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2024
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Preparation and processing technology of titanium aluminum alloy
Titanium aluminum alloy preparation processing technology mainly has the following:
1. Ingot metallurgical technology. The titanium-aluminum alloy prepared by this method has the problems of ingot composition segregation and uneven structure;
2. Rapid condensation technology. The titanium aluminum alloy powder prepared by this method has stable chemical composition and good process performance, but with the change of heat treatment temperature, the microstructure and hardness of the powder will change accordingly;
3. Composite materials technology. The Ti-Al alloy prepared by this method shows good strengthening properties, but the problems of transverse properties and environmental resistance still need to be solved;
4. Powder metallurgy technology. This method can prepare uniform and fine parts, and can realize the near net shape of the parts, which can effectively solve the problem of difficult processing and forming of Ti-Al intermetallic compound alloys. At present, domestic scholars use this method to prepare titanium aluminum alloy.
Application of titanium aluminum alloy
The field of automobile manufacturing can be said. Early began to use large quantities of titanium aluminum alloy materials, Japan's Mitsubishi Automobile Company in 2000 has used titanium aluminum alloy materials to produce car engine supercharger. A large number of practical applications, field tests and engine performance tests show that the use of titanium aluminum alloy parts to optimize the performance of automobile engines, and has the advantage of energy saving.
The application of titanium aluminum alloy in the aerospace industry also has broad prospects for development, and has become the material of advanced military aircraft engine high-pressure compressor and low-pressure turbine blades.
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