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Surface Effects in Solid Mechanics pp 95–104Cite as

Glass Spheres: Functionalization, Surface Modification and Mechanical Properties

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Part of the book series: Advanced Structured Materials ((STRUCTMAT,volume 30))

Abstract

Hydrophobic micro-glass particles were obtained by chemical modification with organosilanes. Particles were treated by peroxymonosulfuric acid to obtain a hydrophilic surface, which was the first step of the modification process. Different silanes were used, each of them with a different functional group, effecting variable degrees of hydrophobicity. The successful chemical modification process was established using Fourier transform infrared spectroscopy (FTIR) and water drop interaction with the modified particles surfaces. The morphology of the modified particles was studied using scanning electron microscope (SEM). The degree of the hydrophobicity was established with static contact angle measurements. The microscopic adhesion and particle contact properties of the comparatively stiff (amorphous) micro-glass beads and the macroscopic powder flow behavior were investigated with ring shear tests and evaluated by constitutive models on physical basis.

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Authors and Affiliations

  1. Mechanical Process Engineering, Department of Process Engineering, Otto-von-Guericke-University of Magdeburg, Magdeburg, Germany

    Zinaida Kutelova, Hendrik Mainka, Katja Mader, Werner Hintz & Jürgen Tomas

Authors
  1. Zinaida Kutelova
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  2. Hendrik Mainka
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  3. Katja Mader
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  4. Werner Hintz
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  5. Jürgen Tomas
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Corresponding author

Correspondence to Zinaida Kutelova .

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Editors and Affiliations

  1. , Lehrstuhl für Technische Mechanik, Otto-von-Guericke-Universität Magdeburg, Universitätsplatz 2, Magdeburg, 39106, Germany

    Holm Altenbach

  2. St. Petersburg State University, Bibliotechnaya sq. 2, St. Petersburg, 198904, Russia

    Nikita F Morozov

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Kutelova, Z., Mainka, H., Mader, K., Hintz, W., Tomas, J. (2013). Glass Spheres: Functionalization, Surface Modification and Mechanical Properties. In: Altenbach, H., Morozov, N. (eds) Surface Effects in Solid Mechanics. Advanced Structured Materials, vol 30. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-35783-1_8

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