Mechanical properties of every material play important role during material selection for any mechanic system. The main mechanics property which is crucial for material selection is Toughness. The paper present some of the aspects in problems of the toughness and fatigue for Aluminum Alloys. The paper also presents the set of the ASTM anf BritishSt...

By Bahrudin Hrnjica, Dženana Gačo, Esad Bajramović

The heating of residential and commercial premises in urban areas during winter periods is mostly performed by use of the heat energy which is distributed through central or city heating systems. Water, steam and gas are used as the basic working media in these heating systems. The thermal energy that is used in the city of Kakanj and its surroundi...

By Almir Kahriman, Nedim Hodžić, Elma Ekinović

During the second half of the last century in Europe, district heating systems (DHS) have been built intensively to supply cities and settlements with heat energy.Taking into account that energy prices at that time were low, there was an economic justification for the construction of expensive infrastructural distribution systems. After the first o...

By Maja Mrkić Bosančić, Petar Gvero, Jusuf Ibrulj, Azrudin Husika, Srđan Vasković

The process of composting of biowaste, while ensuring the necessary conditions and depending on the composition of composted material can be carried out in natural conditions. If we want to influence the speed and stability of the process of degradation of organic matter from biowaste, it is necessary that one or more influencing factors control th...

By Muvedet Šišić, Farzet Bikić

Today's modern vehicles for mass transport of passengers, of which the most common representatives are the buses must comply with the requirements of comfort, wide usage, and in particular the measures of safe driving. In order to meet large requirements along the "life of the vehicle," or even after possible accidents, it is necessary to achieve g...

By Mesud Ajanović, Zdravko Nunić, Fuad Klisura, Snežana Petković

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