Browsing by Author "Maca, Karel"

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Browsing by Author "Maca, Karel"

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  • Erhart,Jiří; Bijalwan, Vijay; Maca, Karel; Solař, Filip (TAYLOR & FRANCIS LTD, 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND, 2020-02)
    Method of loss coefficients calculation from mechanical quality factors of transversal vibration modes is presented. Theoretical formulae are derived for the contour mode of thin square plate and width extensional mode of ...
  • Bijalwan, Vijay; Tofel, Pavel; Spotz, Zdeněk; Částková, Klára; Sobola, Dinara; Erhart, Jiří; Maca, Karel (WILEY, 111 RIVER ST, HOBOKEN 07030-5774, NJ USA, 2020-03)
    We report a large piezoelectric constant (d(33)), 720 pC/N and converse piezoelectric constant (d(33)*), 2215 pm/V for 0.55(Ba0.9Ca0.1)TiO3-0.45Ba(Sn0.2Ti0.8)O-3 ceramics; the biggest value achieved for lead-free piezoceramics ...