Titanium and its alloys are light weight, high strength, heat resistance, corrosion resistance and other characteristics. In the aviation industry, mainly used in the manufacture of aircraft engines and airframes. When used in aircraft manufacturing it instead of other metals, not only to extend the service life of the aircraft, but also reduce its weight, thus greatly improving its flight performance. Thus, titanium is one of the structural materials aerospace industry and aviation industry the most promising. 500 ℃ in the atmosphere, the titanium and its alloys can maintain good strength and stability. When aircraft, missiles, rockets flying at high speed, the engine and its surface temperature is relatively high, other alloys are not competent. Titanium and its alloys also have good low temperature performance, even at ultra-low temperature of -250 ℃, it still has a high impact strength, high pressure, anti-vibration.
