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Online ISSN: 2566-4344

ISSN: 2566-4352

ISBN: 2566-4344

Open Access

Proceedings of MNM 2018 Articles

PROCEEDINGS of the 13th Scientific - Research Symposium with International Participation METALLIC AND NONMETALLIC MATERIALS production – properties – application, Vlašić, Bosnia and Herzegovina, April 19th – 20th 2018

Published: 19.04.2018.

04.09.2018. Research article Keynote papers
THERMAL PROPERTIES OF SELECTED DENTAL MATERIALS

Today almost all manufacturers of dental materials in their certificates of quality of material give its chemical composition, mechanical properties, process ability in aesthetic characteristics while informations about thermal properties are not available.Within the work measurements of the thermal properties of five selected, in daily dental prac...

By BORUT KOSEC, MATEJA VODLAN, BLAŽ KARPE, ALEŠ NAGODE, MILAN BIZJAK, IGOR KOPAČ, ALENKA PAVLIČ, IGOR BUDAK, TATJANA PUŠKAR, HENRY TAUBMANN, MIRKO GOJIĆ

04.09.2018. Keynote paper Keynote papers
NANOMATERIALS IN MEDICINE

The application of nanotechnology in medicine and dentistry will bring significant advances in the diagnosis, treatment, and prevention of disease. Various applications of nanotechnology in medicine are responsible for development of a new branch of medicine, called nanomedicine, which shows how it is possible to improve the understanding of pathop...

By VUKOMAN JOKANOVIĆ

Non-metallic inclusions usually deteriorate mechanical properties and surface quality of steel products. Presence of non-metallic inclusions might have negative affected some of the mechanical properties of steels like ductility, toughness, anisotropy, and formability. Macroscopic method for assessing the content of non-metallic inclusions in forge...

By BELMA FAKIĆ, ADISA BURIĆ, EDIB HOROZ

In this paper, a pressure vessel test is described which is viewed as an axis-symmetric structure in order to perform an initial check of the adopted model defined by the plate-like finite elements. This approach gives the possibility of comparing the results obtained for the stress and deformation field with the patterns of classical elasticity th...

By NERMIN BIŠĆEVIĆ, HUSMIRA BIŠĆEVIĆ

More recently a modified stainless steels have been used to produce various structural elements that work in complex operating conditions. Stainless steel X8CrNiS18-9 (standard EN 10088-3: 2005) is the most commonly used austenitic stainless steel due to its good machinability. This steel has high mechanical and working properties thanks to a compl...

By DERVIŠ MUJAGIĆ, MUSTAFA HADŽALIĆ, AIDA IMAMOVIĆ, SULEJMAN MUHAMEDAGIĆ

04.09.2018. Research article Metallic materials
DIFFERENT ASPECTS OF MATERIAL MODELING BY DEEP ROLLING

In the following paper results of the investigation of the “Bauschinger effect” are presented. It was done by model which was made in ABAQUS and observed from deep rolling simulation results of residual stresses. Later, comparison of the results are presented by variation of forces and overlapping factor. Deep rolling (DR) is a mechanic...

By AMMAR SEJDINOSKI

04.09.2018. Research article Metallic materials
COMPARISON OF DIFFERENT STEEL TYPES BY USING 3D TOMOGRAPHY

The results of two light optical tomographies (LOT) of two-phase steels are presented and compared in this paper. Two-phase steels show a microstructure consisting of a carbon-rich second phase and a ferritic matrix. In this work, microstructures are compared with a martensitic and a bainitic second phase. Tomographies are very important for materi...

By EMINA VARDO, JESSICA GOLA, FRANK MÜCKLICH

The purpose of this paper is to describe the basic reasons for obtaining narrower clad layers of CuZn10 alloy in regards to the central layer of steel strip DC04 are described. Some reasons for the reduction of the thickness of clad layers along the side edges of the strip are also described, as well as the change in the length of these parts with ...

By OMER BEGANOVIĆ, ALMEDINA ČAMDŽIĆ, FAIK UZUNOVIĆ

04.09.2018. Research article Metallic materials
NEW EDITIONS OF THE STEEL AND STEEL CASTING DESIGNATION STANDARDS

The great development of the industry has caused the need for systematization in the classification of raw materials and finished products. For this reason, all industrialized countries have their own standards, so called national standards or norms for production and delivery. With the unification of European countries, and also for the import and...

By MIRSADA ORUČ, RAZA SUNULAHPAŠIĆ, ALMAIDA GIGOVIC-GEKIC, SULEJMAN MUHAMEDAGIĆ

04.09.2018. Research article Metallic materials
INFLUENCE OF HEATING RATE ON STABILITY OF AUSFERRITE MICROSTRUCTURE

Austempered Ductile Iron (ADI) is obtained by exactly controlled heat treatment process of nodular cast iron. Ductile iron samples are first austenitised to dissolve carbon, then quenched rapidly to the austempering temperature to avoid the formation of deleterious pearlite or martensite. Resulting ausferrite microstructure consists of acicular fer...

