Browsing Publikace 2016 by Issue Date

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Browsing Publikace 2016 by Issue Date

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  • Use of composite materials for FDM 3D print technology 
    Šafka, Jiří; Ackermann, Michal; Bobek, Jiří; Seidl, Martin; Habr, Jiří; Běhálek, Luboš (Trans Tech Publications LtdTechnical University of Liberec, 2016)
    This article deals with specific polymer composites modified for the Fused Deposition Modeling (FDM) which is a 3D print technology. These two phase systems involve thermoplastic matrix filled with natural fibres. The ...
  • Selective laser melting technology and manufacturing of accurate thin structures 
    Ackermann, Michal; Šafka, Jiří; Voleský, Lukáš (Trans Tech Publications LtdTechnical University of Liberec, 2016)
    This paper deals with finding the building parameters for manufacturing of fine structures with regard to their size precision and structural consistency. Practical use of these structures can be found in areas such as ...
  • Dynamic-mechanical properties of polymer composites with the short and long glass fibers 
    Lenfeld, Petr; Běhálek, Luboš; Borůvka, Martin; Průšek, Jan (Trans Tech Publications LtdTechnical University of Liberec, 2016)
    Nowadays the use of glass fibers in development of polymer composites creates a very interesting research area aiming to achieve multiple outputs to different applications. The use of thermoplastic composites reinforced ...
  • Using contactless scanning for quality control of automotive parts 
    Mendřický, Radomír (Trans Tech Publications LtdTechnical University of Liberec, 2016)
    The article presents the research of use of modern 3D measurement contact-less methods for quality inspection in automotive industry production. Experience with measuring parts and functional assemblies of complex shape ...
  • Optimal cutting conditions for surface finishing of parts made of photopolymers 
    Keller, Petr (Trans Tech Publications LtdTechnical University of Liberec, 2016)
    The article deals with finishing parts manufactured by means of PolyJet 3D Printing additive technology using Objet500 Connex made of polymers with trade names "Vero White Plus" and "Digital ABS". A turning technology on ...
  • Application of 3D printing for specific tools 
    Zelený, Petr; Váňa, Tomáš; Stryal, Jaroslav (Trans Tech Publications LtdTechnical University of Liberec, 2016)
    This article describes possibilities of utilizing 3D printing technologies for production of specific tools for sheet metal forming which would help to simplify and accelerate manufacturing of prototypes for the electronic ...
  • The usage of nonwoven nanofibers for improving properties of electrical insulation 
    Polanský, Radek; Prosr, Pavel; Pihera, Josef; Džugan, Tomáš; Zemanová, Monika; Chvojka, Jiří (University of West Bohemia, Faculty of Electrical Engineering, Regional Innovation Centre for Electrical Engineering, Univerzitní 8, Pilsen, Czech Republic; University of West Bohemia, Faculty of Electrical Engineering, Department of Technologies and Measurement, Univerzitní 8, Pilsen, Czech Republic; Technical University of Liberec, Department of Machinery Construction, Laboratory of Nanofiber and Nanosurface Preparation, Studentská 1402/2, Liberec, Czech RepublicInstitute of Electrical and Electronics Engineers Inc.enAnnu. Rep. Conf. Electr. Insul. Dielectr. Phenom. CEIDP, 2016)
    The nonwovens and nanofibers as a new material for possible improving properties of electrical insulation are introduced in this paper. Nanofibers were used to modify a commonly used two-component like mica-based high ...
  • Influence of different coupling agent type on processibility and applicability of polymer composites 
    Seidl, Martin; Habr, Jiří; Běhálek, Luboš; Šafka, Jiří; Ackermann, Michal; Bobek, Jiří (Trans Tech Publications LtdTechnical University of Liberec, 2016)
    The contribution deals with the processibility and applicability of polymer composite systems based on polypropylene matrix. The composites were filled with vegetable fibres (particularly the cotton fibres, coir fibres, ...
  • Effect of dielectric barrier discharge plasma surface treatment on the properties of pineapple leaf fiber reinforced poly(Lactic acid) Biocomposites 
    Borůvka, Martin; Ngaowthong, Chakaphan; Běhálek, Luboš; Habr, Jiří; Lenfeld, Petr (Trans Tech Publications LtdTechnical University of Liberec, 2016)
    Plant source-based stiff fiber reinforced bioplastics based on natural plant derived substances show promise of providing degradation back into the environment when they are no longer needed. These "green" composites have ...
  • Laboratory tasks and material and safety aspects 
    Pelantová, Věra; Kretschmerová, Lenka (Trans Tech Publications LtdTechnical University of Liberec, 2016)
    Manufacturing organisations deal with the measurement of various kinds and other types of laboratory tasks often during their production. However, employees should have learned already the laboratory preparation from ...
