• Computational Approaches of Quasi-Static Compression Loading of SS316L Lattice Structures Made by Selective Laser Melting 

  Červinek, Ondřej; Werner, Benjamin; Koutný, Daniel; Vaverka, Ondřej; Pantělejev, Libor; Paloušek, David (MDPI, 2021-05-10)

  Additive manufacturing methods (AM) allow the production of complex-shaped lattice structures from a wide range of materials with enhanced mechanical properties, e.g., high strength to relative density ratio. These structures ...

• Case Study of Polyvinylidene Fluoride Doping by Carbon Nanotubes 

  Kaspar, Pavel; Sobola, Dinara; Částková, Klára; Dallaev, Rashid; Šťastná, Eva; Sedlák, Petr; Knápek, Alexandr; Trčka, Tomáš; Holcman, Vladimír (MDPI, 2021-03-15)

  Modern material science often makes use of polyvinylidene fluoride thin films because of various properties, like a high thermal and chemical stability, or a ferroelectric, pyroelectric and piezoelectric activity. Fibers ...

• The Effect of the Thermosensitive Biodegradable PLGA–PEG–PLGA Copolymer on the Rheological, Structural and Mechanical Properties of Thixotropic Self-Hardening Tricalcium Phosphate Cement 

  Vojtová, Lucy; Michlovská, Lenka; Valová, Kristýna; Zbončák, Marek; Trunec, Martin; Částková, Klára; Krtička, Milan; Pavliňáková, Veronika; Poláček, Petr; Dzurov, Matej; Lukášová, Věra; Rampichová, Michala; Suchý, Tomáš; Sedláček, Radek; Ginebra, Maria-Pau; Montufar Jimenez, Edgar Benjamin (MDPI, 2019-01-17)

  The current limitations of calcium phosphate cements (CPCs) used in the field of bone regeneration consist of their brittleness, low injectability, disintegration in body fluids and low biodegradability. Moreover, no method ...

• Luminescent Er3+doped transparent alumina ceramics 

  Drdlíková, Katarina; Klement, Róbert; Drdlík, Daniel; Spusta, Tomáš; Galusek, Dušan; Maca, Karel (Elsevier, 2017-07-01)

  We report on successful preparation of Er3+doped transparent alumina (0.1–0.17 at.%) exhibiting visible light photoluminescence using wet shaping method and hot isostatic pressing. The effects of dopantamount, type of ...

• Optical, mechanical and fractographic response of transparent alumina ceramics on erbium doping 

  Drdlík, Daniel; Drdlíková, Katarina; Hadraba, Hynek; Maca, Karel (Elsevier, 2017-11-01)

  Alumina ceramics found their utilisation in many applications which can be further extend by attaining functional properties; in our case the transparency obtained through precise processing and photoluminescence due to ...

• Formation conditions of vortex-like intermixing interfaces in cold spray 

  Yin, Shuo; Čížek, Jan; Čupera, Jan; Hassani, Mostafa; Xiaotao, Luo; Jenkins, Richard; Xie, Yingchun; Wenya, Li; Lupoi, Rocco (Elsevier, 2021-02-15)

  Experimental investigation was conducted to explore the formation conditions and provide new insights into the formation mechanisms of the unexplained intermixing phenomenon observed at the substrate-coatings interface of ...

• Thin TiO2Coatings by ALD Enhance the Cell Growth on TiO2Nanotubular and Flat Substrates 

  Motola, Martin; Čapek, Jan; Zazpe Mendioroz, Raúl; Bačová, Jana; Hromádko, Luděk; Brůčková, Lenka; Ng, Siow Woon; Handl, Jiří; Spotz, Zdeněk; Knotek, Petr; Baishya, Kaushik; Majtnerová, Pavlína; Přikryl, Jan; Sopha, Hanna Ingrid; Roušar, Tomáš; Macák, Jan (American Chemical Society, 2020-09-21)

  The present work exploits Ti sheets and TiO2 nanotube (TNT) layers and their surface modifications for the proliferation of different cells. Ti sheets with a native oxide layer, Ti sheets with a crystalline thermal oxide ...

• Laser-induced crystallization of anodic TiO(2)nanotube layers 

  Sopha, Hanna Ingrid; Mirza, Inam; Turčičová, Hana; Pavliňák, David; Michalička, Jan; Krbal, Miloš; Rodriguez Pereira, Jhonatan; Hromádko, Luděk; Novák, Ondřej; Mužík, Jiří; Smrž, Martin; Kolíbalová, Eva; Goodfriend, Nathan; Bulgakova, Nadezhda; Mocek, Tomáš; Macák, Jan (Royal Society of Chemistry, 2020-06-09)

  In this study, crystallization of amorphous TiO(2)nanotube (TNT) layers upon optimized laser annealing is shown. The resulting anatase TNT layers do not show any signs of deformation or melting. The crystallinity of the ...

• Poling procedures and piezoelectric response of (Ba0.85Ca0.15Zr0.1T0.9)O-3 ceramics 

  Bijalwan, Vijay; Sokolov, Ilya; Tofel, Pavel (Taylor & Francis, 2020-12-23)

  The goal of the current report was to find the optimal poling conditions: poling field, poling time and poling temperature for lead-free (Ba0.85Ca0.15Zr0.1T0.9)O-3 ceramic. It has been noticed that the low poling field (< ...

• Properties of BaTiO3/Al2O3 Laminate Structure by Nanoindentation 

  Chlup, Zdeněk; Drdlík, Daniel; Fides, Martin; Kovalčíková, Alexandra; Hadraba, Hynek (Elsevier, 2020-02-19)

  The proposed material design of BaTiO3/Al2O3/ZrO2 laminate structure predetermined for energy harvesters taking advantage of residual stresses developed during processing was prepared by electrophoretic deposition. The ...

