Aluminum-silicon alloy surface ceramic treatment method and apparatus

The technology of aluminum-silicon alloy and processing equipment is applied in the field of micro-arc oxidation processing equipment on the surface of aluminum-silicon alloy, which can solve the problems of inability to achieve heat resistance, heat insulation, wear resistance, low degree of automation control, slow film forming speed, etc. To achieve the effect of ensuring personal safety of electricity users, reducing floor space and neat layout

Inactive Publication Date: 2013-11-20
QUFU JINHUANG PISTON
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Problems solved by technology

Existing equipment is applied to aluminum-silicon alloys, especially eutectic aluminum-silicon alloys. The degree of automation control is low, and there are deficiencies such as slow film formation speed and thin film layers, and functional applications such as heat resistance, heat insulation, and wear resistance cannot be achieved.

Method used

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  • Aluminum-silicon alloy surface ceramic treatment method and apparatus
  • Aluminum-silicon alloy surface ceramic treatment method and apparatus
  • Aluminum-silicon alloy surface ceramic treatment method and apparatus

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Embodiment Construction

[0018] The present invention will be described in detail below in conjunction with the accompanying drawings, as shown in the figure: a kind of aluminum-silicon alloy surface ceramic treatment equipment of the present invention includes a stainless steel cathode tank 5, a double-layer PVC liquid storage tank 6, and in this liquid storage tank 6 A copper plate anode 9 is arranged around the surface, wherein the stainless steel cathode tank 5 and the liquid storage tank 6 are combined together and can be separated. The stainless steel cathode tank 5 is easy to lift and clean with a simple row crane 10, which greatly reduces the floor space and saves energy. The electrolyte is added, which makes the layout of the production workshop more orderly and facilitates standardized production and management. Cathode tank wall 17 is made of stainless steel, also serves as cathode; Stainless steel cathode tank 5 one end is lower, is provided with overflow port 19, and its height is equal to...

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Abstract

The invention relates to a metal surface treatment method and apparatus. The apparatus for the treatment method comprises an electrolytic bath, a cooling system and an electric control system, wherein based on the capacitor charging / discharging principle, the electric control system forms a high-voltage power supply of 400-600V, and the voltage is applied to an aluminum-silicon alloy workpiece electrically communicated with an anode; the surface of the aluminum-silicon alloy workpiece is immersed in an electrolytic solution; the cooling system controls the temperature of the electrolytic solution at 10-50 DEG C; and under the action of the voltage, the surface of the aluminum-silicon alloy workpiece is subjected to electrochemical reaction to form a ceramic layer. The invention has the following advantages: less space is occupied, the electrolytic solution is saved, cleaning and washing operations are facilitated, a reliable voltage / current control system exists, the effect is improved, and the reliability of the surface electrooxidation quality of the workpiece is ensured.

Description

Technical field: [0001] The invention relates to a metal surface treatment method and equipment, specifically a new type of micro-arc oxidation treatment equipment for the surface of aluminum-silicon alloy, especially refers to the formation of α-Al on the surface of the workpiece by electrochemical methods when the aluminum-silicon alloy workpiece is placed in an electrolytic solution. 2 o 3 Devices with ceramic membranes. Background technique: [0002] Micro-arc oxidation is a new technology for in-situ growth of ceramic layers directly on the surface of light alloys such as aluminum and magnesium. Micro-arc oxidation is a method of placing the product in an aqueous electrolyte solution, using an electrochemical method to generate spark discharge spots in the surface micropores of the material, and forming a ceramic film under the combined action of thermochemistry, plasma chemistry and electrochemistry . When the product is put into the electrolyte aqueous solution, a...

Claims

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Application Information

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IPC IPC(8): C25D11/04
Inventor 颜君衡孔维和魏运财张鲁京
Owner QUFU JINHUANG PISTON
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