Manufacturing Technology 2021, 21(6):749-756 | DOI: 10.21062/mft.2021.099

Analysis of Homogeneity and Young’s Moduli of Rubber Compounds by Atomic Force Microscopy

Dana Bako¹ová ORCID..., Al¾beta Bako¹ová ORCID...
Faculty of Industrial Technologies in Púchov, Alexander Dubèek University of Trenèín. I. Krasku 491/30, 020 01 Púchov. Slovakia

The atomic force microscopy is method used to obtain surface properties of various materials, includ-ing surface morphology, local magnetization, conductivity and mechanical properties. In this work the atomic force microscope was used to investigate properties of rubber compounds. Three samples made of different rubber compounds that varied in filler content were studied in order to determinate their homogeneity and ratios of their Young’s moduli. Images of their surface topography were ob-tained and then on each sample five places were chosen where spectroscopic curves representing force – distance dependence were scanned. Parts of these curves from which Young’s modulus can be determined were approximated by linear functions and their slope was calculated. Slope values close to each other suggest similar values of Young’s modulus. By their comparison it was determined whether even distribution of ingredients in rubber compound can be assumed and thus the blending process to produce these compounds can be considered sufficient.

Keywords: Rubber compound, Atomic force microscopy, Spectroscopic curve, Sneddon’s model, Young’s modulus
Grants and funding:

This research work has been supported by the Operational Programme Integrated Infrastructure, co-financed by the European Regional Development Fund by the project: Advancement and support of R&D for "Centre for diagnostics and quality testing of materials" in the domains of the RIS3 SK specialization, Acronym: CEDITEK II., ITMS2014+ code 313011W442.   This research work has been supported also by the Slovak Grant Agency KEGA 011TnUAD-4/2021.

Received: June 28, 2021; Revised: November 28, 2021; Accepted: December 31, 2021; Prepublished online: December 31, 2021; Published: January 8, 2022  Show citation

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Bako¹ová D, Bako¹ová A. Analysis of Homogeneity and Young’s Moduli of Rubber Compounds by Atomic Force Microscopy. Manufacturing Technology. 2021;21(6):749-756. doi: 10.21062/mft.2021.099.
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