Zobrazeno 1 - 10
of 120
pro vyhledávání: '"Jozef Zajac"'
Publikováno v:
Applied Sciences, Vol 13, Iss 13, p 7851 (2023)
From the point of view of production, it is of fundamental importance to know the cutting parameters at which the new surface of the component was created because only in this way is it possible to understand the nature and properties of the created
Externí odkaz:
https://doaj.org/article/bddbedf27760470583a3fedd4c40dd2e
Publikováno v:
Polymers, Vol 15, Iss 5, p 1198 (2023)
In the planning stage of the fabrication process of physical models of cellular structures, a surface model of the structure needs to be adjusted to acquire the requisite properties, but errors emerge frequently at this stage. The main objective of t
Externí odkaz:
https://doaj.org/article/06f4356e56df400fbc96e36e7766af16
Publikováno v:
STED Journal, Vol 1, Iss 2, Pp 13-20 (2019)
This article discusses the properties of concrete composite materials based on their contexture. Systematic and interactive approaches are required in order to achieve optimal material properties in the preparation of composite materials. In order to
Externí odkaz:
https://doaj.org/article/dc56643acf7441a4ac85c89740570e33
Publikováno v:
Metals, Vol 11, Iss 8, p 1153 (2021)
This article deals with improving the wear resistance of multilayer coatings as a fundamental problem in metal surface treatment, strengthening elements of cutting tools, and ensuring the reliability of machine parts. It aims to evaluate the wear dep
Externí odkaz:
https://doaj.org/article/770511dde74b4063b2956b6f50b6156a
Publikováno v:
Applied Sciences, Vol 11, Iss 7, p 3267 (2021)
In this study, the effect of multi-layer composite passive dampers on the dynamic properties of a mechanical system (a testing machine tool bench) was tested. Passive dampers are characterized by a layered structure, with each layer consisting of a s
Externí odkaz:
https://doaj.org/article/6f959bfeed88429181423ea9d21c0e8c
Autor:
Vitalii Ivanov, Jozef Zajac
Publikováno v:
EAI Endorsed Transactions on Industrial Networks and Intelligent Systems, Vol 4, Iss 12 (2018)
In modern manufacturing engineering, a major challenge is the contradiction between the need to reduce the time required to design and manufacture the products and the increasing complexity of product design. Today's market requires more varieties of
Externí odkaz:
https://doaj.org/article/2173e506a6784e97b4de2776fba82874
Autor:
Jan Valíček, Marta Harničárová, Andreas Öchsner, Zuzana Hutyrová, Milena Kušnerová, Hakan Tozan, Vít Michenka, Vladimír Šepelák, Dušan Mitaľ, Jozef Zajac
Publikováno v:
Materials, Vol 8, Iss 11, Pp 7401-7422 (2015)
The paper solves the problem of the nonexistence of a new method for calculation of dynamics of stress-deformation states of deformation tool-material systems including the construction of stress-strain diagrams. The presented solution focuses on exp
Externí odkaz:
https://doaj.org/article/95d39d90c3a24c9980c0b730252d1b15
Publikováno v:
Materials, Vol 12, Iss 12, p 1917 (2019)
This article explores the effect of carbon fiber content on the flexural strength of polymer concrete testing samples and compares the damping of polymer concrete and U-shaped steel profiles. The experiments involved and described herein consisted of
Externí odkaz:
https://doaj.org/article/cca84779e7fe43f5acf19dedd8b92451
Publikováno v:
International Journal of Polymer Science, Vol 2015 (2015)
The aim of this paper is to evaluate the influence of selected cutting parameters (speed of rotation and feed rate) on the surface topography of drilled WPC material. Objective of the study is to establish dependence of the surface roughness of boreh
Externí odkaz:
https://doaj.org/article/ea24582ac3f949c4b3580a869de84bdc
Autor:
Anton Panda, Kostiantyn Dyadyura, Jan Valíček, Marta Harničárová, Jozef Zajac, Vladimír Modrák, Iveta Pandová, Peter Vrábel, Ema Nováková-Marcinčínová, Zdeněk Pavelek
Publikováno v:
Materials, Vol 10, Iss 4, p 377 (2017)
The results of the investigations into the technological formation of new wear-resistant polymer composites based on polytetrafluoroethylene (PTFE) filled with disperse synthetic and natural compounds are presented. The efficiency of using PTFE compo
Externí odkaz:
https://doaj.org/article/019fb4137da64bd9a2391e0602098aac