Titanium alloy surface pore-forming method, titanium alloy-plastic composite and preparation method
A titanium alloy and composite technology, applied in the coating and other directions, can solve the problems of poor pore shape and size, unfavorable composite materials, complicated processes, etc., and achieve the effects of reliable physical bonding, firm bonding and simple process.
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[0067] The second aspect of the embodiment of the present application provides a method for preparing a titanium alloy-plastic composite, comprising the following steps:
[0068] S20. The molten plastic material is bonded to the surface of the hole-forming titanium alloy through an injection molding process, and solidified to obtain a titanium alloy-plastic composite; wherein, the hole-forming titanium alloy is made by the above-mentioned hole-forming method on the surface of the titanium alloy .
[0069] In the preparation method of the titanium alloy-plastic composite body provided by the second aspect of the embodiment of the present application, the molten plastic material is bonded to the surface of the titanium alloy after the pore-forming treatment of the above-mentioned embodiment through an injection molding process. The surface of the alloy has slender micropores with "small mouth and large bottom", and the wall of the micropores has a jagged shape feature. Through t...
Embodiment 1
[0086] A kind of titanium alloy-plastic composite body, its preparation comprises the steps:
[0087] ① Prepare about 1 liter of electrolyte solution containing 8% sodium chloride, 40% glycerol, 25% 1,4-butanediol and 27% water, and keep the temperature at 40°C for anode electrolytic treatment. Then prepare the alkaline solution (containing OH) that comprises 150g / L sodium hydroxide and 20g / L sodium gluconate - about 3.75mol / L), and keep the temperature at 70°C for ash removal treatment.
[0088] ② After the titanium alloy test block was degreased and cleaned, it was clamped with a titanium hanger and placed in the electrolyte of Example 1 as the anode, and the graphite plate as the cathode. The electrolysis was performed twice at a constant voltage of 20V, each time for 20 minutes. After each electrolysis, wash with water first, then soak in the alkaline solution of Example 1 for deashing for 3 minutes, and then wash with water. After the electrolysis is completed, it is ba...
Embodiment 2
[0091] A kind of titanium alloy-plastic composite body, its preparation comprises the steps:
[0092] ① Prepare about 1 liter of electrolyte solution containing 5% ferric chloride, 85% N-methylpyrrolidone and 10% water, and keep the temperature at 60°C for anode electrolysis treatment. In this embodiment, ferric chloride is not only a corrosion agent but also a corrosion inhibitor. As a corrosion agent, chloride ions can be provided to corrode titanium alloys, and as a corrosion inhibitor, Fe can be provided. 3+ Promote the passivation of titanium alloy surface, where Fe 3+ The content is 1.7%. Then prepare the alkaline solution (containing OH) that comprises 150g / L sodium hydroxide and 20g / L sodium gluconate - about 3.75mol / L), and keep the temperature at 70°C for ash removal treatment.
[0093] ② After the titanium alloy test block is degreased and cleaned, it is clamped with a titanium hanger and placed in the above electrolyte as the anode, and the graphite plate as the...
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Abstract
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