Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Róbert Sobota"'
Publikováno v:
Journal of Metallic Materials. 74:21-28
The paper focuses on the analysis and comparison of tube wall thickness after cold drawing. The tube wall thickness obtained by the experiment was compared with the wall thickness obtained using finite element method (FEM) simulation in the simulatio
Publikováno v:
Journal of Metallic Materials. 74:9-14
The die drawing process is used as a final drawing operation, especially in the production of precise tubes of smaller diameter, while the advantage of the mentioned technology is a reduction of the drawing force and thereby also the decrease of the
Publikováno v:
Materials Science Forum. 1053:225-231
Experimental research on the process of cold tubes drawing was performed in order to obtain important information about the behaviour of the tube material in the drawing tool during the drawing to the required outer diameter of Ø12 mm. The DEFORM-3D
Publikováno v:
Defect and Diffusion Forum. 413:167-173
The present study has been undertaken to compare the microstructure of the plain carbon steel, containing 0.65 carbon, which was formed during varying isothermal and continuous cooling conditions following austenitisation at the same temperature and
Autor:
Ladislav Morovič, Eva Buranská, Ján Urminský, Róbert Sobota, Maria Kapustova, Michaela Kritikos, Martin Ridzoň
Publikováno v:
Research Papers. Faculty of Materials Science and Technology. Slovak University of Technology in Trnava, Vol 28, Iss 47, Pp 32-39 (2020)
The object of the study was to create a computer model that resembles the process of cold drawing seamless steel tubes, and evaluate the influence of selected process parameters on selected final dimensions and tolerances of STL models of the tubes o
Publikováno v:
Defect and Diffusion Forum. 400:59-64
The present study has been undertaken to replace W by Cr in as-cast HSSs using B as alloying element. For this reason, a special alloying system was suggested. The basic steel containing approximately 12 wt. % of Cr was alloyed with B, V, V and Mo in
Autor:
Martin Ridzon, Roman Kolenak, Maria Kapustova, Vladimir Simna, Róbert Sobota, Cristina Borzan, Jozef Bílik
Publikováno v:
Revista de Chimie. 71:107-112
The paper describes the structural design, simulation and proper manufacture of a tool for manufacturing of test samples in spherical form. This shape is essential for an innovative assessment of solder wettability, since the small sphere by its idea
Autor:
Jozef Bílik, Róbert Sobota, Daynier Rolando Delgado Sobrino, Maria Kapustova, Michaela Kritikos, Ladislav Morovič
Publikováno v:
Lecture Notes in Mechanical Engineering ISBN: 9783030904203
The process of tube drawing was carried out in laboratory conditions using a special drawing jig clamped in a testing machine. The aim of the performed experiment was to determine the influence of technological parameters, namely the plastic strain d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cda1eb6c17180bef2fa1e14c3774f0e6
https://doi.org/10.1007/978-3-030-90421-0_19
https://doi.org/10.1007/978-3-030-90421-0_19
Publikováno v:
HUTNIK - WIADOMOŚCI HUTNICZE. 1:28-31
Publikováno v:
Solid State Phenomena. 294:124-128
The process of cold die drawing of tubes is ranked among frequently used methods of production of seamless tubes and is performed in drawing tool which is characterized by simple design. Shape and dimensions of the drawing tool depend on tube reducti