CN113897648A - Connector terminal electroplating process - Google Patents
Connector terminal electroplating process Download PDFInfo
- Publication number
- CN113897648A CN113897648A CN202111389632.8A CN202111389632A CN113897648A CN 113897648 A CN113897648 A CN 113897648A CN 202111389632 A CN202111389632 A CN 202111389632A CN 113897648 A CN113897648 A CN 113897648A
- Authority
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- China
- Prior art keywords
- plating layer
- connector terminal
- corrosion
- titanium alloy
- resistant metal
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- Pending
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000009713 electroplating Methods 0.000 title claims abstract description 21
- 230000008569 process Effects 0.000 title claims abstract description 17
- 238000007747 plating Methods 0.000 claims abstract description 76
- 238000005260 corrosion Methods 0.000 claims abstract description 50
- 230000007797 corrosion Effects 0.000 claims abstract description 50
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 46
- 229910052751 metal Inorganic materials 0.000 claims abstract description 41
- 239000002184 metal Substances 0.000 claims abstract description 40
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 22
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000758 substrate Substances 0.000 claims abstract description 21
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims abstract description 11
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000010931 gold Substances 0.000 claims abstract description 11
- 229910052737 gold Inorganic materials 0.000 claims abstract description 11
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 11
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 11
- 229910052703 rhodium Inorganic materials 0.000 claims abstract description 11
- 239000010948 rhodium Substances 0.000 claims abstract description 11
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052707 ruthenium Inorganic materials 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 30
- 239000011248 coating agent Substances 0.000 claims description 25
- 238000000576 coating method Methods 0.000 claims description 25
- 239000002585 base Substances 0.000 claims description 21
- 238000005406 washing Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000005237 degreasing agent Methods 0.000 claims description 3
- 239000013527 degreasing agent Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 238000006467 substitution reaction Methods 0.000 description 2
- -1 titanium hydride Chemical compound 0.000 description 2
- 229910000048 titanium hydride Inorganic materials 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
- C25D5/38—Pretreatment of metallic surfaces to be electroplated of refractory metals or nickel
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/12—Process control or regulation
-
- 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
- C25D5/48—After-treatment of electroplated surfaces
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Automation & Control Theory (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The embodiment of the invention discloses a connector terminal electroplating process, which is used for solving the technical problem that the existing connector terminal is poor in corrosion resistance. The embodiment of the invention comprises the following steps: and electroplating a corrosion-resistant metal plating layer on the surface of the titanium alloy substrate of the connector terminal, wherein the corrosion-resistant metal plating layer comprises one of a platinum plating layer, a gold plating layer, a palladium plating layer, a rhodium plating layer and a ruthenium plating layer. In this embodiment, the titanium alloy substrate of the connector terminal has the characteristics of high strength and corrosion resistance, and one of a platinum plating layer, a gold plating layer, a palladium plating layer, a rhodium plating layer and a ruthenium plating layer is electroplated on the surface of the titanium alloy substrate of the connector terminal, wherein the platinum plating layer, the gold plating layer, the palladium plating layer, the rhodium plating layer and the ruthenium plating layer have the characteristics of corrosion resistance and wear resistance.
Description
Technical Field
The invention relates to the field of connection terminal electroplating, in particular to a connector terminal electroplating process.
Background
With the popularization of electronic products, the applications of electronic products are more and more extensive, and the electronic products often need to be connected with a connector in the using process, because the connector terminal is generally made of metal materials, the surface of the connector terminal is exposed in the air for a long time and is contacted with oxygen and moisture in the air, so that the connector terminal is easily corroded, and in addition, when a user takes the connector, sweat on the hand is also likely to be contacted with the connector terminal, so that the connector terminal is also corroded.
Therefore, it is an important subject of research by those skilled in the art to find a plating process capable of improving the corrosion resistance of the connector terminal.
Disclosure of Invention
The embodiment of the invention discloses a connector terminal electroplating process, which is used for solving the technical problem that the existing connector terminal is poor in corrosion resistance.
The embodiment of the invention provides a connector terminal electroplating process, which comprises the following steps:
and electroplating a corrosion-resistant metal plating layer on the surface of the titanium alloy substrate of the connector terminal, wherein the corrosion-resistant metal plating layer comprises one of a platinum plating layer, a gold plating layer, a palladium plating layer, a rhodium plating layer and a ruthenium plating layer.