• Characterization of Polyvinylidene Fluoride (PVDF) Electrospun Fibers Doped by Carbon Flakes 

  Kaspar, Pavel; Sobola, Dinara; Částková, Klára; Knápek, Alexandr; Burda, Daniel; Orudzhev, Farid; Dallaev, Rashid; Tofel, Pavel; Trčka, Tomáš; Grmela, Lubomír; Hadaš, Zdeněk (MDPI, 2020-11-24)

  Polyvinylidene fluoride (PVDF) is a modern polymer material used in a wide variety of ways. Thanks to its excellent resistance to chemical or thermal degradation and low reactivity, it finds use in biology, chemistry, and ...

• Magnetic and Magneto-Optical Properties of Fe75-xMn25Gax Heusler-like Compounds 

  Král, Daniel; Beran, Lukáš; Zelený, Martin; Zemen, Jan; Antoš, Roman; Hamrle, Jaroslav; Zázvorka, Jakub; Rameš, Michal; Onderková, Kristýna; Heczko, Oleg; Veis, Martin (MDPI, 2020-02-04)

  Fe75-xMn25Gax Heusler-like compounds were investigated in a wide range of Fe/Ga ratios while keeping the Mn content constant and equal 25 at% in order to elucidate the interplay between magnetic properties and composition. ...

• Electron Localizations in Alloy Exhibiting Nanotwinning 

  Zelený, Martin; Zemen, Jan; Veis, Martin; Král, Daniel; Straka, Ladislav; Heczko, Oleg (MDPI, 2019-09-05)

  In present work we have used firstprinciples calculations based on density functional theory (DFT) to simulate magneto-optical (MO) Kerr spectra for different phases of Ni2MnGa alloy: austenite, nonmodulated martensite ...

• The Origins of High-Entropy Alloy Contamination Induced by Mechanical Alloying and Sintering 

  Moravčík, Igor; Kubíček, Antonín; Moravčíková de Almeida Gouva, Larissa; Adam, Ondřej; Kaňa, Václav; Pouchlý, Václav; Záděra, Antonín; Dlouhý, Ivo (MDPI, 2020-09-03)

  One of the prevailing problems for materials produced by powder metallurgy is contamination from various sources. This work deals with the influence of process parameters and presence of process control agents (PCA) on the ...

• Influence of Hydroxyapatite Nanoparticles and Surface Plasma Treatment on Bioactivity of Polycaprolactone Nanofibers 

  Šťastná, Eva; Částková, Klára; Ráheĺ, Jozef (MDPI, 2020-08-20)

  Nanofibers are well known as a beneficial type of structure for tissue engineering. As a result of the high acquisition cost of the natural polymers and their environmentally problematic treatment (toxic dissolution agents), ...

• Wear of grinding rotors with thermally-sprayed coatings in a high-speed mill 

  Tkachenko, Serhii; Dvořák, Karel; Jech, David; Slámečka, Karel; Klakurková, Lenka; Paloušek, David; Čelko, Ladislav (Elsevier, 2018-10-15)

  In this paper, the erosion behavior of three types of protective thermally-sprayed coatings and non-coated substrate steel was investigated under semi-industrial test conditions using a laboratory high-speed pin mill DESI-11. ...

• Structure–Properties Relationship of Electrospun PVDF fibers 

  Částková, Klára; Kaštyl, Jaroslav; Sobola, Dinara; Petruš, Josef; Šťastná, Eva; Říha, David; Tofel, Pavel (MDPI, 2020-06-23)

  Electrospinning as a versatile technique producing nanofibers was employed to study the influence of the processing parameters and chemical and physical parameters of solutions on poly(vinylidene fluoride) (PVDF) fibers’ ...

• TiO2 Nanotube Layers Decorated with Al2O3/MoS2/Al2O3 as Anode for Li-ion Microbatteries with Enhanced Cycling Stability 

  Tesfaye, Alexandr T.; Sopha, Hanna Ingrid; Ayobi, Angela; Zazpe Mendioroz, Raúl; Rodriguez-Pereira, Jhonatan; Michalička, Jan; Hromádko, Luděk; Ng, Siow Woon; Spotz, Zdeněk; Přikryl, Jan; Macák, Jan; Djenizian, Thierry (MDPI, 2020-05-01)

  TiO2 nanotube layers (TNTs) decorated with Al2O3/MoS2/Al2O3 are investigated as a negative electrode for 3D Li-ion microbatteries. Homogenous nanosheets decoration of MoS2, sandwiched between Al2O3 coatings within ...

• Derivation of losses from impedance spectrum for contour modes of ceramic resonator 

  Erhart, Jiří; Bijalwan, Vijay; Solař, Filip; Maca, Karel (Taylor & Francis, 2020-04-02)

  Method of loss coefficients calculation from mechanical quality factors of transversal vibration modes is presented. Theoretical formulae are derived for the contour mode of thin square plate and width extensional mode of ...

• Self-supported sulphurized TiO2nanotube layers as positive electrodes forlithium microbatteries 

  Salian, Girish D.; Krbal, Miloš; Sopha, Hanna Ingrid; Lebouin, Chrystelle; Coulet, Marie-Vanessa; Michalička, Jan; Hromádko, Luděk; Tesfaye, Alexandr T.; Macák, Jan; Djenizian, Thierry (Elsevier, 2019-09-01)

  We report the synthesis and characterization of self-supported sulphurized TiO2 nanotube layers as a cathode material for Li microbatteries. Sulphurized TiO2 nanotubes were obtained by annealing of selfsupported TiO2 ...

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