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In the current research, a small strain multi-scale constitutive model based on self-consistent method is developed to describe the rate- and temperature-dependent behavior of cyclic deformed Sn-0.7Cu solder. A modification is proposed on the traditional elastic plastic self-consistent (EPSC) model to capture the elasto-viscoplastic behavior of Sn-0.7Cu solder. A modified Voce hardening law is proposed...
We demonstrated a passively Q-switched Yb-doped fiber laser that emitted azimuthally polarized pulse with high efficiency and high output power. The polarization discrimination mechanism by utilizing a single lens and a birefringent crystal was developed.
In this paper, resonant frequency expression for equivalent circuit of quartz crystal capacitive sensor in series with a tuning inductor was derived. The expression indicates that cascading inductance can significantly increase the load capacitance sensitivity. Experiments using nominal capacitors in series with a calculated inductance validated the theoretical derivation and showed that the frequency...
In this paper, a novel quartz crystal capacitive sensor, which consists of a uniplanar scattering-field capacitance and a piezoelectric quartz crystal resonator, was proposed for micro displacement detection. The developed sensor can directly convert the displacement between detective object and capacitance disk to resonant frequency output. The test results indicated that the quartz crystal capacitive...
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