Relevant bibliographies by topics / Electrical displacement-field loops

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'Electrical displacement-field loops'

Author: Grafiati
Published: 4 June 2021
Last updated: 8 February 2022

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Journal articles on the topic "Electrical displacement-field loops"

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YAN, HAIXUE, FAWAD INAM, GIUSEPPE VIOLA, et al. "THE CONTRIBUTION OF ELECTRICAL CONDUCTIVITY, DIELECTRIC PERMITTIVITY AND DOMAIN SWITCHING IN FERROELECTRIC HYSTERESIS LOOPS." Journal of Advanced Dielectrics 01, no. 01 (2011): 107–18. http://dx.doi.org/10.1142/s2010135x11000148.

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Triangular voltage waveform was employed to distinguish the contributions of dielectric permittivity, electric conductivity and domain switching in current-electric field curves. At the same time, it is shown how those contributions can affect the shape of the electric displacement — electric field loops (D–E loops). The effects of frequency, temperature and microstructure (point defects, grain size and texture) on the ferroelectric properties of several ferroelectric compositions is reported, including: BaTiO 3; lead zirconate titanate (PZT); lead-free Na 0.5 K 0.5 NbO 3; perovskite-like laye
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Wu, Yun Yi, Xiao Hui Wang, Cai Fu Zhong, and Long Tu Li. "The Electrical Properties of Epitaxial Grown Sc-Doped (Na0.85K0.15)0.5Bi0.5TiO3 Thin Film Prepared by Sol-Gel Method." Key Engineering Materials 697 (July 2016): 235–38. http://dx.doi.org/10.4028/www.scientific.net/kem.697.235.

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Sc-doped (Na0.85K0.15)0.5Bi0.5TiO3 (NKBT-Sc) thin film was deposited on electrical conductive Nb-doped SrTiO3 [100] (Nb:STO) single crystal substrate via an aqueous sol–gel method. Structure analysis by x-ray diffraction and high resolution transmission electron microscopy proves the epitaxial growth relationship between the NKBT-Sc thin film and Nb:STO substrate. Well saturated ferroelectric hysteresis loops with remnant polarization of 26.14 μC/cm2 and typical butterfly shape displacement–voltage loop with effective piezoelectric coefficient d33* of 92 pm/V were observed, which were much hig
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Song, Mu, Xiaoyuan Sun, Qiong Li, Hao Qian, Yunfei Liu, and Yinong Lyu. "Enhanced Electrostrictive Coefficient and Suppressive Hysteresis in Lead-Free Ba(1−x)SrxTiO3 Piezoelectric Ceramics with High Strain." Crystals 11, no. 5 (2021): 555. http://dx.doi.org/10.3390/cryst11050555.

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Lead-free piezoelectric ceramics with both low hysteresis and superior electrostrictive coefficient features are crucial toward providing desired performance for intelligent electrical devices, especially in high-precision displacement actuators. In this work, we propose a novel scenario, which is to design the phase transition around ambient temperature to enhance electrostrictive effect and inhibit hysteresis. In other words, the dense ceramics with cubic phases (C) and tetragonal phases (T) coexisting at RT (room temperature) were designed. According to this scenario, the Ba(1−x)SrxTiO3 (ab
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Ling, S., and A. Dasgupta. "A Nonlinear Multi-Domain Thermomechanical Stress Analysis Method for Surface-Mount Solder Joints—Part II: Viscoplastic Analysis." Journal of Electronic Packaging 119, no. 3 (1997): 177–82. http://dx.doi.org/10.1115/1.2792231.

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This is part II of a two-part paper presented by the authors for thermomechanical stress analysis of surface mount interconnects. A generalized multi-domain Rayleigh Ritz (MDRR) stress analysis technique has been developed to obtain the stress and strain fields in surface-mount solder joints under cyclic thermal loading conditions. The methodology was first proposed in Part I by the authors and results were presented for elastic-plastic loading (Ling et al., 1996). This paper extends the analysis for viscoplastic material properties. The solder joint domain is discretized selectively into colo
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Browne, P. F. "Acceleration in the plasma focus and in astrophysics." Laser and Particle Beams 6, no. 3 (1988): 409–20. http://dx.doi.org/10.1017/s0263034600005358.

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Both, in the laboratory (specifically the plasma focus) and in astrophysics, charges are accelerated in magnetically pinched current channels. The current channels are annular cylinders, defined by an electric double layer of thickness δrE and radius R due to radial polarization of the plasma. The electric field Er in the double layer and the azimuthal magnetic field Bϕ ensure drifts of charges in the axial direction, but ions do not take up the full drift velocity because their Larmor radius exceeds δrE. Magnetic pinching of the channel reduces the cross sectional area S, and an instability o
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Su, Y., and G. J. Weng. "A polycrystal hysteresis model for ferroelectric ceramics." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 462, no. 2069 (2006): 1573–92. http://dx.doi.org/10.1098/rspa.2005.1616.

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Most key elements of ferroelectric properties are defined through the hysteresis loops. For a ferroelectric ceramic, its loop is contributed collectively by its constituent grains, each having its own hysteresis loop when the ceramic polycrystal is under a cyclic electric field. In this paper, we propose a polycrystal hysteresis model so that the hysteresis loop of a ceramic can be calculated from the loops of its constituent grains. In this model a micromechanics-based thermodynamic approach is developed to determine the hysteresis behaviour of the constituent grains, and a self-consistent sc
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Liu, Nan, Zhenming Liu, Xinrui Gong, Xinyuan Huang, and Chunyou Xiong. "Study on Temperature Characteristics of Ceramic Materials for Piezoelectric Actuators and Model Modification." Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University 37, no. 5 (2019): 1011–17. http://dx.doi.org/10.1051/jnwpu/20193751011.

