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Processing characteristics of titanium rod and titanium alloy

Processing characteristics of titanium rod and titanium alloy

Titanium rod and high chemical activity of titanium alloy.Titanium rods and titanium alloy under the high temperature oxygen, nitrogen and other oxygen gas intense reaction occurs.When the air is heated billet surface descaling and surface suction layer.Titanium rods and titanium alloy heat absorbing hydrogen, for certain types of titanium alloy material processing.

The thermal conductivity of titanium rod and titanium alloy is poor.The thermal conductivity of titanium rod and titanium alloy is usually only 1/15 of that of alloy and 1/5 of that of steel.The low thermal conductivity leads to a large temperature difference along the section of the ingot and billet in hot B inch, resulting in a large thermal reaction and crack in severe cases. Therefore, heating speed must be limited, and variable temperature, deformation speed, deformation rate and deformation equipment should be reasonably selected.

Polycrystalline transformation of titanium rod and titanium alloy.Titanium has a - delta phase transition.Heating to p temperature can significantly improve the plasticity and reduce the deformation resistance, however, deformation in the zone is not good for the use of the structure.

The cold deformation capacity of titanium alloys is low.It is difficult to deform most titanium alloys in cold processing.

Titanium is easy to bond deformation mold.This tendency tends to make the surface quality of the processed material deteriorate, which puts forward more demanding requirements for the deformation mold and process lubrication.

The flexion strength ratio is high and the elastic modulus is low.It is very difficult to straighten in cold condition.

The above processing characteristics should be fully considered in the formulation of the production process

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