Titanium alloy is selected to reduce the structural quality of the satellite, increase the payload, and improve the functional ratio.

①Titanium alloy corrugated shell and apogee engine mount

Due to the large-diameter double corrugated shell structure made of TB2 high-strength titanium alloy, the bearing cone section of the new communication satellite can reduce the mass by about 50% and increase the load resistance by 80%. It also significantly reduces the structural quality of the stent.

② Titanium alloy star and arrow connection strap

The working temperature of the bag belt is -60 ~ 100 ℃, and it also has to withstand the test of shock, vibration and noise during the launch process. It must choose TB2 titanium alloy material with high strength, good cold formability and stable high and low temperature resistance.

③Titanium alloy bolts and other fasteners

TB2, TB3 titanium alloy cold heading bolts have high specific strength, and can reduce weight by about half compared with the same specifications steel. Due to the low thermal conductivity and slow heat dissipation, the use of these two titanium alloy bolts on the rudder of satellite instruments can play a role in temperature control, especially when working at low temperatures, which can increase the system temperature by 30 ° C, which is beneficial to the normal operation of the instrument.

④ Titanium alloy recovery tank end frame

 The end frame of the returning satellite recovery cabin launched in China is made of precision rolled titanium alloy.

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