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

Lightweight concrete is increasingly utilized in sustainable construction due to its reduced weight and improved thermal performance. However, replacing conventional aggregates with alternative lightweight materials may result in a reduction in concrete strength. To address this issue, fiber reinforcement has been introduced to enhance the concrete...

By ADNAN MUJKANOVIC, MARINA JOVANOVIĆ, NADIRA BUŠATLIĆ, NEVZET MERDIĆ, NEJRA MULIĆ, AJLA POLOŽEN

  This study presents the results of applied phytoextraction as a soil phytoremediation method, based on the analysis of selected heavy metal content in soil and plant material. The selected locations where phytoextraction was applied as a phytoremediation method (Gradišće, Podbrežje, and Tetovo) are situated in the city of Zenica, in ...

By FARZET BIKIĆ, MUVEDET ŠIŠIĆ, SANELA BEGANOVIĆ, AMIRA PAŠALIĆ, ADNAN MUJKANOVIC, AIDA ŠAPČANIN, VEDRAN STUHLI, MIRNESA ČORBIĆ

In order to meet the increasingly stringent requirements and growing needs of customers across most industrial sectors, particularly in the modern automotive industry, environmental protection, and energy consumption reduction, new materials and methods for their joining that cannot be performed using conventional joining technologies are increasin...

By IBRAHIM PLANČIĆ, BENJAMIN ČUKLE

 ABSTRACT Safety management is the implementation of activities that guarantee the achievement of high safety standards in accordance with minimum regulatory requirements. The premises of the Zenica steelwork are classified, from the point of view of safety and health protection, as hazardous areas. Occupational safety and health tasks are or...

By AIDA IMAMOVIĆ, MIRSADA ORUČ, OMER KABLAR, DRAGANA AGIĆ, ALMA DOGLOD

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

Measuring the material's microhardness is generally easy and quick. However, since the operator reads the dimensions, i.e., the ends of the imprint formed in the material, the measurement result is greatly influenced by the operator's assessment. We present the research results in which three operators measured Vickers microhardness on the same imp...

By MELISA BAŽDAR, AMRA SALČINOVIĆ FETIĆ, BELMA HUSKOVIĆ, AJLA KARIĆ

The paper presents an examination of the possibility of applying  wild raspberry fruit  extract as a green inhibitor of general corrosion of brass in 3% NaCl. Wild raspberry fruits were collected from the Moševac near Maglaj city, Bosnia and Herzegovina. Wild raspberry fruit extract  was obtained by ultrasonic method. By UV/VI...

By DEJANA KASAPOVIĆ, FARZET BIKIĆ, SADBER KASAPOVIĆ, EMINA BOŠKAILO

The study investigates the Portevin–Le Chatelier (PLC) effect in the cold rolled Al-Mg alloy EN AW-5754. The tensile tests were performed on dog bone specimens at test speeds of 10, 20 and 50 mm/min. Digital image correlation (DIC) and infrared thermography were used to monitor strain rate and temperature changes. The results showed a strong ...

By IVAN JANDRLIĆ, LORENA MRKOBRADA

Fuels are substances that release heat energy during combustion due to the oxidation process that occurs. In order for a substance to serve as fuel, it is important that it has a high calorific value, which is most affected by the carbon content. Sulfur has a very small effect on this characteristic of the fuel but is considered as a negative compo...

By LAMIJA MUJKANOVIĆ, NADIRA BUŠATLIĆ, NEDŽAD HARAČIĆ, NEVZET MERDIĆ

In this research, the resulsts of bentonite characterization by XRF before and after adsorption are presented. The influence of temperature and pH on the capacity and efficiency of adsoption of lead (II) ions using bentonite is determined by adsorption experiments for initial lead (II) concentrations of 200, 300 and 400 mg/L, adsorbent dosage of 1 ...

By AMNA KARIĆ, AMRA ODOBAŠIĆ, EDISA PAPRAĆANIN, AZRA HALILOVIĆ

Aluminium and its alloys, with superior mechanical properties and recyclability, are essential for industries such as transportation, construction, and packaging. Its recyclability supports sustainability by reducing greenhouse gas (GHG) emissions, energy consumption, and reliance on primary aluminium, making secondary aluminium production increasi...