By HASAN AVDUŠINOVIĆ, ALMAIDA GIGOVIC-GEKIC, ŠEHZUDIN DERVIŠIĆ

04.09.2018. Research article Metallic materials
DUCTILE IRON MICROSTRUCTURE DESIGN USING HEAT TREATMENT PROCESSES

Mechanical properties of the ductile iron strongly depend on its microstructure. Different microstructural constituents result in different values of mechanical and ductile properties of ductile iron castings. One of the possibilities to design (define) microstructure of ductile iron castings is an application of different heat treatment processes....

By HASAN AVDUŠINOVIĆ, SALAHELDIN ABDELMAGID MOHAMED BADRELDIN, MOHAMMED ABDELGADIR ABDALLA MOHAMMED, FAIK UZUNOVIĆ

This paper is concerned with carburization heat treatment. Standard carburization generally entails several steps: carburization of the surface layer by carbon diffusion at high temperatures, subsequent hardening and stress relief. This combination of hard surface and resistance to breakage upon impact is useful in parts such as a cam or ring gear,...

By BELMA FAKIĆ, MOHAMED FADLALLA MOHAMED AHMED, BABEKIR AHMED OSMAN MOHAMMED, FAIK UZUNOVIĆ

In this paper the effect of different heat treatment (recrystallization, spheroidizing and normalizing) processes on microstructure of the steel DC04 intended for deep drawing is presented. The steel is cladded with CuZn10 layers by explosive welding. Since the melting temperature of alloy CuZn10 is significantly lower (melting range 1025-1045 oC) ...

By OMER BEGANOVIĆ, BELMA FAKIĆ, ALI MOHAMMED ALI MOHAMMEDZAIN, BABEKIR AHMED OSMAN MOHAMMED, FAIK UZUNOVIĆ

In this work, industrial control technical measurements of the heat treatment of high chromium steel (HCS) rolls is presented.Measurements were carried out on the gas fired car bottom chamber furnace Bosio PP-KP 70/1150 in the company Valji d.o.o., Štore, Slovenia. Temperature measurements of the individual heating zones of the furnace, roll...

By BLAŽ KARPE, SIMON REČNIK, ALEŠ NAGODE, BORUT KOSEC, SERGEJ NOVAK, STJEPAN KOŽUH

FeCrAl alloys have good oxidation resistance at elevated temperature owing to the formation of a continuous Al2O3 surface film, which acts as an oxygen diffusion barrier. The aim of the present study was to investigate the early stages of protective oxide layer formation and its growth on specially prepared commercial FeCrAl alloys, Kanthal AF (K-A...

By STOJANA VESKOVIČ, MILAN BIZJAK, BLAŽ KARPE, ALEŠ NAGODE, SAMO SMOLEJ, JANEZ KOVAČ, GORAZD KOSEC

Shape memory alloys (SMAs) belong to the group of advanced functional materials for numerous technical applications. Among many known Cu-based shape memory alloys, Cu–Al–Mn ternary alloys are characterized by a combination of good shape memory properties and excellent ductility which makes them commercially attractive.In this work the C...

By DRAGAN MANASIJEVIĆ, TAMARA HOLJEVAC-GRGURIĆ, LJUBIŠA BALANOVIĆ, UROŠ STAMENKOVIĆ, RADIŠA TODOROVIĆ, MILAN GORGIEVSKI1, MIRKO GOJIĆ

04.09.2018. Research article Metallic materials
MICROSTRUCTURE OF METALLS COATINGS NiCrAlY

In conducted research was made a characterisation of microstructure and powder NiCrAlY, before and after applying on the base material. Coating was carried out by using HVOF Diamond Jet procedure, which uses the kinetic energy of the metal particles produced by on explosion of combustible gases. Characterisation was based on chemical analysis of me...

By MILENKO RIMAC, MIRSADA ORUČ, GORAZD KOSEC

Carburizing is a very popular method of thermochemical treatment to increase the surface hardness of steel parts. It is achived by heating the steel at an austenite temperature in an environment of appropriate carbon source. Carbon sources provide the corresponding so-called a carbon potential (C potential). In the case of equilibrium state, the ca...

By JUSUF DURAKOVIĆ, ALMAIDA GIGOVIĆ-GEKIĆ, BELMA FAKIĆ

04.09.2018. Research article Metallic materials
PHASE EQUILIBRIA OF THE Cu-In-Ni TERNARY SYSTEM AT 300 °C

This study reports experimental and thermodynamic investigation of the Cu-In-Ni ternary system at 300 °C. Isothermal section of the Cu-In-Ni system at 300 °C was calculated using optimized thermodynamic parameters for the constitutive binary systems from literature. Microstructure analysis of selected alloy samples after long time annealing...

