Characteristics and uses of titanium

Pure titanium has good corrosion resistance and high specific strength in many natural and artificial environments, and has a high fatigue limit. It is usually used in the annealed state. Its forging performance is similar to low carbon steel or stainless steel, and stainless steel can be processed. Some common methods are used for forging, forming and welding, which can produce forgings, plates, rods, wires, etc., which can be used in aviation, medical, chemical, etc., such as exhaust pipes, firewalls, and hot air in the aviation industry. Tubes and heated skins and other parts requiring ductility, die forging and corrosion resistance.

α-type titanium alloy cannot be strengthened by heat treatment and is usually used in the annealed state. It has good thermal stability, thermal strength and excellent weldability, and is mainly used as a welding wire material. It has good oxidation resistance, strength and high temperature stability at 316~593℃, and is used for forgings and plate parts, such as aircraft engine compressor blades, casings and brackets.

β-type titanium alloy has good plasticity in the quenched state and can be cold formed. The plates can be continuously produced. After quenching and aging, it has high strength and good weldability. It has high fracture toughness under high yield strength, but the thermal It has poor stability and is used for structural parts in the aviation industry, such as bolts, rivets, sheet metal parts, etc.

α+β titanium alloy has high mechanical properties and excellent high-temperature deformation ability. It can be subjected to various thermal processing. After quenching and aging, the strength can be greatly improved, but the thermal stability is poor.

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