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Materiali in Tehnologije
Scopus
ISSN 1580-2949 · Institute of Metals and Technology · 153 artikel di indeks
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Artikel Jurnal
PREPARATION OF NANO MANGANESE OXIDE AND ITS APPLICATION IN THE WET OXIDATION OF PHENOL
Manganese oxide nanoparticles have application prospects in catalysis due to their high specific surface area, abundant active sites, and excellent chemical stability. In this study, nano α-Mn2O3 catalysts were synthesized via microwave-assisted carbonization in a glucose-urea system…
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EXPERIMENTAL INVESTIGATION ON TRIBOLOGY AND MECHANICAL CHARACTERISTICS OF FUNCTIONALIZED GRAPHENE- AND MWCNTs- REINFORCED EPOXY HYBRID NANOCOMPOSITES
The development of epoxy-based hybrid nanocomposites reinforced with functionalized graphene and multi-walled carbon nanotubes (MWCNTs) has emerged as a promising strategy to enhance structural performance under combined mechanical and tribological characteristics. In this study, the tribological…
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QUANTITATIVE CORRELATION BETWEEN AGGREGATE WATER ABSORPTION AND CONCRETE STRENGTH IN MULTI-CYCLE RECYCLING
This study investigated the influence of quality enhancement of multi-recycled aggregates on the performance of concrete. First-generation (RA1) and second-generation (RA2) recycled aggregates were subjected to three conditions – untreated, mechanically treated, and chemically treated – and the…
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Artikel Jurnal
GREEN AND CONVENTIONAL SYNTHESIS OF NiO NANOPARTICLES: IMPACT OF ERUCA SATIVA ON PHOTOCATALYSIS
In this study, we report a hybrid synthesis route to nickel oxide (NiO) nanoparticles that combines conventional sol–gel and Pechini methods with a green, bio-mediated approach using Eruca sativa (rocket) extract for the first time in NiO synthesis. This plant-based approach offers a genuinely…
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3D-PRINTED POLYLACTIC ACID REINFORCED CARBON FIBER IN BULK AND TRIPLY PERIODIC MINIMAL SURFACE (TPMS) LATTICE STRUCTURES: A MECHANICAL PROPERTIES COMPARATIVE STUDY
Focusing on lightweight design while maintaining mechanical integrity at the highest levels has made triply periodic minimal surface (TPMS) lattice structures one of the promising structural concepts.1 Therefore, this study investigates the mechanical performance of polylactic acid (PLA) reinforced…
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CHARACTERIZATION OF ABACA-E-GLASS/EPOXY POLYMER COMPOSITES REINFORCED WITH BAMBOO-ACTIVATED CARBON NANOFILLERS
This study aims to investigate the effect of fiber volume fraction and NaOH treatment on the mechanical and physicochemical properties of hybrid abaca–E-glass/epoxy composites reinforced with bamboo-activated carbon nanofiller. Composites were fabricated using hand lay-up and vacuum bagging, with…
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STRESS ANALYSIS AND NUMERICAL SIMULATION STUDY OF COLD METAL TRANSFER WELD HEAD
In order to study stress and deformation during welding, the macroscopic and microscopic morphologies of the welded joints were recorded to obtain the best welding parameters. Taking a Q235 steel plate as the specimen, six groups were welded under different welding parameters using the cold metal…
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TRIBOLOGICAL PERFORMANCE OF HEAT-TREATED Al6061 HYBRID METAL-MATRIX COMPOSITES
We investigate the tribological performance of a heat-treated Al6061 alloy and its hybrid composites under dry-sliding conditions. Hybrid aluminium metal-matrix composites reinforced with graphite, nano-tungsten carbide and red mud were fabricated using the stir-casting technique. The as-cast alloy…
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Artikel Jurnal
HYBRID NATURAL GEOTEXTILES FOR SUSTAINABLE GROUND IMPROVEMENT: INSIGHTS FROM UCC, CBR, AND DIC ANALYSES
The growing need for environmentally sustainable ground improvement has accelerated the use of natural fiber geotextiles as alternatives to synthetic reinforcements. This study investigates the mechanical and deformation characteristics of clayey soil reinforced with coir and jute geotextiles, used…
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ADDITIVE MANUFACTURING OF ARCHITECTED INCONEL 718 STRUCTURES: EXPLORING THE STRENGTH AND FAILURE OF LATTICE STRUCTURES
This study investigates the mechanical performance and failure behaviour of additively manufactured Inconel 718 (IN718) lattice structures fabricated via laser powder bed fusion (PBF-LB). Five distinct unit-cell topologies were evaluated: three triply periodic minimal surfaces (TPMSs), namely…