By İLAYDA OZBAG TOGACAR, UMAY CINARLI YAVAS, MERAL BAYGUL, DURDANE DEGERLI, SEDAT ARSLAN, ARIF KARACA, AHMET TURAN

Aluminum dross contains high amount of metallic Al (up to %60 wt. Al) and regarded as a waste in aluminum casting operations. High metallic value in Al dross can be utilized via recycling procedure. In this study, Al dross was used in aluminothermic ferrochromium production with chromite ore and mill scale. Enthalpy, Gibbs Free Energy and Entropy o...

By SELÇUK YEŞILTEPE

Cilj ovog istraživanja bio je ispitati utjecaj višenamjenskog pirofilitnog gnojiva (MPF) PiroGipsa na rast češnjaka ( Allium sativum ). Postavljen je terenski pokus u Banji, Aranđelovac, Srbija s dvije vrste gnojidbe (kontrolna: NPK 8:24:16 25 g/m 2 , ovčji gnoj 2,5 kg/m 2 , MPF 15 g/m 2 , navodnjava se vodom; i eksperimentalna: NPK 8...

By IGOR MARKOVIĆ, ENITA KURTANOVIĆ, MIRJANA STOJANOVIĆ, MILAN ADAMOVIĆ

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

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

The paper presents the results of a microstructural analysis of copper alloys produced in the Copper Mill Sevojno. The analyzed materials comprise high-purity copper (Cu-ETP and Cu-DHP) and a series of brass alloys with varying zinc content (CuZn10, CuZn15, CuZn28, CuZn30, CuZn33, CuZn37). Various thermomechanical treatments were conducted on the s...

By ALEKSANDAR NIKOLAJEVIĆ, LJUBIŠA BALANOVIĆ, DRAGAN MANASIJEVIĆ, IVANA MARKOVIĆ, UROŠ STAMENKOVIĆ, KRISTINA BOŽINOVIĆ

This project investigated the potential of using dolomite from Central Bosnia as a raw material for high-purity metallic magnesium production. Extensive sampling and mineralogical analyses revealed the suitability of these deposits, particularly for methods like the Pidgeon Process. Preliminary results underscored the strategic value of Bosnia&rsqu...

By AHMET TURAN, GURUR UNAN, MUSTAFA TEKIN, H. KUBRA AKBEN, TANER AKBAY, AMIR MUSLIĆ, ALMAIDA GIGOVIC-GEKIC, ADNAN MUJKANOVIC, HASAN AVDUŠINOVIĆ

There is a significant increase in industrial applications of ferritic high-Si ductile cast irons (3 - 6%Si), such as the automotive and maritime industries, wind power technology and mechanical engineering. Ferritic high-Si ductile cast irons replace un-stable mixed ferrite-pearlite matrix, with a unique combination of high elongation, strength an...

By IULIAN RIPOSAN, STELIAN STAN, DENISA ANCA, IULIANA STAN, EDUARD STEFAN

In this study, aluminum-based composites reinforced with nano-sized boron nitride (BN) were produced by using the casting method. Particle sizes of BN were reduced down to nanoscale via milling for 96 h at room temperature. The casting process ensured a homogeneous distribution of BN within the alloy matrix by melting the aluminum alloy, introducin...

By MELTEM GÜROL, MUSTAFA TEKIN, CEYHUN KUT

This paper presents some aspects of the correlation between maintenance cost reduction and accidents—specifically, damages due to plastic deformation in steel constructions at production companies in Bosnia and Herzegovina. In the theoretical part, a tension testing diagram for typical structural steels (I, U, T, etc.) is used to explain the ...

By FAIK UZUNOVIĆ, SEAD SPUŽIĆ, OMER BEGANOVIĆ, OMER BEGANOVIĆ

The most abundant renewable biomass on the earth is lignocellulosic biomass supplying from the forestry, forestry residue, and agricultural wastes nearly annually 200 billion tones worldwide. Agricultural wastes encompass a lot of cellulose, lignin and hemicellulose in composite form. Cellulose, the most important part of a plant structure, is a re...

