Funded by the National Natural Science Foundation of China(Nos.51375500,and 51375162);Scientific Research Project of Hunan Province Department of Education(No.17C0886);Open Funded Projects of Hunan Provincial Key Laboratory of Health Maintenance for Mechanical Equipment(No.201605)
The hardness, the tensile and the high-cycle fatigue(HCF) performances of 7075 aluminum alloy were investigated under temper T651, solution treated at 380 ℃ for 0.5 h and aged at different temperatures(150, 170, 1...
Supported by National Natural Science Foundation of China(Grant Nos.51575176,51375162);Scientific Research Foundation of Hunan Provincial Education Department of China(Grant No.15B085);Postgraduate Innovation Foundation of Hunan University of Science and Technology,China(Grant No.S140020)
For the high-speed gasoline engine turbocharger rotor, due to the heterogeneity of multiple parts material, manufacturing and assembly errors, running wear in impeller and uneven carbon of turbine, the random unbalanc...
Supported by National Natural Science Foundation of China(Grant Nos.51205121,51375162);Scientific Research Foundation of Hunan Provincial Education Department of China(Grant No.13A023);Postgraduate Innovation Foundation of Hunan University of Science and Technology,China(Grant No.S140020)
The inner and outer oil film dynamic characteristic coefficients of floating ring bearings(FRBs) change due to the manufacturing tolerance of the floating ring, journal and intermediate, which leads to high-speed tu...