Because of their properties, superalloys are primarily used for the production of structural parts whose operating conditions correspond to elevated temperatures and often extremely aggressive environments. Because of that, they require a combination of high strength, good fatigue and creep resistance, and good corrosion resistance. Nimonic 80A is ...

By Raza Sunulahpašić, Mustafa Hadžalić

Formability is the ability of a material to deform without fracturing, and the assessment of this property depends on various factors such as temperature, deformation speed, and stress state. There are two main approaches to determining formability: one is based on testing different materials under controlled stress conditions, and the other on dev...

By Ibrahim Plančić, Amina Ćurić, Amila Brkić-Omić

Traditionally, the design of manufacturing technology and tool construction for metal forming processes relies on literature guidelines and the extensive experience of engineers. Today, the technology of deformation processing is in rapid development based on the application of computers, which enable extensive research and studies. This is also tr...

By Ibrahim Plančić, Amina Agić

Phytoremediation with wild plant species could be environment friendly and economical solution. Selected wild plants like mint, oregano, chamomile, nettle and St. John’s wort, from rural area in Bosnia and Herzegovina, were collected, lyophilized and acid digested for heavy metals analysis. Nickel (Ni), copper (Cu), chromium (Cr), cadmium (Cd...

By Šaćira Mandal, Aida Šapčanin

Coal is the most important and widespread fuel sedimentary rock of organic origin. It is one ofthe main energy sources today and an industrial raw material for various products. Together withthe oil and other natural bitumens, it belongs to the group of fossil fuels or caustobiolite.Combustion represents one of the fundamental energy transformation...

By Azra Halilović, Šefkija Botonjić, Amila Krnjić, Lamija Sušić

The paper describes the research methodology of the heat generated by the biologicaldecomposition of a mixture of sludge from WTP (wastewater treatment plant) and biowaste and itsuse outside the system for a controlled biodegradation process. Earlier research in this area definedthe optimal mixtures of sludge and biowaste that ensure quality manage...

By Muvedet Šišić, Vehid Birdahić, Sanela Beganović, Mirnes Duraković, Farzet Bikić

The electrocoagulation with zeolite addition was used to treat compost leachate. The effects ofdifferent current densities and zeolite particle sizes on electrode dissolution, electrode surfacecondition, and removal efficiency were investigated. The surface of the electrodes was analysedby optical microscope, while the consumption of the aluminium ...

By Nediljka Vukojević-Medvidović, Ladislav Vrsalović, Sandra Svilović, Mirjana Cestarić

Hydrocracked base oil raw material (BORM) is the basis for the production of hydrocracked baseoils (HC-base oils) in the company „Modriča Oil Refinery“, which is engaged in the production ofHC-base oils, various motor and industrial lubricating oils, and lubricating greases. Theproduction of the mentioned HC-base oils consists of four p...

By Azra Halilović, Ilhan Bušatlić, Šefkija Botonjić, Nadira Bušatlić, Edin Zolotić

Rutin belongs to the group of polyphenolic compounds, which consists of hormones, vitamins, andantioxidants in food. It is found mostly in plants and is one of the most biologically activeflavonoids. It can act as an antioxidant, antibacterial, and anti-inflammatory and can prevent theformation of a tumor. The concentrationof rutin was determined i...

By Dejana Kasapović, Farzet Bikić

Considering the toxic properties of heavy metals and their effects on the environment, there is anincreasing interest in studying their interactions with different ligands and searching forpossibilities to remove those ions from the environment. Compared to other ligands, crown etherspossess the highest selectivity as ligands for metal cations, due...

By Edita Bijelić, Jasmin Suljagić, Mersiha Suljkanović