What is titanium alloy

Titanium is an important structural metal developed in the 1950s. Titanium alloy has been widely used in various fields because of its high strength, good corrosion resistance and high heat resistance. Many countries in the world have realized the importance of titanium alloy materials, and have carried on research and development, and got practical application.

The first practical titanium alloy is the Successful development of the United States in 1954 Ti-6Al-4V alloy, because of its heat resistance, strength, plasticity, toughness, formability, weldability, corrosion resistance and biocompatibility are good, and become the trump alloy in the titanium alloy industry, the alloy usage has accounted for 75% ~ 85% of all titanium alloy. Many other titanium alloys can be seen as variants of ti-6Al-4V alloys.

In the 1950s and 1960s, it mainly developed high temperature titanium alloy for aeroengine and structural titanium alloy for body. In the 1970s, a batch of corrosion resistant titanium alloy was developed. Since the 1980s, corrosion resistant titanium alloy and high strength titanium alloy have been further developed. The use temperature of heat-resistant titanium alloy has increased from 400℃ in the 1950s to 600 ~ 650℃ in the 1990s. The appearance of A2(Ti3Al) and R (TiAl) base alloys makes titanium push from the cold end of the engine (fan and compressor) to the hot end of the engine (turbine). Structural titanium alloys are developing towards the direction of high strength, high plastic, high strength, high toughness, high modulus and high damage tolerance.

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