The aim of this article is to study the feasibility of using the ultrasonic longitudinal sound
wave in the definition of the fibre content and distribution in natural fibre composites. A flax …

Purpose: The aim of the present study was to assess the limits and compare abilities of the
pulse-echo and through-transmission ultrasonics to evaluate a chosen property of …

Purpose: of this work was to prepare polymeric composite materials with different contents of
graphite and to search the influence of graphite on electrical properties of these materials …

This work investigates the application of ultrasonic testing UT in evaluating natural fibre
thermoplastic composites NFTC. The characterisation of sound propagation speed in the …

A new method for the automatic and simultaneous measurement of phase velocity and
thickness for thin composite plates was developed based on Ping He׳ s method, without any …

In dieser Arbeit werden Ultraschallsensoren, Messverfahren und Auswertemethoden
entwickelt, die die relevanten Bauteileigenschaften während der Imprägnierung und …

The impact of nanoparticles of titanium (rutile) and silica–titanium fumed oxide (STO) on
both the acoustic properties and thermal decomposition of a styrene‐crosslinked …

Purpose: The aim of this paper was to compare application possibilities of non-destructive
ultrasonic and thermographic testing methods to detect defects in polymeric materials. In …

Purpose: Primary purpose of the present experimental study was to evaluate the local fibre
content in carbon fibre/epoxy composites using transient thermography …

Purpose: Light microscope with polarized light has been used for observation layered zone,
visible thanks to polarization of the light, inside polymer-polymer composites and …