Spring is a special part, which is widely used in various fields of national production and life, such as automobiles, motorcycles, bicycles and other transportation vehicles, computers, clocks, light switches, toys, clips, and other daily necessities. Spring mainly plays the role of shock absorption and energy storage.
In recent years, titanium alloy has become a new choice of spring material due to its high specific strength, low elastic modulus, and good corrosion resistance. compared with steel springs, titanium springs have the advantages of being lightweight, small in size, and having high resonance frequency. Their density and elastic modulus are only half of that of steel springs, while their strength is almost the same as that of steel springs. Due to these advantages, titanium springs can be designed with smaller diameters, fewer turns, and significantly lower weight than steel springs in practical applications.
Titanium springs mainly include compression springs, tension springs, torsion springs, and bending springs. Titanium springs are easy to make and can be made into various types and simple structures according to a load of common cylinder springs. The material prepared by the invention has strong corrosion resistance, a high elastic limit, and good impact toughness. The manufacture of the springs is generally divided into the cold plate method and the hot coil method. Titanium alloy spring is mainly made of titanium wire.
In the case of springs, high strength is the most important performance requirement of the material, so high strength β Titanium alloys Ti-3Al-8V-6Cr-4Mo-4Zr and Ti metal LCB (Ti-6.8Mo-4.5Fe-1.5Al) alloys are the best materials for manufacturing springs. Titanium springs have been used in Formula 1 racing cars, racing motorcycles, and the most advanced Ferrari cars. Titanium alloy springs have also been used for many years in the aerospace and chemical industries.
