Výsledky vyhledávání - "Kujanpaa Veli"

Effect of leading and trailing torch configuration on mixing and fluid behavior of laser-gas metal arc hybrid welding

Autor: Kujanpaa Veli, Karhu Miikka, Na Suck-joo, Sohail Muhammad, Han Sang-Woo

Publikováno v: Sohail, M, Karhu, M, Na, S-J, Han, S-W & Kujanpää, V 2017, ' Effect of leading and trailing torch configuration on mixing and fluid behavior of laser-gas metal arc hybrid welding ', Journal of Laser Applications, vol. 29, no. 4, 042009 . https://doi.org/10.2351/1.5008304

The paper introduces the results of mixing and fluid flow studies for full penetration laser-gas metal arc (GMA) hybrid welding with GMA leading and trailing torch configuration. The material used was austenitic stainless steel with the thickness of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8c1145f632ca51366f8fa0263250e2eb
http://juuli.fi/Record/0284334117

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Spatial conversion of excimer laser beam

Autor: Grishkanich, Alexander, Zhevlakov, Alexander, Kascheev, Sergey, Kujanpaa, Veli, Savinainen, Timo

Publikováno v: Grishkanich, A, Zhevlakov, A, Kascheev, S, Kujanpaa, V & Savinainen, T 2016, Spatial conversion of excimer laser beam . in Optical Microlithography XXIX ., 97801L, International Society for Optics and Photonics SPIE, Proceedings of SPIE, vol. 9780, Optical Microlithography XXIX, San Jose, California, United States, 15/03/16 . https://doi.org/10.1117/12.2219934

The optical attachment for transformation the spatial characteristics of excimer laser has been experimentally investigated. The laser beam of rectangular section with sizes of 3 x 20 mm and divergence of 2 x 5 mrad after passage of an optical attach

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=355e65625b88::feafc536d51b25b576feb5fc167649ae
https://cris.vtt.fi/en/publications/9ba779e2-b123-47c6-81fb-9d7418e3ace8