COMSOL SIMULATION OF LASER WELDING OF ALUMINUM

Autor: Nikolaj Angelov, Lyubomir Lazov, I Balchev, Erika Teirumnieka

Publikováno v: ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference; Vol 3 (2021): Environment. Technology. Resources. Proceedings of the 13th International Scientific and Practical Conference. Volume 3; 25-29

This research includes a Comsol Mutiphysics model describing the temperature distribution on aluminum during the laser conductivity welding process. The influence of laser power and speed on the welding process is discussed and compared with experime

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c3f3fdf71296ea3543086615d6671df6
http://journals.rta.lv/index.php/ETR/article/view/6639

PRECISION MICROMACHINING OF METALS BY CUBR LASER

Autor: I Balchev, Edmunds Teirumnieks, Lyubomir Lazov

Publikováno v: ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference; Vol 3 (2019): Environment. Technology. Resources. Proceedings of the 12th International Scientific and Practical Conference. Volume 3; 13-17
Environment. Technology. Resources. Proceedings of the International Scientific and Practical Conference; Vol 3 (2019): Environment. Technology. Resources. Proceedings of the 12th International Scientific and Practical Conference. Volume 3; 13-17

The ability to laser machine materials with high resolution and high throughput is critical in advanced manufacturing for a vast array of applications, from photovoltaic cells to bio-compatible micro-components. Copper bromide (CuBr) lasers with thei

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::495b1a9eaa9fb0116765b74bc6c1fbdf
http://journals.rta.lv/index.php/ETR/article/view/4178

Analysis of the process of laser ablation of marble surfaces

Autor: P Tsvyatkov, Nikolay Angelov, I Balchev, Lyubomir Lazov

Publikováno v: Journal of Physics: Conference Series. 1859:012014

Over the last decade, laser surface treatment of stones has gained increasing scientific interest. New technologies and processes based on different types of laser sources and processing modes are being studied. This report examines the process of la

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fcd225bd5ff4569d3f7505142c67f38c
https://doi.org/10.1088/1742-6596/1859/1/012014

Finite element modeling of laser aluminum marking

Autor: Edmunds Teirumnieks, I Balchev, Nikolay Angelov, Ivo Draganov, Atanas Atanasov, Lyubomir Lazov, A Lengerov

Publikováno v: Journal of Physics: Conference Series. 1859:012017

This work makes use of the finite element model, whose results are validated by experiments. The effect is discussed of the speed on the laser marking process. Numerical experiments are performed to determine the temperature fields produced by laser

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::054ea2f8c245b187b875b4d5e001492b
https://doi.org/10.1088/1742-6596/1859/1/012017

Influence of the laser pulse repetition rate and scanning speed on the morphology of Ag nanostructures fabricated by pulsed laser ablation of solid target in water

Autor: I. K. Kostadinov, I Balchev, A.S. Nikolov, Daniela Karashanova, Nikolay N. Nedyalkov, G. B. Atanasova

Publikováno v: Applied Physics A. 123

Nanostructures of noble metal were produced by pulsed laser ablation in liquid. A solid Ag target was immersed in double distilled water and a CuBr laser in a master oscillator—power amplifier configuration oscillating at 511 nm and emitting pulses

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::398bb63422eb5d5e61c42ebf6ed84590
https://doi.org/10.1007/s00339-017-1328-0