultrasonic wave；
S14, treated in S13 carbon nanotube is taken out, is then cleaned with neutralizer, the neutralizer by following components and
Its content is constituted, and 8% sodium hydroxide, 10% sodium chloride, surplus are plasma water, are put into after the completion of cleaning in drying oven and use 120
DEG C temperature is dried 9 hours；
S15, S14 treated carbon nanotubes are taken out, is put into container, and the part of agglomerate is broken up, is crushed；
It is added in the absolute ethyl alcohol to above-mentioned vessel of carbon nanotube by volume 2 times or more, using ultrasonic activation 1.5 hours so that
Carbon nanotube is dispersed in absolute ethyl alcohol；
S16, S11 is weighed treated titania powder, be added S15 treated in vessel, titania powder is received with carbon
The weight ratio of mitron is 1:3, then use ultrasonic activation 2 hours so that titania powder is evenly dispersed；
S17, S16 treated raw materials are filtered, is then adopted 5-6 time wash with distilled water, drying acquisition composite granule；
S2, plating solution is prepared
S21, bottoming electroplate liquid is prepared, bottoming electroplate liquid is made of following components and its content：Nickel sulfate 390-410g/L, chlorination
Nickel 12-20 g/L, hydrochloric acid（A concentration of 40% or more）20-25 g/L, phosphoric acid（Concentration is more than 40%）70-75 g/L, carboxylic acid 40-50
G/L, pH value 0.5-1 can pass through ammonium hydroxide or dilute hydrochloric acid（A concentration of 8%）Adjust pH value；
S22, surface layer plating solution is prepared, surface layer plating solution is made of following components and its content：Nickel sulfate 260-300 g/L, carboxylic acid ammonium
Salt 60-65 g/L, ammonium carbonate 0.2-0.4 g/L, pH value 7-8.Ammonium hydroxide or dilute hydrochloric acid can be passed through（A concentration of 8%）Adjust pH value；
S23, composite plating bath is prepared, surface layer plating solution, the cationic surfactant of composite granule prepared by S17 and S22 preparations
It is 1 according to weight part ratio：12：0.15 ratio mixing stirs evenly, while can pass through ammonium hydroxide or dilute hydrochloric acid（A concentration of 8%）It adjusts
PH value is in 7-8；
S3, plating composite material
S31, the brush that is electroplated will be needed to be polished with sander, its is made to expose fresh basal plane, at this time surface roughness 0.5 with
Under；
S32, by S31, treated that brush cleans with acetone deoils, and is then placed in clear water and cleans 3-6 times, then connects plated pen
Anode, brush connect cathode, and adjustment voltage is 12V, keeps 1-3min, is cleaned to the greasy dirt of surface of the electric brush to realize；
S33, primary activation, No. 2 activating solutions are poured into electroplating bath, and power supply is negative polarity, and adjustment voltage is 10V, brush plating 30-50
Second, it is in black gray expandable to make its surface, to understand the impurity of surface of the electric brush；
S34, re-activation will be poured into No. 3 activating solutions in electroplating bath, and power supply is negative polarity, and adjustment voltage is 16V, brush plating 1-
4min, it is in silver gray to make its surface.To which the carbon distribution in primary activation is cleared up so that surface of the electric brush is pure body；
S35, the S21 bottoming plating solutions prepared are poured into electroplating bath, power supply is positive polarity, voltage 18V, uses copper alloy as filling out
Fill material, plating 3-5 seconds；
Then adjustment voltage is 12V, is electroplated, until coating reaches the thickness of 0.003 ㎜；
S36, S35 treated brushes are taken out, by surface equating；
S37, the S23 composite plating solutions prepared are poured into another electroplating bath, power supply is positive polarity, and voltage 12V uses copper alloy
It as packing material, is electroplated, until total coating reaches the thickness of 0.11 ㎜；
S4, by the polishing of S37 treated brushes, equating, be then polished.
