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2015 | 13 | 1 |
Tytuł artykułu

Nonthermal plasma modification of polypropylene fibres for cementitious composites

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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The plasma treatment of polypropylene fibres used as concrete admixtures for improving its mechanical properties is the focus of this research paper. A plasma treatment was conducted in a low-temperature plasma environment at atmospheric pressure in a DCSBD (Diffuse Coplanar Surface Barrier Discharge). The degree of hydrophilicity caused by the plasma treatment was determined by measuring the rate of penetration of water into the porous media, commonly referred to as the Washburn method. The influence of the addition of PP (polypropylene) fibres to the concrete matrix was investigated using a three point bending test which determined the flexural strength of concrete samples. Our experiments demostrate that plasma improves both the wettability of PP fibres and its adhesion to the concrete matrix. The tests of flexural strength show, that even a short plasma treatment (5 s) can have a significant impact on the mechanical properties of fibre-reinforced concrete composite.
EN
Wydawca
Czasopismo
Rocznik
Tom
13
Numer
1
Opis fizyczny
Daty
otrzymano
2014-01-16
zaakceptowano
2014-05-29
online
2014-11-17
Twórcy
  • Department of Physical Electronics, Masaryk University, 61137 Brno, Czech Republic , 323867@mail.muni.cz
  • Department of Physical Electronics, Masaryk University, 61137 Brno, Czech Republic
  • Faculty of Civil Engineering, Brno University of Technology, 66237 Brno,
    Czech Republic
  • Department of Physical Electronics, Masaryk University, 61137 Brno, Czech Republic
  • Department of Physical Electronics, Masaryk University, 61137 Brno, Czech Republic
  • Department of Physical Electronics, Masaryk University, 61137 Brno, Czech Republic
Bibliografia
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  • [14] Morávek T., Msc thesis, Masaryk University, Brno, Czech Republic, 2013
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_1515_chem-2015-0029
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