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Kosovska Mitrovica, Serbia

Cirkovic B.,7 Kneza Milosa Street | Camagic I.,7 Kneza Milosa Street | Vasic N.,7 Kneza Milosa Street | Burzic Z.,Military Institute of Techniques | Folic B.,University of Belgrade
Tehnicki Vjesnik | Year: 2015

Machines aimed for different purposes must be designed taking into account specific shape, type of load and materials they are made of. Nowadays different design solutions can easily be examined by using the finite element method. In this paper an example is given of examining a machine with closed supporting structure, made of iron-concrete, dynamically loaded composite material. © 2015, Strojarski Facultet. All rights reserved. Source


Camagic I.,7 Kneza Milosa Street | Vasic N.,7 Kneza Milosa Street | Vasic Z.,7 Kneza Milosa Street | Burzic Z.,Military Institute of Techniques | Sedmak A.,16 Kraljice Marije Street
Tehnicki Vjesnik | Year: 2013

Problem of fracture toughness, KIc, determination on a crack tip localized in a welded joint is set in principle, since fracture mechanics presumes homogeneous material, not only in a crack tip surrounding but on a distance from it, in order to maintain valid the theoretical presumptions and the meaning of the fracture toughness as a property measured by some of the fracture mechanics methods. Welded joint represents the non-homogeneity by its microstructure and mechanical properties, often by geometrical form, and by stress field as well, which are affected by different factors as well as residual stress after welding. Safety of a welded joint submitted to a variable load is a dominant topic of all serious researches in this area nowadays, thus a part of research in this paper is aimed at the analysis of variable load influence on a welded joint behaviour in the presence of a crack type defect, or in other words to the determination of the fatigue crack growth parameters. Source

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