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作者:Donka Angelova , R. Yordanova , T. Lazarova ...
来源:[J].Fracture and Structural Integrity, 2016, Vol.10 (37), pp.249 - 257Gruppo Italiano Frattura
摘要:Symmetric fatigue in two spring steels is investigated in three groups of specimens. One of the groups (Steel EN10270-1SH/ DIN 17223C C 0.82%, Mn 0.76%, Si 0.26%) has experienced rotating-bending fatigue in air, and the other two groups (Steel BS250A53/ DIN 55Si7 C 0.56%, Mn...
作者:Gabriele Cricri , M. Perrella
来源:[J].Fracture and Structural Integrity, 2016, Vol.10 (37), pp.333 - 341Gruppo Italiano Frattura
摘要:In this work, powder compaction process was investigated by using a numerical material model, which involves Mohr-Coulomb theory and an elliptical surface plasticity model. An effective algorithm was developed and implemented in the ANSYS finite element (FEM) code by using the su...
作者:M.S. Raviraj , C.M. Sharanaprabhu , G.C. Mohankumar
来源:[J].Fracture and Structural Integrity, 2016, Vol.10 (37), pp.360 - 368Gruppo Italiano Frattura
摘要:In this paper, the macro and micro-mechanical fracture behavior was studied for aluminum (Al6061) alloy matrix, reinforced with various proportions of TiC particles such as 3wt%, 5wt% and 7wt%. The Al6061-TiC metal matrix composites were produced by stir casting method to ensure ...
作者:Miodrag Arsic , Zoran Savic , Aleksandar Sedmak ...
来源:[J].Fracture and Structural Integrity, 2016, Vol.10 (36), pp.27 - 35Gruppo Italiano Frattura
摘要:This paper presents results of experimental examinations of stress concentration influence to fatigue life of butt welded joints with K-groove, produced from the most frequently used structural steel S355J2+N. One group of experiments comprised examinations carried out on the K-g...
作者:M. Margetin , R. Durka , V. Chmelko
来源:[J].Fracture and Structural Integrity, 2016, Vol.10 (37), pp.146 - 152Gruppo Italiano Frattura
摘要:Multiaxial high cycle fatigue is a topic that concerns nearly all industrial domains. In recent years, a great deal of recommendations how to address problems with multiaxial fatigue life time estimation have been made and a huge progress in the field has been achieved. Until now...
作者:K. Slamecka , 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:Luiz Carlos H. Ricardo , Carlos Alexandre J. Miranda
来源:[J].Fracture and Structural Integrity, 2016, Vol.10 (36), pp.201 - 214Gruppo Italiano Frattura
摘要:Crack propagation simulation began with the development of the finite element method; the analyses were conducted to obtain a basic understanding of the crack growth. Today structural and materials engineers develop structures and materials properties using this technique as crit...
作者:Ljubica Lazic Vulicevic , Aleksandar Rajic , Aleksandar Sedmak ...
来源:[J].Fracture and Structural Integrity, 2016, Vol.10 (36), pp.46 - 54Gruppo Italiano Frattura
摘要:The extended finite element (XFEM) method has been used to simulate fatigue crack growth in casing pipe, made of API J55 steel by high-frequency welding, in order estimate its structural integrity and life. Based on the critical value of stress intensity factor KIc, measured in 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 ...
作者:Emmanuel Fessler , Stephane Pierret , Eric Andrieu ...
来源:[J].Fracture and Structural Integrity, 2016, Vol.10 (35), pp.223 - 231Gruppo Italiano Frattura
摘要:Aeroengine manufacturers have to demonstrate that critical components such as turbine disks, made of DA Inconel 718, meet the certification requirements in term of fatigue crack growth. In order to be more representative of the in service loading conditions, crack growth und...

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