Optionally, before the step of electroplating the corrosion-resistant metal plating layer on the surface of the titanium alloy substrate of the connector terminal, the method further comprises:
the method comprises the following steps of pretreating a titanium alloy base material of a connector terminal, wherein the pretreatment specifically comprises the following steps:
cleaning the titanium alloy base material of the connector terminal for 10min to 30min by using an alkali degreasing agent under the condition of 60 degrees to 70 degrees;
acidizing the titanium alloy substrate of the connector terminal for 2min by using a mixed solution of nitric acid with the concentration of 10% and hydrofluoric acid with the concentration of 3%;
the surface of the titanium alloy base material of the connector terminal was subjected to a microetching treatment for 1min using a mixed solution of sulfuric acid having a concentration of 10% and hydrochloric acid having a concentration of 2%.
Optionally, after the step of electroplating the corrosion-resistant metal plating layer on the surface of the titanium alloy substrate of the connector terminal, the method further comprises:
carrying out post-treatment on the corrosion-resistant metal coating on the surface of the titanium alloy substrate, wherein the post-treatment specifically comprises the following steps:
washing the corrosion-resistant metal coating with pure water until the corrosion-resistant metal coating is washed clean;
sealing the surface of the corrosion-resistant metal coating by using a hole sealing agent for 1-10 min;
and washing the corrosion-resistant metal coating by pure water again, and washing the residual hole sealing agent.
Optionally, the post-treatment further washes the corrosion-resistant metal coating with pure water, and the step of washing the residual sealant further includes:
heating and drying the surface of the corrosion-resistant metal coating by using a blower at the temperature of 50-100 ℃, wherein the blowing time is 6-10 min;
and carrying out heat treatment on the corrosion-resistant metal coating for 1h at the temperature of 300-400 ℃ by using an oven.
Optionally, the titanium alloy base material of the connector terminal is one of a titanium alloy TC4 material, a titanium alloy TA10 material and a pure titanium material.
According to the technical scheme, the embodiment of the invention has the following advantages:
in this embodiment, the titanium alloy substrate of the connector terminal has the characteristics of high strength and corrosion resistance, and one of a platinum plating layer, a gold plating layer, a palladium plating layer, a rhodium plating layer and a ruthenium plating layer is electroplated on the surface of the titanium alloy substrate of the connector terminal, wherein the platinum plating layer, the gold plating layer, the palladium plating layer, the rhodium plating layer and the ruthenium plating layer have the characteristics of corrosion resistance and wear resistance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic flow chart of a connector terminal electroplating process according to an embodiment of the present invention.
Detailed Description
The embodiment of the invention discloses a connector terminal electroplating process, which is used for solving the technical problem that the existing connector terminal is poor in corrosion resistance.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a connector terminal electroplating process provided in an embodiment of the present invention includes the following steps:
step S1, electroplating a corrosion-resistant metal plating layer on the surface of the titanium alloy substrate of the connector terminal, wherein the corrosion-resistant metal plating layer includes one of a platinum plating layer, a gold plating layer, a palladium plating layer, a rhodium plating layer, and a ruthenium plating layer.
In addition, the surface of the titanium alloy substrate of the connector terminal in this embodiment may be plated with platinum plating, gold plating, palladium plating, rhodium plating, or ruthenium plating.
In this embodiment, the titanium alloy substrate of the connector terminal has the characteristics of high strength and corrosion resistance, and one of a platinum plating layer, a gold plating layer, a palladium plating layer, a rhodium plating layer and a ruthenium plating layer is electroplated on the surface of the titanium alloy substrate of the connector terminal, wherein the platinum plating layer, the gold plating layer, the palladium plating layer, the rhodium plating layer and the ruthenium plating layer have the characteristics of corrosion resistance and wear resistance.
In this embodiment, before the step of electroplating the corrosion-resistant metal plating layer on the surface of the titanium alloy base material of the connector terminal, the method further includes:
step S0, carrying out pretreatment on the titanium alloy base material of the connector terminal, wherein the pretreatment specifically comprises the following steps:
A. cleaning the titanium alloy base material of the connector terminal for 10min to 30min by using an alkali degreasing agent under the condition of 60 degrees to 70 degrees;
the titanium alloy base material of the connector terminal is cleaned by the alkali remover, so that grease of the titanium alloy base material can be removed;
B. acidizing the titanium alloy substrate of the connector terminal for 2min by using a mixed solution of nitric acid with the concentration of 10% and hydrofluoric acid with the concentration of 3%;
C. the surface of the titanium alloy base material of the connector terminal was subjected to a microetching treatment for 1min using a mixed solution of sulfuric acid having a concentration of 10% and hydrochloric acid having a concentration of 2%.
