MATERIALI IN TEHNOLOGIJE

Hongseok Yang, Jeonghyun Kim, Ganza Jean Francois Regis, Namho Kim

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 corresponding concretes incorporating these aggregates as coarse aggregate were eval…

Vellingiri Sakthivel, Sundara Vadivel G., Arunkumar A., Sivamani S.

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 characteristics were analyzed using SEM coupled with EDX. The results indicated that surfac…

Pradeep A D, Kannakumar K, Vignesh Kumar S, Manojkumar S et al.

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 and composites were subjected to a T6 age-hardening treatment to examine the eff…

Madhan Baladhandapani, Parthiban Alagesan

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 for AA7065. This study quantifies the effect of B4C content at a near-constant grap…

Nourdjihane Mazouzi, Boutemak Khalida, Haddad Ahmad

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 methylcellulose (HPMC)/pectin composite reinforced with 0.5 % magnesium oxide nanoparticles (…

Saranya Nithiyanandan, Ganesh Kumar Shanmugam, Sivapriya Vijayasimhan

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 individually and in hybrid configurations. Reinforcement layers were positioned …

Mirjam Bajt Leban, Tadeja Kosec

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 cracking of components and also lead to the release of lead into drinking water, which…

Maniram Ramakrishnan, Ramanathan Kalimuthu, Sathiyaseelan Selvaraj, Sundram Geetha

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 compressive strength of 38.8 MPa, 186.8 Mpa and 70.8 MPa, respectively, and was s…

Nabilah Afiqah Mohd Radzuan

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 with 15 w/% carbon fiber (CF) in both bulk and TPMS lattice. Bulk PLA/CF (15 w/%…

Peter Majerič, Milan Svetec, Peter Mihor, Zvonko Jagličić et al.

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 mechanical properties but poorer corrosion resistance and biocompatibility. This rese…

Weitao Huo, Hongjing Yuan, Yongchao Hao, Cuige Lu et al.

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. Characterization results revealed that the amount of urea added influences the structure of th…

Mei Li, Fu Yang, Xiaolong Wei, Zheng Jia

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 transfer method. The stress field and deformation field in the welding process wer…

Boštjan Kocjančič

PROGRAM IN KNJIGA POVZETKOV/ PROGRAM AND BOOK OF ABSTRACTS

Aljaž Merčun, Matej Drobnič, Elijan Mastnak, Jan Žumer et al.

The primary objective of this study was to provide empirical evidence of the repeatability of the muscle contraction (MC) sensor signal and the associated measurement methodology based on a discrete covariate analysis. Despite the growing interest in this technology, the repeatability of MC sensor measurements across different environments and applications has not yet been syst…

Ahmed Abdelghany, Matias Jaskari, Sami Westman, Ilkka Poutiainen et al.

This study quantifies the effects of laser power and scan speed on the aged microstructure and hardness of PBF-LB Inconel 718 processed under the EOS-standard heat-treatment schedule. Cylindrical specimens were fabricated on an EOS M290 using six power–speed combinations spanning a line energy (Eline = P/v) range of 0.167–0.583 J·mm–1, followed by solution annealing and double …

Lovro Cigić, Mirza Imširević, Milana Ilić Mićunović, Sandra Perič et al.

Oxyfuel cutting and plasma cutting were investigated with respect to the particulate emissions generated during the cutting of SIHARD S460 cold-work tool steel. The aim of the study was to compare the amount and characteristics of the particles emitted during the two cutting processes. Particles were collected by sampling and analyzed gravimetrically, while their size, morpholo…

Shanping Deng, Tao He, Xiangyang Du, Jiayun Zhu

To systematically investigate the tensile deformation behavior of solid-solution-treated 6061 aluminum alloy under varying temperatures and strain rates and to establish an applicable constitutive model, uniaxial tensile tests were conducted using a 68TM-50 universal tensile testing machine and a Gleeble-3800 thermomechanical simulator. The experiments covered a temperature ran…

Hongtao Luo, Run Dong

High joint injury rates in basketball are frequently linked to the inadequate shock absorption of traditional court surfaces. This study investigates a carboxylated styrene-butadiene rubber latex (XSBRL)-modified phenolic resin composite, reinforced with magnesium calcium sand, to address the trade-off between safety and durability. Results indicate that 12 w/% XSBRL yields opt…

Pengkang Xie, Kai Ning, Zhenglong Jiang

This study investigates the optimization of composite silicone rubber (SR) through a physical electrothermal post-treatment process that functions as an efficient structural annealing method. The aim is to enhance the material’s intrinsic properties without relying on formulation modifications. Experimental results show that post-treatment at 300 °C for 1 h significantly improv…

Zhenqian Zhang, Deyi Zhang, Yulong Li, Jinpeng Liang et al.

Limited research exists on the passivation film of anionic waterborne polyurethane resin, particularly regarding strategies to enhance its performance. This study investigates the influence of the wax emulsion’s particle size and concentration on the structure, interfacial behavior, corrosion resistance, friction resistance, and adhesion properties of the passivation film. Find…