Journal
POLYMER TESTING
Volume 79, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymertesting.2019.106037
Keywords
Aircraft tire; Temperature; Wear; Surface morphology; Finite element simulation
Funding
- National Natural Science Foundation of China [51790502]
- Natural Science Foundation of Shandong Province,China [ZR2018QEE004]
- Weihai technology development program,China [2017DXGJ11]
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Wear performance of tread rubber directly affect the service life of aircraft tires, especially for lateral sliding and high temperature conditions. Temperature of aircraft tire tread rises rapidly during takeoff and landing due to high-speed friction, which greatly affects the wear performance. Therefore, wear tests of aircraft tire tread materials under different temperatures and slip angles have been carried out; then, wear surface morphology and wear mechanism have been discussed; finally, Further research of wear mechanism has been detailed based on the finite element model of rubber wheel. Results indicate that slip angle has a greatly effect on the wear rate when temperature is lower than 45 degrees C and slip angle is greater than 10 degrees; wear mechanism is different, when temperature is greater than 65 degrees C; roughness of wear surface decreases with the increasement of temperature. Besides, wear rate and frictional power density have a good correlation, which lays the foundation for the next work of wear prediction.
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