International Journal of Fatigue
Papers 7,078
1 page of 708 pages (7,078 results)
#1Zhi-cheng Ge (CAS: Chinese Academy of Sciences)
#2Guang Xie (CAS: Chinese Academy of Sciences)H-Index: 5
Last. Jian Zhang (CAS: Chinese Academy of Sciences)H-Index: 121
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Abstract null null The deformation mechanisms of a single crystal nickel-base superalloy with and without Ru-doped have been investigated under out-of-phase thermomechanical fatigue. The Ru-doped alloy exhibits a thermomechanical fatigue life more than twice as high compared to the Ru-free alloy and a difference in thermomechanical fatigue behavior is also displayed. Microstructure studies by scanning electron microscopy and transmission electron microscopy revealed that the deformation mechanis...
#1Guanhua Hu (HEBUT: Hebei University of Technology)
#2Shuling Gao (HEBUT: Hebei University of Technology)
Last. Yanping Zhu (Missouri University of Science and Technology)
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Abstract null null The fatigue performance test was performed on ECC cubic specimens. Three lateral pressure levels and several stress ratios were considered as test variables. S-N curves for all tested specimens were established and a unified S-N equation was proposed for the specimens with biaxial fatigue load. The ECC exhibited a better fatigue performance compared to plain concrete and fiber reinforced concrete. Also, a three-parameter Weibull distribution model was used to calculate the P-S...
#1Gongwei Zhao (Hunan University)H-Index: 1
#2Yating Liu (Hunan University)H-Index: 1
Last. N.H. Ye (Hunan University)H-Index: 2
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Abstract null null This paper presents an improved accumulation damage model which is closer to the actual conditions based on the Manson-Halford (M-H) model. The model considers both the effect of load interaction and the phenomenon of strength degradation of materials induced by loading history. In addition, a new logarithmic residual strength model is proposed and its accuracy is verified by two sets of strength degradation experimental data. Finally, five sets of experimental data under two-...
#1Yiming Zheng (TJU: Tianjin University)H-Index: 4
#2Xu Chen (TJU: Tianjin University)H-Index: 46
Last. Bingbing Li (TJU: Tianjin University)H-Index: 5
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Abstract null null This work studied the uniaxial, torsional and multiaxial low cycle fatigue behavior of 316LN stainless steel at 550 °C. Results show that the normalized kernel average misorientation value can be used to describe the loading path non-proportionality quantitatively. The formation of equiaxed and small-sized dislocation cells leads to the occurrence of continuously cyclic hardening under circular loading path. The crack initiation and early crack growth is dominated by intergran...
Abstract null null Fatigue limit of notched specimens is influenced by notch geometries and material microstructure. In this paper, seven groups of fatigue measurements on different steels with average grain size (G) from 8 to 64 μm were analyzed, and an explicit model was proposed to describe notch geometry effect on fatigue limit and its relation to G. Additionally, normal distribution theory was incorporated to consider the inevitable scatter of fatigue limit caused by material heterogeneity ...
#1Hamidreza Rohani Raftar (LUT: Lappeenranta University of Technology)H-Index: 1
#2Edris Dabiri (LUT: Lappeenranta University of Technology)
Last. Timo Björk (LUT: Lappeenranta University of Technology)H-Index: 13
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Abstract null null This paper comprises fatigue analyses for load-carrying fillet welded joints (LCFWJs) using literature data. The 4R method, which enabled a thorough re-evaluation of LCFWJs, was employed to highlight the contrasts between various assessment techniques, namely the nominal stress, effective notch stress, equivalent effective stress, and critical distance methods. The 4R method led to a conservative estimate for the weld root fatigue strength of the joints. The results from the c...
#1Erik Natkowski (Robert Bosch)H-Index: 1
#2Petra Sonnweber-Ribic (Robert Bosch)H-Index: 5
Last. Sebastian Münstermann (RWTH: RWTH Aachen University)H-Index: 20
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Abstract null null Generalization of microstructural short crack (MSC) growth simulation across different loading conditions and materials is often not considered in literature. These points are addressed by transferring a previously proposed model for crack initiation and transgranular MSC growth from ferritic steel to the martensitic steel SAE 4150. An accurate depiction of the microstructure is achieved by a novel approach to parameterize martensitic tessellations. Calculated fatigue lifetime...
#1V. Gray (QUT: Queensland University of Technology)
#2J.P. Jones (Swansea University)H-Index: 3
Last. Steve Williams (Rolls-Royce)H-Index: 12
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Abstract null null Thermo-Mechanical Fatigue (TMF) is one of the most complex mechanical phenomena that couples creep, fatigue and oxidation. So far, developing simple empirical relationships like those that exist in isothermal equivalents have proven elusive. This work presents a study on the TMF behaviour of the aerospace nickel based superalloy RR1000 using TMF fatigue crack growth rates, strain controlled TMF results, studies of the fracture morphologies and empirical lifing models. This pap...
#1Zixian Jiang (Siemens Energy Sector)
#2Zixi Han (SJTU: Shanghai Jiao Tong University)
Last. Mian Li (SJTU: Shanghai Jiao Tong University)H-Index: 31
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Abstract null null A probabilistic low-cycle fatigue (LCF) model, ProbLCF-VA, is proposed in this work to describe the scatter of the LCF crack initiation life for homogeneous materials subjected to variable or random load cycles. This model can be implemented either to estimate the probabilistic cumulative damage for a given load history consisting of variable cyclic loads, or to predict the probabilistic LCF crack initiation if distributional estimates of a random load spectrum are available. ...
#1Changkai WangH-Index: 2
#2Xuan ChenH-Index: 3
Last. Junliang DingH-Index: 3
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