Results 21 to 30 of about 824,640 (257)
Tunable high-Q SAW resonator loaded on a changing capacitance [PDF]
Journal of Advanced Dielectrics, 2020 A tunable high-Q surface acoustic wave (SAW) resonator in the form of several parallel-connected interdigital transducers loaded on a varying capacitance on lithium niobate substrates was developed and studied. The working frequency range was 90–2450MHz.
G. Ya. Karapetyan +6 more
doaj +1 more source
Traces of surfactants can severely limit the drag reduction of superhydrophobic surfaces [PDF]
, 2017 Superhydrophobic surfaces (SHSs) have the potential to achieve large drag reduction for internal and external flow applications. However, experiments have shown inconsistent results, with many studies reporting significantly reduced performance. Recently,
Goldstein, Raymond E. +3 more
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Nanocomposite Hydrogels and Extracellular Matrix—Advantages and Associated Risks
Gels, 2023 Hydrogels can be considered as mimics of the extracellular matrix (ECM). Through integrins, the cytoskeleton is connected to the ECM, and cytoskeleton tension depends on ECM stiffness. A number of age-related diseases depend on cellular processes related
Garry Kerch
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Analysis of heat transfer processes for sapphire growth by horizontal directed crystallization method [PDF]
Journal of Advanced Dielectrics, 2020 This research summarizes the analytical and experimental results of heat-transfer processes influence on defects formation during sapphire crystal growth by horizontal directed crystallization method (HDC). The shape of solid-melt interface significantly
Yu. V. Klunnikova +3 more
doaj +1 more source
Measurement of dynamic full-field internal stresses through surface laser Doppler vibrometry [PDF]
, 2007 We present a method for evaluating internal dynamic stresses in a solid vibrating body from measurements of surface motion. The method relies on the same mathematics as boundary element method: A boundary reciprocity integral represents interior motion ...
Holland, Stephen +3 more
core +3 more sources
Interplay of internal stresses, electric stresses and surface diffusion in polymer films
, 2011 We investigate two destabilization mechanisms for elastic polymer films and put them into a general framework: first, instabilities due to in-plane stress and second due to an externally applied electric field normal to the film's free surface.
C. W. Macosko +8 more
core +1 more source
Theory of strains in auxetic materials [PDF]
, 2012 Auxetic materials, or negative-Poisson's-ratio materials, are important technologically and fascinating theoretically. When loaded by external stresses, their internal strains are governed by correlated motion of internal structural degrees of freedom ...
Blumenfeld, Raphael, Edwards, Sam F.
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Internal Stresses in PVD Coated Tool Composites
Archives of Metallurgy and Materials, 2016 The aim of work is the investigation of the internal stresses in PVD coated metal matrix composites (MMC). Sintered MMC substrate is composed of the matrix with the chemical composition corresponding to the high-speed steel, reinforced with the TiC type ...
Śliwa A. +4 more
doaj +1 more source
Surface mechanics design by cavitation peening
The Journal of Engineering, 2015 Although impacts at cavitation bubble collapses cause severe damage in hydraulic machineries, the cavitation impacts can be utilised for surface mechanics design such as introduction of compressive residual stress and/or improvement of fatigue strength ...
Hitoshi Soyama
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The Journal of Engineering, 2015 Laser Shock Peening is a fatigue enhancement treatment using laser energy to induce compressive Residual Stresses (RS) in the outer layers of metallic components.
M. Sticchi +7 more
doaj +1 more source