Process for anode oxidation coloration of titanium and titanium alloy surface

Abstract

This invention relates to titanium and titanium alloy surface anode oxidation bepainting method. This invention has following steps: dealing with titanium and titanium alloy in alkali solution for 10-15min under 60-75deg C and ultrasonic condition, then rinsing, and then putting it in acid solution for 0.5-1min, and then rinsing, and then under the condition that the temperature is 15-35deg C, the current density is 5-10Am-2, the voltage is 20-90V, putting it in anode oxidation bepainting solution to bepaint for 15-30min,then rinsing, and then dealing with it closely for 15-30min in non-ionic water, and then drying for 30-60min under 110-130deg C. The advantage in this invention is that the steps are few, the operation is simple, and it is easy to maintain.

Description

technical field

[0001] The invention relates to a titanium and titanium alloy, in particular to an anodic oxidation and coloring process for the surface of the titanium and the titanium alloy. Background technique

[0002] Titanium and titanium alloys have excellent thermal stability and high specific strength. They are active metals that can quickly form oxide films like magnesium alloys and aluminum alloys, and can make up for the inability of aluminum alloys and magnesium alloys to be used at temperatures higher than 425°C. lack of. In recent years, titanium and titanium alloys have been widely used in the field of national defense cutting-edge technology and civilian industry. For example, in aerospace, titanium and titanium alloys are used in the production of new generation aircraft due to their small specific gravity, light weight and high strength; in medicine, titanium and titanium alloys are widely used in teeth, bones and Intravascular stents and other aspects h...

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