The pretreatment aims to generate a hydrogenated film (titanium hydride) on the surface of the titanium substrate, the film has metal property, electrons on the outer layer of the film are free electrons, and not only can form a metal bond with titanium elements of the titanium alloy substrate, but also can form a metal bond with metal elements in the corrosion-resistant coating, so that the titanium hydride has double functions of shielding to prevent the titanium substrate from being further oxidized, and can also be used as a transition layer of the corrosion-resistant coating to increase the binding force of the corrosion-resistant coating.
In this embodiment, after the step of electroplating the corrosion-resistant metal plating layer on the surface of the titanium alloy base material of the connector terminal, the method further includes:
step S2, performing post-treatment on the corrosion-resistant metal coating on the surface of the titanium alloy base material, wherein the post-treatment specifically comprises the following steps:
washing the corrosion-resistant metal coating with pure water until the corrosion-resistant metal coating is washed clean;
sealing the surface of the corrosion-resistant metal coating by using a hole sealing agent for 1-10 min;
and washing the corrosion-resistant metal coating by pure water again, and washing the residual hole sealing agent.
Heating and drying the surface of the corrosion-resistant metal coating by using a blower at the temperature of 50-100 ℃, wherein the blowing time is 6-10 min;
and carrying out heat treatment on the corrosion-resistant metal coating for 1h at the temperature of 300-400 ℃ by using an oven.
Further, the titanium alloy base material of the connector terminal in this embodiment is one of a titanium alloy TC4 material, a titanium alloy TA10 material, and a pure titanium material.
It should be noted that, in this embodiment, the specific type of the titanium alloy base material of the connector terminal is not limited, and the designer may select the titanium alloy base material according to the design requirement.
While the connector terminal electroplating process provided by the present invention has been described in detail, those skilled in the art will appreciate that the various modifications, additions, substitutions, and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.
Claims (5)
1. A connector terminal electroplating process is characterized by comprising the following steps:
and electroplating a corrosion-resistant metal plating layer on the surface of the titanium alloy substrate of the connector terminal, wherein the corrosion-resistant metal plating layer comprises one of a platinum plating layer, a gold plating layer, a palladium plating layer, a rhodium plating layer and a ruthenium plating layer.
2. The connector terminal plating process according to claim 1, further comprising, before the step of plating the corrosion-resistant metal plating layer on the surface of the titanium alloy base material of the connector terminal:
the method comprises the following steps of pretreating a titanium alloy base material of a connector terminal, wherein the pretreatment specifically comprises the following steps:
cleaning the titanium alloy base material of the connector terminal for 10min to 30min by using an alkali degreasing agent under the condition of 60 degrees to 70 degrees;
acidizing the titanium alloy substrate of the connector terminal for 2min by using a mixed solution of nitric acid with the concentration of 10% and hydrofluoric acid with the concentration of 3%;
the surface of the titanium alloy base material of the connector terminal was subjected to a microetching treatment for 1min using a mixed solution of sulfuric acid having a concentration of 10% and hydrochloric acid having a concentration of 2%.
3. The connector terminal plating process according to claim 1, further comprising, after the step of plating the corrosion-resistant metal plating layer on the surface of the titanium alloy base material of the connector terminal:
carrying out post-treatment on the corrosion-resistant metal coating on the surface of the titanium alloy substrate, wherein the post-treatment specifically comprises the following steps:
washing the corrosion-resistant metal coating with pure water until the corrosion-resistant metal coating is washed clean;
sealing the surface of the corrosion-resistant metal coating by using a hole sealing agent for 1-10 min;
and washing the corrosion-resistant metal coating by pure water again, and washing the residual hole sealing agent.
4. A connector terminal plating process as claimed in claim 3, wherein the post-treatment is carried out by washing the corrosion-resistant metal plating layer again with pure water, and the step of washing the residual hole sealing agent further comprises:
heating and drying the surface of the corrosion-resistant metal coating by using a blower at the temperature of 50-100 ℃, wherein the blowing time is 6-10 min;
and carrying out heat treatment on the corrosion-resistant metal coating for 1h at the temperature of 300-400 ℃ by using an oven.
