Mechanical Properties of Nanotextiles Determined with Digital Image Correlation

Jiří Němeček; Ivan Jandejsek

doi:10.4028/www.scientific.net/KEM.606.201

Paper Titles

Influence of Preheating Temperature on the Quality of the Interface between Plasma Sprayed Coatings and Substrate
p.183

Evaluation of Failure Micromechanisms of Advanced Thermal Spray Coatings by In Situ Experiment
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Nanohardness of CrN Coatings versus Deposition Parameters
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Influence of the Microstructure on Macro/Micro versus Nanohardness of SiC Ceramics
p.197

Mechanical Properties of Nanotextiles Determined with Digital Image Correlation
p.201

Spark Plasma Sintering of Multilayer Ceramics – Case Study of Al₂O₃-Mg(Ca)TiO₃ Sandwich
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Influence of the Interface and Residual Stresses on the Apparent Fracture Toughness of Layered Ceramic Composites Based on Alumina-Zirconia
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Determination of Local Mechanical Properties of Si₃N₄ Based Foams
p.213

Hardness and Micro-Indentation Hardness Comparison of Recycled Modified HDPE
p.217

HomeKey Engineering MaterialsKey Engineering Materials Vol. 606Mechanical Properties of Nanotextiles Determined...

Mechanical Properties of Nanotextiles Determined with Digital Image Correlation

Abstract:

The paper is devoted to the assessment of mechanical properties of nanotextiles prepared from polyvinylalcohol by electrospinning. The nanotextile is composed of a multi-layered net of cross-linked fibers with individual diameters of approx. 200-500 nm. Strips of the textiles were tested in a standard electromechanical testing device by uniaxial tension. Precise local strain measurement was provided by the digital image correlation method. The overall nanotextile Young's modulus was found to be 277±9 MPa (for strains <1%) and exhibited small variations as well as ultimate strength (10.3±0.9 MPa at ~13% strain). The deformation mechanism includes alignment and stretching of the fibers in longitudinal (load) direction (initial linear part), yielding with transversal textile smoothing and textile rupture (at strains ~13%). The progress of apparent Poisson's ratio (5.5-0.52) was also monitored with the digital image correlation.

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Periodical:

Key Engineering Materials (Volume 606)

Pages:

201-204

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.606.201

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Online since:

March 2014

Authors:

Jiří Němeček*, Ivan Jandejsek

Keywords:

Digital Image Correlation (DIC), Nanofiber, Nanotextile, Poly(vinyl alcohol)

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