By ALEKSANDAR ĐORĐEVIĆ, MILENA PREMOVIĆ, DUŠKO MINIĆ, VLADAN ĆOSOVIĆ, MILUTIN ŽIVKOVIĆ, DRAGAN MANASIJEVIĆ, MILAN KOLAREVIĆ

In the technology of bentonite mixture mold unexplored fields are the properties of a mixture of a quartz sand fraction 0.106 mm, 0.3 mm and 0.425 mm and the possibility of stacking in horizontal layers in the mold. The investigation is related to the layers of the following combination of sand fractions: 0.3 / 0.106 / 0.425 mm, 0.106 / 0.425 / 0.3...

By AJLA HUSELJIĆ, ANA BEROŠ, HASAN AVDUŠINOVIĆ

This paper describes a few examples of the recovery of manganese from steel slag and dust by using different technologies based on acid leaching.Reductive leaching in sulfuric acid (H2SO4) for recovery of manganese from electric arc furnace dust (EAFD) was represented. Recovery of manganese and iron was increased with increasing in the sulfuric aci...

By AIDA IMAMOVIĆ, RAZA SUNULAHPAŠIĆ, AMNA HODŽIĆ

The microscope has become a more common tool in the cement industry. Evaluation of clinker using microscopy is a powerful technique that can help improve clinker production and cement quality. The key to using the microscopy is understanding the process of clinker production namely how raw materials are transformed into clinker. These transformatio...

By NEVZET MERDIĆ, NEDŽAD HARAČIĆ, ILHAN BUŠATLIĆ, NADIRA BUŠATLIĆ, ADIS MERDIĆ

04.09.2018. Research article Nonmetallic materials
THE INFLUENCE OF CLINKER DUST ON BLAST FURNACE CEMENT PROPERTIES

Clinker dust or cement kiln dust (CKD) is fine granulated material which generate during the thermal treatment of raw meal and during the clinker cooling process. By applying different methods in certain stages of the technological process it is possible to extract the mentioned dust. The chemical composition of the clinker dust depends on type and...

By NEVZET MERDIĆ, NEDŽAD HARAČIĆ, ILHAN BUŠATLIĆ, NADIRA B BUŠATLIĆ, ZEHRUDIN OSMANOVIĆ, NISAD AVDIĆ

This paper presents a model of molecular ultrathin (nano) crystalline film and feature research methodology of exciton system as well as analysis of dielectric properties of these spatially very restricted structures with perturbed fundamental parameters on surfaces. Using the two-time Green's functions, adapted for research of symmetry breaking cr...

By SINIŠA M. VUČENOVIĆ, JOVAN P. ŠETRAJČIĆ

In recent decades, the interest in refractory materials which are formed without baking - by chemicalbonding - has increased significantly, as their production is less complex and more economical thanthe production of classical refractory materials, which involves a long baking process. In this work,as a chemical binder, phosphoric acid, which is i...

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

Gypsum is added to the Portland cement clinker in the amount of 3 to 5% in the grinding phase as the binding rate regulator. When it comes to the hydration of cement, if sufficient amount of gypsum is added, fast cementation will not occur because gypsum by its presence reduces the solubility of tricalcium aluminate and thus slows down rapid reacti...

By ILHAN BUŠATLIĆ, AMNA KARIĆ

04.09.2018. Research article Nonmetallic materials
HIGH-STRENGTH CONCRETE (HSC) MATERIAL FOR HIGH-RISE BUILDINGS

Successful examples of high–rise buildings in the world are obvious evidences that the use of high–strength concrete is nowadays reality in construction worldwide. Whether focus on high–rise buildings up to 15– 24 storeys, or the super tall high–rise buildings that are few hundred of storeys high, high–strength c...

By ILDA KOVAČEVIĆ, SANIN DŽIDIĆ

Metallurgical coke, as a fuel and a reducing agent, also allows for the gas to go through a charge in the blast furnace. The coke must have a strength, porosity, reactivity and a uniform granulation, because reaction of CO2 at high temperatures in the furnace. There are various mathematical models for the optimization of coal blend, which allow the...

By SULEJMAN MUHAMEDAGIĆ, MIRSADA ORUČ, ADMIR MUMINOVIĆ, AMINA KURTOVIĆ

Samples based on talc with 15 % of zeolite from Zlatokop, Serbia, sintered at 1200 ºC were prepared and tested in condition of cavitation erosion. The ultrasonic vibratory cavitation set up with stationary specimen was used. Mass loss was measured and degradation level of the samples using image analysis and Young modulus of elasticity was mon...