5. The connector terminal electroplating process according to claim 1, wherein the titanium alloy base material of the connector terminal is one of a titanium alloy TC4 material, a titanium alloy TA10 material and a pure titanium material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111389632.8A CN113897648A (en) | 2021-11-22 | 2021-11-22 | Connector terminal electroplating process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111389632.8A CN113897648A (en) | 2021-11-22 | 2021-11-22 | Connector terminal electroplating process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113897648A true CN113897648A (en) | 2022-01-07 |
Family
ID=79194832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111389632.8A Pending CN113897648A (en) | 2021-11-22 | 2021-11-22 | Connector terminal electroplating process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113897648A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1478926A (en) * | 2002-08-30 | 2004-03-03 | 宝山钢铁股份有限公司 | Titanium base material platinum coating method |
| CN1632176A (en) * | 2004-11-19 | 2005-06-29 | 大连理工大学 | Process of gold plating for industrial pure titanium |
| CN101016639A (en) * | 2006-12-29 | 2007-08-15 | 浙江工业大学 | Process of titanium basal body electric plating platinum coating |
| CN101407930A (en) * | 2007-10-12 | 2009-04-15 | 中国船舶重工集团公司第七二五研究所 | Titanium alloy high bond strength gold plating process |
| CN102220582A (en) * | 2010-04-13 | 2011-10-19 | 北京有色金属研究总院 | Platinum-plated titanium palladium alloy plate and preparation method thereof |
| CN102286763A (en) * | 2011-08-25 | 2011-12-21 | 西北工业大学 | Process method for electroplating copper on TC4 titanium alloy surface |
| CN103633476A (en) * | 2012-10-04 | 2014-03-12 | 连展科技电子（昆山）有限公司 | Electric connector and its shell and connection interface of electronic device using the same |
| CN103806057A (en) * | 2012-11-12 | 2014-05-21 | 无锡三洲冷轧硅钢有限公司 | Washing and activation process for titanium and titanium alloy before electroplating |
| CN108866585A (en) * | 2017-05-08 | 2018-11-23 | 永保纳米科技(深圳)有限公司 | A kind of a kind of electroplating technology of refractory metal or stainless steel and refractory metal or stainless steel surface of the surface with electroplated layer |
| CN210576587U (en) * | 2019-09-27 | 2020-05-19 | 东莞市合航精密科技有限公司 | Electroplated layer for terminal surface, terminal and electronic interface |
| CN112048744A (en) * | 2020-09-12 | 2020-12-08 | 陕西泰安诺新材料科技有限公司 | Process for improving platinum plating uniformity on surface of titanium substrate |
| CN212659703U (en) * | 2020-08-28 | 2021-03-05 | Oppo广东移动通信有限公司 | Conductive terminal, corrosion-resistant layer thereof and electric connector |
| CN113471753A (en) * | 2021-07-02 | 2021-10-01 | 蚌埠富源电子科技有限责任公司 | Titanium alloy sealing connector and production process thereof |
| CN113463148A (en) * | 2021-06-29 | 2021-10-01 | 惠州市安泰普表面处理科技有限公司 | Method for electroplating gold on surface of titanium or titanium alloy substrate |
-
2021
- 2021-11-22 CN CN202111389632.8A patent/CN113897648A/en active Pending
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| CN1632176A (en) * | 2004-11-19 | 2005-06-29 | 大连理工大学 | Process of gold plating for industrial pure titanium |
| CN101016639A (en) * | 2006-12-29 | 2007-08-15 | 浙江工业大学 | Process of titanium basal body electric plating platinum coating |
| CN101407930A (en) * | 2007-10-12 | 2009-04-15 | 中国船舶重工集团公司第七二五研究所 | Titanium alloy high bond strength gold plating process |
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| CN102286763A (en) * | 2011-08-25 | 2011-12-21 | 西北工业大学 | Process method for electroplating copper on TC4 titanium alloy surface |
| CN103633476A (en) * | 2012-10-04 | 2014-03-12 | 连展科技电子（昆山）有限公司 | Electric connector and its shell and connection interface of electronic device using the same |
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Application publication date: 20220107 |