Novel titanium alloy surface electroplating method

A titanium alloy, a new type of technology, applied in the field of photoelectric deposition, can solve problems such as resistance increase and deposition, and achieve the effects of improving electrical conductivity, simple process, and increasing electric field strength

Active Publication Date: 2019-05-03
FUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to solve the deficiencies of the prior art, the object of the present invention is to provide a novel titanium alloy surface electroplating method, aiming to improve the deposition problem caused by the increase in resistance

Method used

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  • Novel titanium alloy surface electroplating method
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  • Novel titanium alloy surface electroplating method

Examples

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Effect test

Embodiment 1

[0028] A novel titanium alloy surface electroplating method, comprising the following steps:

[0029] 1) Ultrasonic clean the titanium alloy with acetone for 10 minutes, rinse it with deionized water and dry it for later use;

[0030] 2) Put the sample into the furnace for sintering, the sintering temperature is 300°C, and the holding time is 1h;

[0031] 3) Configure 0.1mol / L AgNO 3 solution, stirred for 10 min to obtain an electrolyte;

[0032] 4) Use titanium alloy as the cathode and platinum sheet as the anode, keep a constant distance, and irradiate with a light source, the wavelength of the light source is 430nm, and the optical power density is 20mW / cm 2 , and use the electrolyte in step 3), electroplating with a water bath at a constant temperature of 25°C, a current of 50mA, and a time of 0.5h;

[0033] 5) The sample obtained in step 4) is ultrasonically cleaned and then dried to obtain an electroplated titanium alloy.

Embodiment 2

[0035] A novel titanium alloy surface electroplating method, comprising the following steps:

[0036] 1) Ultrasonic clean the titanium alloy with acetone for 10 minutes, rinse it with deionized water and dry it for later use;

[0037] 2) Put the sample into the furnace for sintering, the sintering temperature is 300℃, and the holding time is 2h;

[0038] 3) Configure 0.2mol / L CuCl 2 solution, stirred for 1h to obtain an electrolyte;

[0039] 4) Use titanium alloy as the cathode and platinum sheet as the anode, keep a constant distance, and irradiate with a light source. The wavelength of the light source is 400nm, and the optical power density is 10mW / cm 2 , and use the electrolyte in step 3) to deposit copper at a water bath with a constant temperature of 25°C, with a deposition current of 30mA and a time of 2h;

[0040] 5) The sample obtained in step 4) is ultrasonically cleaned and then dried to obtain an electroplated titanium alloy.

Embodiment 3

[0042] A novel titanium alloy surface electroplating method, comprising the following steps:

[0043] 1) Ultrasonic clean the titanium alloy with acetone for 10 minutes, rinse it with deionized water and dry it for later use;

[0044] 2) Put the sample into the furnace for sintering, the sintering temperature is 450℃, and the holding time is 3h;

[0045] 3) Prepare 0.1mol / L KI solution and stir for 10 minutes to obtain the electrolyte;

[0046] 4) Use titanium alloy as the anode and platinum sheet as the cathode, keep a constant distance, and irradiate with a light source. The wavelength of the light source is 380nm, and the optical power density is 30mW / cm 2 , and use the electrolyte in step 3) to deposit iodine in a water bath at a constant temperature of 40°C, with a deposition current of 100mA and a time of 30min;

[0047] 5) The sample obtained in step 4) is ultrasonically cleaned and then dried to obtain an electroplated titanium alloy.

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Abstract

The invention discloses a novel titanium alloy surface electroplating method. The novel titanium alloy surface electroplating method comprises the steps that first of all, a sample is deoiled, then iscleaned, and is subjected to heat treatment; electroplating is assisted through a photoelectric technique; and the surface of a titanium alloy is illuminated, so that ions are successfully depositedon the surface of the titanium alloy. The novel titanium alloy surface electroplating method is simple in technological step and easy to operate, an obtained coating is uniform, and the problems of increase of resistance and difficulty of electroplating due to existence of a passivating film in the process of carrying out ion deposition on the surface of the titanium alloy are solved.

Description

technical field [0001] The invention belongs to the field of photoelectric deposition, and in particular relates to a novel titanium alloy surface electroplating method. Background technique [0002] Due to its excellent properties, such as light weight and high specific strength, titanium alloys have been widely used, but their poor electrical and thermal conductivity, low elastic modulus, and non-wear resistance limit their development. A layer of TiO is easily formed on the surface of titanium alloy in air 2 Passivation film, the existence of passivation film will significantly reduce the conductivity of titanium alloy, thereby reducing the effective electric field strength, resulting in insufficient ion driving force, which will affect the effect of electroplating. Reducing the resistance of the oxide layer and improving the conductivity has become an urgent problem to be solved. The current commonly used method is mainly to destroy the passivation layer. But because ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D5/38C25D3/46C25D3/38C25D3/02
Inventor 林枞吕佳林李德俊詹红兵余兴
Owner FUZHOU UNIV
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