Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Janka Majerníková"'
Autor:
Emil Spišák, Ema Nováková-Marcinčínová, Janka Majerníková, Peter Mulidrán, Ľudmila Nováková-Marcinčínová
Publikováno v:
Polymers, Vol 15, Iss 24, p 4639 (2023)
This article is focused on a mechanical properties investigation of three types of sustainable poly lactic acid materials manufactured using the fused filament fabrication process. The purpose of this work was to study the impact of printing strategi
Externí odkaz:
https://doaj.org/article/94dc53796e2743f281ae3d7489a17f80
Autor:
Emil Spišák, Ema Nováková-Marcinčínová, Ľudmila Nováková-Marcinčínová, Janka Majerníková, Peter Mulidrán
Publikováno v:
Polymers, Vol 15, Iss 13, p 2757 (2023)
This article examines the mechanical properties and compatibility of selected composite materials produced with RP technology and the FFF—fused filament fabrication process. The article scales sophisticated modern materials based on PLA—polylacti
Externí odkaz:
https://doaj.org/article/047fcbc1ea2f49f1bdc00cf9845c7cc0
Autor:
Peter Mulidrán, Emil Spišák, Miroslav Tomáš, Janka Majerníková, Jana Bidulská, Róbert Bidulský
Publikováno v:
Materials, Vol 16, Iss 2, p 811 (2023)
Formability and its prediction of high-strength steels is an important research subject for forming specialists and researchers in this field. Springback and its accurate prediction of high-strength steels are very common issues in metal forming proc
Externí odkaz:
https://doaj.org/article/dad7481874df441dba6d4d5793341209
Publikováno v:
Applied Sciences, Vol 12, Iss 8, p 3853 (2022)
This study investigates how layer deposition in printing 3D models made of polyetherimide (PEI) using the fused filament fabrication (FFF) technique affects resistance of these models to abrasive wear. Samples made by additive manufacturing with diff
Externí odkaz:
https://doaj.org/article/a5012bf5736845d0af5578426453f1f5
Publikováno v:
Advances in Sciences and Technology, Vol 12, Iss 4, Pp 28-34 (2018)
During the processing of the thin packaging sheets by drawing, thickness of the material changes and so does the thickness of tin layer, this has an influence on the corrosion resistance. Change in material thickness of the cylindrical cups without a
Externí odkaz:
https://doaj.org/article/9792431ed9f344299b744b24572cf790
Autor:
Emil Spišák, Janka Majerníková, Ľuboš Kaščák, Peter Mulidrán, Vladimír Rohaľ, Róbert Bidulský
Publikováno v:
Materials, Vol 15, Iss 6, p 2299 (2022)
To design a reliable forming process it is necessary to determine the mechanical and formability properties of the processed material, which are used as input parameters for forming simulations. High-strength steel is irreplaceable as a material for
Externí odkaz:
https://doaj.org/article/3b80c81f4910480fbfadf6d293f06faa
Publikováno v:
Advances in Sciences and Technology, Vol 12, Iss 3, Pp 168-172 (2018)
The paper deals with the forming analysis of continuously annealed steel sheets double reduced. Six different sheet metal grades were evaluated in the paper, thickness was in the range from 0.15 to 0.175 mm. Described are the used methods and the res
Externí odkaz:
https://doaj.org/article/032d9f33b0e948379f9c230acdd96a56
Publikováno v:
Advances in Sciences and Technology, Vol 12, Iss 1, Pp 162-170 (2018)
Nowadays, there are several reasons for the utilization of the sheets made of the aluminum in the car body production. Besides decreasing the car body weight, there is a need to reduce the fuel consumption of the vehicle as well as the environmental
Externí odkaz:
https://doaj.org/article/62d171f1fba34cba91477796c017723f
Publikováno v:
Advances in Sciences and Technology, Vol 10, Iss 32, Pp 248-253 (2016)
In this contribution there have been evaluated properties of four types of sheets made from aluminium alloys. In the case of each of the examined sheets there has been checked its shearing ability via the influence of punch-die clearance change on th
Externí odkaz:
https://doaj.org/article/9a89bf49907a4025b3a49100459a5630
Autor:
Peter Horňák, Daniel Kottfer, Karol Kyzioł, Marianna Trebuňová, Janka Majerníková, Łukasz Kaczmarek, Jozef Trebuňa, Ján Hašuľ, Miroslav Paľo
Publikováno v:
Materials, Vol 13, Iss 16, p 3576 (2020)
The present work studies the tungsten carbide (WC/C) coatings deposited by using Plasma Enhanced Chemical Vapor Deposition (PECVD), with and without gases of Ar and N2. Volatile hexacarbonyl of W was used as a precursor. Their mechanical and tribolog
Externí odkaz:
https://doaj.org/article/fa19ae3ff7dc43e4aff95f694953ab80