Mixed-mode fracture in delamination test utilizing double cantilever specimens loaded with bending moments is investigated in the paper. FEM simulations are performed using cohesive zone model where different configurations of test loadings and two critical fracture energy values, ie. two fracture process zone lengths, are considered. Fracture ener...

By Josip Kačmarčik, Pejo Konjatić, Aleksandar Karač

Packaging of poly(ethylene) terephthalate (PET bottles) can not be avoided in this day and age, because it is used in food packaging and consumer goods. After utilization of the product's packaging becomes waste that pollutes the environment, occupies a large volume space in landfills and has a very long period degradation. Due to the that the PET ...

By Jovan Sredojević, Amina Ahmić

Abrasive waterjet cutting process is accepted effective technology for cutting various materials. Cutting process is based on kinetic energy of waterjet and abrasive particles which are used for material removal in the cutting zone. Erosional contact between abrasive particles and cutting components leads to damage in abrasive waterjet cutting syst...

By Safet Brdarević, Ajdin Jeleč

Each system requires regular maintenance including wind power. Modern maintenance of wind powers is based in the diagnosis of the state of the wind power, which is realized through measuring parameters of wind power system and data processing by the established methods. This paper presents the modern methods used to control the state of the wind fa...

By Amir Halep, Ranko Antunović

Austempered Ductile Iron is a class of ductile iron subjected to a specific heat treatment process (austenitization and austempering). The heat treatment gives to that type of Ductile Iron an excellent mechanical properties and an especially good strength-to-weight ratio. However, designers in most cases are unfamiliar with this material that can c...

By Hasan Avdušinović, Šehzudin Dervišević, Almaida Gigović-Gekić

Use of alternative fuels as energy sources in cement industry is practice which is proven as very effective and which is used in cement factories in Europe and world, more and more. One of the biggest advantages of this concept is reducing of consumption of non-renewable, fossil fuels. On the other hand, improvement of environmental protection is a...

By Almir Bajtarević, Amna Bajtarević

The process as activity or set of activities uses/use resources in order to transform input parameters into the output. Each organization has a number of more or less related processes. The quality of realization of related processes with the rational use of allnecessary resources is very important for the quality of the final business result. Ther...

By Senada Pobrić, Smail Klarić

The rating of quality of the main production process of production business systems (MPPMBS) is a very complex task. That is why in the world there is no generally accepted method for measuring the quality of MPPMBS. This paper deals with one of the possible ways to measure and assess the quality of MPPMBS with the aim of maximizing objectivity. Be...

By Safet Brdarević, Sabahudin Jašarević, Sejfo Papić

From the point of quality production management, the flexible group production of furniture has its specifications that are the subject of this paper work. The organization of production and the quality control has to start from the clear defining of customers’ requests. Within the condition  of this production concept, the customers&rsq...

By Sanin Hasanić, Safet Brdarević, Murćo Obučina

Gear failures have a major impact on the reliability of many machines andthe importance of monitoring and fault diagnostic of gears is very large. Bymonitoring the condition gets an insight into the state and can take themaintenance activities that prevent greater damage on machines and plants.This paper analyzes the possible causes of gear failure...

By Amir Halep