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Method for enhancing surface of microwave communication device through low-temperature molten salt electroplating of Ni-WC composite layer

A technology of microwave communication and low-temperature molten salt, applied in electrolysis components, electrolysis process, etc., can solve the problems of wasting energy and polluting electrolysis temperature, and achieve the effects of reducing energy consumption, simple and mild reaction conditions, and simple operation

Active Publication Date: 2020-04-21
谷波技术(常州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In view of the problems existing in the prior art, the purpose of the present invention is to provide a method for enhancing the surface of microwave communication devices by electroplating a Ni-WC composite layer with low-temperature molten salt, which solves the problem of easy pollution and high electrolysis temperature in the electrolysis process of the prior art, Waste a lot of energy and inconvenient operation, but also improve the hardness and corrosion resistance of the existing microwave device surface

Method used

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  • Method for enhancing surface of microwave communication device through low-temperature molten salt electroplating of Ni-WC composite layer
  • Method for enhancing surface of microwave communication device through low-temperature molten salt electroplating of Ni-WC composite layer
  • Method for enhancing surface of microwave communication device through low-temperature molten salt electroplating of Ni-WC composite layer

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Experimental program
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Embodiment 1

[0029] A method for enhancing the surface of a microwave communication device by electroplating a Ni-WC composite layer with low-temperature molten salt, comprising the following steps:

[0030] 1) Inorganic salt LiNO 3 、NaNO 3 、KNO 3 , Ca(NO 3 ) 2 、NaNO 2 、KNO 2 , LiCl, NaCl, KCl, CaCl 2 Dried and finely ground, made into mixed salt according to the percentage by weight of 15%: 8%: 10%: 5%: 10%: 30%: 2%: 5%: 5%: 10%, heated and melted at 100°C into a liquid state, then pour it into the electroplating tank and heat it to keep it in a liquid state. The melting point of the low-melting point mixed molten salt electroplating solution is 60°C. In order to have a high fluidity of the electrolyte, it is heated and melted at 100°C;

[0031] 2) Continue to add one of 0.5%-2% nickel chloride, 0.5%-2% nickel nitrate, 0.5%-2% nickel sulfate, and 1%-3% micronano tungsten carbide in the molten salt electroplating tank One or several kinds, and adding an appropriate amount of 0.5%-1...

Embodiment 2

[0045] A method for enhancing the surface of a microwave communication device by electroplating a Ni-WC composite layer with low-temperature molten salt, comprising the following steps:

[0046] 1) Inorganic salt LiNO 3 、NaNO 3 、KNO 3 , Ca(NO 3 ) 2 、NaNO 2 、KNO 2 , LiCl, NaCl, KCl, CaCl 2 Dried and finely ground, made into mixed salt according to the percentage by weight of 15%: 8%: 10%: 5%: 10%: 30%: 2%: 5%: 5%: 10%, heated and melted at 100°C into a liquid state, then pour it into the electroplating tank and heat it to keep it in a liquid state. The melting point of the low-melting point mixed molten salt electroplating solution is 60°C. In order to have a high fluidity of the electrolyte, it is heated and melted at 100°C;

[0047] 2) Continue to add one or more of 1.25% nickel chloride, 1.25% nickel nitrate, 1.25% nickel sulfate, 2% micro-nano tungsten carbide in the molten salt electroplating tank, and add an appropriate amount of 0.75% by weight % sodium hydrogen ...

Embodiment 3

[0053] A method for enhancing the surface of a microwave communication device by electroplating a Ni-WC composite layer with low-temperature molten salt, comprising the following steps:

[0054] 1) Inorganic salt LiNO 3 、NaNO 3 、KNO 3 , Ca(NO 3 ) 2 、NaNO 2 、KNO 2 , LiCl, NaCl, KCl, CaCl 2 Dried and finely ground, made into mixed salt according to the percentage by weight of 15%: 8%: 10%: 5%: 10%: 30%: 2%: 5%: 5%: 10%, heated and melted at 100°C into a liquid state, then pour it into the electroplating tank and heat it to keep it in a liquid state. The melting point of the low-melting point mixed molten salt electroplating solution is 60°C. In order to have a high fluidity of the electrolyte, it is heated and melted at 100°C;

[0055] 2) Continue to add one or more of 2% nickel chloride, 2% nickel nitrate, 2% nickel sulfate, 3% micro-nano tungsten carbide in the molten salt electroplating tank, and add an appropriate amount of 1% by weight. % sodium hydrogen phosphate a...

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Abstract

The invention belongs to the field of microwave communication devices, and discloses a method for enhancing the surface of a microwave communication device through low-temperature molten salt electroplating of a Ni-WC composite layer. The method comprises the following steps: 1) drying and grinding inorganic salts LiNO3, NaNO3, KNO3, Ca(NO3)2, NaNO2, KNO2, LiCl, NaCl, KCl and CaCl2 to obtain a mixed salt, heating and melting the mixed salt into a liquid at 100 DEG C, pouring the liquid into an electroplating tank, and heating to keep the liquid. According to the invention, the prepared composite electroplating solution has the melting point of 60 DEG C, and in order to achieve the high fluidity of an electrolytic solution, the actually selected electroplating temperature is 100 DEG C, andthe low-temperature electroplating at 100 DEG C can substantially reduce the energy consumption compared with the traditional molten salt electroplating at 150-500 DEG C, so that the actual operationis simple and energy-saving so as to achieve the purposes of electrolysis under the low-temperature mild condition, simple and mild reaction conditions, cleanness and no pollution, and the Ni-WC composite plating layer obtained through electroplating has the advantages of being resistant to abrasion, high in hardness, self-lubricating, resistant to acid and alkali corrosion, high in electric conduction and heat conduction coefficient and the like.

Description

technical field [0001] The invention relates to the technical field of microwave communication devices, in particular to a method for enhancing the surface of microwave communication devices by electroplating a Ni-WC composite layer with low-temperature molten salt. Background technique [0002] At present, microwave communication connecting devices and corresponding cable joints are made of metal. In order to ensure good electrical and physical properties, the surface of connectors and cable joints needs to have wear resistance, high hardness, self-lubricating, acid and alkali corrosion resistance, and high electrical conductivity. Features. In order to fully improve the performance of the above products, it is usually possible to deposit a layer of anti-wear and corrosion-resistant metal coatings on their surfaces by electroplating, such as: single metal nickel Ni, or metal single gold Au, but the cost of nickel Ni and gold Au is relatively high. High, while its hardness ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25B15/00C25D3/66C25D5/18
CPCC25B15/00C25D3/66C25D5/18
Inventor 王军涛程继方
Owner 谷波技术(常州)有限公司
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