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Author:... Ivan Stibor , Pavel Kejzlar , Alena Ševců
Data Source:[J].Nanoscale Research Letters(IF 2.524), 2017, Vol.12 (1)Springer
Abstract:The most challenging task in the preparation of magnetic poly(N-isopropylacrylamide) (Fe3O4-PNIPAAm) nanocomposites for bio-applications is to maximise their reactivity and stability. Emulsion polymerisation, in situ precipitation and physical addition were ...
Author:... V.T.P. Vinod , Pavel Kejzlar , Miroslav Černík
Data Source:[J].Journal of Magnetism and Magnetic Materials(IF 1.826), 2016, Vol.401, pp.775-783Elsevier
Abstract:Abstract(#br)The use of surfactant such as cetyl-trimethyl ammonium bromide (CTAB) in producing highly coercive SrFe 12 O 19 platelets is presented in this study. The synthesis of SrFe 12 O 19 was accomplished by co-precipitation in presence of 1 wt% CTAB. The CTAB-coated pr...
Author:Pavel Kejzlar , Petr Kratochvíl ...
Data Source:[J].Metallurgical and Materials Transactions A(IF 1.627), 2014, Vol.45 (1), pp.335-342Springer
Abstract:Abstract(#br)The structure and high-temperature mechanical properties of Fe-30 at. pct Al and Fe-25 at. pct Al alloys with various Zr contents are compared. The scanning electron microscope images in chemical contrast mode (R-BSE) as well as EDS, EBSD, and X-ray diffraction ...
Author:Pavel Kejzlar , Robert Král
Data Source:[J].Intermetallics(IF 1.857), 2011, Vol.20 (1), pp.39-46Elsevier
Abstract:Abstract(#br)The structure of four Fe–30Al alloys with different contents of Zr has been studied. Light optical microscopy (LOM), scanning electron microscopy (SEM) with EDX module, measurement of microhardness as well as X-ray diffraction (XRD) was used to determine the str...
Author:Pavel Kejzlar , Jiří Čapek ...
Data Source:[J].Materials(IF 2.247), 2019, Vol.12 (4)MDPI
Abstract:This paper reports on an investigation treating a hard-milled surface as a surface undergoing severe plastic deformation at elevated temperatures. This surface exhibits remarkable magnetic anisotropy (expressed in term of Barkhausen noise). This paper also shows that Barkhausen n...
Author:... Lukáš Voleský , Pavel Kejzlar , Miroslav Černík
Data Source:[J].Ecological Chemistry and Engineering S(IF 0.382), 2017, Vol.24 (3), pp.417-429De Gruyter
Abstract:Abstract Recently electrospinning has gained significant attention due to unique possibilities to produce novel natural nanofibers and fabrics with controllable pore structure. The present study focuses on the fabrication of electrospun fibres based on gum karaya (GK), a natural ...
Author:Pavel Kejzlar , Pavla Capkova ...
Data Source:[J].Journal of Nano Research(IF 0.341), 2018, Vol.4751, pp.78-91Trans Tech
Abstract:TiCN thin coatings with various different carbon contents were deposited using cathode arc evaporation of pure titanium in a mixture of N2 and C2H2 gasses at a constant pressure of 1.5 Pa. The analyses show a transition from a stoichiometric to a ...
Author:... Hristo Bahchedzhiev , Pavel Kejzlar , Petr Louda
Data Source:[J].Journal of Nano Research(IF 0.341), 2017, Vol.4645, pp.98-107Trans Tech
Abstract:This paper is a continuation of our previous work. The article presents an investigation of the influence of coating deposition parameters, in particular a variation with 50% of both cathodic arc current and bias voltage, on the mechanical and tribological properties of TiCN...
Author:Pavel Kejzlar , Mária Čilliková
Data Source:[J].Transactions of FAMENA(IF 0.232), 2016, Vol.39 (4)Hrcak
Abstract:This paper deals with the application of the Barkhausen noise technique in the nondestructive monitoring of hard milled surfaces. The paper discusses strong magnetic anisotropy linked with microstructural transformations of a machined surface with regard to variable flank wear of...
Author:Pavel Kejzlar , Michał Szczypiński ...
Data Source:[J].BioMed Research International, 2018, Vol.2018Hindawi
Abstract:Reduced friction and wear of materials after the use of the carbon nanomaterials including nanodiamonds (NDs) have been confirmed by several studies in material engineering. Mechanical cleaning of the tooth surface by brush bristles should leave as little tissue roughened as...

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