Št. zadetkov: 13
Kratki znanstveni prispevek
Oznake:
inženiring površin;lasersko mikrostrukturiranje;laserska obdelava;
Z lasersko povzročenimi periodičnimi površinskimi strukturami (LIPSS) je mogoče pomembno izboljšati funkcionalnost površin. V eksperimentih smo titan obdelovali z linearno polariziranimi pikosekundnimi laserskimi bliski z valovno dolžino [gama] = 1064 nm. Preučevali smo nastanek, obliko in razvoj LI ...
Leto:
2017
Vir:
Fakulteta za strojništvo (UL FS)
Objavljeni znanstveni prispevek na konferenci
Oznake:
laserski inženiring površin;lasersko nanostrukturiranje;laserska obdelava;laser surface engineering;laser nanostructuring;laser processing;
Influence of processing parameters on characteristics of laser-induced periodic surface structures on steel and titanium
Leto:
2019
Vir:
Fakulteta za strojništvo (UL FS)
Magistrsko delo
Oznake:
magistrske naloge;laserski inženiring površin;laserske obdelave;lasersko strukturiranje;lasersko mikrovrtanje;lasersko barvanje;lasersko povzročene periodične površinske strukture;
V magistrskem delu razvijemo in postavimo laserski sistem za mikrovrtanje in strukturiranje različnih kovinskih površin na mikrometrski in podmikrometrski skali. Pri tem smo uporabili različne laserske vire: Nd:YAG laser ([lambda] = 1064 nm) z ultrakratkimi 8 ps in 30 ps bliski; in vlakenski laser ( ...
Leto:
2018
Vir:
Fakulteta za strojništvo (UL FS)
Izvirni znanstveni članek
Oznake:
laser ablation in liquids;cavitation bubbles;laser microstructuring;
The quest for miniaturization of devices and control over surface properties motivate rigorous efforts to artificially fabricate surfaces with nanometer features. Here we present a method for fabricating curved, meandering grooves with submicrometer spacing by laser irradiation in liquid. We show th ...
Leto:
2023
Vir:
Fakulteta za strojništvo (UL FS)
Doktorska disertacija
Oznake:
laser surface engineering;surface functionality;laser ablation in liquids;cavitation bubble;laser-induced periodic surface structures;diffraction;surface coloration;wettability;
The quest for device miniaturization and control over surface interactions motivate the rigorous efforts to artificially fabricate surfaces with improved properties. One of the potential methods is laser irradiation and the aim of this thesis is to determine the (i) process dynamics and (ii) surface ...
Leto:
2023
Vir:
Fakulteta za strojništvo (UL FS)
Izvirni znanstveni članek
Oznake:
laser ablation;laser propulsion;cavitation bubbles;nanosecond lasers;coupling coefficient;energyconversion efficiency;
A Nd:YAG laser with 7-ns pulses and pulse energies up to 10 mJ is used to induce an optical breakdown in the front surface of an aluminum rod, covered by a water layer. The rod is part of a ballistic pendulum. In this way, we study the propulsion effects by means of coupling coefficient and energy-c ...
Leto:
2020
Vir:
Fakulteta za strojništvo (UL FS)
Izvirni znanstveni članek
Oznake:
laserska ablacija;graviranje;vlakenski laserji;laser ablation;engraving;fiber lasers;material removal rate;laser-material interaction;
In this paper, we investigate the influence of the following parameters: pulse duration, pulse repetition rate, line-to-line and pulse-to-pulse overlaps, and scanning strategy on the ablation of AISI 316L steel and CuZn37 brass with a nanosecond, 1064-nm, Yb fiber laser. The results show that the ma ...
Leto:
2022
Vir:
Fakulteta za strojništvo (UL FS)
Izvirni znanstveni članek
Oznake:
surface functionalization;laser surface engineering;hydrophobic surfaces;pool boiling;nucleate boiling;laser structuring;
Functionalized interfaces enhancing phase-change processes have immense applicability in thermal management. Here, a methodology for fabrication of surfaces enabling extreme boiling heat transfer performance is demonstrated combining direct nanosecond laser texturing and chemical vapor deposition of ...
Leto:
2020
Vir:
Fakulteta za strojništvo (UL FS)
Objavljeni znanstveni prispevek na konferenci
Oznake:
laserski inženiring površin;lasersko mikro vrtanje;mikrofiltracija;kovinske membrane;filtracija vode;
Mikrofiltracija je postopek, ki se uporablja za filtriranje in čiščenje zmesi že nekaj desetletij, poleg samega procesa filtracije pa se trenutno veliko raziskav ukvarja tudi z novimi metodologijami izdelave membran. Analizirali smo mašenje membran pri petih transmembranskih tlakih (2, 4, 6, 8 in 10 ...
Leto:
2020
Vir:
Fakulteta za strojništvo (UL FS)
Izvirni znanstveni članek
Oznake:
laser ablation in liquids;cavitation;bubbleshadowgraphy;
Laser ablation in liquids is growing in popularity for various applications including nanoparticle production, breakdown spectroscopy, and surface functionalization. When laser pulse ablates the solid target submerged in liquid, a cavitation bubble develops. In case of "finite" geometries of ablated ...
Leto:
2021
Vir:
Fakulteta za strojništvo (UL FS)