By AYŞENAZ ONAR, ZAHRA R. NAVAZI, NEBAHAT ARAL YILMAZ

Fine alumina trihydrate (ATH) is the primary filler of environmentally acceptable flame retardants, artificial agate, and other products, in addition to being the raw material for alumina-based ceramics and catalyst carriers. This study aims to investigate the fine aluminum trihydrate precipitation process from sodium aluminate Bayer leach liquor b...

By SILA MEVA ELITAŞ, BATUHAN DIKICI, ALI ERGÜZELOĞLU, BAYRAM GÜNEŞ, HATICE KUBRA AKBEN

Cefazolin sorption on oxycellulose was performed to obtain bioactive material which, as drug carriers, has a possibility of prolonged release and local application. Oxycellulose with different content COOH groups was obtained by selective oxidation. The bonding was performed in an antibiotic water solution concentration of c=3,4∙10-3 molL-1, while ...

By PERO S. SAILOVIĆ, BORISLAV N. MALINOVIĆ, DARKO R. BODROŽA

Ferrochrome slag is a by-product of ferrochrome alloy production, which is an important component of stainless steel.  The total production of ferrochrome slag, which increases significantly every year with the increase in stainless steel production, is more than 1.1-1.5 times higher than the production of ferrochrome metal. In order to conser...

By AKIN ODABAŞI, GÖKHAN BAŞMAN, TUĞÇE ERGÜL, CENGIZ YAŞIN, HÜLYA KAFTELEN-ODABAŞI

X-ray diffraction is a crucial method for characterizing crystalline materials, widely employed in the analysis of both products and raw materials in the cement industry, including clinker, cement, and limestone. Quantitative phase analysis via X-ray diffraction necessitates sophisticated computational tools to accurately interpret diffraction patt...

By MARINA JOVANOVIĆ, ADNAN MUJKANOVIC, NEVZET MERDIC, NEDŽAD HARAČIĆ, VINKO BARANAŠIĆ

This study evaluates three hybrid electrocoagulation (EC) processes with aluminium electrodes: EC-zeolite process (EC+Z), EC-zeolite-ultrasound-assisted process (EC+Z+US), and EC-zeolite-magnet-assisted process (EC+Z+MAG) for compost wastewater treatment with large content of organic matter. The focus was on evaluating the effects of these processe...

By NEDILJKA VUKOJEVIĆ MEDVIDOVIĆ, LADISLAV VRSALOVIĆ, SANDRA SVILOVIĆ, SENKA GUDIĆ, IVONA ČULE

This paper investigates the effects of oil quenching and tempering at various temperatures on the mechanical and structural properties of X155CrVMo12-1 tool steel. The steel specimens were austenitized at 1030 °C for half an hour, followed by quenching and tempering at different temperatures. Mechanical properties were assessed by measuring the...

By UROŠ STAMENKOVIĆ, IVANA MARKOVIĆ, SRBA MLADENOVIĆ, DRAGAN MANASIJEVIĆ, PETAR MILANOVIĆ, MILAN NEDELJKOVIĆ

The BAS EN ISO/IEC 17025 standard gives the laboratory the opportunity to accredit the statement of conformity. The statement of conformity is provided in accordance with the specification, standard or costumer requirement. Prior to issuing the statement of conformity, the accredited laboratory, in cooperation with the costumer, must document the d...

By BRANKA MUMINOVIC, OMER BEGANOVIC, SINHA KORLAT-MAHMIĆ, ALMA ČELEBIĆ-MALKIĆ

This paper examines all transport properties (such as e.g. mechanical resistance, electrical and thermal conductivity, photosensitivity, magnetization, etc.) which are caused by the electron motion in crystalline nanofilms, with two sublattices. We have performed theoretical research using the method of two-time and temperature-dependent Green's fu...

By SINIŠA VUČENOVIĆ, JOVAN ŠETRAJČIĆ, NIKOLA VOJNOVIĆ

In this paper, we studied the superlattice model, as a special class of materials in which the "nodes" of the crystal lattice are made up of interconnected thin films with a certain regular and periodic arrangement. We have theoretically determined the energy spectra that exciton quasiparticles can have in these structures. The number of film layer...

