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Št. zadetkov: 3
Surface-constrained catalytic graphitization and phase evolution in phosphorus-activated porous carbon
Chekwube Ginikanwa Nwodika, Grgur Mihalinec, Vlasta Mohaček-Grošev, Marijan Marciuš, Umar Farooq, Klara Klemenčič, Andrej Molnar, Zoran Mandić
Izvirni znanstveni članek
Oznake: materiali;ogljik;grafit;elektrokemija;
Leto: 2026 Vir: Kemijski inštitut (KI)
Experimental and numerical investigation of the deep drawing process using a tractrix die – an industrial case study focused on stress and temperature analysis
Vesna Mandić, Dj. Milosavljevic, Zoran Jurković, D. Adamovic
Izvirni znanstveni članek
Oznake: globoko vlečenje;numerično modeliranje;metoda končnih elementov;deep drawing;tractrix die;reinforcing rings;finite element method;FEM;experimental-numerical approach;numerical modelling;simulation;infrared imaging technology;simufact.forming;
The deep drawing process of thick sheet metal for vessel production is carried out by applying a tractrix die with the absence of a blank holder, which has economic benefits for industrial production. The main aim of the paper is the development of a reliable numerical thermo-mechanical model of a s ...
Leto: 2024 Vir: Digitalna knjižnica Univerze v Mariboru (DKUM)
Optimization of extrusion process by genetic algorithms and conventional techniques
Zoran Jurković, Miran Brezočnik, Branko Grizelj, Vesna Mandić
Izvirni znanstveni članek
Oznake: oblikovanje z deformiranjem;optimizacija sile istosmernega iztiskavanja;načrtovanje eksperimentov;Taguchi pristop;genetski algoritmi;metal forming;forward extrusion force optimization;design of experiments;Taguchi approach;genetic algortihm;
The purpose of this research is the determination of the optimal cold forward extrusion parameters with the minimization of tool load as objective. This paper deals with different optimization approaches in order to determine optimal values of logarithmic strain, die angle and friction factor with t ...
Leto: 2009 Vir: Fakulteta za strojništvo (UM FS)
Št. zadetkov: 3
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