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Influence of mechanical activation on mechanical properties of PVDF-nanoparticle composites

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2016
879.pdf (3.870Mb)
Authors
Živojinović, Jelena
Peleš, Adriana
Blagojević, Vladimir A.
Kosanović, Darko
Pavlović, Vladimir B.
Conference object (Published version)
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Abstract
The influence of mechanically activated fillers (ZnO, BaTiO3 and SrTiO3 ultra-fine powders) on mechanical properties of poly(vinylidene) fluoride (PVDF) and oxide nanoparticle composite was investigated using molecular simulations. Mechanical activation leads to the creation of new surfaces and the comminution of the initial powder particles, which affects the crystallization of PVDF matrix. In addition, prolonged mechanical activation leads to agglomeration of nanoparticles into “soft” and “hard” agglomerates of different sizes. All of this has a significant effect on mechanical properties of PVDF-nanoparticle composites. Microstructural changes due to mechanical activation in ZnO, BaTiO3 and SrTiO3 powders were investigated using SEM and XRD, while dependence of mechanical properties on nanoparticle size was investigated using molecular simulation. These show that smaller nanoparticles significantly enhance the mechanical properties of PVDF-nanoparticle composite and allow use of mec...hanical activation as a means of reducing the amount of nanoparticle filler in the composite, while achieving the same of superior mechanical properties.

Keywords:
mechanical activation / mechanical properties / poly(vinylidene) fluoride / nanoparticles / composite materials
Source:
Advanced Ceramics and Application : new frontiers in multifunctional material science and processing : program and the book of abstracts : V Serbian Ceramic Society Conference, Sep 21-23 September 2016, Belgrade, 2016, 63-64
Publisher:
  • Belgrade : Serbian Ceramic Society
Funding / projects:
  • Directed synthesis, structure and properties of multifunctional materials (RS-172057)
Note:
  • Conference poster: https://hdl.handle.net/21.15107/rcub_dais_861
Related info:
  • Referenced by
    https://hdl.handle.net/21.15107/rcub_dais_861

ISBN: 978-86-915627-4-8

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_dais_882
URI
https://dais.sanu.ac.rs/123456789/882
Collections
  • ИТН САНУ - Општа колекција / ITS SASA - General collection
Institution/Community
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - CONF
AU  - Živojinović, Jelena
AU  - Peleš, Adriana
AU  - Blagojević, Vladimir A.
AU  - Kosanović, Darko
AU  - Pavlović, Vladimir B.
PY  - 2016
UR  - https://dais.sanu.ac.rs/123456789/882
AB  - The influence of mechanically activated fillers (ZnO, BaTiO3 and SrTiO3 ultra-fine powders) on mechanical properties of poly(vinylidene) fluoride (PVDF) and oxide nanoparticle composite was investigated using molecular simulations. Mechanical activation leads to the creation of new surfaces and the comminution of the initial powder particles, which affects the crystallization of PVDF matrix. In addition, prolonged mechanical activation leads to agglomeration of nanoparticles into “soft” and “hard” agglomerates of different sizes. All of this has a significant effect on mechanical properties of PVDF-nanoparticle composites. Microstructural changes due to mechanical activation in ZnO, BaTiO3 and SrTiO3 powders were investigated using SEM and XRD, while dependence of mechanical properties on nanoparticle size was investigated using molecular simulation. These show that smaller nanoparticles significantly enhance the mechanical properties of PVDF-nanoparticle composite and allow use of mechanical activation as a means of reducing the amount of nanoparticle filler in the composite, while achieving the same of superior mechanical properties.
PB  - Belgrade : Serbian Ceramic Society
C3  - Advanced Ceramics and Application : new frontiers in multifunctional material science and processing : program and the book of abstracts : V Serbian Ceramic Society Conference, Sep 21-23 September 2016, Belgrade
T1  - Influence of mechanical activation on mechanical properties of PVDF-nanoparticle composites
SP  - 63
EP  - 64
UR  - https://hdl.handle.net/21.15107/rcub_dais_882
ER  - 
@conference{
author = "Živojinović, Jelena and Peleš, Adriana and Blagojević, Vladimir A. and Kosanović, Darko and Pavlović, Vladimir B.",
year = "2016",
abstract = "The influence of mechanically activated fillers (ZnO, BaTiO3 and SrTiO3 ultra-fine powders) on mechanical properties of poly(vinylidene) fluoride (PVDF) and oxide nanoparticle composite was investigated using molecular simulations. Mechanical activation leads to the creation of new surfaces and the comminution of the initial powder particles, which affects the crystallization of PVDF matrix. In addition, prolonged mechanical activation leads to agglomeration of nanoparticles into “soft” and “hard” agglomerates of different sizes. All of this has a significant effect on mechanical properties of PVDF-nanoparticle composites. Microstructural changes due to mechanical activation in ZnO, BaTiO3 and SrTiO3 powders were investigated using SEM and XRD, while dependence of mechanical properties on nanoparticle size was investigated using molecular simulation. These show that smaller nanoparticles significantly enhance the mechanical properties of PVDF-nanoparticle composite and allow use of mechanical activation as a means of reducing the amount of nanoparticle filler in the composite, while achieving the same of superior mechanical properties.",
publisher = "Belgrade : Serbian Ceramic Society",
journal = "Advanced Ceramics and Application : new frontiers in multifunctional material science and processing : program and the book of abstracts : V Serbian Ceramic Society Conference, Sep 21-23 September 2016, Belgrade",
title = "Influence of mechanical activation on mechanical properties of PVDF-nanoparticle composites",
pages = "63-64",
url = "https://hdl.handle.net/21.15107/rcub_dais_882"
}
Živojinović, J., Peleš, A., Blagojević, V. A., Kosanović, D.,& Pavlović, V. B.. (2016). Influence of mechanical activation on mechanical properties of PVDF-nanoparticle composites. in Advanced Ceramics and Application : new frontiers in multifunctional material science and processing : program and the book of abstracts : V Serbian Ceramic Society Conference, Sep 21-23 September 2016, Belgrade
Belgrade : Serbian Ceramic Society., 63-64.
https://hdl.handle.net/21.15107/rcub_dais_882
Živojinović J, Peleš A, Blagojević VA, Kosanović D, Pavlović VB. Influence of mechanical activation on mechanical properties of PVDF-nanoparticle composites. in Advanced Ceramics and Application : new frontiers in multifunctional material science and processing : program and the book of abstracts : V Serbian Ceramic Society Conference, Sep 21-23 September 2016, Belgrade. 2016;:63-64.
https://hdl.handle.net/21.15107/rcub_dais_882 .
Živojinović, Jelena, Peleš, Adriana, Blagojević, Vladimir A., Kosanović, Darko, Pavlović, Vladimir B., "Influence of mechanical activation on mechanical properties of PVDF-nanoparticle composites" in Advanced Ceramics and Application : new frontiers in multifunctional material science and processing : program and the book of abstracts : V Serbian Ceramic Society Conference, Sep 21-23 September 2016, Belgrade (2016):63-64,
https://hdl.handle.net/21.15107/rcub_dais_882 .

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