Microbubbles trigger oscillation of crystal size in solids

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Title
Microbubbles trigger oscillation of crystal size in solids
Author(s)
Anna Kollath; Nadzeya Brezhneva; Ekaterina V. Skorb; Daria V. Andreeva
Publication Date
2017-02
Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS, v.19, no.8, pp.6286 - 6291
Publisher
ROYAL SOC CHEMISTRY
Abstract
An understanding of the nature and conditions of nonlinear processes in open systems is important for modulation of the microstructure of solids at a new level of complexity. We demonstrate that cavitation generated by high intensity ultrasound (HIUS) triggers nonlinear processes in microparticles and layers of titanium. We reveal a non-monotonic dependence of the size of grains in the treated solids on sonication time, and oscillation of titanium grain sizes vs. time of ultrasonic treatment, indicating the influence of two opposing forces: cavitation driven impact of shock heating and shear stress on surfaces. These nonlinear self-organization processes in solids promise new microstructured materials with applications among others in bio- and geosciences. © the Owner Societies 2017
URI
https://pr.ibs.re.kr/handle/8788114/3469
ISSN
1463-9076
Appears in Collections:
Center for Soft and Living Matter(첨단연성물질 연구단) > Journal Papers (저널논문)
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