Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Peter Šugár"'
Publikováno v:
Bioengineering, Vol 10, Iss 12, p 1406 (2023)
In this study, the surface laser treatment of a new type of dental biomaterial, a Ti-graphite composite, prepared by low-temperature powder metallurgy, was investigated. Different levels of output laser power and the scanning speed of the fiber nanos
Externí odkaz:
https://doaj.org/article/1f713c0ce6bb49d4b9cd2662b07c1a29
Publikováno v:
Advances in Sciences and Technology, Vol 12, Iss 3, Pp 10-15 (2018)
In this study the relation between laser beam machining parameters and machined surface quality, applying nanosecond pulsed ytterbium fibre laser (wavelenght 1064 nm, maximal average output power 100 W) and aluminium bronze (AMPCO 25®) as working ma
Externí odkaz:
https://doaj.org/article/43ed8c029e914a7fa841256a8b7bf1ee
Publikováno v:
Advances in Sciences and Technology, Vol 12, Iss 1, Pp 181-193 (2018)
The morphological texturing of forming tool surfaces has high potential to reduce friction and tool wear and also has impact on the surface layers properties of formed material. In order to understand the effect of different types of tool textures, p
Externí odkaz:
https://doaj.org/article/a08d24e90f3e464d80bf36c29f1a70c7
Publikováno v:
Tehnički Vjesnik, Vol 25, Iss 5, Pp 1467-1471 (2018)
The paper brings the results of surface finish analysis of formed parts produced by CNC multi-pass conventional metal spinning. The influence of mandrel speed, spinning roller feed and workpiece geometry on the surface finish of formed parts made of
Externí odkaz:
https://doaj.org/article/30c1305a30f246649c91f7d0fc89ff5b
Autor:
Peter Šugár, Barbora Ludrovcová, Marie Hubálek Kalbáčová, Jana Šugárová, Martin Sahul, Jaroslav Kováčik
Publikováno v:
Materials, Vol 14, Iss 20, p 6067 (2021)
The paper examines the surface functionalization of a new type of Ti-graphite composite, a dental biomaterial prepared by vacuum low-temperature extrusion of hydrogenated-dehydrogenated titanium powder mixed with graphite flakes. Two experimental sur
Externí odkaz:
https://doaj.org/article/205ccc320f0f4c11a62cb5debdbd0514
Autor:
Miroslav Neslušan, Jana Šugárová, Petr Haušild, Peter Minárik, Jiří Čapek, Michal Jambor, Peter Šugár
Publikováno v:
Metals, Vol 11, Iss 3, p 429 (2021)
This paper investigates the sensitivity of the Barkhausen noise technique against strain-induced martensite in AISI 321 austenitic stainless steel. Martensite transformation was induced by the uniaxial tensile test, and a variable martensite fraction
Externí odkaz:
https://doaj.org/article/82c79e9c068d4ed9a7d7f1ecba9d774e
Publikováno v:
Materials, Vol 13, Iss 10, p 2312 (2020)
Biocompatible materials with excellent mechanical properties as well as sophisticated surface morphology and chemistry are required to satisfy the requirements of modern dental implantology. In the study described in this article, an industrial-grade
Externí odkaz:
https://doaj.org/article/17680ec304994467aa5bd58e8913bdf4
Autor:
Jaroslav Kováčik, Natália Mináriková, Tomáš Dvorák, Jose Rodríguez, Inmaculada Cañadas, Klaled Saleh Al-Athel, Peter Šugár, Jana Šugárová, Štefan Emmer
Publikováno v:
ChemEngineering, Vol 3, Iss 4, p 84 (2019)
The applicability of concentrated solar power for metallurgy of titanium is discussed based on preliminary experimental works performed at Plataforma Solar de Almeria Spain, using solar furnace SF40 under protective argon atmosphere. As a starting ma
Externí odkaz:
https://doaj.org/article/23c11b36748a49cf9847cd73e7f4f5ed
Publikováno v:
Materials, Vol 12, Iss 14, p 2246 (2019)
The paper deals with the experimental study of laser beam micromachining of the powder metallurgy processed Ti compacts applying the industrial grade fibre nanosecond laser operating at the wavelength of 1064 nm. The influence of the laser energy den
Externí odkaz:
https://doaj.org/article/14afc0dafa614bae81902b964bf3d89e
Autor:
Jaroslav KOVÁČİK, štefan EMMER, José RODRIGUEZ, Inmaculada CAÑADAS, Peter ŠUGÁR, Jana ŠUGÁROVÁ, Barbora BOČÁKOVÁ, Naďa BERONSKÁ
Publikováno v:
European Mechanical Science. 7:63-69
Titanium and its composites are widely used in implants of bones and teeth. Besides mechanical properties also surface characteristics are very important in these biomaterials. Very important are properties such as surface topography, roughness, chem