Wednesday, September 21, 2022

How is the super corrosion resistance of titanium alloy made?

Titanium alloys are widely used because of a series of excellent properties. However, titanium alloys have high friction coefficient, are very sensitive to adhesive wear and fretting wear, have poor wear resistance, are easy to ignite under high temperature and high-speed friction, and have relatively poor resistance to high-temperature oxidation. The shortcomings seriously affect the safety and reliability of its structure and greatly limit its application. Therefore, improving the surface properties of titanium alloys such as wear resistance, high-temperature oxidation resistance, and corrosion resistance is an urgent problem to be solved. In addition to improving the composition and preparation process of alloys, surface modification of Seamless Titanium Tube Grade 2 is currently the most effective method.

In recent years, electron beam surface treatment technology has developed rapidly. When the electron beam with high energy density acts on the surface of the material, the surface of the material has physical, chemical, or mechanical properties that are difficult to achieve by conventional methods, and the wear resistance and corrosion resistance of the material surface is significantly improved. and high-temperature oxidation resistance. A domestic engineering technology company used pulsed high-current and low-energy electron beams for surface treatment of grade 5 titanium round rods and achieved good results.

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