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作者:Les P. Pook , Filippo Berto , Alberto Campagnolo
来源:[J].Fracture and Structural Integrity, 2016, Vol.10 (37), pp.108 - 113Gruppo Italiano Frattura
摘要:The linear elastic analysis of homogeneous, isotropic cracked bodies is a Twentieth Century development. It was recognised that the crack tip stress field is a singularity, but it was not until the introduction of the essentially two dimensional stress intensity factor conce...
作者:P. Lorenzino , Jean-Y. Buffiere , C. Verdu
来源:[J].Fracture and Structural Integrity, 2017, Vol.11 (41), pp.191 - 196Gruppo Italiano Frattura
摘要:The influence of forging conditions on the propagation of physically small fatigue cracks has been studied for two high strength steels. Two surface conditions were produced after the forging process. The subsurface microstructure of the materials has been characterized by E...
作者:P. Lopez-Crespo , J. Vazquez-Peralta ...
来源:[J].Fracture and Structural Integrity, 2017, Vol.11 (41), pp.203 - 210Gruppo Italiano Frattura
摘要:The current work aims at estimating the stress intensity factor deep inside the bulk from elastic strain data measured by synchrotron X-ray diffraction. Key features affecting the evaluation of the stress intensity factor are the number of terms in the analytical model descr...
作者:P. Gallo , S M J. Razavi ...
来源:[J].Fracture and Structural Integrity, 2017, Vol.11 (41), pp.456 - 463Gruppo Italiano Frattura
摘要:Geometrical discontinues such as notches play a significant rule in structural integrity of the components, especially when the component is subjected to very severe conditions, such as the high temperature fatigue or creep. In this paper, a generalized form of the existing notch...
作者:P. Ferro , M. Peron ...
来源:[J].Fracture and Structural Integrity, 2017, Vol.11 (42), pp.189 - 195Gruppo Italiano Frattura
摘要:Residual stresses, arising from welding processes or nonhomogeneous plastic deformations, broadly influence the high cycle fatigue behavior of mechanical components. The presence of V-notches leads to singular residual stresses ahead of the notch tip and the asymptotic stress fie...
作者:P. Raposo , J A F O. Correia ...
来源:[J].Fracture and Structural Integrity, 2017, Vol.11 (42), pp.105 - 118Gruppo Italiano Frattura
摘要:Europe has a number of ancient riveted metallic bridges, constructed during the second half of the 19th century up to the middle of the 20th century, which are still in operation. In this paper, a unified approach is presented to generate probabilistic S-N curves to be applied to...
作者:P. Skalka , L. Celko ...
来源:[J].Fracture and Structural Integrity, 2016, Vol.10 (35), pp.322 - 329Gruppo Italiano Frattura
摘要:Thermal barrier coatings (TBCs) are advanced material systems used to enhance performance and in-service life of components operated at high temperatures in gas turbines and other power-generation devices. Because of complexity, numerical methods became important tools both for d...
作者:S. Major , V. Kocour , P. Cyrus
来源:[J].Fracture and Structural Integrity, 2016, Vol.10 (35), pp.379 - 388Gruppo Italiano Frattura
摘要:This paper is dedicated to fatigue estimation of implants for spinal surgery. This article deals especially with special case of hollow pedicle screw. Implant systems utilizing specially designed spinal instrumentation are often used in these surgical procedures. The most common ...

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