By JELENA MAJSTOROVIĆ, SANJA MARTINOVIĆ, MILICA VLAHOVIĆ, MARINA DOJČINOVIĆ, MARKO PAVLOVIĆ, TATJANA VOLKOV HUSOVIĆ

The paper examined the conventional castables composed of a mixture of high aluminate cement with 70% Al2O3, chamotte waste with 42% Al2O3 and brick clay ,,Rapajlo“. The influence of particle size distribution on density, porosity, water absorption, modulus of rapture and cold crashing strength was investigated. Particle size distribution was...

By MARINA JOVANOVIĆ, ADNAN MUJKANOVIĆ, NADIRA BUŠATLIĆ

The physical-mechanical properties of concrete with nanosilica were experimentally studied. Nanosilica in powder form was used as a partial replacement of cement at dosage of 3 and 6 wt.%. The experimental results show that the compressive strengths of concretes with nanosilica particles were all higher than those of reference concretes at ages 1, ...

By ADNAN MUJKANOVIĆ, MARINA JOVANOVIĆ, AMEL ZAHIROVIĆ

Parameter monitoring and testing of explosive substances under certain conditions, as well as control of raw materials used in the production process, contributes to obtaining the finest quality product.The aim of this paper was to test the key parameters in the process of explosive production and compare the results with the standard (reference) v...

By ŠEFKIJA BOTONJIĆ, AZRA HALILOVIĆ, IRMA RAMIĆ

04.09.2018. Research article ENVIRONMENT PROTECTION AND SUSTAINABLE DEVELOPMENT
ANALYSIS OF THICKNESS OF ECOLOGICAL MATERIAL, ORIENTATED POLYPROPYLENE FOR THE PACKAGING OF DRIED FRUIT

Rational choice and the use of appropriate packaging materials and types of packaging influence the preservation of the qualitative characteristics of the product as well as on the sustainability of the packaged content [1]. Based on testing the thicknesses of different types of materials, it is possible to make the right choice for packaging certa...

By AJKA ALJILJI, NEBIJA ALJILJI

04.09.2018. Research article ENVIRONMENT PROTECTION AND SUSTAINABLE DEVELOPMENT
QUALITY CONTROL OF DRINKING WATER

The main purpose of this paper was to control the quality of drinking water, which is distributed to the city of Zenica. Sampling, methods of testing and interpretation of the results were realized in accordance with Regulation on the hygiene of drinking water, "Official Gazette of B&H'', number: 40/10, 43/10, 30/12 [6]. JP "VIK" doo Zenica the...

By ASIM IBRAHIMAGIĆ, AMINA VALENTIĆ

04.09.2018. Research article ENVIRONMENT PROTECTION AND SUSTAINABLE DEVELOPMENT
CHEMICAL ANALYSIS OF HEAVY METALS IN LEAF OF GREEN SALAD AND ASSESSMENT OF CONTAMINATION

The paper presents the results of an analysis of the content of heavy metals (Pb, Cd, Zn, Ni, Cu and Fe) in a leaf of green salad from six locations which gravitate towards the city of Zenica. After sampling from the defined locations, samples of green salad were prepared for analysis in the laboratory of the Faculty of Metallurgy, by dry digestion...

By FARZET BIKIĆ, FATIMA BALTIĆ, DEJANA KASAPOVIĆ, AMIRA PAŠALIĆ

Basic raw materials for paper production are cellulose fibers and water. Water plays a major role in the process of cellulose and paper production and it is present in almost all phases of the cellulose fiber production process. Because of that the cellulose and paper industry is considered to be one of the largest consumers of natural resource pol...

By ILHAN BUŠATLIĆ, ŠEFKIJA BOTONJIĆ, AZRA HALILOVIĆ

04.09.2018. Research article ENVIRONMENT PROTECTION AND SUSTAINABLE DEVELOPMENT
AIR QUALITY INDEX (AQI) – COMPARATIVE STUDY AND ASSESSMENT OF AN APPROPRIATE MODEL FOR B&H

The regulations on air quality in Bosnia and Herzegovina are based on European Union regulations and they rely on defined limits for concentrations of certain pollutants. Although the law stipulates that the public must be informed on the quality of environmental parameters in a clear, simple and easily understandable manner, this is not the case i...

By SAMIR LEMEŠ

Urban environments are subject to various pollutions where, among other things, acoustic pollution. Consequently, the study of acoustic pollution is an issue that is addressed in several aspects: economic, political and scientific / research.In this paper we propose a simulation model through the Matlab / Simulink software that shows the effect of ...

By JOZEF BUSHATI, VIRTYT LESHA, DARKO PETKOVIĆ, DIANA K KARUOVIĆ