By JOVAN ŠETRAJČIĆ, SINIŠA VUČENOVIĆ, MATILDA VOJNOVIĆ

The depletion of fossil fuel reserves and the increasing environmental concerns regarding their production and combustion have led to an exponential rise in interest in biofuels [1], among which biodiesel has attracted attention due to its characteristics such as high biodegradability, non-toxicity, and low emissions of carbon monoxide, particulate...

By AZRA HALILOVIĆ, SABINA BEGIĆ, ZORAN ILIČKOVIĆ, AMNA KARIĆ

Sphalerite is a sulfide zinc mineral, which also contains supporting metals such as iron, copper and lead. In this work, we dealt with the extraction of iron from sphalerite in a new oxidation system. Manganese dioxide was used as the primary oxidant, and KI was used as a secondary oxidizing agent with the aim of creating an I2/I- oxidation cycle i...

By MIROSLAV SOKIĆ, DIMITRIJE ANĐIĆ, NIKOLA VUKOVIĆ, IVANA JELIĆ, MLADEN BUGARČIĆ, VASO MANOJLOVIĆ, ALEKSANDAR JOVANOVIĆ

Water pollution by organic matters are in increase. Photocatalytic degradation of various pollutants presented in environment has promising future. Different materials have been applied in previous scientific works, while TiO2 based materials posse’s great physico-chemical characteristics. Therefore, researchers are constantly developing vari...

By ALEKSANDAR JOVANOVIĆ, MIROSLAV SOKIĆ, MILICA MIŠIĆ, MARIJA SIMIĆ, MLADEN BUGARČIĆ

  One of the new methods of anchoring steel structures is the use of large-scale buckling-restrained braces (BRBs) on the lateral system of this type of structures. This study investigates the behavior of BRBs and compares them with buckling braces. In this study, a two-dimensional frame with four stories and four spans was taken and analyzed...

By MOHAMMADAMIN ABDOLLAHZADEH, SHIMA SHAMEKHI

Quarries are surface mines where construction stone is exploatation and processed. Ensuring worker safety in quarries and preventing injuries are crucial for creating a safe working environment and maintaining a productive workplace. In this paper, the critical role and necessity of implementing preventive measures in the production and processing ...

By EKREM BEKTAŠEVIĆ, KEMAL GUTIĆ, MUJO VALJEVAC, NORIS SAKIĆ

The aim of this work was to examine the possibility of stabilizing red mud with a natural mineral, namely pyrophyllite shale, to the extent that it is not harmful to the environment, as well as the use of such a stabilized composite for the production of building materials such as bricks, in order to ultimately achieve a complete circular economy, ...

By EDINA IBRIC, VEDRAN STUHLI, MUGDIN IMAMOVIC, ENITA KURTANOVIC

Polyvinylidene fluoride (PVDF) is a semicrystalline polymer whose piezoelectric performance is maximized in its polar β-phase. In this study, nano-structured PVDF matrix composites incorporating ceramic fillers were fabricated and evaluated as potential sensor materials.  The PVDF used in this work was recovered from machining waste of hi...

By RAŞIT SEZER, AHMET BUĞRA BAŞER

Steels for rolling bearings are important in the world production of special steels. They are used for the production of rolling bodies and rings. Since these are very responsible parts in machine construction, high-quality standards are required for these steels. The service life of rolling bearings, in addition to working conditions also depends ...

By ALMAIDA GIGOVIC-GEKIC, DIANA ĆUBELA, HASAN AVDUSINOVIC, AMER KARIC, BRANKA MUMINOVIC

For die industry where future products have decisive roles for material selection, subject of steel is an area of ​​interest with high potential for innovation. With new production technologies that prioritize knowledge, the quality of materials has improved significantly and these developments continue. Material selection in die design is an impor...

By ASLAN UNAL

The aim of the research conducted in this paper is to analyze the cadmium content in particulate matter PM10 for the period of 2020–2024, and thereby provide a realistic assessment of whether there has been a significant reduction in cadmium emissions into the atmosphere of Zenica due to the replacement of fossil fuels for the city’s he...