Embodiment two
A kind of electroplating technology of brush plating nano composite material, includes the following steps：
S1, composite material is prepared
S11, by Nano titanium dioxide powder 4-6 times wash with distilled water, then dry, place into 1:It is impregnated in 1 nitric acid
It 3-5 hours, then filters, 4-6 times wash with distilled water, is dried for standby；
The titanium dioxide purity is 96-98%, and selects nanometer anatase titania powder；
S12, carbon nanotube is chosen（CNT）, carbon nanotube is put into, 600 DEG C is flowed back and be heated in the hydrochloric acid of 6Mol/L, kept
40-50min；
S13, by 98% concentrated sulfuric acid and 98% concentrated nitric acid according to volume ratio be 3:1 ratio mixing, is subsequently poured into the solution of S11
In, it is stirred 10 hours using ultrasonic wave；
S14, treated in S13 carbon nanotube is taken out, is then cleaned with neutralizer, the neutralizer by following components and
Its content is constituted, and 8% sodium hydroxide, 10% sodium chloride, surplus are plasma water, are put into after the completion of cleaning in drying oven and use 120
DEG C temperature is dried 12 hours；
S15, S14 treated carbon nanotubes are taken out, is put into container, and the part of agglomerate is broken up, is crushed；
It is added in the absolute ethyl alcohol to above-mentioned vessel of carbon nanotube by volume 2 times or more, using ultrasonic activation 1 hour so that carbon
Nanotube is dispersed in absolute ethyl alcohol；
S16, S11 is weighed treated titania powder, be added S15 treated in vessel, titania powder is received with carbon
The weight ratio of mitron is 1:2, then use ultrasonic activation 1 hour so that titania powder is evenly dispersed；
S17, S16 treated raw materials are filtered, is then adopted 5-6 time wash with distilled water, drying acquisition composite granule；
S2, plating solution is prepared
S21, bottoming electroplate liquid is prepared, bottoming electroplate liquid is made of following components and its content：Nickel sulfate 390-410g/L, chlorination
Nickel 12-20 g/L, hydrochloric acid（A concentration of 40% or more）20-25 g/L, phosphoric acid（Concentration is more than 40%）70-75 g/L, carboxylic acid 40-50
G/L, pH value 0.5-1 can pass through ammonium hydroxide or dilute hydrochloric acid（A concentration of 8%）Adjust pH value；
S22, surface layer plating solution is prepared, surface layer plating solution is made of following components and its content：Nickel sulfate 260-300 g/L, carboxylic acid ammonium
Salt 60-65 g/L, ammonium carbonate 0.2-0.4 g/L, pH value 7-8.Ammonium hydroxide or dilute hydrochloric acid can be passed through（A concentration of 8%）Adjust pH value；
S23, composite plating bath is prepared, surface layer plating solution, the cationic surfactant of composite granule prepared by S17 and S22 preparations
It is 1 according to weight part ratio：14：0.2 ratio mixing stirs evenly, while can pass through ammonium hydroxide or dilute hydrochloric acid（A concentration of 8%）Adjust PH
Value is in 7-8；
S3, plating composite material
S31, the brush that is electroplated will be needed to be polished with sander, its is made to expose fresh basal plane, at this time surface roughness 0.5 with
Under；
S32, by S31, treated that brush cleans with acetone deoils, and is then placed in clear water and cleans 3-6 times, then connects plated pen
Anode, brush connect cathode, and adjustment voltage is 12V, keeps 1-3min, is cleaned to the greasy dirt of surface of the electric brush to realize；
S33, primary activation, No. 2 activating solutions are poured into electroplating bath, and power supply is negative polarity, and adjustment voltage is 10V, brush plating 30-50
Second, it is in black gray expandable to make its surface, to understand the impurity of surface of the electric brush；
S34, re-activation will be poured into No. 3 activating solutions in electroplating bath, and power supply is negative polarity, and adjustment voltage is 16V, brush plating 1-
4min, it is in silver gray to make its surface.To which the carbon distribution in primary activation is cleared up so that surface of the electric brush is pure body；
S35, the S21 bottoming plating solutions prepared are poured into electroplating bath, power supply is positive polarity, voltage 18V, uses copper alloy as filling out
Fill material, plating 3-5 seconds；
Then adjustment voltage is 12V, is electroplated, until coating reaches the thickness of 0.002 ㎜；
S36, S35 treated brushes are taken out, by surface equating；
S37, the S23 composite plating solutions prepared are poured into another electroplating bath, power supply is positive polarity, and voltage 12V uses copper alloy
It as packing material, is electroplated, until total coating reaches the thickness of 0.1 ㎜；
S4, by the polishing of S37 treated brushes, equating, be then polished.
