Hollow laser inside-beam powder feeding composite electrodeposition machining method and device

A technology of composite electrodeposition and processing methods, applied in the direction of electrolytic coatings, electrolytic processes, electrolytic components, etc., can solve the problems of reducing the thermal effect of the laser, the laser is not easy to irradiate the surface of the cathode substrate, etc., to achieve dense tissue, avoid nodules, and improve process efficiency. Effect

Active Publication Date: 2017-05-31
JIANGSU UNIV
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  • Application Information

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Problems solved by technology

The disadvantage is that on the one hand, when the composite deposition process is to be performed, due to the blocking, reflection, absorption, etc. of the laser by the particles, the laser is not easy to irradiate the surface of the ca...

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  • Hollow laser inside-beam powder feeding composite electrodeposition machining method and device
  • Hollow laser inside-beam powder feeding composite electrodeposition machining method and device

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Embodiment Construction

[0039]For doing further understanding to the present invention, now in conjunction with accompanying drawing, do as follows:

[0040] combined with figure 1 , the computer 1 is connected to the motion control cabinet 17, the positive pole of the pulse power supply 2 is connected to the hollow anode tube 16, and the negative pole is connected to the cathode substrate 14 to provide electric energy for electrodeposition; the water tank 15 is fixed on the X-Y-Z three-coordinate workbench 13, and the three-coordinate work The table 13 is connected with the motion control cabinet 17, and the X-Y-Z three-coordinate motion control can be performed through the computer 1. The inlet of the filter 11 is connected to the outlet of the air compressor 12, the outlet is connected to the flow meter 10, the particle storage chamber 9 is connected to the inlet of the hollow anode tube 16 through the regulating valve 8; Then the laser is modulated into a hollow laser beam through the positive p...

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Abstract

The invention discloses a hollow laser inside-beam powder feeding composite electrodeposition machining method and device, relates to electrochemical deposition machining of composite materials, and belongs to the field of non-traditional machining in a manufacturing technology. According to the device, a hollow anode tube is perpendicularly placed in hollow laser, particles are sprayed out from an anode, are scattered in a laser focal region and then drop in a solution, the laser illuminates the solution to generate high-temperature and high-pressure plasma, in an outward expansion process of the plasma, the particles are dispersed by a generated jet impact force, and the particles can uniformly reach the surface of a cathode and then are captured by the cathode, so that the particles easily enter a coating to form a nano-particle composite coating. By the impact effect of the laser, the agglomeration probability of the particles in the traditional composite electrodeposition process is reduced, the compound quantity of the particles is increased, and the quality of a deposition layer can be improved remarkably. Meanwhile, electrochemical reaction rate can be increased by heat effect of the laser, and therefore, the deposition speed is increased.

Description

technical field [0001] The invention relates to the field of special electrodeposition in manufacturing technology, in particular to a method and device for composite electrodeposition by hollow laser light internal powder feeding, which is suitable for processing high-performance composite coatings. Background technique [0002] Composite electrodeposition is based on the theory of electrocrystallization and dispersion strengthening, and one or several kinds of insoluble solid particles, inert particles and metal ions are co-deposited by electrochemical methods to form a composite coating. Compared with single-phase coatings, composite coatings have better wear resistance, corrosion resistance, self-lubricating properties, etc., and have received extensive attention in the development of material science today. [0003] In the preliminary preparation of composite deposition, the particles need to be uniformly dispersed in the deposition solution. Therefore, before tradition...

Claims

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Application Information

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IPC IPC(8): C25D15/00C25D5/18C25D17/00
CPCC25D5/18C25D15/00C25D17/00
Inventor 张朝阳焦健戴学仁杨敬博蒋雯曹增辉顾秦铭
Owner JIANGSU UNIV
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