A new approach for the determination of technological parameters for hydroabrasive cutting of materials: Ein neuer Ansatz zur Ermittlung der technologischen …

J Valíček, M Harničárová, I Hlavatý… - Materialwissenschaft …, 2016 - Wiley Online Library
Es wird ein Verfahren für den Entwurf einer Technologie für das Wasserstrahlschneiden von
Materialien vorgestellt, das auf der Bestimmung der Konstanten der Schneidbarkeit von …

Mechanism of creating the topography of an abrasive water jet cut surface

J Valíček, M Harničárová, A Panda, I Hlavatý… - Machining, joining and …, 2016 - Springer
The development and application of new materials brings, in connection with their
technological machining, a number of new questions. Classical methods of machining are …

Study of the influence of the structural grain size on the mechanical properties of technical materials

M Harničárová, J Valíček, M Kušnerová… - Materialwissenschaft …, 2019 - Wiley Online Library
The mechanical properties of technical materials depend on their structure. They are
influenced not only by their chemical composition, but particularly by the structural grain …

Predicting residual and flow stresses from surface topography created by laser cutting technology

M Harničárová, J Valíček, A Öchsner, R Grznárik… - Optics & Laser …, 2013 - Elsevier
The paper deals with the engineering method for laser cutting technology that utilizes stress
equations derived from surface topography for determining residual stresses. It presents an …

Structural and Mechanical Changes of AlMgSi0.5 Alloy during Extrusion by ECAP Method

M Harničárová, J Valíček, M Kušnerová, I Kopal… - Materials, 2022 - mdpi.com
SPD (several plastic deformations) methods make it possible to obtain an ultrafine-grained
structure (UFG) in larger volumes of material and thus improve its mechanical properties …

Analysis and comparison of production parameters of additive technologies in the construction of objects based on metals using the ADAM and SLM methods

V Bechný, A Czán, J Holubják, T Czánová… - AIP Conference …, 2023 - pubs.aip.org
The research deals with innovative technologies and an additive process based on metals
in mechanical engineering. Two methods of additive production were applied in the solution …

A New Method of Predicting the Structural and Mechanical Change of Materials during Extrusion by the Method of Multiple Plastic Deformations

M Harničárová, J Valíček, M Kušnerová, Z Palková… - Materials, 2021 - mdpi.com
The formulation of the Hall–Petch relationship in the early 1950s has raised immense
interest in studying the influence of the grain size of solid materials on their properties. Grain …

Contribution to the thermal properties of selected steels

P Jonšta, I Vlčková, L Krišták, I Špička, Z Jonšta - Metalurgija, 2015 - hrcak.srce.hr
Sažetak The paper deals with the influence of structural changes on heat transport
phenomena of steels samples. Three samples of 10GN2MFA steel were thermally treated at …

Implementation of a recycled Polypropylene homopolymer material for use in Additive Manufacturing

J Dobránsky, M Pollák, L Běhálek, J Svetlík - Sustainability, 2021 - mdpi.com
The main objective of the presented scientific article is to define the mechanical properties of
polypropylene homopolymer with a prescribed percentage ratio of recycled granulate. The …

Evaluation of fatigue life of steel using steel grain size: Evaluation der Ermüdung von Stahl in Abhängigkeit der Korngröße

R Owsiński, S Kamiński, M Szymaniec… - Materialwissenschaft …, 2015 - Wiley Online Library
The insightful discussion of the relationship between the construction of metallographic and
fatigue life and proposition of mathematical relationships describing this relationship was …