A zirconium-based amorphous alloy composite material and its preparation method
A zirconium-based amorphous alloy and composite material technology, applied in the direction of electrolytic coating, coating, surface reaction electrolytic coating, etc., can solve the problems of high voltage, small surface roughness, etc., achieve good adhesion, wide application range, Effect of Optimum Amorphous Alloy Properties
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[0019] The invention provides a method for preparing a zirconium-based amorphous alloy composite material, which adopts a new plasma oxidation method to form a ceramic film layer with good performance on the surface of a zirconium-based amorphous alloy substrate; this electrochemical method is different from the existing Some micro-arc oxidation methods are embodied in the electrolyte system and power supply equipment: one, what the existing micro-arc oxidation uses is an alkaline electrolyte system, and what the plasma oxidation method provided by the present invention uses is a neutral electrolytic solution Liquid system, the ceramic film layer is formed in the neutral electrolyte system; 2. The electrolyte temperature of the existing micro-arc oxidation is low, and a water cooling system is required to control the temperature of the electrolyte at a certain level when preparing the micro-arc oxidation film. within the temperature range; and the electrolyte used in the plasma...
Embodiment 1
[0035] This Example 1 is used to illustrate the zirconium-based amorphous alloy composite material provided by the present invention and its preparation method. The preparation method of the zirconium-based amorphous alloy composite material includes the following steps:
[0036] Step 1. Preprocessing
[0037] The pretreated zirconium-based amorphous alloy substrate is a strip-shaped Zr of 80×15mm×2mm (length×width×height). 66 Cu 25 Al 4 Ni 5 For amorphous alloys, the first step is to carry out mechanical polishing. First, use a nylon wheel for rough polishing for 1 minute, then use a hemp wheel and purple wax for medium polishing for 1 minute, and finally use a white cloth wheel and small white wax for 30 seconds. The second step is to remove wax. The zinc alloy dewaxing water sold at 80°C dewaxes for 2 minutes, and then rinses it with deionized water; the third step is degreasing, using 30g / L degreasing liquid prepared by Mai Demei degreasing powder at 30KHz Ultrasonic d...
Embodiment 2
[0043] This Example 2 is used to illustrate the zirconium-based amorphous alloy composite material provided by the present invention and its preparation method. In the preparation method in Example 2, the pretreatment of step 1 and the posttreatment of step 3 are the same as in Example 1 , the difference is only in step 2, which specifically includes the following steps:
[0044] Step 1, pretreatment: processing method is identical with embodiment 1;
[0045] Step 2. Plasma oxidation: Sodium sulfate, potassium nitrate, and ammonium oxalate are used as the main components to mix and prepare an electrolyte solution. The ratio of each component is sodium sulfate 10g / L, potassium nitrate 10g / L, and ammonium oxalate 5g / L. Heat and electrolyze liquid to 85°C constant temperature; the pretreated zirconium-based amorphous alloy substrate is used as the anode, and stainless steel is placed in the electrolyte as the cathode, and the zirconium-based amorphous alloy substrate is oxidized ...
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