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Laser-Ultrasonic Characterization of Strongly Anisotropic Materials by Transient Grating Spectroscopy

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    0543930 - ÚT 2022 RIV US eng J - Článek v odborném periodiku
    Stoklasová, Pavla - Grabec, Tomáš - Zoubková, K. - Sedlák, Petr - Krátký, Stanislav - Seiner, Hanuš
    Laser-Ultrasonic Characterization of Strongly Anisotropic Materials by Transient Grating Spectroscopy.
    Experimental Mechanics. Roč. 61, č. 4 (2021), s. 663-676. ISSN 0014-4851. E-ISSN 1741-2765
    Grant CEP: GA ČR(CZ) GA20-12624S; GA MŠk EF16_013/0001794
    Institucionální podpora: RVO:61388998 ; RVO:61389005 ; RVO:68081731
    Klíčová slova: laser-ultrasonics * transient grating spectroscopy * elastic anisotropy * surface acoustic waves
    Obor OECD: Acoustics; Materials engineering (UJF-V); Coating and films (UPT-D)
    Impakt faktor: 2.808, rok: 2020
    Způsob publikování: Omezený přístup
    https://link.springer.com/article/10.1007/s11340-021-00698-6

    Transient grating spectroscopy (TGS) is tested on a set of single crystals with an anisotropy factor up to A = 25. Using a numerical simulation based on a Ritz-Rayleigh approach, we show that strong anisotropy may lead to significant coupling of SAWs with bulk shear waves, which complicates TGS measurements in specific directions. Based on the obtained TGS data, we discuss the possibility of also using the TGS technique for assessing the longitudinal elastic coefficient.
    Trvalý link: http://hdl.handle.net/11104/0321372

     
     
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