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The performance of piezoelectric actuator ceramics under strong electric field(20 kV/cm) and variable temperature (30~150℃) were tested on a piezoelectric ceramic thermo-electro-mechanical multi-field loading test bench. The variation of hysteresis loop, strain loop, free capacitor and dielectric loss tangent with temperature was analyzed. A mathematical model of displacement characteristics of ceramic materials considering temperature effect is established, and the accuracy of the model is verified. The results show that the hysteresis loops become slender with the increasing of temperature,
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Xia, Xiaodong, Yang Wang, Zheng Zhong, and George J. Weng. "Theory of electric creep and electromechanical coupling with domain evolution for non-poled and fully poled ferroelectric ceramics." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 472, no. 2194 (2016): 20160468. http://dx.doi.org/10.1098/rspa.2016.0468.

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Unlike mechanical creep with inelastic deformation, electric creep with domain evolution is a rarely studied subject. In this paper, we present a theory of electric creep and related electromechanical coupling for both non-poled and fully poled ferroelectric ceramics. We consider electric creep to be a time-dependent process, with an initial condition lying on the D (electric displacement) versus E (electric field) hysteresis loop. Both processes are shown to share the same Gibbs free energy and thermodynamic driving force, but relative to creep, the hysteresis loop is just a field-dependent p
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Meereboer, Niels L., Ivan Terzić, Piet van der Steeg, Giuseppe Portale, and Katja Loos. "Physical pinning and chemical crosslinking-induced relaxor ferroelectric behavior in P(VDF-ter-TrFE-ter-VA) terpolymers." Journal of Materials Chemistry A 7, no. 6 (2019): 2795–803. http://dx.doi.org/10.1039/c8ta11534f.

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Liu, Yongguang, Xiaohui Gao, and Chunxu Chen. "Research of Jiles-Atherton Dynamic Model in Giant Magnetostrictive Actuator." Mathematical Problems in Engineering 2016 (2016): 1–8. http://dx.doi.org/10.1155/2016/2609069.

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Due to the existence of multicoupled nonlinear factors in the giant magnetostrictive actuator (GMA), building precise mathematical model is highly important to study GMA’s characteristics and control strategies. Minor hysteresis loops near the bias magnetic field would be often applied because of its relatively good linearity. Load, friction, and disc spring stiffness seriously affect the output characteristics of the GMA in high frequency. Therefore, the current-displacement dynamic minor loops mathematical model coupling of electric-magnetic-machine is established according to Jiles-Atherton
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Dissertations / Theses on the topic "Electrical displacement-field loops"

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Tseng, Jung-Kai. "Enhanced Dielectric Properties of Multilayer Capacitor Film via Interfacial Polarization." Case Western Reserve University School of Graduate Studies / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=case1449137228.

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Conference papers on the topic "Electrical displacement-field loops"

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Miles, Paul, Adriane Guettler, Yousuff Hussaini, and William S. Oates. "Uncertainty Analysis of Dielectric Elastomer Membranes Under Multi-Axial Loading." In ASME 2015 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/smasis2015-8919.

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A variety of models have been developed to simulate the behavior of electroactive elastomers. As with all modeling applications, there are varying levels of uncertainty associated with measurement limitations and lack of knowledge of the constitutive behavior. Methods of quantifying this uncertainty have been explored previously using Bayesian statistics under uniaxial mechanical loading. The research presented here expands prior developments to quantify constitutive model uncertainty under multi-axial mechanical loading at different electrostatic fields. Specifically, we experimentally charac
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Sundaresan, Vishnu Baba, and Jatulasimha Atulasimha. "Characterization of Magnetoelectric Cantilever for Use as an Ablation Tool in Minimally Invasive Surgery." In ASME 2009 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. ASMEDC, 2009. http://dx.doi.org/10.1115/smasis2009-1350.

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Despite great strides in materials science and control, an automated surgical tool is still in the fiction pages due to the lack of a surgical tool employing a self-sensing actuator. In an attempt to fill this void, we present magnetoelectric materials as a solution for designing surgical tools. This paper discusses our ongoing work to model the dynamics of the magnetoelectric material for use in a control loop. The surgical tool is a two-segment magnetoelectric cantilever in which one of the two magnetoelectric segments is attached to a fixed support called the base. A floating segment called
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Wang, X. J., F. Lu, and J. H. Huang. "Closed-Loop Control of Photovoltage for Photovoltaic-Electrostatic Driven Servo System." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-65628.

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It is experimentally confirmed that the response speed of photo-induced deformation lags far behind the photovoltage and it is difficult to control the magnitude of the photo-induced electric field in PLZT ceramic due to the serious residual photovoltage. The primary purpose of this article is to control the photovoltage of PLZT for a photovoltaic-electrostatic driven servo system proposed in this paper. The control equations of photovoltage for photovoltaic-electrostatic driven servo system are derived based on the mathematical model of PLZT with coupled multi-physics fields. Parameters of ph
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Ramidi, Priyatham Sanjeeva Reddy, Nikolaos I. Xiros, Stavros Lalizas, et al. "System Identification for Control of a Bow Thruster With Brushless Motor and Shaft-Less Propeller." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-88029.

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In this work, a bow thruster is proposed to be used onboard small and medium-size watercraft, like motor yachts, fishing boats, patrol boats, ocean exploration vessels etc. with conventional or unconventional hull designs including displacement hull, planing hull, catamarans, SWATHs, SES, and so on. As oftentimes the case, a magnetic coupling is employed. Specifically, magnetic coupling is used to transfer torque from a brushless motor’s stator to its rotor through a magnetic field rather than a physical mechanical connection. Such magnetic coupling is very convenient for liquid pumps and as,
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