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Artikel Jurnal
PREPARATION AND VULCANIZATION CHARACTERISTICS OF EXTREMELY COLD-RESISTANT CARBOXYL-BASED ACRYLIC RUBBER WITH BUTYL FUMARATE AS A VULCANIZING MONOMER
In this article, ethyl acrylate, butyl acrylate, and 2-methoxyethyl acrylate are used as reaction monomers; butyl fumarate (BFM) is used as a vulcanization crosslinking point monomer; ammonium persulfate and sodium bisulfite are used as initiators; and sodium dodecyl sulfonate is used as an…
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MICRO VICKERS HARDNESS AND SURFACE ROUGHNESS OF Al-Cu UNS A92124/T851 ALLOY IN RELATION TO TURNING PARAMETERS: AN EXPERIMENTAL STUDY
This study examines the effect of cutting speed and feed rate on the surface roughness and microhardness of UNS A92124-785 during CNC turning. The machined surfaces were evaluated in terms of surface roughness, microhardness, and corrosion behavior, while surface morphology and elemental…
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MECHANICAL AND MICROSTRUCTURAL BEHAVIOUR OF STIR-CAST AA7065–B4C–GRAPHITE HYBRID COMPOSITES WITH OPTIMIZED REINFORCEMENT CONTENT
High-strength aluminium hybrids reinforced with ceramics and solid lubricants are used in structural and tribological parts. AA7065 supports precipitation hardening and the incorporation of B4C and graphite. Quantitative links between reinforcement content and mechanical behaviour remain limited…
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OPTIMIZED TRIBOLOGICAL BEHAVIOUR OF MUSA–BASALT–SiC HYBRID COMPOSITES USING RSM
The study examines the influence of SiC additions on tribological properties of basalt–Musa fiber-reinforced hybrid composites with a phenol-formaldehyde matrix. The composite with 60 % of Musa, 26 % of basalt and 4 % of SiC (S5) had the highest mechanical properties, such as tensile, flexural and…
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MECHANICAL PROPERTIES OF ZrO2-TOUGHENED Al2O3 CERAMICS: EFFECT OF ZrO2 CONTENT
Alumina ceramics are important high-temperature materials with exceptional properties; however, their applications are limited by their low flexural strength and brittle nature. Adding a secondary phase effectively improves the toughness of alumina without compromising its hardness. In this study…
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HETEROGENOUS EQUILIBRIA IN Al-Mn QUASICRYSTALLINE ALLOY DURING HIGH-PRESSURE DIE CASTING
Using advanced characterization techniques, including optical microscopy, scanning electron microscopy (SEM) with energy-dispersive spectroscopy (EDS), and differential scanning calorimetry (DSC) combined with Thermo-Calc calculations, the study demonstrated the relationship between casting…
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INITIATION OF STRESS CORROSION CRACKING IN BRASS COMPONENTS FOR DRINKING WATER SYSTEMS: SELECTED CASE STUDIES
Failure of various components in internal drinking water systems leads to water leakage and high economic costs. Brass is a promising material for machining such components; however, it is sensitive to special forms of corrosion. Dezincification of duplex (α+β') brass can cause dealloying and…
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BIOPOLYMER COMPOSITE FILMS BASED ON HYDROXYPROPYL METHYLCELLULOSE (HPMC) AND PECTIN REINFORCED WITH MgO AND ZnO NANOPARTICLES FOR STRAWBERRY (Fragaria vesca) PRESERVATION
Biopolymers have been widely investigated as an alternative to synthetic plastics. Perishable foods such as fruits and vegetable products have a short shelf life and cause significant postharvest losses, posing a major challenge to the food supply chain. In this research, hydroxypropyl…
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QUANTITATIVE MEASUREMENT OF MAGNETIC FORCE IN BASIC AND PRECIOUS DENTAL ALLOYS FOR PORCELAIN TECHNIQUE
Precious dental alloys based on gold, platinum, palladium or silver exhibit excellent corrosion resistance, high biocompatibility and optimal mechanical properties for use in prosthetic dentistry. In comparison, base dental alloys based on chromium, cobalt or nickel are cheaper, have excellent…
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Artikel Jurnal
MONITORING AND EVALUATION OF ERECTILE FUNCTION DURING ROBOT-ASSISTED RADICAL PROSTATECTOMY
To optimize the removal of cancerous prostate tissue, nerve-sparing robot-assisted radical prostatectomy (RARP) is commonly used. This technique aims to preserve the neurovascular bundles (NVBs), damage to which is a major cause of postoperative erectile dysfunction (ED). The primary goal of this…