Ultrasonic wave and double complexing agent assisted Ce-Ni-Mo-P/Go chemical composite sedimentation layer and preparation method thereof

An ultrasonic wave and deposition layer technology, which is applied in the field of Ce-Ni-Mo-P/Go chemical composite deposition layer and its preparation, can solve the problems of corrosion resistance, friction resistance and low hardness, and increase the brightness and corrosion resistance of the coating. Good performance and excellent corrosion resistance

Inactive Publication Date: 2018-02-27
SHANGHAI INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention adopts ultrasonic wave and double complexing agent auxiliary method to prepare, and the obtained Ce-Ni-Mo-P / Go chemical composite deposition layer solves the problems of low carbon steel surface corrosion resistance, friction resistance and hardness in the prior art technical issues

Method used

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  • Ultrasonic wave and double complexing agent assisted Ce-Ni-Mo-P/Go chemical composite sedimentation layer and preparation method thereof
  • Ultrasonic wave and double complexing agent assisted Ce-Ni-Mo-P/Go chemical composite sedimentation layer and preparation method thereof
  • Ultrasonic wave and double complexing agent assisted Ce-Ni-Mo-P/Go chemical composite sedimentation layer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A kind of Ce-Ni-Mo-P / Go chemical composite deposition solution, calculated by every liter of solution, its composition and content are as follows:

[0026]

[0027] Add nickel sulfate hexahydrate, sodium molybdate, sodium hypophosphite, trisodium citrate, lactic acid, cerium, lead acetate, graphene oxide, and sodium lauryl sulfate into deionized water to dissolve, and then add sodium hydroxide to adjust When the pH value reaches 9.5, the Ce-Ni-Mo-P / Go chemical composite deposition solution is obtained.

Embodiment 2

[0029] The chemical composite deposition liquid of embodiment 1 gained is applied to low carbon steel surface to form Ce-Ni-Mo-P / Go chemical composite deposition layer, specifically comprises the steps:

[0030] (1) Pretreatment of the surface of the low-carbon steel workpiece, the surface of the low-carbon steel workpiece is polished and decontaminated by No. 3, 5, and 7 sandpaper in sequence, and then degreased with acetone for 1 minute under the assistance of ultrasonic cleaning, and rinsed with deionized water 10 seconds; then pickling with 10% hydrochloric acid by mass percentage concentration for 15 seconds, and rinsing with deionized water for 10 seconds.

[0031] (2) Put the low-carbon steel workpiece pretreated in step 1 into the prepared Ce-Ni-Mo-P / Go chemical composite deposition solution, control the solution temperature at 85°C, the ultrasonic intensity at 150W, and the ultrasonic frequency Take it out after 1 hour at 60KHZ, wash it with deionized water, and blow ...

Embodiment 3

[0033] A kind of Ce-Ni-Mo-P / Go chemical composite deposition solution, calculated by every liter of solution, its composition and content are as follows:

[0034]

[0035] Add nickel sulfate hexahydrate, sodium molybdate, sodium hypophosphite, trisodium citrate, lactic acid, cerium, lead acetate, graphene oxide, and sodium lauryl sulfate into deionized water to dissolve, and then add sodium hydroxide to adjust When the pH value reaches 9.5, the Ce-Ni-Mo-P / Go chemical composite deposition solution is obtained.

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Abstract

The invention discloses an ultrasonic wave and double complexing agent assisted Ce-Ni-Mo-P/Go chemical composite sedimentation layer and a preparation method of the ultrasonic wave and double complexing agent assisted Ce-Ni-Mo-P/Go chemical composite sedimentation layer. Low-carbon steel is subjected to ultrasonic assistance in Ce-Ni-Mo-P/Go chemical composite sedimentation liquid, and a Ce-Ni-Mo-P/Go chemical composite sedimentation layer is obtained on the surface of the low-carbon steel. Each liter of composite sedimentation liquid contains nickel sulfate hexahydrate, sodium molybdate, sodium hypophosphite, trisodium citrate, lactic acid, cerium acetate lead, oxidized graphene and lauryl sodium sulfate. The trisodium citrate and lactic acid double complexing agent system is adopted in the formula of fluid preparation, sedimentation of a plating layer can be accelerated, and performance can be improved; and self catalysis and reducibility of rare earth cerium are beneficial to sedimentation reaction of plating solution. According to the composite sedimentation layer prepared through the method, the corrosion resistance, surface hardness, wear resistance and the like of low-carbonsteel can be effectively improved, and the problems of surface cracking, large voidage and the like can be effectively solved.

Description

technical field [0001] The invention belongs to the technical field of inorganic materials, in particular to a Ce-Ni-Mo-P / Go chemical composite deposition layer and a preparation method thereof. Background technique [0002] Electroless plating, also known as self-catalytic plating, is a plating method in which metal ions in the plating solution are reduced to metal and deposited on the surface of the part with the help of a suitable reducing agent without an external current. Compared with other surface treatment technologies, electroless plating does not require an external power supply, and is easy to operate, simple in process, uniform in coating, low in porosity and good in appearance, and can be deposited on various non-metallic substrates such as plastic, ceramics, glass, etc., and has Excellent cladding, high adhesion, excellent corrosion resistance and wear resistance, and excellent functional properties. [0003] It has been about 50 years since the development of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C18/48C23C18/16
CPCC23C18/48C23C18/1662C23C18/1666
Inventor 蒋继波陈浩天朱丽莹钱炜孙瑶馨张小杰靳伟诺杨育涵韩生
Owner SHANGHAI INST OF TECH
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