Study on the Recycling of Domestic Brake Assembly's Rotors of Boeing 737 Airplane

Appearance of rotor is inspected after more than 600 times lift.The test of mechanical properties and observation and analysis of metallurgical structure for key spares of rotor are made under worst working condition.The comparison of domestic rotor on appearance,size,weight,hardness and metallurgical structure is made.The results show that after first life cycle,the weight,thickness and hardness of rotor are descreased slightly,but there is no change in the microstructure of the rotor.So according to the concerned guide on the repairing of brake assembly's rotor of Boeing 737 airplane,these rotors can be repaired.Thus,the domestic brake assembly's rotor of Boeing 737 airplane can be recycled after testing and repairing slightly,this will bring economic and societal benefits for us.