2022
DOI: 10.1016/j.engfracmech.2022.108642
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Influence of welding residual stress on subsurface fatigue crack propagation of rail

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Cited by 17 publications
(7 citation statements)
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“…Even tiny cracks in buildings, tunnels, bridges, railways, and maritime structures could be hazards because the growth of cracks is generally rapid and may cause disasters, including human injury and financial loss. Therefore, it is very important to detect cracks at an early stage, and crack monitoring systems are essential to prevent accidents. Cracks also could occur from ice surfaces located in rivers and streams, and it could be resulted in the accidents.…”
Section: Applications Of Tengsmentioning
confidence: 99%
“…Even tiny cracks in buildings, tunnels, bridges, railways, and maritime structures could be hazards because the growth of cracks is generally rapid and may cause disasters, including human injury and financial loss. Therefore, it is very important to detect cracks at an early stage, and crack monitoring systems are essential to prevent accidents. Cracks also could occur from ice surfaces located in rivers and streams, and it could be resulted in the accidents.…”
Section: Applications Of Tengsmentioning
confidence: 99%
“…Both single‐welding and combined‐welding methods can be used in long‐distance pipeline welding (containing root welding, hot welding, fill welding, and cap welding). The WRSs generated by the uneven heat input during welding are self‐equilibrating forces and concentrate in the girth weld, which directly affect the fatigue strength, load‐carrying capacity, and service life of welded components 1–3 . For instance, the girth welds in offshore pipelines often act as the initiation sites of fatigue cracks under the combined action of cyclic loads and WRS 4 .…”
Section: Introductionmentioning
confidence: 99%
“…The WRSs generated by the uneven heat input during welding are selfequilibrating forces and concentrate in the girth weld, which directly affect the fatigue strength, load-carrying capacity, and service life of welded components. [1][2][3] For instance, the girth welds in offshore pipelines often act as the initiation sites of fatigue cracks under the combined action of cyclic loads and WRS. 4 Mokhtarishirazabad et al 5 investigated the WRS distributions and fracture behavior of the 316L austenitic stainless steel welded joints, and they found that the tensile residual stresses contribute to the crack initiation resistance of the material.…”
mentioning
confidence: 99%
“…The problem of internal stresses in metals and alloys has been at the center of attention of researchers for many years [1][2][3]. This is explained by the fact that internal stresses play an important role in the formation of the yield stress, strain hardening [4][5][6][7] and especially in the fracture of crystalline materials, namely, in the initiation and opening of microcracks [8][9][10][11]. Their role is great in the evolution of the defect structure in various types of heat treatment of metals, alloys, and steels [12].…”
Section: Introductionmentioning
confidence: 99%
“…The values of meso-and microscopic internal stresses are reconstructed from the material structure in several ways: 1) by the bending radius of dislocation in the slip plane [14], 2) by the distance between dislocations and the parameters of dislocation clusters, 3) by the distance between active slip planes and, finally, 4) by the parameters of extinction bend contours [11,24].…”
Section: Introductionmentioning
confidence: 99%