  • Analysis of parameters with influence on material shrinkage PLA and PLLA 
    Janošová, M; Lenfeld, Petr (Trans Tech Publications LtdTechnical University of Liberec, 2016)
    The Paper deals with problematics of analysis of shrinkage biodegradable polymer materials PLA and PLLA in consequence with setup of parameters. Samples for analysis were prepared by technology of injection molding with ...
  • Examining the relationship between forces during stereolithography 3D printing and geometric parameters of the model 
    Kovalenko, Iaroslav; Garan, Maryna; Shynkarenko, Andrii; Zelený, Petr; Šafka, Jiří (EDP SciencesTechnical University of Liberec, Department of Manufacturing Systems and Automation, Studentska 1402/2, Liberec, Czech Republic, 2016)
    In the case of stereolithography 3D printing technology, detaching formed model from the tank with photopolymer is a lengthy process. Forces, which appear during removing of solid photopolymer layerformed in stereolithography ...
  • The combination of meltblown technology and electrospinning - The influence of the ratio of micro and nanofibers on cell viability 
    Erben, Jakub; Jenčová, Věra; Chvojka, Jiří; Blažková, Lenka; Strnadová, Kateřina; Modrak, Miroslav, Košťáková Kuželová Eva (ElsevierTechnical University of Liberec, Czech Republic, 2016)
    This study describes the production, testing and characterization of biodegradable scaffolds for bone tissue, which consist of the exact ratio of meltblown microfibers and nanofibers produced through the electrostatic ...
  • Construction of a special mobile robot that uses a special travelling wheel 
    Brabec, Pavel; Voženílek, Robert; Záda, Václav; Beran, Leoš (EDP SciencesTechnical University of Liberec, Studentská 2, Liberec 1, Czech Republic, 2016)
    This paper deals with the engineering design of a solution of a mobile robot that uses a special travelling wheel for transmission of motive power onto a surface. It further explains the principle of a vehicle travelling ...
  • Stability simulation of a vehicle with wheel active steering 
    Brabec, Pavel; Voženílek, Robert; Lachman, Martin (EDP SciencesTechnical University of Liberec, Studentská 2, Liberec 1, Czech Republic, 2016)
    This paper deals with the possibility of increasing the vehicle driving stability at a higher speed. One of the ways how to achieve higher stability is using the 4WS system. Mathematical description of vehicle general ...
  • Thermal degradation of the thermoplastic Elastomers during the injection Moulding process 
    Běhálek, Luboš; Habr, Jiří; Seidl, Martin; Lenfeld, Petr; Borůvka, Martin (Trans Tech Publications LtdTechnical University of Liberec, 2016)
    The thermal degradation of the thermoplastic elastomers (TPEs) during the injection moulding process – depending on the melt temperature and residence time of the processed material within the barrel of the injection unit, ...
  • Investigation on thermo-physiological and compression characteristics of weft-knitted 3D spacer fabrics 
    Arumugam, Veerakumar; Mishra, Rajesh; Militký, Jiří; Salačová, Jana (Taylor and Francis Ltd.Technical University of Liberec, 2016)
    The thermo-physiological comfort and compression properties of knitted spacer fabrics have been evaluated by varying the different spacer fabric parameters. Air permeability and water vapor transmission of the fabrics were ...
  • The Effect of Carbon Additions on the Creep Resistance of Fe-25Al-5Zr Alloy 
    Dobeš, Ferdinand; Vodičková, Věra; Veselý, Jozef; Kratochvíl, Petr (2016)
    Creep experiments were conducted on Fe-25 at. pct Al-5 at. pct Zr alloy with carbon additions at the temperatures of 973 K and 1173 K (700 °C and 900 °C). The alloys were tested in two different states: (i) cast and (ii) ...
  • Partial discharges of nonwoven nanofibers composite 
    Pihera, Josef; Polanský, Radek; Zemanová, Monika; Prosr, Pavel; Chvojka, Jiří (University of West Bohemia, Faculty of Electrical Engineering, Regional Innovation Centre for Electrical Engineering, Univerzitní 8, Pilsen, Czech Republic; Technical University of Liberec, Department of Machinery Construction, Laboratory of Nanofiber and Nanosurface Preparation, Studentská 1402/2, Liberec, Czech RepublicInstitute of Electrical and Electronics Engineers Inc.enAnnu. Rep. Conf. Electr. Insul. Dielectr. Phenom. CEIDP, 2016)
    A promising technology of nanofibrous composites is studied nowadays as an alternative method to the well-known dielectric nanocomposites filled by various nanofillers like a metallic oxides, alumina, silica, carbon ...
  • In-plane shear behavior of 3D spacer knitted fabrics 
    Arumugam, Veerakumar; Mishra, Rajesh; Militký, Jiří; Tunák, Maroš (SAGE Publications LtdTechnical university of Liberec, Czech RepublicTechnická Univerzita v Liberci, 2016)
    The shear behavior of 3D spacer knitted fabrics was investigated by using a picture frame fixture. Three different methods were used to find the shear angle during loading rate of 10 mm/min. All the tests were recorded by ...

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