Place is not described in detail by the present invention, is the known technology of those skilled in the art.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (3)
1. a kind of electroplating technology of brush plating nano composite material, which is characterized in that include the following steps：
S1, composite material is prepared
S11, by Nano titanium dioxide powder 4-6 times wash with distilled water, then dry, place into 1:It is impregnated in 1 nitric acid
It 3-5 hours, then filters, 4-6 times wash with distilled water, is dried for standby；
S12, carbon nanotube is chosen, carbon nanotube is put into, 500-600 DEG C is flowed back and be heated in the hydrochloric acid of 6Mol/L, kept
40-50min；
S13, by 98% concentrated sulfuric acid and 98% concentrated nitric acid according to volume ratio be 3:1 ratio mixing, is subsequently poured into the solution of S11
In, it is stirred 4-10 hours using ultrasonic wave；
S14, treated in S13 carbon nanotube is taken out, is then cleaned with neutralizer, the neutralizer by following components and
Its content is constituted, and 8% sodium hydroxide, 10% sodium chloride, surplus are plasma water, are put into after the completion of cleaning in drying oven and use 120
DEG C temperature is dried 8-12 hours；
S15, S14 treated carbon nanotubes are taken out, is put into container, and the part of agglomerate is broken up, is crushed；
It is added in the absolute ethyl alcohol to above-mentioned vessel of carbon nanotube by volume 2 times or more, using ultrasonic activation 1-2 hours so that
Carbon nanotube is dispersed in absolute ethyl alcohol；
S16, S11 is weighed treated titania powder, be added S15 treated in vessel, titania powder is received with carbon
The weight ratio of mitron is 1:1.5-4, then uses ultrasonic activation 1-2 hours so that titania powder is evenly dispersed；
S17, S16 treated raw materials are filtered, is then adopted 5-6 time wash with distilled water, drying acquisition composite granule；
S2, plating solution is prepared
S21, bottoming electroplate liquid is prepared, bottoming electroplate liquid is made of following components and its content：Nickel sulfate 390-410g/L, chlorination
Nickel 12-20 g/L, hydrochloric acid 20-25 g/L, phosphoric acid 70-75 g/L, carboxylic acid 40-50 g/L, pH value 0.5-1；
S22, surface layer plating solution is prepared, surface layer plating solution is made of following components and its content：Nickel sulfate 260-300 g/L, carboxylic acid ammonium
Salt 60-65 g/L, ammonium carbonate 0.2-0.4 g/L, pH value 7-8；
S23, composite plating bath is prepared, surface layer plating solution, the cationic surfactant of composite granule prepared by S17 and S22 preparations
It is 1 according to weight part ratio：10-15：The ratio mixing of 0.1-0.2 stirs evenly；
S3, plating composite material
S31, the brush that is electroplated will be needed to be polished with sander, its is made to expose fresh basal plane, at this time surface roughness 0.5 with
Under；
S32, by S31, treated that brush cleans with acetone deoils, and is then placed in clear water and cleans 3-6 times, then connects plated pen
Anode, brush connect cathode, and adjustment voltage is 12V, keeps 1-3min, is cleaned to the greasy dirt of surface of the electric brush to realize；
S35, the S21 bottoming plating solutions prepared are poured into electroplating bath, power supply is positive polarity, voltage 18V, uses copper alloy as filling out
Fill material, plating 3-5 seconds；
Then adjustment voltage is 12V, is electroplated, until coating reaches the thickness of 0.002-0.004 ㎜；
S36, S35 treated brushes are taken out, by surface equating；
S37, the S23 composite plating solutions prepared are poured into another electroplating bath, power supply is positive polarity, and voltage 12V uses copper alloy
It as packing material, is electroplated, until total coating reaches the thickness of 0.1-0.12 ㎜；
S4, by the polishing of S37 treated brushes, equating, be then polished.
2. the electroplating technology of brush plating nano composite material as described in claim 1, which is characterized in that in S11, described two
Titanium oxide purity is 96-98%, and selects nanometer anatase titania powder.
3. the electroplating technology of brush plating nano composite material as described in claim 1, which is characterized in that between S32-S35 also
Include the following steps：
S33, primary activation, No. 2 activating solutions are poured into electroplating bath, and power supply is negative polarity, and adjustment voltage is 10V, brush plating 30-50
Second, it is in black gray expandable to make its surface, to understand the impurity of surface of the electric brush；
S34, re-activation will be poured into No. 3 activating solutions in electroplating bath, and power supply is negative polarity, and adjustment voltage is 16V, brush plating 1-
4min, it is in silver gray to make its surface.
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| CN201810431338.0A CN108588767A (en) | 2018-05-08 | 2018-05-08 | A kind of electroplating technology of brush plating nano composite material |
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| CN201810431338.0A CN108588767A (en) | 2018-05-08 | 2018-05-08 | A kind of electroplating technology of brush plating nano composite material |
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| US20210135386A1 (en) * | 2019-11-01 | 2021-05-06 | Yazaki Corporation | Connector and method for producing the same |
| CN112899741A (en) * | 2021-01-21 | 2021-06-04 | 长春理工大学 | Method for processing silicon dioxide-nickel composite hydrophobic corrosion-resistant coating on metal surface |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210135386A1 (en) * | 2019-11-01 | 2021-05-06 | Yazaki Corporation | Connector and method for producing the same |
| CN112899741A (en) * | 2021-01-21 | 2021-06-04 | 长春理工大学 | Method for processing silicon dioxide-nickel composite hydrophobic corrosion-resistant coating on metal surface |
| CN112899741B (en) * | 2021-01-21 | 2022-03-15 | 长春理工大学 | Method for processing silicon dioxide-nickel composite hydrophobic corrosion-resistant coating on metal surface |
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