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| 1 | Multi-axial Fatigue of 2024-T4 Aluminum Alloy显示文摘Only the fatigue initiation is considered by the safe-life design approach,while fatigue crack propagation is paid more attention by the damage tolerance approach.The reasonable fatigue design method and durability assessment standard should give these two phases equivalent concerns.To develop a unified model of fatigue initiation and crack propagation,a great deal of baseline fatigue properties of a material should be obtained by fatigue experiments.However,there is lack of thorough and comprehensive experiment study on the fatigue properties of 2024-T4 aluminum alloy,which is widely used as load-bearing components in aircraft industry.In this paper,strain-controlled uniaxial,torsion,and combined axial-torsion fatigue experiments are conducted on 2024-T4 aluminum alloy in ambient air.Fully reversed uniaxial and pure torsion experiments employ solid cylindrical specimens.Fatigue experiments under the fully reversed shear loading with a static axial stress,proportional axial-torsion loading,and 90°out-of-phase axial-torsion nonproportional loading are conducted by using thin-walled tubular specimens.The experimental results show that the mean stress has a significant influence on the fatigue strength of the material.A tensile mean stress decreases the fatigue life dramatically,while a compressive mean stress increases the fatigue life.The strain-life fatigue results obtained from the fully reversed uniaxial fatigue experiments can be represented by one smooth curve of a three-parameter equation.However,two fitting curves are needed for characterizing the results of the fully reversed pure torsion fatigue tests because of the existence of an obvious kink.The baseline fatigue properties of 2024-T4 aluminum alloy obtained from the fatigue experiments have applications for the fatigue design and safe assessment of engineering components. | WANG Xiaogui GAO Zengliang QIU Baoxiang WANG Limei JIANG Yanyao | 2011 | Chinese Journal of Mechanical Engineering2011，24，2： | 7 |
| 2 | Electrochemi- cal test of 304 stainless steel and fractal characteristic of pits distribution显示文摘 | Wei Zhang Liang Chenghao Gao Zengliang | 2005 | J Pressure Equip Syst2005，3，： | 1 |
| 3 | Simple Nonlinear Predictive Control Strategy for Chemical Processes Using Sparse Kernel Learning with Polynomial Form显示文摘 | LIU Yi GAO Yanchen GAO Zengliang | | 0，，17： | 1 |
| 4 | Analytical solution of flow coefficients for a uniformly distributed porous 显示文摘 | Wang Junye Gao Zengliang Gan Guohui | 2001 | Channel Chemical Engineering Journal2001，84，1： | 1 |
| 5 | Effects of Axial Deformation Load on In-pLane Instability of U-shaped Bellows 显示文摘 | Lu Zhiming Jin Jie Gao Zengliang and Qin Yi | 2003 | Journal of Pressure Vessel Technology2003，125，4： | 1 |
| 6 | Effects of axial deformation load on in-plane instability of u-shaped bellows显示文摘 | LU Zhiming JIN Jig GAO Zengliang | 2003 | Journal of Pressure Vessel Technology2003，125，： | 1 |
| 7 | Comparison of Two FEA Models for Calculating Stresses in Shell-and-Tube Heat Exchanger显示文摘 | Jin Weiya Gao Zengliang Liang Lihua | 2004 | International Journal of Pressure Vessel and Piping2004，81，6： | 1 |
| 8 | Journal of Pressure VesselTechnology显示文摘 | Lu Zhiming Jin Jie Gao Zengliang and Qin Yi | 2003 | Novermber2003，，： | 1 |
| 9 | Comparison of two FEA models for calculating stresses in shell-and- tube heat exchanger 显示文摘 | din Weiya Gao Zengliang Liang Lihua | 2004 | International Journal of Pressure Vessels and Piping2004，81，6： | 1 |
| 10 | A global limit load solution for plates with embedded off - set elliptical cracks under combined tension and bending 显示文摘 | Li Rongsheng Gao Zengliang Lei Yuebao | 2011 | ASME Journal of Pressure Vessel Technology2011，134，1： | 1 |
| 11 | Comparison of the fracture and fatigue properties of 16MnR steel weld metal, the HAZ and the base metal 显示文摘 | Gao Zengliang Zhang Kangda | 1997 | Journal of Materials Processing Technology1997，63，6： | 1 |
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