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Improving fatigue performance of Ti-6Al-4V alloy via ultrasonic surface rolling processChengsong Liu,Daoxin Liu,Xiaohua Zhang,Dan Liu,Amin Ma,Ni Ao,Xingchen XuCorrosion and Protection Research...) on the fatigue behavior of Ti-6Al-4V alloy has been studied in this paper. Microstructure, surface topography, surface roughness and residual stress measurements were performed to characterize......
The Intrinsic Relationship Between Microstructure Evolution and Thermal Fatigue Behavior of a Single-Crystal Cobalt-Base SuperalloyWei-Min Gui1,2,Hong-Yu Zhang1,Min Yang3,Tao Jin1,Xiao-Feng Sun1,Qi... of Solidification Processing,Northwestern Polytechnical University摘 要:The intrinsic relationship between the microstructure evolution and thermal fatigue......
Tensile and Isothermal Fatigue Behaviors of Mg-12Gd-3Y-0.5Zr Alloy at High TemperatureXiaoming Yang1)?, Huajie Yang1), Fan Yang1), Shuming Yin1), Wei Wang1), Shouxin Li1), and Qudong Wang2) 1..., Shanghai Jiao Tong University, Shanghai 200020, China摘 要:Tensile and isothermal fatigue tests were carried out on an as-rolled Mg-12Gd-3Y-0.5Zr alloy and its......
Fatigue Crack Growth of Al-Li Alloy 2091 in 3.5% NaCl Solution and at 130℃何世禹,王中光,李清建,张匀,冯晓曾摘 要:<正> A study has been made of the fatigue crackgrowth in an Al-Li alloy 2091 in 3.5%NaCl solu-tion and at an elevated temperature of 130℃.Theaging and environmental effects on the crackgrowth behaviour were examined.It is shown thatthe fatigue crack......
Fatigue Crack Propagation in Plain Carbon Dual-phase Steel雷廷权,林广湧摘 要:<正> The effect of volume fraction VM and carboncontent(%C)M of martensite was studied on the fa-tigue crack propagation behaviour of plain carbonmartensite plus ferrite M+F dual-phase steel.Theexperimental results show that the △Kthdecreasesand da/dn increases with increasing VM......
Finite element analysis of contact fatigue and bending fatigue of a theoretical assembling straight bevel gear pairDENG Song(邓松), HUA Lin(华林), HAN Xing-hui(韩星会), HUANG Song(黄松)(School of Automotive... of a theoretical assembling straight bevel gear pair to analyze the contact fatigue on the tooth surface and the bending fatigue in the tooth root. Based on the cumulative fatigue criterion and the stress-life......
Low-cycle fatigue life prediction of a polycrystalline nickel-base superalloy using crystal plasticity modelling approachGuang-Jian Yuan1,Xian-Cheng Zhang1,Bo Chen2,Shan-Tung Tu1,Cheng-Cheng Zhang31... Engine摘 要:A crystal plasticity model is developed to predict the cyclic plasticity during the low-cycle fatigue of GH4169 superalloy. Accumulated plastic slip......
Effect of Pre-loading on Short Fatigue Crack Growth at a Notch徐可为,何家文,周惠久摘 要:<正> Results indicate that under cyclic tension thegrowth rate of short fatigue crack from notch rootwill be lowered greatly by tensile pre-loading,butonly a little change by compressive pre-loading.The effect of tensile pre-loading will decrease withthe increase of stress......
High-cycle fatigue crack initiation and propagation in laser melting deposited TC18 titanium alloyYang Wang,Shu-quan Zhang,Xiang-jun Tian,Hua-ming WangLaboratory of Laser Materials Processing and Manufacturing, School of Materials Science and Engineering, Beihang University摘 要:This article examines fatigue crack nucleation and propagation in laser......
Influence of Stress Ratio and Loading Condition on Near-threshold Fatigue Crack Growth BehaviourB.Weiss,R.Stickler摘 要:<正> Near-threshold fatigue... closure effect as well as the effective fatigue threshold,It was found that thefatigue threshold for R=0 is higher than those for R=-1 and R=0.4,for which almost the samethreshold value......