• THE CHARACTERIZATION OF ANODIC OXIDE LAYERS ON SELECTED BIO-COMPATIBLE TITANIUM ALLOYS 

      Autor: Krčil , Jan; Mára , Vladimír; Krum , Stanislav; Sobotová , Jana
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Oxide layers on titanium alloy surfaces have an influence on bio-compatibility and corrosion resistance. In order to improve them, properties of oxide layers are examined. The oxide layer can be prepared by different methods ...
    • THE EFFECT OF DIFFERENT FORMS OF OXYGEN ON PROPERTIES OF BETA TITANIUM ALLOYS 

      Autor: Málek , Jaroslav; Hnilica , František; Bartáková , Sonia; Míka , Patrik; Veselý , Jaroslav
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The beta-titanium alloys are widely used in many applications (medicine, aerospace industry etc.) due to their superior properties, such as corrosion resistance, biocompatibility and high strength to weight ratio. One of ...
    • THE INFLUENCE OF CUTTING CONDITIONS ON THE SELECTED PARAMETERS OF THE SURFACE INTEGRITY 

      Autor: Čep , Robert; Malotová , Šárka; Lichovník , Jiří; Hatala , Michal; Legutko , Stanislaw
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The article deals with an investigation of residual stress in machined surface under conditions of high-feed milling and determination of the influence of machining conditions on the size and types of stress resulting from ...
    • THE INFLUENCE OF SILVER NANOPARTICLES SYNTHESIS ON THEIR PROPERTIES 

      Autor: Mražíková , Anna; Velgosová , Oksana; Kavuličová , Jana; Krum , Stanislav; Málek , Jaroslav
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Application of green methods to replace physical and chemical methods for synthesis of silver nanoparticles (AgNPs) has become necessary not only from economic aspect but especially due to its significant impact on ecosystem. ...
    • THE TIME DIFFERENCE IN EMISSION OF LIGHT AND PRESSURE PULSES FROM OSCILLATING BUBBLES 

      Autor: Vokurka , Karel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Oscillations of spark-generated bubbles are studied experimentally. In this work, an attention is paid to the time difference in the radiation of light flashes and pressure pulses from a bubble at the final stages of the ...
    • THE USE OF DEM SIMULATION FOR CONFIRMING THE PROCESS OF PARTICULATE MATERIAL MIXING 

      Autor: Peciar , Peter; Macho , Oliver; Fekete , Roman; Peciar , Marián
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      At the present time in the research of particulate materials, computer methods that work independently with individual particles are coming to the forefront. One such method is the Discrete Element Method – DEM, which is ...
    • THERMOCHEMICAL CALCULATIONS USING SERVICEORIENTED ARCHITECTURE IN THE WEB SERVICE FORM 

      Autor: Horovčák , Pavel; Terpák , Ján
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The subject of this article is the service-oriented architecture utilization in the design and implementation of a web service that is intended to perform selected thermochemical calculations for chemical reactions. Computing ...
    • ULTRA-HIGH-PERFORMANCE FIBRE-REINFORCED CONCRETE UNDER HIGH-VELOCITY PROJECTILE IMPACT - PART 2. APPLICABILITY OF PREDICTION MODELS 

      Autor: Kravanja , Sebastjan; Sovják , Radoslav
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Semi-infinite targets of Ultra-High-Performance Fibre-Reinforced Concrete with various fibre volume fractions were subjected to the high-velocity projectile impact using in-service bullets. In this study, a variety of ...
    • ULTRA-HIGH-PERFORMANCE FIBRE-REINFORCED CONCRETE UNDER HIGH-VELOCITY PROJECTILE IMPACT. PART I. EXPERIMENTS 

      Autor: Kravanja , Sebastjan; Sovják , Radoslav
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      A series of cratering experiments were performed where the response of the Ultra-High-Performance Fibre-Reinforced Concretes with various fibre volume fractions to the high- velocity projectile impact loading was investigated. ...
    • UPDATED VERSION OF THE SIMPLIFIED MODEL OF INTENSIVELY BLASTED ELECTRIC ARC 

      Autor: Senk , Josef; Laznickova , Ilona; Jakubova , Ivana
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The article deals with an improvement of a simplified model of intensively blasted electric arc burning in argon in an anode channel of a modular-type arc heater. Gradually gained experience in the application of the model ...
    • VERIFICATION OF BEHAVIOUR OF HUMAN ENAMEL FOR FRACTURE TOUGHNESS DETERMINATION 

      Autor: Hájková , Petra; Jíra , Aleš; Řehounek , Luboš
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      Enamel is the hardest biological tissue in the human body because of its structureand composition. The structure of interlocking rods enables this biomaterial to resist the stresses of mastication. Unfortunately, enamel ...
    • WEAR BEHAVIOUR OF VANES FOR A ROTARY VANE EXPANDER WITH VARIOUS GRAPHITE MATERIALS UNDER DRY SLIDING CONDITIONS 

      Autor: Vodička , Václav; Novotný , Václav; Mascuch , Jakub
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      This study presents tribological properties of various graphite materials of vanes for rotary vane expanders. A test device was developed in order to measure the wear and power dissipation under conditions similar to a ...
    • ŽAMPA’S SYSTEMS THEORY: A COMPREHENSIVE THEORY OF MEASUREMENT IN DYNAMIC SYSTEMS 

      Autor: Rychtáriková , Renata; Urban , Jan; Štys , Dalibor
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2018)
      The article outlines in memoriam Prof. Pavel Žampa’s concepts of system theory which enable us to devise a measurement in dynamic systems independently of the particular system behaviour. From the point of view of Žampa’s ...