By FARZET BIKIĆ, HALIM PRCANOVIĆ, MIRNES DURAKOVIĆ, NAIDA BIKIĆ, SANELA BEGANOVIĆ

NdFeB (Neodymium-Iron-Boron) magnets are essential for technologies such as electric vehicles, wind turbines, and medical devices due to their high energy density. However, the growing demand for these magnets, coupled with the limited availability of rare earth elements (REEs), emphasizes the need for efficient recycling of end-of-life (EOL) NdFeB...

By ANIL UMUT ÖZDEMIR, UMAY ÇINARLI YAVAŞ, TANER AKBAY, AHMET TURAN

Public demand for environmentally friendly solutions for new types of cement with reduced CO₂ emissions is increasing. Consequently, new types of cement must be developed and introduced to the market. This paper presents test results for cement formulations based on calcium fly ash and marly limestone, following the EN 197-5 standard. The clinker c...

By NEVZET MERDIĆ, NEDŽAD HARAČIĆ, ILHAN BUŠATLIĆ, NADIRA BUŠATLIĆ, NEDŽIB KOBILICA

Fillers play a crucial role in enhancing product performance and reducing production costs. To be used in various industries, fillers must be readily available, affordable, pure, non-toxic, and meet specific physical and chemical standards. This study examines limestone and dolomite fillers, focusing on their chemical composition, mineralogical pro...

By NEDZAD HARACIC, NEVZET MERDIĆ, ILHAN BUŠATLIĆ, NADIRA BUŠATLIĆ, ADELINA PAŠALIĆ

Ferrochrome slag is a by-product of ferrochrome alloy production, which is an important component of stainless steel.  The total production of ferrochrome slag, which increases significantly every year with the increase in stainless steel production, is more than 1.1-1.5 times higher than the production of ferrochrome metal. In order to conser...

By AKIN ODABAŞI, GÖKHAN BAŞMAN, TUĞÇE ERGÜL, CENGIZ YAŞIN, HÜLYA KAFTELEN ODABAŞI

In this work, I aim to examine the various influences of process parameters on the physical and mechanical properties of extruded polystyrene (XPS). Since XPS belongs to the group of thermoplastic polymers, its properties are significantly affected by thermal treatment, particularly temperature and pressure. However, in addition to these key factor...

By SARAH LENASI

Technological developments and the demand for innovative products in catalysis and energy conversion/storage have driven the development of high entropy alloys (HEAs) and high entropy oxides (HEOs). HEAs, formed by combining four or more elements in nearly equal ratios, and HEOs have become prominent research topics for the above-mentioned technolo...

By UMAY ÇINARLI YAVAŞ, AHMET TURAN, TANER AKBAY

The changes in pH and conductivity during the rinsing of the pumpkin peel, and the biosorption of Cu2+ ions, were the subject of this work. The obtained data showed that the pH value of the solutions increased during the rinsing of the biosorbent, as a result of the transfer of H+ ions from the aqueous phase into the structure of the pumpkin peel. ...

By MARINA MARKOVIĆ, MILAN GORGIEVSKI, MILJAN MARKOVIĆ, VESNA GREKULOVIĆ, NADA ŠTRBAC, MILICA ZDRAVKOVIĆ, KRISTINA BOŽINOVIĆ

Specific environmental conditions, such as marine environments, often influence steel applications in marine industries. These conditions are commonly simulated using a NaCl solution in order to simplify the study and eliminate the complexities of seawater's chemical and biological variability. In this study, 42CrMo4 steel samples, a widely utilize...

By STANICA NEDOVIĆ, ANA ALIL, SANJA MARTINOVIĆ, TATJANA VOLKOV HUSOVIĆ

The Cu-Al-Zn alloy is used as a functional material in industry, and also as a biomaterial. These alloys have excellent electrical properties, good thermal conductivity, and can also be used for biomedical purposes.The basic characteristic of alloys that remember their shape is their independent return to some of their remembered shape when the tem...

By SAFIJA HERENDA, MERIMA BEGOVIĆ, EDHEM HASKOVIĆ, VANJA ASANOVIĆ